Siemens Simatic S7-300 Installation And Operating Manual Download Page 136

Page: 136 / 356

Digital modules

8.5 SM 326; DO 8 x DC 24V/2A PM

Fail-safe signal modules

136

Installation and Operating Manual, 01/2010, A5E00085586-10

Diagnostic

message

Error detection

Possible causes of the

problem

Corrective measures

Internal supply

voltage of the

module failed

General

Internal fault at supply voltage

1L+

Replace the module

Module parameters

not assigned

General

No parameters transferred to

module

Assign new module

parameters

Load voltage 2L+, 3L not

connected

Connect 2L+ and 3L+

External fault at load voltage

2L+, 3L+

Replace the module

Defective load

voltage or load

voltage not

connected

General

Short-circuit between P and M Eliminate the short-

circuit

Incorrect module

parameters

General

Wrong module

Check the module;

replace; assign new

parameters

Overload due to diagnostics

request (SFCs)

Reduce the number of

diagnostics requests

Electromagnetic interference

has exceeded limits

Eliminate the

interference

Time monitoring

activated

(watchdog)

General

Defective module

Replace the module

Error in communication

between the CPU and the

module, for example, due to

defective PROFIBUS

connection or electromagnetic

interference in excess of limits

Check the PROFIBUS

connection
Eliminate the

interference

Timeout of data frame

monitoring

Check the monitoring

time parameters

CRC signature error, for

example, due to

electromagnetic interference

in excess of limits.

Eliminate the

interference

Communication

error

General

CPU is in STOP

Read the diagnostics

buffer

Electromagnetic interference

has exceeded limits

Eliminate the

interference and cycle

power off/on

EPROM error
RAM error

General

Defective module

Replace the module

Internal error in

read / test

sequence

General

Defective module

Replace the module

Electromagnetic interference

has exceeded limits

Eliminate the

interference

Defective module

Replace the module

Processor failure

General

Switching rate exceeded

Reduce switching rate

Summary of Contents for Simatic S7-300

Page 1: ...ult reaction and diagnostics 6 General technical data 7 Digital modules 8 Analog modules 9 Safety protector 10 Diagnostics data of the signal modules A Dimensional drawings B Accessories and order numbers C Response times D Switching capacitive and inductive loads E The following supplement is part of this documentation No Product Information Drawing number Edition 1 Product Information to the man...

Page 2: ...ific task in particular its warning notices and safety instructions Qualified personnel are those who based on their training and experience are capable of identifying risks and avoiding potential hazards when working with these products systems Proper use of Siemens products Note the following WARNING Siemens products may only be used for the applications described in the catalog and in the relev...

Page 3: ...n Safety protector 6ES7195 7KF00 0XA0 03 Bus module for safety protector 6ES7195 7HG00 0XA0 01 SM 326 DI 24 x DC 24 V 6ES7326 1BK02 0AB0 01 SM 326 DI 8 x NAMUR 6ES7326 1RF00 0AB0 05 SM 326 DO 8 x DC 24V 2A PM 6ES7326 2BF41 0AB0 01 SM 326 DO 10 x DC 24V 2A 6ES7326 2BF01 0AB0 01 SM 326 F DO 10 x DC 24V 2A PP 6ES7326 2BF10 0AB0 01 SM 336 AI 6 x 13Bit 6ES7336 1HE00 0AB0 04 SM 336 F AI 6 x 0 4 20 mA HA...

Page 4: ...lable for S7 300 The S7 300 fail safe signal modules have also been certified for use in safety mode to SIL3 Safety Integrity Level in accordance with IEC 61508 Category 4 according to EN 954 1 PL Performance Level e according to ISO 13849 2006 CE certifications See chapter Standards and Approvals Page 59 C Tick Mark for Australia See chapter Standards and Approvals Page 59 Standards See chapter S...

Page 5: ...the configuration of SIMATIC S7 Ex digital modules Manual Automation Systems Principles of Explosion Protection Describes the basic principles of explosion protection Safety Engineering in SIMATIC S7 system description Provides an overview of the use configuration and functionality of S7 Distributed Safety and S7 F FH fail safe automation systems Contains a summary of detailed technical informatio...

Page 6: ...licable F CPU has its own Product Information The Product Information describes only the deviations from the corresponding standard CPUs STEP 7 manuals The Configuring Hardware and Communication Connections with STEP 7 V5 x manual describes the operation of the relevant standard tools of STEP 7 The System and Standard Functions reference manual describes functionality for access to diagnostics of ...

Page 7: ...partner A guide to the technical documentation for the various SIMATIC products and systems is available on the Web http www siemens de simatic tech doku portal You will find the online catalog and online ordering system on the Web http mall automation siemens com Training Centers We offer courses to help you get started with the SIMATIC S7 automation system Contact your regional training center o...

Page 8: ...ortant information concerning the safe operation of your plant Note Plants with safety oriented characteristics are subject to special requirements for operational safety for which the operator is responsible The supplier also undertakes to conform to special measures for product monitoring Siemens publishes a special newsletter to keep plant operators informed about product developments and prope...

Page 9: ...installation 31 4 1 Address Assignments in the CPU 31 4 2 Addressing the Channels 33 4 3 Assigning the PROFIsafe address 34 4 3 1 Introduction 34 4 3 2 Assigning PROFIsafe Address Starting Address of F SM 35 4 3 3 Assigning PROFIsafe Address F_destination_address 38 4 4 Installing 41 5 Wiring 43 5 1 Safe Functional Extra Low Voltage for Fail Safe Signal Modules 44 5 2 Wiring Fail Safe Signal Modul...

Page 10: ...V 102 8 4 SM 326 DI 8 x NAMUR 105 8 4 1 Properties front view wiring diagram and block diagram 105 8 4 2 Special Features when Wiring SM 326 DI 8 x NAMUR for Hazardous Areas 109 8 4 3 Cases of application of SM 326 DI x 8 NAMUR 113 8 4 4 Application 1 standard mode and application 3 safety mode SIL 2 Category 3 114 8 4 5 Application 2 standard mode with high availability and application 4 safety m...

Page 11: ...andard mode with high availability 195 9 2 6 Application 3 Safety mode SIL2 Cat 3 PLd 199 9 2 7 Application 4 Safety mode SIL2 Cat 3 PLd with high availability in S7 F FH Systems only 202 9 2 8 Application 5 Safety mode SIL3 Cat 4 PLe 206 9 2 9 Application 6 Safety mode SIL3 Cat 4 PLe with high availability in S7 F FH Systems only 210 9 2 10 Diagnostic Messages for SM 336 AI 6 x 13 Bit 215 9 2 11 ...

Page 12: ...7 1 Overview of the data record interface and user data of the HART communication 287 9 3 17 2 Diagnostic data records 288 9 3 17 3 HART communication records 289 9 3 17 4 Parameter records of the HART channels 294 9 3 17 5 User data interface input range reading 295 10 Safety protector 297 10 1 Introduction 297 10 2 Properties Front View and Block Diagram 297 10 3 Configuration Variants 299 10 4 ...

Page 13: ...hich are subject to more stringent safety standards F systems are used to control processes and to force the plant into a safe state after shutdown That is F systems control processes which do not pose a risk to human beings or to the environment when shut down immediately Fail safe signal modules Compared to standard modules of the S7 300 module family the fail safe signal modules differ in terms...

Page 14: ... the interface modules which support operation with fail safe signal modules Table 1 2 Supported interface modules Interface module Order number IM 153 2 6ES7153 2AA02 and higher as of product version 05 firmware V1 1 0 IM 153 2 FO 6ES7153 2AB01 and higher as of product version 04 firmware V1 1 0 IM 153 2 IM 153 2 FO 6ES7153 2BA0 2BB0 The SM 336 F AI 6 x 0 4 20 mA HART can be operated with the fol...

Page 15: ...in S7 300 ET 200M and ET 200S 6 ZLWK 38 7 0 7 6 352 86 3 352 1 7 2 DLO VDIH 6LJQDO PRGXOHV DLO VDIH 6LJQDO PRGXOHV DLO VDIH 0RGXOHV Figure 1 1 Fail safe S7 Distributed Safety automation system Operation in standard mode Except for the SM 326 DO 8 x DC 24V 2A PM the SM 326 F DO 10 x DC 24V 2A PP and the SM 336 F AI 6 x 0 4 20 mA HART you can operate all other fail safe signal modules in standard mo...

Page 16: ... S7 F Systems and by specific arrangement and wiring of the sensors and actuators Table 1 4 Safety Integrity Levels that can be achieved in safety mode Safety Integrity Level in safety mode According to IEC 61508 According to EN 954 1 According to ISO 13849 2006 SIL 2 Category 3 PL Performance Level d SIL 3 Category 4 PL Performance Level e Valid only if Keep last valid value was not set with para...

Page 17: ...F SMs Step Procedure See 1 Selecting the F SMs to be installed Product catalog chapterDigital modules chapter Analog module 2 Setup of the mode of operation standard or safety mode configuration and parameterization of the F SM Chapter Configuring and parameter assignment chapter Addressing and installing 3 Installing F SMs Chapter Addressing and installing 4 Wiring the F SMs Chapter Wiring 5 Comm...

Page 18: ...ed within the engineering phase The quantity framework is extended in accordance with the options offered on PROFINET IO Parameter limits are not exceeded during configuration The transmission rate is 100 Mbps The configuration interface for users is generally the same as that on PROFIBUS DP the system is configured with HW Config Additional information on PROFINET IO is available in the PROFINET ...

Page 19: ...standard mode Components which can be used for F SMs in safety mode Options of combining F SMs and standard modules in the same configuration Central and distributed configuration All fail safe signal modules support operation in standard and safety mode in a central S7 300 system and in a distributed system with ET 200M distributed I O devices Note To use the HART function of the SM 336 F AI 6 x ...

Page 20: ...mplemented in a central configuration when operating the fail safe signal modules in standard mode Approved IM 153 in ET 200M distributed configuration All IM 153 2 2 FO interfaces of the ET 200M distributed I O device can be used when operating the fail safe signal modules in standard mode Combinations of fail safe and standard modules supported for operation in standard mode S7 300 ET 200M suppo...

Page 21: ...dules of the ET 200M distributed I O device support operation of the fail safe signal modules in standard mode Additional information on the supported IMs is available in the chapter Preface Page 3 Combinations of fail safe and standard modules supported for operation in safety mode WARNING The applicable precautions against accidental contact for standard components are sufficient for application...

Page 22: ...s are integrated centrally in an S7 300 if the PROFIBUS DP is wired using a copper cable If PROFIBUS DP is installed with fiber optic cables and if standard and fail safe signal modules must be operated on the same ET 200M Configuration variants depending on availability Table 2 1 Configuration variants of fail safe systems based on availability In system Configuration variant Description Availabi...

Page 23: ...ormation about the safety protector refer to chapter Safety protector For detailed information on S7 300 configuration variants refer to the S7 300 CPU 31xC and CPU 31x Installation manual For detailed information on the configuration of ET 200M refer to the ET 200M Distributed I O Device manual For detailed information on using the fail safe signal modules as redundant I O in S7 FH systems refer ...

Page 24: ...Configuration options 2 3 Configuration with F SMs in Safety Mode Fail safe signal modules 24 Installation and Operating Manual 01 2010 A5E00085586 10 ...

Page 25: ... higher For use in conjunction with S7 F Systems and with the HART function S7 F Systems V6 0 with S7 F Systems Lib V1_3 STEP 7 V5 4 SP3 HF3 or higher and CFC V6 0 SP2 HF3 or higher SIMATIC PDM V6 0 SP3 HF1 or higher SIMATIC PDM Devices V6 0 SP5 EDD for ET 200M V1 1 9 or higher PCS 7 V7 0 SP1 or higher HF including PCS 7 Library V7 0 SP2 HF1 or higher For use in conjunction with S7 F Systems and w...

Page 26: ... SM 336 F AI 6 x 0 4 20 mA HART Requirements STEP 7 V5 3 and higher or STEP 7 V5 2 or higher plus optional software package S7 H Systems V5 2 or higher In safety mode you can operate the F SMs redundantly in S7 F FH Systems F systems with the exception of SM 326 DO 8 x DC 24V 2A PM Requirements STEP 7 V5 3 and higher or STEP 7 V5 2 or higher plus optional software package S7 H Systems V5 2 or high...

Page 27: ...eters you download from the programming device to the F CPU are saved to CPU memory and are then transferred by the F CPU to the fail safe signal module Note SFC 56 WR_DPARM changing module parameters in the user program is not permitted for fail safe signal modules Parameter description For information on the assignable parameters of fail safe modules refer to the chapters dealing with digital an...

Page 28: ...ttp support automation siemens com WW view en 25536344 133100 Requirements WARNING Check of the firmware version for F validity When using a new firmware version you must check whether the utilized firmware version is authorized for use in the respective module The Appendix of the Certificate indicates which firmware version is authorized Note Make sure that the external auxiliary voltage of the m...

Page 29: ...module has entered the time out error as an outgoing error Then you can perform the firmware update again Note If the SF on the module flashes at 2 Hz it signals that a firmware update error has occurred Perform one of the following actions Switch the power supply of the F CPU IM OFF ON Remove and insert the module Switch the external auxiliary voltage of the module OFF ON Repeat the firmware upda...

Page 30: ...oot a system Check the system configuration Locate changes to the hardware of a system Reading and writing the I M data with STEP 7 System dependent information HID is configured in the object properties dialog for the module You obtain information on the module I data from the module status dialog The system dependent information HID on the module is displayed here too Note Note that when you ope...

Page 31: ...4 x 0 to x 4 SM 326 DO 10 x DC 24V 2A x 0 to x 5 x 0 to x 7 SM 326 F DO 10 x DC 24V 2A PP x 0 to x 5 x 0 to x 7 SM 336 AI 6 x 13Bit x 0 to x 15 x 0 to x 3 SM 336 F AI 6 x 0 4 20 mA HART x 0 to x 15 x 0 to x 3 x module start address Address assignment of user data Of the assigned addresses in standard and safety mode of the F SMs the user data occupy the following addresses in the CPU F CPU Table 4...

Page 32: ...Bit x 0 x 1 Channel 0 x 2 x 3 Channel 1 x 4 x 5 Channel 2 x 6 x 7 Channel 3 x 8 x 9 Channel 4 x 10 x 11 Channel 5 SM 336 F AI 6 x 0 4 20 mA HART x 0 x 1 Channel 0 x 2 x 3 Channel 1 x 4 x 5 Channel 2 x 6 x 7 Channel 3 x 8 x 9 Channel 4 x 10 x 11 Channel 5 x module start address WARNING You may only access the addresses occupied by the user data both in the standard user program and the safety progr...

Page 33: ...d outside the process image depending on the CPU used For the SM 326 DI 24 x DC 24 V order no 6ES7326 1BK00 0AB0 SM 326 DI 8 x NAMUR SM 326 DO 10 x DC 24V 2A and SM 336 AI 6 x 13 Bit also applies 8 to 8184 in increments of 8 Address space allowed for use in safety mode Address space allowed for the byte address S7 Distributed Safety within the area of the process image depending on the F CPU used ...

Page 34: ...ual 4 3 Assigning the PROFIsafe address 4 3 1 Introduction PROFIsafe address Each fail safe signal module is assigned a unique PROFIsafe address Configure the PROFIsafe address for safety mode using HW Config and the selection switch on the module Overview Assigning the PROFIsafe address You have two options of assigning the PROFIsafe address to the F SMs for operation in safety mode depending on ...

Page 35: ... address You set the module start address similar to S7 300 standard I O modules in the object properties of the module using STEP 7HW Config for information on the permitted address space refer to the Channel addressing chapter Setting safety mode Set Safety mode in the object properties of the module in HW Config Address switch The 10 bit DIP switch for addressing is installed in the rear panel ...

Page 36: ...GUHVV Figure 4 2 Example for calculation of the start address Note An address switch of the smallest possible dimensions is installed for reasons of space saving This makes it sensitive to pressure and objects with sharp edges Always use a suitable tool to manipulate the address switch A variety of tools suitable for activating the address switch are available on the market for example the Grayhil...

Page 37: ... 200S ET 200eco and ET 200pro F modules you can assign a maximum of 1022 different PROFIsafe destination addresses Exception The F I O in different I slaves may be assigned the same PROFIsafe destination address as they are only addressed within the station that is by the F CPU in the I slave The networked nodes of an Ethernet subnet are characterized by having IP addresses with the same subnet ad...

Page 38: ...DC 24V 2A PM SM 326 F DO 10 x DC 24V 2A PP and SM 336 F AI 6 x 0 4 20 mA HART operate in safety mode only This module is set up permanently for operation in safety mode Assigning PROFIsafe addresses The PROFIsafe addresses F_source_address F_destination_address are assigned automatically to the two F SMs mentioned earlier when you configure these modules in STEP 7 The F_destination_addresses of th...

Page 39: ...ngs 21 DPSOH GGUHVV Figure 4 4 Example for calculation of the F_destination_address Note An address switch of the smallest possible dimensions is installed for reasons of space saving This makes it sensitive to pressure and objects with sharp edges Always use a suitable tool to manipulate the address switch A variety of tools suitable for activating the address switch are available on the market f...

Page 40: ...and ET 200pro F modules you can assign a maximum of 1022 different PROFIsafe destination addresses Exception The F I O in different I slaves may be assigned the same PROFIsafe destination address as they are only addressed within the station that is by the F CPU in the I slave The networked nodes of an Ethernet subnet are characterized by having IP addresses with the same subnet address which mean...

Page 41: ...nal modules are installed in an S7 300 or ET 200M similar to any other S7 300 signal module For further information refer to the S7 300 CPU 31xC and CPU 31x Installation installation manual or to the ET 200M Distributed I O Device manual Redundant configuration of ET 200M Note All redundant systems with integrated ET 200M must be installed in a control cabinet which provides adequate attenuation f...

Page 42: ...Addressing and installation 4 4 Installing Fail safe signal modules 42 Installation and Operating Manual 01 2010 A5E00085586 10 ...

Page 43: ...ified in this manual ensure against functional impairment even without more precise examination of the boundary conditions However you must comply with the specifications in the documentation If the boundary conditions such as EMC cable type cable routing etc are examined more precisely longer cables can be used for all F SMs In this chapter This chapter contains information about Operation of F S...

Page 44: ...anufacturer for information You should also note that the sensors and actuators connected to the I O modules may be connected to an auxiliary power supply Make sure that such auxiliary power supplies conform to PELV requirements The process signal of a 24 V digital module may not develop a fault voltage in excess of Vm WARNING All power sources such as the internal and external 24 V DC load voltag...

Page 45: ...0 400 installation technology 5 2 Wiring Fail Safe Signal Modules Wiring similar to standard signal modules The fail safe signal modules belong to the S7 300 module family and are wired similar to any standard signal module in the S7 300 or ET 200M system For further information on the wiring of fail safe signal modules refer to the S7 300 CPU 31xC and CPU 31x Installation Operating Instructions T...

Page 46: ...ing F SMs in safety mode Fail safe signal modules can be inserted and removed at the S7 300 and ET 200M similar to any standard signal module An ET 200M configuration with active bus modules supports hot swapping of the F SMs A special bus module is required to interconnect a safety protector with the backplane bus order no see chapter Accessories and Order Numbers Page 319 Any module replacement ...

Page 47: ...tation using sensors and actuators poses considerable safety responsibility Note that sensors and actuators generally do not withstand a proof test interval of 10 years to IEC 61508 standard without considerable safety degradation A safety function must comply in terms of the probability and rate of hazardous faults with limits determined by the safety integrity level SIL The values achieved by th...

Page 48: ...the pulses Requirements for the duration of sensor signals for the SM 326 DI 24 x DC 24V WARNING In order to guarantee accurate detection of sensor signals by the SM 326 DI 24 x DC 24V you must ensure that the sensor signals have a defined minimum duration Reliable detection with the SM 326 DI 24 x DC 24V The minimum duration of sensor signals required for reliable detection by the SM 326 DI 24 x ...

Page 49: ...icient lag 1 ms WARNING The outputs of a fail safe output module must be electrically isolated to EN 50178 from components which carry higher voltages if the actuators are operated at voltages higher than 24 V DC for example at 230 V DC or are being used to switch higher voltages Relays and contactors usually comply with this rule This aspect is of particular importance when using semiconductor sw...

Page 50: ...Wiring 5 4 Sensor and Actuator Requirements for F SMs in Safety Mode Fail safe signal modules 50 Installation and Operating Manual 01 2010 A5E00085586 10 ...

Page 51: ...output by the fail safe modules to the process for example when the CPU goes into STOP or when a CP operated as DP master goes into STOP an IM 153 2 2 FO ET 200M goes into STOP PROFIBUS DP is interrupted Interruption of PROFINET IO Output of fail safe values at the output modules Fail safe digital output modules operated in standard mode support the fail safe values 0 1 or hold last value You assi...

Page 52: ...ies for the F SM in HW Config do not forget to enable group diagnostics for each channel for the response to channel errors refer to the corresponding chapters Digital modulesand Analog module SM 326 DI 8 x NAMUR SM 326 DO 10 x DC 24V 2A SM 336 AI 6 x 13Bit Output of fail safe values for fail safe signal modules When fail safe input modules are passivated the F System returns fail safe values inst...

Page 53: ... com WW view en 13711209 134200 Only compliant with NFPA72 EN54 2 4 Reintegration of fail safe signal modules The changeover from fail safe values to process values reintegration of an F SM is executed either automatically or in the safety program after user acknowledgment After a reintegration For a fail safe input module the process values pending at the fail safe inputs are made available to th...

Page 54: ...s at unused input or output channels of the F SMs listed below SM 326 DI 8 x NAMUR SM 326 DO 10 x DC 24V 2A SM 336 AI 6 x 13 Bit WARNING Group diagnostics must be enabled at all connected channels of fail safe input and output modules which operate in safety mode Verify that group diagnostics is only disabled at unused input and output channels Diagnostic interrupts can be enabled optionally The f...

Page 55: ...erruption of PROFIsafe communication in case of CRC errors Interruption of PROFIBUS PROFINET connection Timeout of data frame monitoring Error in safety program of the F CPU Error in PROFIsafe protocol The current process value will be issued again once PROFIsafe communication resumes The safe status 0 will be assumed at the digital output module in case of the following errors Channel errors inde...

Page 56: ...he front panel Diagnostic messages of the fail safe signal modules Programmable and non programmable diagnostic messages A distinction is made between assignable and nonassignable diagnostic messages in terms of diagnostics data evaluation WARNING Diagnostics functions should be enabled or disabled to suit application requirements Diagnostics using the LED display Diagnostic messages are always in...

Page 57: ...upts execution of the user program standard or safety or of the lower priority classes and executes diagnostic interrupt OB82 Assigning the diagnostic interrupt enable parameter The diagnostic interrupt is disabled by default Enable the diagnostic interrupt in the object properties dialog of the F SM in HW Config see chapters for Digital modules Page 73 and Analog modules Page 181 Special informat...

Page 58: ...Fault reaction and diagnostics 6 2 Diagnosis of Faults of F SMs Fail safe signal modules 58 Installation and Operating Manual 01 2010 A5E00085586 10 ...

Page 59: ...ogic controllers published in the Gazette of the EC 2004 108 EC Electromagnetic compatibility EMC guideline 94 9 EC Equipment and Protective Systems Intended for Use in Potentially Explosive Atmospheres Explosion Protection Guideline The EC declarations of conformity are available to the responsible authorities at Siemens Aktiengesellschaft Sector Industry I IA AS R D DH A P O Box 1963 D 92209 Amb...

Page 60: ...ive gas atmospheres Type of protection n to EN 60079 0 2006 Electrical apparatus for explosive gas atmospheres general requirements II 3 G Ex nA II T3 T6 exceptSM 326 DI 8 x NAMUR II 3 2 G Ex nA ib IIC T4 only SM 326 DI 8 x NAMUR For SM 326 DI 8 x NAMUR 94 9 EC Equipment and protective systems for use in potentially explosive atmospheres Explosion Protection Directive II 2 G Ex ib IIC This approva...

Page 61: ...24V 2A PM Available Available No Available SM 326 DO 10 x DC 24V 2A Available Available No II 3 G Ex nA II T3 T6 available SM 326 F DO 10 x DC 24V 2A PP Available Available No II 3 G Ex nA II T3 T6 available SM 336 AI 6 x 13 Bit Available Available No II 3 G Ex nA II T3 T6 available SM 336 F AI 6 x 0 4 20 mA HART Available Available No II 3 G Ex nA II T4 available C Tick Mark for Australia The fai...

Page 62: ...chaft Sector Industry I IA AS R D DH A P O Box 1963 D 92209 Amberg Type Examination Certificates and Declarations of Conformity The type examination certificates and the declaration of conformity of the SM 326 DI 8 x NAMUR for the connection of signals in potentially explosive atmospheres Ex area are available in the Internet http support automation siemens com WW view en 25536344 134200 7 3 Elect...

Page 63: ...oltage Degree of severity Electrostatic discharge to IEC 61000 4 2 DIN VDE 0843 Part 2 8 kV 6 kV 3 air discharge 3 contact discharge Burst pulse high speed transient interference to IEC 61000 4 4 DIN VDE 0843 Part 4 2 kV power supply lines 2 kV signal line 3 4 Surge pulse to IEC 61000 4 5 DIN VDE 0839 Part 10 No external protective circuit required cf operating instructions S7 300 CPU 31xC and CPU...

Page 64: ...e signal modules The precise type name is available in S7 300 Automation System CPU 31xC and CPU 31x Installation chapter Lightning and surge voltage protection Note Lightning protection measures always require individual assessment of the overall plant The maximum surge protection can only be achieved if the entire building of the plant is interconnected with a surge protection system This involv...

Page 65: ...0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 3 4 5 6 7 2 3 4 5 6 7 352 86 3 352 1 7 2 6KLHOG FRQQHFWLQJ HOHPHQW 6KLHOG FRQQHFWLQJ HOHPHQW VKLHOGHG OLQH 0RXQWLQJ UDLO 38 3RZHU VXSSO PRGXOH H J 6 723 2SHUDWLRQ RQ VLQJOH SRZHU VXSSO PRGXOH VXSSRUWHG 0 0 0 0 0 0 0 0 9 9 9 9 9 9 9 9 P P 0 0 0 0 0 0 0 0 9 9 9 9 9 9 9 9 For order numbers refer to the ET 200S Distributed I O System manual A PROFIBUS DP MD HF5 Lightn...

Page 66: ...ements into consideration when evaluating the safety characteristics Sinusoidal interference HF radiation Test in accordance with IEC 61000 4 3 Radiated Electromagnetic Field Requirements Standard test 80 MHz to 1 GHz 10 V m AM 80 1 kHz 1 4 GHz to 2 GHz 10 V m AM 80 1 kHz 2 0 GHz to 2 7 GHz 1 V m AM 80 1 kHz GSM ISM UMTS field interferences of different frequencies Standard EN 298 2004 IEC 61326 3...

Page 67: ... dB µV Q 66 dB µV M from 0 5 MHz to 5 MHz 73 dB µV Q 60 dB µV M from 5 MHz to 30 MHz 73 dB µV Q 60 dB µV M Redundant configuration of ET 200M Note If you use the ET 200M in a redundant configuration it must be in a control cabinet with sufficient damping to ensure compliance with limit class A for radio interferences Expanding the field of application When operating fail safe signal modules in res...

Page 68: ... Conditions Operating conditions The fail safe signal modules are designed for stationary operation in weatherproof locations The operating conditions exceed requirements to IEC 61131 2 The fail safe signal modules meet conditions of application of class 3C3 according to DIN EN 60721 3 3 locations with high traffic volume and in the immediate area of industrial plants with chemical emissions Restr...

Page 69: ... signal modules are exposed to greater shock or vibration It is advisable to install the modules on a damping material such as rubber to metal vibration dampers Test of mechanical environmental conditions The table defines the type and scope of testing mechanical environmental conditions Test of Test standard Comments Vibration Vibration test to IEC 68 Part 2 6 sinusoidal Type of vibration Frequen...

Page 70: ...1 2 Air pressure 1080 hPa to 795 hPa Corresponds to an altitude of 1000 m to 2000 m Pollutant concentration SO2 0 5 ppm Relative humidity 60 no dewing H2S 0 1 ppm Relative humidity 60 no dewing Test 10 ppm 4 days 1 ppm 4 days 7 6 Specifications for Nominal Line Voltages Isolation Tests Protection Class and Degree of Protection Rated operating voltages The fail safe signal modules operate at a rate...

Page 71: ...stallation and Operating Manual 01 2010 A5E00085586 10 71 Protection against the ingress of foreign matter and water Degree of protection IP 20 to EN 60529 that is protection against contact with standard test fingers Also Protection against the ingress of foreign particles with diameters above 12 5 mm No special protection against the ingress of water ...

Page 72: ...ral technical data 7 6 Specifications for Nominal Line Voltages Isolation Tests Protection Class and Degree of Protection Fail safe signal modules 72 Installation and Operating Manual 01 2010 A5E00085586 10 ...

Page 73: ...fail safe digital modules of the S7 300 module range which are are available for connecting digital sensors and or actuators Information on fail safe digital modules provided in this chapter Properties Module view and block diagram Applications including the wiring diagrams and parameter settings Diagnostics messages and troubleshooting routines Technical data ...

Page 74: ...ast valid value old value of the affected input channel or 0 value can be assigned discrepancy behavior parameter For example if the sensor signal is used to control a filling operation and 0 value is output filling will be stopped by the first of the two discrepant signals after the 0 signal is read If the second signal does not return a 0 reading an error is generated on expiration of the discre...

Page 75: ...response time is not influenced by the discrepancy time if the Provide 0 value parameter is set Discrepancy analysis at redundant digital input modules only in fail safe S7 F FH systems See Chapter Configuring redundant F I O in the S7 F FH Systems Configuring and Programming operating instructions Parameter assignment Open the object properties catalog of the fail safe signal module in HW Config ...

Page 76: ...roups of 2 External sensor supply possible Group fault display SF Safety mode display SAFE Status display for each channel green LED Configuration in Run CiR supported in standard mode non safety mode Programmable diagnostics functions Assignable diagnostic interrupt Supports operation in standard and safety mode SIL3 Cat 4 PLe can be achieved without safety protector 1oo1 and 1oo2 evaluation can ...

Page 77: ...KH XVHU SURJUDP 0RGXOH VWDUW DGGUHVV Figure 8 1 Address assignment for SM 326 DI 24 x DC 24V Configuration in RUN CiR The SM 326 DI 24 x DC 24V as of order no 6ES7326 1BK01 0AB0 supports configuration in run CiR when operated in standard mode non safety mode Additional information on CiR For additional information on CiR refer to STEP 7 online help System changes in run using CiR in the Safety Eng...

Page 78: ...085586 10 Front view 9V 6 6 9V 9V 9V 9V URXS HUURU GLVSOD UHG 8VLQJ WKH IURQW FRQQHFWRU EHKLQG WKH IURQW GRRU WR ZLUH WKH LQSXWV DQG WKH SRZHU VXSSO KDQQHO QXPEHU 6WDWXV GLVSOD JUHHQ HDFK FKDQQHO LVSOD 6DIHW PRGH JUHHQ 6HQVRU VXSSO GLVSOD ದ JUHHQ SHU JURXS RI VL FKDQQHOV Figure 8 2 Front view of SM 326 DI 24 x DC 24V ...

Page 79: ...nnel configuration Left channels Right channels Evaluation of the sensors Description 0 12 1oo2 Channel pair configured for 1oo2 evaluation channel 0 is available as I x 0 in the I O input area in the F CPU 1 13 1oo2 Channel pair configured for 1oo2 evaluation channel 1 is available as I x 1 in the I O input area in the F CPU 2 14 1oo1 Single channels configured for 1oo1 evaluation channels 2 and ...

Page 80: ...sor supply 0 6 0 6 0 0 9 0 9V 9 0 9V 9V 9V 6WDWXV GGUHVV VZLWFK 7HVW 6HQVRU VXSSO RJLF DQG EDFNSODQH EXV FRQQHFWLRQ 2YHUYROWDJH SURWHFWLRQ 7KH UHSUHVHQWDWLRQ RI 12 FRQWDFWV PDWFKHV WKH PRGXOH ODEHOLQJ 8VXDOO WKH VHQVRUV PXVW EH HTXLSSHG ZLWK 1 FRQWDFWV LQ RUGHU WR HQVXUH WKH VDIH VWDWH RI SURFHVV YDULDEOHV Figure 8 4 Wiring and block diagram of SM 326 DI 24 x DC 24V and internal sensor supply ...

Page 81: ...ust be connected to the same external sensor supply 0 0 9V 60 9 Figure 8 5 External sensor supply for SM 326 DI 24 x DC 24V Note Note that the errors outlined cannot be detected when operating with external sensor supply Short circuit to L on the unconnected sensor line open contact Short circuit between channels of a channel group Short circuit between channels of different channel groups For ele...

Page 82: ...LUHG VDIHW FODVV 0RGXOH UHGXQGDQW 0RGXOH UHGXQGDQW 6WDQGDUG PRGH 6WDQGDUG PRGH KLJK YDLODELOLW 6 6DIHW PRGH 6 6DIHW PRGH KLJK DYDLODELOLW 6 6DIHW PRGH 6 6DIHW PRGH KLJK DYDLODELOLW SSOLFDWLRQV WR 1R 1R 1R 1R HV HV HV HV 6 DW 3 H 6 DW 3 G Figure 8 6 SM 326 DI 24 x DC 24V Selecting an application WARNING The maximum Safety Integrity Level is determined by the sensor quality and the length of the pro...

Page 83: ...o an external sensor supply 0 9V 60 9 Figure 8 7 Wiring scheme of the SM 326 DI 24 x DC 24V for application 1 one sensor single channel connection Assignable parameters for application 1 Table 8 2 Parameters for application 1 of SM 326 DI 24 x DC 24V Parameters Range of values in standard mode Type Effective range Parameters tab Mode of operation Standard mode static module Module parameters Diagn...

Page 84: ...ilability Diagnostic messages possible causes of the problem and their corrective measures are found in tables in the chapter Diagnostic messages of SM 326 DI 24 x DC 24V Page 99 Wiring scheme of application 2 with single channel connection of one sensor One sensor is connected via one channel to two digital modules for each process signal The sensors must be connected to an external sensor supply...

Page 85: ... application 2 of SM 326 DI 24 x DC 24V Parameters Range of values in standard mode Type Effective range Parameters tab Mode of operation Standard mode static module Module parameters Diagnostic interrupt activated deactivated static module Module parameters for a power supply group Internal sensor supply of the module deactivated for single channel connection of a sensor activated deactivated for...

Page 86: ...t 3 PLd Introduction Below are the wiring scheme and the parameter assignment of the SM 326 DI 24 x DC 24V digital module for application 3 Safety Mode SIL2 Cat 3 PLd Diagnostic messages possible causes of the problem and their corrective measures are found in tables in the chapter Diagnostic messages of SM 326 DI 24 x DC 24V Page 99 Wiring scheme for application 3 with single channel connection o...

Page 87: ...toring time 10 ms to 10000 ms static module Module parameters Diagnostic interrupt activated deactivated static module Module parameters for a power supply group Internal sensor supply of the module activated deactivated static Power supply group Short circuit test activated deactivated only if Sensor Supply via Module is activated static Power supply group For single channels or channel pairs act...

Page 88: ...ges possible causes of the problem and their corrective measures are found in tables in the chapter Diagnostic messages of SM 326 DI 24 x DC 24V Page 99 Wiring scheme for application 4 with single channel connection of one sensor One sensor is connected via one channel to the two digital modules for each process signal 1oo1 evaluation The sensors must be connected to an external sensor supply 0 0 ...

Page 89: ...using this wiring you must use a suitably qualified sensor Assignable parameters for application 4 Table 8 5 Parameters for application 4 of SM 326 DI 24 x DC 24V Parameters Range of values in safety mode Type Effective range Parameters tab Mode of operation Safety mode Static Module F parameter F monitoring time 10 ms to 10000 ms Static Module Module parameters Diagnostic interrupt activated deac...

Page 90: ...measures are found in tables in the chapter Diagnostic messages of SM 326 DI 24 x DC 24V Page 99 Wiring of sensors when using the internal sensor supply of the module Note In general if you connect one sensor to two inputs of the module and you are using the module internal sensor supply you must always use the sensor supply of the left half of the module 1Vs pin 4 or 2Vs pin 11 Wiring scheme of a...

Page 91: ...ation 5 one nonequivalent sensor two channel nonequivalent connection WARNING To achieve SIL3 Cat 4 PLe using this wiring you must use a suitably qualified sensor Wiring scheme for application 5 with nonequivalent two channel connection of two single channel sensors Two single channel sensors are connected via two channels nonequivalently to each of two opposite inputs of the digital module for ea...

Page 92: ...XSOHG PHFKDQLFDOO Figure 8 16 Wiring scheme of the SM 326 DI 24 x DC 24V for application 5 one two channel sensor two channel connection WARNING To achieve SIL3 Cat 4 PLe using this wiring you must use a suitably qualified sensor Wiring scheme for application 5 with two channel connection of two single channel sensors Two single channel sensors are connected via two channels to each of two opposit...

Page 93: ...tivated Static Module Module parameters for a power supply group Internal sensor supply of the module Activated deactivated Static Power supply group Short circuit test activated deactivated only if Sensor Supply via Module is activated Static Power supply group For single channels or channel pairs activated activated deactivated Static Channel pair Evaluation of the sensors 1oo2 evaluation Static...

Page 94: ...ral if you connect one sensor to two inputs of the module and you are using the module internal sensor supply you must always use the sensor supply of the left half of the module 1Vs pin 4 or 2Vs pin 11 Wiring scheme for application 6 with single channel connection of two redundant single channel sensors Two redundant single channel sensors are required per process signal One sensor is connected v...

Page 95: ...ructure The sensors can also be connected to an external sensor supply The left channels of the module return the user signals that is these signals are available in the I O area of inputs at the F CPU if no errors are detected 0 9V 0 9V 60 9 60 9 OHIW KDQQHOV WR ULJKW FKDQQHOV WR FTXLVLWLRQ RI WKH VDPH SURFHVV YDULDEOH XVLQJ PHFKDQL FDOO VHSDUDWHG VHQVRUV 7KH OHIW FKDQQHOV UHWXUQ WKH XVHU VLJQDOV...

Page 96: ...dules for each process signal 1oo2 evaluation The sensors must be connected to an external sensor supply 0 0 0 0 60 9 60 9 HIW KDQQHO WR 5LJKW KDQQHO WR 6HQVRU FRQWDFWV DUH PHFKDQLFDOO FRXSOHG DOWHUQDWLYHO RX FDQ FRQQHFW WZR VLQJOH FKDQQHO VHQVRUV HIW KDQQHO WR 5LJKW KDQQHO WR Figure 8 20 Wiring scheme of the SM 326 DI 24 x DC 24V for application 6 one two channel sensor two channel connection WAR...

Page 97: ...module for each module 1oo2 evaluation The sensors can also be connected to an external sensor supply 0 9V 9V 0 9V 9V 60 9 60 9 OHIW FKDQQHOV WR ULJKW FKDQQHOV WR FTXLVLWLRQ RI WKH VDPH SURFHVV YDULDEOH XVLQJ PHFKDQLFDOO VHSDUDWHG VHQVRUV OHIW FKDQQHOV WR ULJKW FKDQQHOV WR 0HFKDQLFDOO FRXSOHG VHQVRUV DOWHUQDWLYH FRQQHFWLRQ RI WZR VLQJOH FKDQQHOV VHQVRUV Figure 8 21 Wiring scheme of the SM 326 DI 2...

Page 98: ...circuit test activated deactivated only if Sensor Supply via Module is activated Static Power supply group For single channels or channel pairs activated activated deactivated Static Channel pair Evaluation of the sensors 1oo2 evaluation Static Channel pair Type of sensor interconnection Two channel equivalent Two channel nonequivalent Single channel Static Channel pair Discrepancy behavior only t...

Page 99: ... to the entire module Some diagnostic messages occur only in certain applications Table 8 8 Diagnostic messages of SM 326 DI 24 x DC 24V Diagnostic message Signaled in the application Effective range of diagnostics Assignable Internal short circuit or defective sensor supply Short circuit to L on the unconnected sensor line open contact Ground short circuit or defective sensor supply 1 2 3 4 5 6 D...

Page 100: ...upply Internal sensor supply error Replace the module Short circuit of the unconnected sensor line to M Eliminate the short circuit Short circuit at open sense line open contact Interruption of the line between the module and sensor Restore the cable connection Process signal error Defective sensor Check the process signal replace the sensor Discrepancy error 1oo2 evaluation Assigned discrepancy t...

Page 101: ...e has exceeded limits Eliminate the interference Defective module Replace the module Processor failure Switching rate exceeded Reduce switching rate Internal error in read circuit test circuit Defective module Replace the module CRC signature error CRC signature error during communication between the CPU and the module has occurred for example due to electromagnetic interference in excess faults d...

Page 102: ...nnel 24 Dual channel 12 Assigned address area In the I O input area 10 bytes In the I O output area 4 bytes Cable length Unshielded 100 m maximum Shielded 200 m maximum Front connectors 40 pin Maximum achievable Safety Integrity Level in safety mode According to IEC 61508 SIL 3 According to EN 954 1 Category 4 According to ISO 13849 2006 PLe Fail safe performance characteristics SIL 2 SIL 3 low de...

Page 103: ... bus 100 mA maximum From load voltage 1L 2L no sensors 450 mA maximum Power loss of the module 10 W typical Status Interrupts Diagnostics Status display Green LED per channel Interrupts Diagnostic interrupt Programmable Diagnostics functions Programmable Group fault display Red LED SF Fail safe mode display Green LED SAFE Diagnostic information can be read out Possible Sensor Supply Outputs Number...

Page 104: ...ms 22 ms Input delay For 0 after 1 2 1 ms to 3 4 ms For 1 after 0 2 1 ms to 3 4 ms Acknowledgment time In safety mode with 1oo1 evaluation of the sensors Max 29 ms In safety mode with 1oo2 evaluation of the sensors Max 29 ms Minimum sensor signal duration see table Minimum duration of sensor signals for reliable detection by SM 326 DI 24 x DC 24 V in chapter Sensor and Actuator Requirements for F ...

Page 105: ...n 8 short circuit proof sensor supplies each to one channel electrically isolated Group fault display SF Safety mode display SAFE Status display for each channel green LED Programmable diagnostics functions Assignable diagnostic interrupt Supports operation in standard and safety mode Note The fail safe performance characteristics in the technical data apply to a proof test interval of 10 years an...

Page 106: ...t of channels to addresses KHFN WKH LQSXW DGGUHVV LQ WKH XVHU SURJUDP 0RGXOH VWDUW DGGUHVV Figure 8 22 Address assignment for SM 326 DI 8 x NAMUR Front view 6 6 URXS HUURU GLVSOD UHG 8VLQJ WKH IURQW FRQQHFWRU EHKLQG WKH IURQW GRRU WR ZLUH WKH LQSXWV DQG WKH SRZHU VXSSO KDQQHO QXPEHU 3HU FKDQQHO WR 6DIHW GLVSOD JUHHQ 6DIHW PRGH GLVSOD JUHHQ Figure 8 23 Front view of SM 326 DI 8 x NAMUR ...

Page 107: ...60 1 085 NAMUR sensor monitoring for Wire break Short circuit Connected contact monitored for Wire break Short circuit resistors installed directly at the contact Wiring and block diagram The following figure shows the the wiring and block diagram of SM 326 DI 8 x NAMUR 9 9 9 9 9 0 9 9 9 9 0 0 0 6 6 6WDWXV 7HVW GGUHVV VZLWFK 6WDWXV DQG VLDJQRVWLFV RJLF DQG EDFNSODQH LQWHUIDFH 2YHUYROWDJH SURWHFWLR...

Page 108: ...0 A5E00085586 10 Channel numbers The channel numbers are used to uniquely identify the inputs and to assign channel specific diagnostic messages 1oo2 evaluation of the sensors reduces the number of channels by half Y Y RR RR Y Y RR RR KDQQHO QXPEHU HIW 5LJKW Figure 8 25 Channel numbers for SM 326 DI 8 x NAMUR ...

Page 109: ...ive area Note The L M supply line terminals at the digital input module SM 326 DI 8 x NAMUR must be protected using a cable guide in order to conform to specified air gaps and creepage distances for operation in potentially explosive atmospheres Cable guide Order number 6ES7393 4AA10 0AA0 5 units 1 2 3 4 4 Cable guide for screw type terminals Auxiliary wedge for cage clamp terminals Cable guide fo...

Page 110: ... 326 DI 8 x NAMUR in Hazardous Area To wire the 40 pin front connector Step Graphic Description 1 Wire the power supply lines to terminals 21 L and 22 M and route these to the top 2 a 1 Insert the cable guide into terminals 3 and 23 of the front connector Screw type terminals Tighten the screws of terminals 3 and 23 Cable guide screw type terminals ...

Page 111: ... key included instead of the screwdriver to install the cable guide Cable guide cage clamp terminals Auxiliary wedge cage clamp terminal 3 4 Wire the process lines and route these to the bottom Do not forget to install the enclosed strain relief for the wire harnesses Result The cable guide is safely installed in the front connector in compliance with safety requirements of explosion protection ...

Page 112: ...0 ET 200M rack at the last position on the extreme right of the mounting rail the width of SM 326 DI 8 x NAMUR automatically corrects the thread length to the next module on its left side Insert the DM 370 dummy module between the relevant EX and the standard modules if this cannot be done You can also install an intrinsically safe partition when using modules of the active backplane bus WARNING A...

Page 113: ...uted Safety or S7 F Systems optional package 0RGXOH UHGXQGDQW 6WDQGDUG PRGH 6DIHW PRGH 6DIHW PRGH 5HTXLUHG VDIHW FODVV 0RGXOH UHGXQGDQW 0RGXOH UHGXQGDQW 6WDQGDUG PRGH 6WDQGDUG PRGH KLJK YDLODELOLW 6 6DIHW PRGH 6 6DIHW PRGH KLJK DYDLODELOLW 6 6DIHW PRGH 6 6DIHW PRGH KLJK DYDLODELOLW SSOLFDWLRQV WR 1R 1R 1R 1R HV HV HV HV 6 DW 3 H 6 DW 3 G Figure 8 27 SM 326 DI x 8 NAMUR Selecting an application WAR...

Page 114: ...al module for each process signal 1oo1 evaluation The sensor supply Vs is made available from the digital module 0 9V 9 60 1 085 Figure 8 28 Wiring scheme of the SM 326 DI 8 x NAMUR for applications 1 and 3 WARNING To achieve SIL2 Cat 3 PLd using this wiring you must use a suitably qualified sensor Assignable parameters for applications 1 and 3 Table 8 10 Parameters SM 326 DI 8 x NAMUR for applica...

Page 115: ...agnostic messages possible causes of the problem and their corrective measures are found in tables in the chapter Diagnostic Messages for SM 326 DI 8 x NAMUR Page 121 Wiring scheme of applications 2 and 4 Two single channel redundant sensors are each connected via one channel to the two digital modules for each process signal 1oo1 evaluation The sensor supply Vs is made available from the respecti...

Page 116: ...te d Static Module Safety mode Activated Deactivated Static Module Monitoring time 10 ms to 10000 ms Static Module Sensor evaluation 1oo1 evaluation Static Module Group diagnostics Activated deactivated Activated deactivate d Static channel Redundancy tab Redundancy 2 modules Static Module Redundant module selection of an existing additional module of the same type Static redundant Module pair Dis...

Page 117: ... channels to each of two opposite inputs of the digital module for each process signal 1oo2 evaluation The sensor supply Vs is made available from the digital module The left channels of the module return the user signals that is these signals are available in the I O area of inputs at the F CPU if no errors are detected 9 0 9V 9V 60 1 085 FTXLVLWLRQ RI WKH VDPH SURFHVV YDULDEOH XVLQJ PHFKDQLFDOO ...

Page 118: ...NAMUR Parameters Range of values in safety mode Type Effective range Inputs tab Enable diagnostic interrupt Activated deactivated Static Module Safety mode Activated Static Module Monitoring time 10 ms to 10000 ms Static Module Sensor evaluation 1oo2 evaluation Static Module Group diagnostics Activated deactivated Static Channel Discrepancy time 10 ms to 30000 ms Static Channel Redundancy tab Redu...

Page 119: ...ss signal 1oo2 evaluation The contacts of each sensor are routed to two opposing inputs of the same digital module The sensor supply Vs is made available from the respective digital module The left channels of the module return the user signals that is these signals are available in the I O area of inputs at the F CPU if no errors are detected 9 9 0 9V 9V 0 9V 9V 60 1 085 60 1 085 FTXLVLWLRQ RI WK...

Page 120: ...iagnostic interrupt Activated deactivated Static Module Safety mode Activated Static Module Monitoring time 10 ms to 10000 ms Static Module Sensor evaluation 1oo2 evaluation Static Module Group diagnostics Activated deactivated Static channel Discrepancy time 10 ms to 30000 ms Static channel Redundancy tab Redundancy 2 modules Static Module Redundant module selection of an existing additional modu...

Page 121: ...cation Effective range of diagnostics Assignable Wire break or internal fault at the sensor supply Short circuit between sensor signal and supply lines yes Internal error in read circuit test circuit or defective sensor supply 1 2 3 4 5 6 channel No Discrepancy error 1oo2 evaluation 5 6 channel Yes No external auxiliary voltage Module parameters not assigned Incorrect module parameters Communicati...

Page 122: ...nsor Check the process signal replace the NAMUR sensor Short circuit between the supply line and the open signal line open contact of the sensor Eliminate the short circuit Wire break in connected sensor line contact closed or the sensor supply line Eliminate the wire break Discrepancy error 1oo2 evaluation Assigned discrepancy time too short Check the discrepancy time parameters No external auxil...

Page 123: ...ce the module Electromagnetic interference has exceeded limits Eliminate the interference Defective module Replace the module Processor failure Switching rate exceeded Reduce switching rate Parameter assignment error with specification of a consecutive number Error in dynamic parameter reassignment Check the parameter assignment in the user program Contact SIMATIC Customer Support if necessary CRC...

Page 124: ...C T4 to EN 60079 11 EN 60079 0 EN 60079 15 Test number KEMA 99 ATEX 2671 X Maximum achievable Safety Integrity Level in safety mode Single channel Dual channel According to IEC 61508 SIL 2 SIL 3 According to EN 954 1 Category 3 Category 4 According to ISO 13849 2006 PLd PLe Fail safe performance characteristics SIL 2 SIL 3 low demand mode average probability of failure on demand 1 00E 04 1 00E 05 ...

Page 125: ...L without sensor 160 mA maximum Power loss of the module 4 5 W typical Status Interrupts Diagnostics Status display Green LED per channel Interrupts Diagnostic interrupt Programmable Diagnostics functions Group fault display Fail safe mode display Diagnostic information can be read out Programmable Red LED group error green LED SAFE supported Sensor Supply Outputs Number of outputs 8 Output voltag...

Page 126: ... input delay for Typ Max Standard mode 55 ms 60 ms Safety mode 55 ms 60 ms Input delay For 0 after 1 1 2 ms to 3 ms For 1 after 0 1 2 ms to 3 ms Acknowledgment time In safety mode Max 68 ms Minimum sensor signal duration Min 38 ms Note The maximum cable lengths currently specified in this manual ensure against functional impairment even without more precise examination of the boundary conditions I...

Page 127: ...lay for each channel green LED Programmable diagnostics functions Programmable diagnostic interrupt Supports operation in safety mode SIL3 Cat 4 PLe can be achieved without safety protector Simplified PROFIsafe address assignment I M identification data can be used with PROFINET IO Acknowledgment possible after voltage dip greater cable lengths are possible Note The fail safe performance character...

Page 128: ...V LQ WKH XVHU SURJUDP 0RGXOH VWDUW DGGUHVV Figure 8 32 Address assignment for SM 326 DO 8 x DC 24V 2A PM Front view 6 6 URXS HUURU GLVSOD UHG LVSOD 6DIHW PRGH JUHHQ 3HU FKDQQHO WR 8VLQJ WKH IURQW FRQQHFWRU EHKLQG WKH IURQW GRRU WR ZLUH WKH RXWSXWV ZLUH WKH SRZHU VXSSO RI WKH PRGXOHV WR ZLUH WKH ORDG YROWDJH VXSSO RI WKH RXWSXWV LW DGGUHVV 6WDWXV GLVSOD JUHHQ Figure 8 33 Front view of the SM 326 DO...

Page 129: ...0 0 0 9 2YHU YROWDJH SURWHFWLRQ LDJQRVWLFV VWDWXV LDJQRVWLFV VZLWFK 3 VZLWFK 5HDGEDFN 0 VZLWFK 5HDGEDFN IRU RXWSXWV WR IRU RXWSXWV WR RJLF DQG DFNSODQH EXV RQ VZLWFK GGUHVV VZLWFK 6WDWXV RI Figure 8 34 Wiring and block diagram of SM 326 DO 8 x DC 24V 2A PM Channel numbers The channel numbers are used to identify the outputs and to assign channel specific diagnostic messages KDQQHO QXPEHU OHIW ULJK...

Page 130: ...elps you to select an application based on availability and fail safe operation requirements The next pages provide information on the module wiring for a specific application and on the parameters to set in STEP 7 using the S7 Distributed Safety or S7 F Systems optional package 5HTXLUHG VDIHW FODVV 6 DW 3 H 6 DW 3 G 6 6DIHW PRGH 6 6DIHW PRGH SSOLFDWLRQV DQG Figure 8 36 SM 326 DO 8 x DC 24V 2A PM ...

Page 131: ...mode SIL2 Cat 3 PLd Application 2 Safety mode SIL3 Cat 4 PLe Diagnostic messages possible causes of the problem and their corrective measures are found in tables in the chapter Diagnostic messages of SM 326 DO 8 x DC 24V 2A PM Page 133 Wiring scheme of applications 1 and 2 Each one of the 8 fail safe digital outputs consists of one DOx P switch current source and one DOx M switch current consumer ...

Page 132: ... the P and M switches of a fail safe digital output you must route the cables used to connect the relays on the P and M switches in a cross circuit proof manner e g as separate unsheathed cables or in separate cable ducts WARNING The module only detects wire break and overload errors at the P switch not at the M switch of a digital output which drives two relays It is no longer possible to shut do...

Page 133: ...16 Parameters of the SM 326 DO 8 x DC 24V 2A PM for applications 1 and 2 Parameters Range of values Type Effective range Parameters tab F parameter F monitoring time 10 ms to 10000 ms Static Module Module parameters Diagnostic interrupt Activated deactivated Static Module For single channels or channel pairs Activated Activated deactivated Static Channel Diagnostics Wire break Activated deactivate...

Page 134: ...e output driver DOx_P short circuit of output to L or defective output driver DOx_M short circuit of output to L or defective output driver 1 2 Channel Yes No external auxiliary voltage Module parameters not assigned Incorrect module parameters Communication error Internal supply voltage of the module failed Time monitoring activated watchdog EPROM error RAM error Internal error in read circuit te...

Page 135: ... Undervoltage at load voltage supply Check the load voltage supply Short circuit of output to M or defective output driver General Defective output driver Replace the module Short circuit between the output and L of the module power supply Eliminate the short circuit Module reset required supply voltage 1L off on Short circuit between channels which carry different signals Eliminate the short circ...

Page 136: ...magnetic interference has exceeded limits Eliminate the interference Time monitoring activated watchdog General Defective module Replace the module Error in communication between the CPU and the module for example due to defective PROFIBUS connection or electromagnetic interference in excess of limits Check the PROFIBUS connection Eliminate the interference Timeout of data frame monitoring Check t...

Page 137: ...re error during communication between the CPU and the module has occurred for example due to electromagnetic interference in excess faults during sign of life monitoring error or standard program accesses F SM Eliminate the interference Assigned monitoring time exceeded Check the monitoring time parameters Timeout of safety message frame monitoring General Startup of the fail safe signal module No...

Page 138: ... pin Maximum achievable Safety Integrity Level in safety mode According to IEC 61508 SIL 3 According to EN 954 1 Category 4 According to ISO 13849 2006 PLe Fail safe performance characteristics SIL 2 SIL 3 low demand mode average probability of failure on demand 1 00E 05 1 00E 05 high demand continuous mode probability of a dangerous failure per hour 1 00E 09 1 00E 09 Voltages Currents Potentials ...

Page 139: ... display Green LED per channel Interrupts Diagnostic interrupt Programmable Diagnostics functions Programmable Group fault display Red LED SF Fail safe mode display Green LED SAFE Diagnostic information can be read out Possible Sensor selection data Output voltage For 1 signal Minimum L 1 0 V Output current Rated value with 1 signal Permissible range to 40 C horizontal installation Permissible ran...

Page 140: ...s see also chapter Sensor and Actuator Requirements for F SMs in Safety Mode Page 47 Wire break detection For 1 signal 1 s For 0 signal 100 s Time Frequency Internal signal preparation time in safety mode Min 4 ms Max 14 ms Acknowledgment time in safety mode Max 18 ms Note The maximum cable lengths currently specified in this manual ensure against functional impairment even without more precise ex...

Page 141: ... 24 V DC Suitable for solenoid valves DC relay contactors and signal lamps 2 connections per output One connection for single channel actuator control without series diode One connection for redundant actuator control with series diode Group fault display SF Safety mode display SAFE Status display for each channel green LED Programmable diagnostics functions Programmable diagnostic interrupt Assig...

Page 142: ...o the same load voltage for operation in redundant mode Install two redundant power supply units if a single power supply is insufficient for reasons of availability The power supply units must be coupled by means of diode circuit Short circuit to L at redundant interconnection WARNING Prevent short circuits to L at the SM 326 DO 10 x DC 24V 2A with protected routing of the signal lines The module...

Page 143: ...010 A5E00085586 10 143 Front view 6 6 URXS HUURU GLVSOD UHG LVSOD 6DIHW PRGH JUHHQ 3HU FKDQQHO WR 8VLQJ WKH IURQW FRQQHFWRU EHKLQG WKH IURQW GRRU WR ZLUH WKH RXWSXWV ZLUH WKH SRZHU VXSSO RI WKH PRGXOHV WR ZLUH WKH ORDG YROWDJH VXSSO RI WKH RXWSXWV LW DGGUHVV 6WDWXV GLVSOD JUHHQ Figure 8 41 Front view of SM 326 DO 10 x DC 24V 2A ...

Page 144: ...ROWDJH SURWHFWLRQ 2XWSXW GULYHU 0DLQ VZLWFK 5HDGEDFN LDJQRVWLFV GDWD GGUHVV VZLWFK RJLF DQG EDFNSODQH EXV RQ VZLWFK Figure 8 42 Wiring and block diagram of SM 326 DO 10 x DC 24V 2A The potential groups 1L 2L and 3L can be supplied by separated power supply units but also by one common power supply unit Channel numbers The channel numbers are used to identify the outputs and to assign channel speci...

Page 145: ...DQW 6WDQGDUG PRGH 6DIHW PRGH 6DIHW PRGH 5HTXLUHG VDIHW FODVV 0RGXOH UHGXQGDQW 0RGXOH UHGXQGDQW 6WDQGDUG PRGH 6WDQGDUG PRGH KLJK YDLODELOLW 6 6DIHW PRGH 6 6DIHW PRGH KLJK DYDLODELOLW 6 6DIHW PRGH 6 6DIHW PRGH KLJK DYDLODELOLW SSOLFDWLRQV WR 1R 1R 1R 1R HV HV HV HV 6 DW 3 H 6 DW 3 G Figure 8 44 SM 326 DO 10 x DC 24V 2A Selecting an application Avoiding dark periods when operating in safety mode WARN...

Page 146: ...In case of parameter setting with SIL3 The signal at the output has to change daily or even more frequently If this is not the case with the 0 signal you will have to activate the light test that meets this condition Wiring scheme for applications 1 3 and 5 Single channel connection of one sensor for each process signal The load voltage supply is wired to terminals 2L 2M 3L 3M of the digital modul...

Page 147: ...n be wired to any one of the 10 digital outputs The figure below shows an example of an output wiring This circuit is compliant with SIL 3 Cat 4 PLe 0 0 2 60 2 9 Figure 8 46 Wiring scheme 2 actuators at digital output of SM 326 DO 10 x DC 24V 2A WARNING It is no longer possible to shut down an actuator if a cross circuit has developed between 2L and DO To prevent cross circuits between 2L and DO y...

Page 148: ... diagnostic interrupt Activated deactivated Activated deactivated Static Module Mode Safety mode according to SIL 2 Safety mode according to SIL 3 Standard mode Static Module Monitoring time 10 ms to 10000 ms Static Module Disable light test Activated deactivated Activated deactivated Static Module Reaction during CPU STOP Switch to fail safe value Keep last valid value Static Module Group diagnos...

Page 149: ...cation 6 Safety mode SIL3 Cat 4 PLe with high availability Diagnostic messages possible causes of the problem and their corrective measures are found in tables in the chapter Diagnostics messages of SM 326 DO 10 x DC 24V 2A Page 152 Note In case of parameter setting with SIL3 The signal at the output has to change daily or even more frequently If this is not the case with the 0 signal you will hav...

Page 150: ...ard mode Static Module Monitoring time 10 ms to 10000 ms Static Module Disable light test Activated deactivated Activated deactivated Static Module Reaction during CPU STOP Switch to fail safe value Keep last valid value Static Module Group diagnostics Activated deactivated Activated deactivated Static Channel Switch to fail safe value 1 Activated deactivated Static Channel Redundancy tab Redundan...

Page 151: ...utput The parallel circuit in combination with an internal test coordination between the outputs 0 to 4 and 5 to 9 suppresses the 0 test pulse dark period 0 2 0 0 60 2 9 ULJKW FKDQQHOV WR OHIW FKDQQHOV WR Figure 8 48 Wiring two outputs in parallel for dark period suppression of the SM 326 DO 10 x DC 24V 2A You assign the fail safe signal module parameters as described for the various applications ...

Page 152: ...hannel Short circuit of output to L or defective output driver 1 2 3 4 5 6 Module Module parameters not assigned Incorrect module parameters Communication error Internal supply voltage of the module failed Time monitoring activated watchdog EPROM fault RAM fault Internal error in read circuit test circuit or defective sensor supply Processor failure Parameter assignment error with specification of...

Page 153: ...nate the short circuit Undervoltage at load voltage supply Check the load voltage supply Short circuit of output to M or defective output driver Only if the output 1 or during light period test Defective output driver Replace the module Short circuit of output after 1L of the module power supply Eliminate the short circuit Module reset required cycle power supply off on Short circuit between chann...

Page 154: ...est sequence General Defective module Replace the module Electromagnetic interference has exceeded limits Eliminate the faults and then remove and insert the module Defective module Replace the module Processor failure General Switching rate exceeded Reduce switching rate Parameter assignment error with specification of a consecutive number General Error in dynamic parameter reassignment Check the...

Page 155: ... occurred for example due to electromagnetic interference in excess faults during sign of life monitoring error in case of voltage drop or standard program accesses F SM Eliminate the interference Assigned monitoring time exceeded Check the monitoring time parameters Timeout of safety message frame monitoring General Startup of the fail safe signal module Message frame error General Sign of life a...

Page 156: ...so reports faults at one or several other channels if operating withdifferent load circuits 60 2 9 60 2 9 2KP N2KP P 0 0 0 0 7KH ORDG UDWLR LV QRW FRUUHFW KHUH LUH EUHDN Figure 8 49 Incorrect diagnostics of a wire break at the redundant SM 326 DO 10 x DC 24V 2A Example The module in this example reports faults at channels Q0 and Q1 after having detected a wire break at Q0 This is caused by severe ...

Page 157: ...n of Two Outputs for Dark Period Suppression Page 151 8 6 7 Technical Data SM 326 DO 10 x DC 24V 2A Overview Technical data Dimensions and Weight Dimensions W x H x D mm 80 x 125 x 120 Weight Approx 465 g Module Specific Specifications Number of outputs 10 Assigned address area In the I O input area 6 bytes In the I O output area 8 bytes Cable length Unshielded 600 m maximum Shielded 1000 m maximu...

Page 158: ...um Vertical installation Up to 40 C 4 A maximum Electrical isolation Between channels and backplane bus Yes Between channels and the power supply of the electronics Yes Between channels In groups of Yes 5 Permitted potential difference Between different circuits 75 V DC 60 V AC Insulation test voltage 500V DC 350V AC for 1min or 600V DC for 1s Current consumption From backplane bus 100 mA maximum ...

Page 159: ...terconnection to 60 C horizontal mounting position 2 A 7 mA to 2 A 7 mA to 1 A 7 mA to 1 A 28 mA to 2 A 28 mA to 1 A 28 mA to 1 A For 0 signal residual current 0 5 mA maximum Load resistance range Up to 40 C 12 Ω to 3 4 kΩ Up to 60 C 24 Ω to 3 4 kΩ Lamp load 5 W maximum Parallel switching of 2 outputs For redundant load control Only outputs with series diode outputs must be connected to common ref...

Page 160: ...tuator Requirements for F SMs in Safety Mode Page 47 Time Frequency Internal preparation time for Standard mode Max 22 ms Safety mode Max 24 ms Acknowledgment time In safety mode Max 20 ms Note The maximum cable lengths currently specified in this manual ensure against functional impairment even without more precise examination of the boundary conditions If the boundary conditions such as EMC cabl...

Page 161: ...load Suitable for solenoid valves DC relay contactors and signal lamps Assignable redundant operation Operation in safety mode SIL3 Cat 4 PLe can be achieved without safety protector Group fault display SF Safety mode display SAFE Status display for each channel green LED Display of channel specific errors red LED Programmable diagnostics functions Programmable diagnostic interrupt Firmware update...

Page 162: ...ue has been assigned the last valid process value 0 or 1 will be retained with events such as abort of PROFIsafe communication or F CPU stop For more information refer to the section entitled Fault reactions in safety mode with parameter setting Keep last valid value Page 55 Address assignment Check the output address in the user program x Module start address Figure 8 50 Address assignment for SM...

Page 163: ...0 A5E00085586 10 163 Front view 6 6 URXS IDXOW GLVSOD UHG LVSOD 6DIHW RSHUDWLRQ JUHHQ 3HU FKDQQHO WR QVWDOODWLRQ RI IURQW FRQQHFWRU EHKLQG IURQW GRRU IRU RQQHFWLRQ RI RXWSXWV 9ROWDJH VXSSO RI WKH PRGXOHV RDG YROWDJH VXSSO RI RXWSXWV LW DGGUHVV 6WDWXV GLVSOD JUHHQ DXOW GLVSOD UHG Figure 8 51 Front view of SM 326 F DO 10 x DC 24V 2A PP ...

Page 164: ...JH SURWHFWLRQ 2XWSXW GULYHU 2XWSXW GULYHU 5HDGEDFN LDJQRVWLFV GDWD DFNSODQH EXV RQ VZLWFK RJLF GGUHVV VZLWFK Figure 8 52 Wiring and block diagram of SM 326 F DO 10 x DC 24V 2A PP The potential groups 1L 2L and 3L can be supplied by separated power supply units but also by one common power supply unit Channel numbers The channel numbers are used to identify the outputs and to assign channel specifi...

Page 165: ...ters to set in STEP 7 using the S7 Distributed Safety or S7 F Systems optional package 0RGXOH UHGXQGDQW 6 DW 3 H 6DIHW PRGH 6 DW 3 H 6DIHW PRGH KLJK DYDLODELOLW 1R HV SSOLFDWLRQV WR Figure 8 54 Application Selection SM 326 F DO 10 x DC 24V 2A PP Test pulses of the light and dark test PV V 0RGXOH F FOH VVLJQHG PD WHVW WLPH PD RU VHFRQGV SURJUDPPDEOH PD OLJKW WHVW WLPH RU WHVW DW RXWSXW VLJQDO QWHUY...

Page 166: ...dules conduct the light and dark test in an asynchronous manner This can result in an overlap of the test pulses Avoiding dark periods when operating in safety mode Note If you are using actuators that respond too fast i e 1 ms to dark period test signals you can nonetheless use the internal test coordination by wiring two opposite outputs with assigned redundancy in parallel using a series diode ...

Page 167: ...h SIL3 The signal at the output has to change daily or even more frequently If this is not the case with the 0 signal you will have to activate the light test that meets this condition Wiring scheme of application 5 Single channel connection of one sensor for each process signal The load voltage supply is wired to terminals 2L 2M 3L 3M of the digital module 0 0 2 60 2 9 33 Figure 8 57 Wiring schem...

Page 168: ... and DO you must route the cables used to connect the actuators in a cross circuit proof manner for example as separate sheathed cables or in separate cable ducts Assignable parameters for application 5 Table 8 23 Parameters for application 5 of SM 326 F DO 10 x DC 24V 2A PP Parameters Range of values Type Effective range Parameters tab Mode of operation Safety mode Static Module F_Monitoring_Time...

Page 169: ...vate the light test that meets this condition WARNING Note for Keep last valid value parameter setting If a module output is 0 due to a channel module fault and the redundant module output is 1 due to a communication fault interruption the process value 1 will be created Also note the table Reaction of the SM 326 F DO x DC 24V 2A PP to CPU Stop in the chapter Reactions to Faults in Safety Mode Pag...

Page 170: ...Use the same reference potential for 2M and 3M Note If you are using actuators that respond too fast 1 ms to dark period test signals you can nonetheless use the internal test coordination by wiring two opposite outputs in parallel with assigned redundancy Parallel wiring suppresses the dark periods Parameters Range of values Type Effective range Parameters tab Mode of operation Safety mode static...

Page 171: ... availability Diagnostic messages possible causes of the problem and their corrective measures are found in tables in the chapter Diagnostic messages SM 326 F DO 10 x DC 24V 2A PP Page 173 Note In case of parameter setting with SIL3 The signal at the output has to change daily or even more frequently If this is not the case with the 0 signal you will have to activate the light test that meets this...

Page 172: ...me of application 6 Each process signal requires one actuator which is controlled redundantly by the two digital modules The load voltage supply is wired to terminals 2L 2M 3L 3M of the digital module 0 0 0 0 2 2 60 2 9 33 60 2 9 33 Figure 8 60 Wiring scheme of the SM 326 F DO 10 x DC 24V 2A PP for application 6 Note Use the same reference potential for both modules ...

Page 173: ...iagnostics Activated deactivated Static Channel group Activated Activated deactivated Static Channel Diagnostics Wire break Activated deactivated Static Channel Activated light test Activated deactivated Static Channel Max time for light test ms 0 6 ms to 5 ms Static Channel Max read back time for dark test ms 0 6 ms to 400 ms Static Channel Redundant switched Activated Static Channel 8 7 7 Diagno...

Page 174: ... circuit of output to M or defective output driver 5 6 Channel Short circuit of output to L or defective output driver 5 Module Module parameters not assigned Incorrect module parameters Communication error Internal supply voltage of the module failed Time monitoring activated watchdog EPROM fault RAM fault Internal error in read circuit test circuit or defective sensor supply Processor failure Pa...

Page 175: ... overload within 100 hours after the fault has occurred Short circuit to M at the output Remove the short circuit within 100 hours after the fault has occurred Undervoltage at load voltage supply Check the load voltage supply Short circuit of output to M or defective output driver Only if the output 1 or during light period test Defective output driver Replace the module Short circuit to L at the ...

Page 176: ...ffer Electromagnetic interference has exceeded limits Eliminate the interference and cycle power supply OFF ON EPROM error RAM error general Defective module Replace the module Internal error in read test sequence General Defective module Replace the module Electromagnetic interference has exceeded limits Eliminate the faults and then remove and insert the module Defective module Replace the modul...

Page 177: ...e error general Sign of life and or CRC signature entered in the data message frame Check the sign of life and CRC signature entries in the data message frame for 0 value Switching frequency too high general Switching frequency too high Reduce the switching frequency Note Note that an inductive load connected to the DO channels can induce voltages due to interference of a strong magnetic field Thi...

Page 178: ... connectors 40 pin Maximum achievable Safety Integrity Level in safety mode According to IEC 61508 SIL 3 According to EN 954 1 Category 4 According to ISO 13849 2006 PLe Fail safe performance characteristics SIL 3 low demand mode average probability of failure on demand 1 00E 05 high demand continuous mode probability of a dangerous failure per hour 1 00E 09 Proof test interval 20 years Voltages C...

Page 179: ... Power loss of the module 6 W typical Status Interrupts Diagnostics Status display 1 green LED 1 red LED Interrupts Diagnostic interrupt Programmable Diagnostics functions Programmable Group fault display Red LED SF Fail safe mode display Green LED SAFE Diagnostic information can be read out Possible Fail safe values Switch to Keep last valid value Actuator selection data Output voltage For 1 sign...

Page 180: ...3 V Short circuit protection of output Yes electronic Response threshold 2 6 to 4 5 A Response threshold of redundant interconnection 2 6 to 9 A Actuator timing requirements Actuator must not respond if Dark period 0 6 ms Light period 0 6 ms refer to chapter Sensor and Actuator Requirements for F SMs in Safety Mode Page 47 Time Frequency Internal preparation time for Safety mode Max 8 ms Redundant...

Page 181: ...the SM 336 F AI 6 x 0 4 20 mA HART Information on fail safe analog modules provided in this chapter Properties Module view and block diagram Applications including the wiring diagrams and parameter settings Diagnostic messages including corrective measures the HART messages SM 336 F AI 6 x 0 4 20 mA HART only and Technical data WARNING The fail safe performance characteristics in the technical dat...

Page 182: ...mA 22 814 mA 20 007 mA 11 7589 V 10 0004 V 117 589 100 004 32511 27649 7EFFH 6C01H Overrange 20 mA 2 89 μA 0 mA 20 mA 4 mA 2 315 μA 4 00 mA 10 V 1 45 V 0 V 100 0 014 0 27648 4 0 6C00H 4H 0H Nominal range 0 0007 mA 3 518 mA 3 9995 mA 1 185512 mA 0 36 mV 1 759 V 0 0036 17 593 1 4864 FFFFH ED00H Underrange 3 518 mA 1 185 mA see below 1 759 V 17 593 32768 8000H Underflow In S7 F FH Systems a fail safe...

Page 183: ...8000H if the current is 1 18 mA In S7 Distributed Safety the fail safe value 0 is provided in the PII for the safety program in place of 8000H for underflow Measured value resolution The SM 336 AI 6 x 13Bit has a 13 bit resolution That is the last two bits are set to zero The values returned must be multiples of four 1 digit 13 bit measuring range corresponds to 4 digits Simatic Table 9 2 Represen...

Page 184: ...f 2 or 4 wire transducers by the module External sensor supply possible Group fault display SF Safety mode display SAFE Sensor supply display Vs Programmable diagnostics functions Programmable diagnostic interrupt Supports operation in standard and safety mode Use of inputs You can use the inputs as follows In standard mode All 6 channels for current measurement 0 to 20 mA or 4 to 20 mA or Up to 4...

Page 185: ...of channels to addresses GGUHVVLQJ RI WKH LQSXWV LQ WKH XVHU SURJUDP 0RGXOH VWDUW DGGUHVV Figure 9 1 Address assignment for SM 336 AI 6 x 13Bit Front view 9V 6 6 9V URXS HUURU GLVSOD UHG LVSOD 6DIHW PRGH JUHHQ 8VLQJ WKH IURQW FRQQHFWRU EHKLQG WKH IURQW GRRU WR ZLUH WKH LQSXWV DQG WKH SRZHU VXSSO QFRGHU VXSSO GLVSOD ದ JUHHQ IRU DOO VL FKDQQHOV Figure 9 2 Front view of SM 336 AI 6 x 13Bit ...

Page 186: ...ck diagrams of analog sensors for the different applications are shown in the next chapters 1 0 1 0 0 0 6 0 6 0 9V 9 9 9 9 9 3RWHQWLDO VHSDUDWLRQ XUUHQW PHDVXUHPHQW 9 9ROWDJH PHDVXUHPHQW 2YHU YROWDJH SURWHFWLRQ 6HQVRU VXSSO RJLF DQG EDFNSODQH EXV RQ VZLWFK GGUHVV VZLWFK 0XOWL SOH HU 9V 0RQ 7HVW 8 8 0 0RQ 8 Figure 9 3 Wiring and block diagram of SM 336 AI 6 x 13Bit and internal sensor supply Channe...

Page 187: ...ee Chapter Safe Functional Extra Low Voltage for Fail Safe Signal Modules Page 44 Alternatively use a transducer with an appropriate battery backup or diagnostics External sensor supply The figures below shows how you can supply power to the sensors by means of an external sensor supply for example from another module 1L 96 0 0 0 1 60 LW 0 3 08 0 UHFRPPHQGHG Figure 9 5 External encoder supply 2 wi...

Page 188: ... Figure Front view of SM 336 AI 6 x 13 Bit Isolated transducers The isolated transducers are not bonded to local earth potential These transducers can be operated with floating potential Local conditions or interference may cause potential differences UCM static or dynamic between the measuring lines M of the input channels and the reference point of the measuring circuit MANA It is advisable to w...

Page 189: ...s with the corresponding current input when using channels 0 to 3 of SM 336 AI 6 x 13Bit for current measurements See the figure below This measure improves precision by approx 0 2 0 08 3 9 6 09 09Q 0 Q 0 1 60 LW UHFRPPHQGHG 6HQVRU 1 WR Figure 9 7 Improving current measuring precision at channels 0 through 3 using 2 DMU 9 0 09 0 0 0 08 3 6 Q Q Q 1 60 LW UHFRPPHQGHG UHFRPPHQGHG Q WR Figure 9 8 Impr...

Page 190: ... 6WDQGDUG PRGH 6DIHW PRGH 6DIHW PRGH 5HTXLUHG VDIHW FODVV 0RGXOH UHGXQGDQW 0RGXOH UHGXQGDQW 6WDQGDUG PRGH 6WDQGDUG PRGH KLJK YDLODELOLW 6 6DIHW PRGH 6 6DIHW PRGH KLJK DYDLODELOLW 6 6DIHW PRGH 6 6DIHW PRGH KLJK DYDLODELOLW SSOLFDWLRQV WR 1R 1R 1R 1R HV HV HV HV 6 DW 3 H 6 DW 3 G Figure 9 9 Application Selection SM 336 AI 6 x 13 Bit WARNING The maximum Safety Integrity Level is determined by the sen...

Page 191: ...mode Note In the wiring schemes below the connections to the reference point of the measuring circuit MANA are represented by a dashed line This means these connections are recommended options see chapter Properties front view wiring diagram and block diagram Page 184 A dashed connection between two or four sensors indicates that these sensors measure the same process variable 9 2 4 Application 1 ...

Page 192: ...dule Sensor supply Vs is provided by the analog module for 6 channels The sensors can also be connected to an external sensor supply see figure External sensor supply 2 wire transducer for SM 336 AI 6 x 13Bit in chapter Properties front view wiring diagram and block diagram Page 184 9 0 9 6 1 09 0 0 09 0 0 0 09 0 0 09 0 0 0 0 0 0 0 3 60 LW ZLUH WUDQVGXFHU UHFRPPHQGHG Figure 9 10 Current measuremen...

Page 193: ... the analog module for 6 channels The sensors can also be connected to an external sensor supply see figure External sensor supply 4 wire transducer for SM 336 AI 6 x 13Bit in chapter Properties front view wiring diagram and block diagram Page 184 The wire break check function reduces the measuring range to 4 to 20 mA 3 0 9 0 9 6 1 09 0 0 09 0 0 0 09 0 0 09 0 0 0 0 0 0 60 LW ZLUH WUDQVGXFHU UHFRPP...

Page 194: ...ule Sensor supply Vs is provided by the analog module for 4 channels The sensors can also be connected to an external sensor supply see figure External sensor supply 4 wire transducer for SM 336 AI 6 x 13Bit in chapter Properties front view wiring diagram and block diagram Page 184 3 0 9 0 9 6 1 09 0 0 09 0 0 0 09 0 0 09 0 0 0 0 0 0 60 LW ZLUH WUDQVGXFHU UHFRPPHQGHG Figure 9 12 Voltage measurement...

Page 195: ... Measurement type Deactivated 4DMU 2DMU V Static Channel Measuring range 4 to 20 mA 0 to 20 mA 0 to 10 V static channel Inputs 2 tab Safety mode No standard mode Static Module Monitoring time Static Module Redundancy tab Redundancy none Static Module 9 2 5 Application 2 standard mode with high availability Introduction Below are the wiring schemes and the parameter assignment of SM 336 AI 6 x 13Bi...

Page 196: ...dules for each process signal Sensor supply VS is provided by the analog module for 6 channels The sensors can also be connected to an external sensor supply see figure External sensor supply 2 wire transducer for SM 336 AI 6 x 13Bit in chapter Properties front view wiring diagram and block diagram Page 184 3 3 0 0 60 LW 60 LW 9 0 9 09 0 0 09 0 0 0 09 0 0 09 0 0 0 0 0 0 9 0 9 09 0 0 09 0 0 0 09 0 ...

Page 197: ... supply VS is provided by the analog module for 6 channels The sensors can also be connected to an external sensor supply see figure External sensor supply 4 wire transducer for SM 336 AI 6 x 13Bit in chapter Properties front view wiring diagram and block diagram Page 184 The wire break check function reduces the measuring range to 4 to 20 mA 9 0 9 09 0 0 09 0 0 0 09 0 0 09 0 0 0 0 0 0 9 0 9 09 0 ...

Page 198: ...log modules for each process signal Sensor supply VS is provided by the analog module for 6 channels The sensors can also be connected to an external sensor supply see figure External sensor supply 2 wire transducer for SM 336 AI 6 x 13Bit in chapter Properties front view wiring diagram and block diagram Page 184 9 0 9 09 0 0 09 0 0 0 09 0 0 09 0 0 0 0 0 0 9 0 9 09 0 0 09 0 0 0 09 0 0 09 0 0 0 0 0...

Page 199: ...fety mode No standard mode static module Monitoring time static module Redundancy tab Redundancy 2 modules static module Redundant module Selection of an existing additional module of the same type static Redundant module pair The two analog values returned in a redundant configuration operating in standard mode must be evaluated in the default user program 9 2 6 Application 3 Safety mode SIL2 Cat...

Page 200: ... channels The sensors can also be connected to an external sensor supply see figure External sensor supply 2 wire transducer for SM 336 AI 6 x 13Bit in chapter Properties front view wiring diagram and block diagram Page 184 0 0 0 0 0 0 0 0 0 0 0 0 0 9 0 9 09 0 0 09 0 0 0 09 0 0 09 0 0 0 0 0 0 0 3 6 1 1 60 LW ZLUH WUDQVGXFHU UHFRPPHQGHG Figure 9 13 Current measurement 4 to 20 mA 2 wire transducer f...

Page 201: ... channels The sensors can also be connected to an external sensor supply see figure External sensor supply 4 wire transducer for SM 336 AI 6 x 13Bit in chapter Properties front view wiring diagram and block diagram Page 184 60 LW 9 0 9 09 0 0 09 0 0 0 09 0 0 09 0 0 0 0 0 0 6 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 3 ZLUH WUDQVGXFHU UHFRPPHQGHG Figure 9 14 Current measurement 4 to 20 mA 4 wire transducer f...

Page 202: ...nel Measuring range 4 to 20 mA Static Channel Inputs 2 tab Safety mode According to SIL 2 1 sensor Static Module Monitoring time 10 ms to 10000 ms Static Module Redundancy tab Redundancy none Static Module 9 2 7 Application 4 Safety mode SIL2 Cat 3 PLd with high availability in S7 F FH Systems only Introduction Below are the wiring schemes and the parameter assignment of SM 336 AI 6 x 13Bit for Ap...

Page 203: ...l Sensor supply VS is provided by the analog module for 6 channels The sensors can also be connected to an external sensor supply see figure External sensor supply 2 wire transducer for SM 336 AI 6 x 13Bit in chapter Properties front view wiring diagram and block diagram Page 184 60 LW 60 LW 0 0 3 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9 0 9 09 0 0 09 0 0 0 09 0 0 09 0 0 0 0 0 0 9 0...

Page 204: ...odules 9 2 SM 336 AI 6 x 13 Bit Fail safe signal modules 204 Installation and Operating Manual 01 2010 A5E00085586 10 WARNING To achieve SIL3 Cat 4 PLe using this wiring you must use a suitably qualified sensor ...

Page 205: ...l Sensor supply VS is provided by the analog module for 6 channels The sensors can also be connected to an external sensor supply see figure External sensor supply 4 wire transducer for SM 336 AI 6 x 13Bit in chapter Properties front view wiring diagram and block diagram Page 184 60 LW 60 LW 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9 0 9 09 0 0 09 0 0 0 09 0 0 09 0 0 0 0 0 0 9 0 9 09 0 ...

Page 206: ...asurement type Deactivated 4DMU 2DMU Static Channel Measuring range 4 to 20 mA Static Channel Inputs 2 tab Safety mode According to SIL 2 1 sensor Static Module Monitoring time 10 ms to 10000 ms Static Module Redundancy tab Redundancy 2 modules static module Redundant module Selection of an existing additional module of the same type static Redundant module pair 9 2 8 Application 5 Safety mode SIL...

Page 207: ...e analog module for 6 channels The sensors can also be connected to an external sensor supply see figure External sensor supply 2 wire transducer for SM 336 AI 6 x 13Bit in chapter Properties front view wiring diagram and block diagram Page 184 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 60 LW ZLUH WUDQVGXFHU HWHFWLRQ RI WKH VDPH SURFHVV YDULDEOH ZLWK PHFKDQLFDOO VHSDUDWH VHQVRUV ZLUH WUDQVGXFHU UHFRPPHQGHG F...

Page 208: ...log module for 6 channels The sensors can also be connected to an external sensor supply see figure External sensor supply 4 wire transducer for SM 336 AI 6 x 13Bit in chapter Properties front view wiring diagram and block diagram Page 184 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 60 LW ZLUH WUDQVGXFHU HWHFWLRQ RI WKH VDPH SURFHVV YDULDEOH ZLWK PHFKDQLFDOO VHSDUDWH VHQVRUV ZLUH WUDQVGXFHU UHFRPPHQGHG UHFRPPHQ...

Page 209: ...tatic module Discrepancy time 10 to 10000 ms static module Tolerance window in terms of the measuring range 0 to 20 in 1 increments Static Module Standard value MIN MAX Static Module Redundancy tab Redundancy none Static Module Discrepancy analysis for fail safe analog input modules If you have configured safety mode in accordance with SIL 3 you can configure a discrepancy time and an absolute tol...

Page 210: ...ow are the wiring schemes and the parameter assignment of SM 336 AI 6 x 13Bit for Application 6 Safety Mode SIL3 Cat 4 PLe with high availability Diagnostic messages possible causes of the problem and their corrective measures are found in tables Diagnostic messages of SM 336 AI 6 x 13Bit and Diagnostic messages and associated corrective measures for SM 336 AI 6 x 13Bit in chapter Diagnostic Messa...

Page 211: ...s to two opposite inputs of the analog module for each module 1oo2 evaluation Sensor supply VS is provided by the analog module for 6 channels The sensors can also be connected to an external sensor supply see figure External sensor supply 2 wire transducer for SM 336 AI 6 x 13Bit in chapter Properties front view wiring diagram and block diagram Page 184 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0...

Page 212: ...odules 9 2 SM 336 AI 6 x 13 Bit Fail safe signal modules 212 Installation and Operating Manual 01 2010 A5E00085586 10 WARNING To achieve SIL3 Cat 4 PLe using this wiring you must use a suitably qualified sensor ...

Page 213: ...pposite inputs of the analog module for each module 1oo2 evaluation Sensor supply VS is provided by the analog module for 6 channels The sensors can also be connected to an external sensor supply see figure External sensor supply 4 wire transducer for SM 336 AI 6 x 13Bit in chapter Properties front view wiring diagram and block diagram Page 184 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0...

Page 214: ...ated static channel Wire break check only for 4 to 20 mA Activated deactivated Static Channel Measurement type Deactivated 4DMU 2DMU Static Channel Measuring range 4 to 20 mA Static Channel Inputs 2 tab Safety mode According to SIL 3 2 sensors Static Module Monitoring time 10 ms to 10000 ms static module Discrepancy time 0 ms to 30000 ms static module Tolerance window in terms of the measuring ran...

Page 215: ...sages for SM 336 AI 6 x 13 Bit Possible diagnostic messages The following table provides an overview of the diagnostic messages for SM 336 AI 6 x 13Bit Diagnostic messages are assigned either to a channel or to the entire module Some diagnostic messages occur only in certain applications Table 9 11 Diagnostic messages of SM 336 AI 6 x 13Bit Diagnostic message Signaled in the application Effective ...

Page 216: ... outside limits of safety mode to SIL 2 Wiring error wire the analog signal to both inputs or replace the module Common mode fault Potential difference UCM between the inputs M and reference potential of measuring circuit MANA too high Interconnect M with MANA Measuring range fallen below Use a suitable sensor check the wiring sensor polarity reversed Measuring range exceeded Use a suitable sensor...

Page 217: ...tchdog Defective module Replace the module Excessive electromagnetic interference at times Eliminate the interference and cycle power OFF ON EPROM fault RAM fault Defective module Replace the module Electromagnetic interference has exceeded limits Eliminate the interference Defective module Replace the module Processor failure Switching rate exceeded Reduce switching rate CRC signature error CRC s...

Page 218: ...06 Max PLe Fail safe performance characteristics low demand mode average probability of failure on demand SIL 3 1 00E 05 high demand continuous mode probability of a dangerous failure per hour SIL 3 1 00E 09 Proof test interval 10 years Surge protection of supply voltages L and Lext in accordance with IEC 1000 4 5 internal 0 5 kV 1 2 50 µs Surge protection of analog inputs and sensor supply voltag...

Page 219: ...on Measuring principle Integrating Integration conversion time Assignable Yes Integration time At 50 Hz At 60 Hz 20 00 ms 16 66 ms Resolution including overrange 13 bits sign Response time per activated channel At 50 Hz Max 50 ms At 60 Hz Max 44 ms Basic response time At 50 Hz Max 50 ms At 60 Hz Max 44 ms Acknowledgment time corresponds to Max response time max response time per channel N max basi...

Page 220: ...can be switched to Programmable in safety program Sensor supply output Number of outputs 1 Output voltage Loaded Minimum L 1 5 V Output current Rated value 1 0 A Approved range 0 to 1 3 A Short circuit protection Yes electronic Electrical isolation in accordance with DIN VDE 0160 Between output Vs and the backplane bus Yes Between output and L No Test voltage 600 VDC Rated insulation voltage 75 VD...

Page 221: ...t measurement Possible As 4 wire transducer Possible As 2 wire transducer Possible Load of 2 wire transducer Max 600 Ω Note The maximum cable lengths currently specified in this manual protect against functional impairment even without a closer look at the boundary conditions If the boundary conditions such as EMC cable type cable routing etc are examined more closely longer cables can be used for...

Page 222: ...6C01H Overrange 20 mA 0 4442 mA 0 4442 mA 723 4 nA 0 mA 7FFFH 20 mA 4 mA 578 7 nA 4 00 mA 100 2 221 0 0036 0 27648 614 1 0 6C00H 266H 1H 0H Nominal range 7FFFH 1 3 9995 mA 0 4444 mA 0 0036 22 222 1 6144 FFFFH E800H Underrange 7FFFH 0 4444 mA see below 22 222 32768 8000H 2 Underflow 1 The module is signaling a wire break 7FFFH 2 In S7 F FH Systems a fail safe value is output for this value in the s...

Page 223: ...S7 F FH Systems is reported and the fail safe value will be output as configured at the input SUBS_V of the F channel driver In S7 Distributed Safety the fail safe value 0 is provided in the PII for the safety program in place of 7FFFH If no wire break is assigned in case of an underflow at 0 4444 mA with 8000H in S7 F FH Systems is reported and the fail safe value will be output as configured at ...

Page 224: ...p fault display SF Safety mode display SAFE Display for channel specific fault Fn Display for HART status Hn If you have activated HART communication for a channel and HART communication is running the green HART status display lights up Programmable diagnostics functions Programmable diagnostic interrupt Supports operation in safety mode SIL3 Cat 4 PLe can be achieved without safety protector HAR...

Page 225: ... XVHU SURJUDP 0RGXOH VWDUW DGGUHVV Figure 9 17 Address assignment for SM 336 F AI 6 x 0 4 20 mA HART Front view 6 6 URXS IDXOW GLVSOD UHG 6DIHW PRGH GLVSOD JUHHQ KDQQHO IDXOW GLVSOD UHG 57 VWDWXV JUHHQ KDQQHO IDXOW GLVSOD UHG 57 VWDWXV JUHHQ KDQQHO IDXOW GLVSOD UHG 57 VWDWXV JUHHQ KDQQHO IDXOW GLVSOD UHG 57 VWDWXV JUHHQ KDQQHO IDXOW GLVSOD UHG 57 VWDWXV JUHHQ KDQQHO IDXOW GLVSOD UHG 57 VWDWXV JUHH...

Page 226: ...he next chapters 6DIH 6 0 9V 0 0 9V 0 0 9V 0 0 0 9V 0 0 9V 0 0 9V 0 6XSSO IRU ORJLF 8 PXOWLSOH HU RJLF 2SWRFRXSOHU WUDQVIRUPHU DFNSODQH EXV LQWHUIDFH GGUHVV VZLWFK 0XOWLSOH HU 0XOWLSOH HU 0XOWLSOH HU 57 2YHU YROWDJH SURWHFWLRQ 7HVW 7HVW 8 7HVW 8 5HDGEDFN Figure 9 19 Wiring and block diagram of SM 336 F AI 6 x 0 4 20 mA HART Channel numbers The channel numbers are used to uniquely identify the inpu...

Page 227: ...dules Page 44 Alternatively use a transducer with an appropriate battery backup or diagnostics Recommendation Internal sensor supply You are strongly advised to use the short circuit proof internal sensor supply of the module This internal sensor supply is monitored and its status is indicated by the Fn LED see Figure Front view of SM 336 F AI 6 x 0 4 20 mA HART Note The internal sensor supply of ...

Page 228: ...ring of the external sensor supply for undervoltage overvoltage including shutdown of the sensor supply when a fault is detected single channel for SIL 2 dual channel for SIL 3 Isolated transducers The isolated transducers are not bonded to local earth potential These transducers can be operated with floating potential Local conditions or interference may cause potential differences UCM static or ...

Page 229: ...DOXDWLRQ RI WKH VHQVRUV 0D LPXP 6DIHW HYHO 7KDW DQ H FKLHYHG 0RGXOH UHGXQGDQW 6 6DIHW PRGH 6 6DIHW PRGH KLJK DYDLODELOLW 6 6 VWHPV RQO 6 6DIHW PRGH 6 6DIHW PRGH KLJK DYDLODELOLW 6 6 VWHPV RQO 6 6DIHW PRGH KLJK DYDLODELOLW 6 6 VWHPV RQO SSOLFDWLRQV WR 1R 1R HV RR RR RR HV HV HV 5HGXQGDQF ZLWK PRGXOHV 0RGXOH UHGXQGDQW 1R 1R 6 6DIHW PRGH 6 6DIHW PRGH KLJK DYDLODELOLW 6 6 VWHPV RQO 6 DW 3 H 6 DW 3 H 6...

Page 230: ...epending on the type of measurement Table 9 16 Wiring scheme of SM 336 F AI 6 x 0 4 20 mA HART Wiring scheme Measurement type Channels A 2 wire transducer internal sensor supply 0 to 5 B 2 wire transducer external sensor supply 0 to 5 C 4 wire transducer internal sensor supply 0 to 5 D 4 wire transducer external sensor supply 0 to 5 E 2 wire transducer internal sensor supply with module redundancy...

Page 231: ... 2 wire transducer internal sensor supply Particularity Short circuit between sensor supply voltage Vsn and Mn is handled It is possible to detect an undervoltage at the transducer by reading back the sensor supply in the module 60 P 57 0 0 9V 0 0 9V 0 0 9V 0 0 9V 0 0 9V 0 0 9V 0 0 3 ZLUH WUDQVGXFHU Figure 9 22 2 wire transducer internal sensor supply ...

Page 232: ... The maximum permissible common mode voltage UCM must be observed WARNING Depending on the internal structure of the sensor a short circuit from 2L to Mn sensor with measuring circuit referring to 2M or from Mn to 2M sensor with measuring circuit referring to 2L can destroy the input resistors see documentation for the utilized sensor For this reason a suitable measure must be taken to protect the...

Page 233: ... 4 wire transducer internal sensor supply Particularity Short circuit between sensor supply voltage Vsn and Mn is handled It is possible to detect an undervoltage at the transducer by reading back the sensor supply in the module 60 P 57 0 0 9V 0 0 9V 0 0 9V 0 0 9V 0 0 9V 0 0 9V 0 0 3 ZLUH WUDQVGXFHU Figure 9 24 4 wire transducer internal sensor supply ...

Page 234: ... The maximum permissible common mode voltage UCM must be observed WARNING Depending on the internal structure of the sensor a short circuit from 2L to Mn sensor with measuring circuit referring to 2M or from Mn to 2M sensor with measuring circuit referring to 2L can destroy the input resistors see documentation for the utilized sensor For this reason a suitable measure must be taken to protect the...

Page 235: ...dule It is necessary to incorporate the external elements into the application specific safety examination This means appropriate external elements e g Zener diodes are needed to achieve the respective Safety Integrity Level Note 1L and 2L can be fed from one power supply 60 P 57 60 P 57 0 0 0 9V 0 0 9V 0 0 9V 0 0 9V 0 0 9V 0 0 9V 0 0 0 9V 0 0 9V 0 0 9V 0 0 9V 0 0 9V 0 0 9V 0 0 3 ZLUH WUDQVGXFHU F...

Page 236: ...from one power supply The maximum permissible common mode voltage UCM must be observed WARNING Depending on the internal structure of the sensor a short circuit from 2L to Mn sensor with measuring circuit referring to 2M or from Mn to 2M sensor with measuring circuit referring to 2L can destroy the input resistors see documentation for the utilized sensor For this reason a suitable measure must be...

Page 237: ...dule It is necessary to incorporate the external elements into the application specific safety examination This means appropriate external elements e g Zener diodes are needed to achieve the respective Safety Integrity Level Note 1L and 2L can be fed from one power supply 0 60 P 57 60 P 57 0 9V 0 0 9V 0 0 9V 0 0 9V 0 0 9V 0 0 9V 0 0 0 9V 0 0 9V 0 0 9V 0 0 9V 0 0 9V 0 0 9V 0 0 3 0 ZLUH WUDQVGXFHU F...

Page 238: ...e power supply The maximum permissible common mode voltage UCM must be observed WARNING Depending on the internal structure of the sensor a short circuit from 2L to Mn sensor with measuring circuit referring to 2M or from Mn to 2M sensor with measuring circuit referring to 2L can destroy the input resistors see documentation for the utilized sensor For this reason a suitable measure must be taken ...

Page 239: ... 4 1 Calculation of the residual supply voltage at the transducer Calculation of residual supply voltage Determine the following voltages according to your wiring scheme for the purpose of calculating the residual supply voltage Determine the minimum supply voltage UV_min Power supply e g for SITOP 24 V 2 UV_min UV Tolerance 24 V 2 23 5 V neglecting the voltage drop at the supply line to the modul...

Page 240: ...e in application 3 Minimum residual voltage Umin on a 2 wire transducer non high availability application Umin UV_min Uline URi USensorSupply Umin 23 5 V 0 9 V 4 4 V 0 5 V 17 7 V Example for calculating the residual supply voltage in application 4 Minimum residual voltage Umin on a 2 wire transducer high availability application Umin UV_min ULine UDiode UZ_6V2 URi USensorSupply Umin 23 5 V 0 9 V 0...

Page 241: ...it affects the measurement result For safety reasons we recommend the use of a variety diversity of Zener diodes common cause error For example you could use the following Zener diodes 5 6 V 1N4734A and 6 2 V 1N4735A or use MTA 6ES7650 1AH51 5XX0 with 6ES7650 1BB51 0XX0 and 6ES7650 1BC51 0XX0 see Manual Marshalled Termination Assemblies ET 200M Remote I O Modules http support automation siemens co...

Page 242: ...is provided by the module for 6 channels The sensors can also be connected to an external sensor supply see Figure External sensor supply 2 wire transducer for SM 336 F AI 6 x 0 4 20 mA HART in Chapter Properties front view wiring diagram and block diagram Page 224 You can use interconnection schemes A to D for this application 60 P 57 0 0 9V 0 0 9V 0 0 9V 0 0 9V 0 0 9V 0 0 9V 0 0 3 ZLUH WUDQVGXFH...

Page 243: ... detection activated deactivated in the 4 to 20 mA measuring range Static Channel Smoothing 1 4 16 64 conversion cycles Static Channel HART function Activated deactivated Static Channel HART repetitions 0 to 255 Static Channel HART group diagnostics Activated deactivated Static Channel 9 3 7 Application 4 Safety mode SIL3 Cat 3 PLe with high availability in S7 F FH Systems only Introduction Below ...

Page 244: ...ply 2 wire transducer for SM 336 F AI 6 x 0 4 20 mA HART in chapter Properties front view wiring diagram and block diagram Page 224 You can use interconnection schemes E to H for this application 60 P 57 60 P 57 0 9V 0 0 9V 0 0 9V 0 0 9V 0 0 9V 0 0 9V 0 0 0 9V 0 0 9V 0 0 9V 0 0 9V 0 0 9V 0 0 9V 0 0 0 3 0 ZLUH WUDQVGXFHU Figure 9 31 1oo1 evaluation redundant F SMs single channel transducer For info...

Page 245: ...entire module Passivate the channel Static Module HART_Gate Off On Can be switched Static Module Interference frequency suppression 50 Hz 60 Hz Static Module Evaluation of the sensors 1oo1 evaluation Static Channel Measuring range 4 to 20 mA 0 to 20 mA Static Channel F wire break detection activated deactivated in the 4 to 20 mA measuring range Static Channel Smoothing 1 4 16 64 conversion cycles ...

Page 246: ... x 0 4 20 mA HART Page 257 Current measurement 0 4 to 20 mA with 2 wire and 4 wire transducer for application 5 Three process signals can be connected to a module in this interconnection variant Sensor supply Vsn is provided by the module for 3 channels The sensors can also be connected to an external sensor supply see Figure External sensor supply 2 wire transducer for SM 336 F AI 6 x 0 4 20 mA H...

Page 247: ...n external sensor supply see Figure External sensor supply 4 wire transducer for SM 336 F AI 6 x 0 4 20 mA HART in Chapter Properties front view wiring diagram and block diagram Page 224 Interconnection types A to D can be used for this application 60 P 57 0 9V 0 0 9V 0 0 9V 0 0 9V 0 0 9V 0 0 9V 0 0 0 3 ZLUH WUDQVGXFHU Figure 9 33 1oo2 evaluation single channel transducer WARNING To achieve SIL3 C...

Page 248: ...el Tolerance window relative 0 2 to 20 Static Channel Standard value MAX MIN Static Channel HART function Activated deactivated Static Channel HART repetitions 0 to 255 Static Channel HART group diagnostics Activated deactivated Static Channel If you are evaluating sensors in your safety program e g in S7 F Systems using F block F_1oo2AI configure 1oo1 evaluation Discrepancy analysis for fail safe...

Page 249: ...urement 0 4 to 20 mA with 2 wire and 4 wire transducer for application 6 transducer not redundant Three process signals can be connected to two redundant modules in this interconnection variant Two redundant sensors are required for each process signal Two sensors are connected to two channels of each module 1oo2 evaluation Sensor supply Vsn is provided by the module for 3 channels The sensors can...

Page 250: ...vior after channel fault Passivate the entire module Passivate the channel Static Module HART_Gate Off On Can be switched Static Module Interference frequency suppression 50 Hz 60 Hz Static Module Evaluation of the sensors 1oo2 evaluation Static Channel Measuring range 4 to 20 mA 0 to 20 mA Static Channel F wire break detection activated deactivated in the 4 to 20 mA measuring range Static Channel...

Page 251: ...odule In addition configure the standard value MIN lower value MAX higher value to be applied and transferred to the F CPU If the difference between the two redundant input channels of the channel pair exists longer than the configured discrepancy time an error is signaled and the fail safe value 7FFFH is transferred In S7 Distributed Safety the fail safe value 0 is provided in the PII for the saf...

Page 252: ... for SM 336 F AI 6 x 0 4 20 mA HART in chapter Diagnostic messages of SM 336 F AI 6 x 0 4 20 mA HART Page 257 Current measurement 0 4 to 20 mA with 2 wire and 4 wire transducer high availability for application 7 Two process signals can be connected to a module in this interconnection variant The sensors can also be connected to an external sensor supply see Figure External sensor supply 2 wire tr...

Page 253: ...r after channel fault Passivate the entire module Passivate the channel Static Module HART_Gate Off On Can be switched Static Module Interference frequency suppression 50 Hz 60 Hz Static Module Evaluation of the sensors 1oo1 evaluation Static Channel Measuring range 4 to 20 mA 0 to 20 mA Static Channel F wire break detection activated deactivated in the 4 to 20 mA measuring range Static Channel Sm...

Page 254: ...mA HART Page 257 Current measurement 0 4 to 20 mA with 2 wire and 4 wire transducer transducer not redundant for application 8 Two process signals can be connected to two redundant modules in this interconnection variant Three sensors are connected to each module 2oo3 evaluation Sensor supply Vsn is provided by the module for 3 channels The sensors can also be connected to an external sensor suppl...

Page 255: ...eters Range of values in safety mode Type Effective range Diagnostic interrupt Activated deactivated Static Module Behavior after channel fault Passivate the entire module Passivate the channel Static Module HART_Gate Off On Can be switched Static Module Interference frequency suppression 50 Hz 60 Hz Static Module Evaluation of the sensors 1oo1 evaluation Static Channel Measuring range 4 to 20 mA ...

Page 256: ... HART Page 257 Current measurement 0 4 to 20 mA with 2 wire and 4 wire transducer for application 9 Six process signals can be connected to three redundant modules in this interconnection variant Sensor supply Vsn is provided by the module for 6 channels The sensors can also be connected to an external sensor supply see Figure External sensor supply 2 wire transducer for SM 336 F AI 6 x 0 4 20 mA ...

Page 257: ...oo1 evaluation Static Channel Measuring range 4 to 20 mA 0 to 20 mA Static Channel F wire break detection activated deactivated in the 4 to 20 mA measuring range Static Channel Smoothing 1 4 16 64 conversion cycles Static Channel HART function Activated deactivated Static Channel HART repetitions 0 to 255 Static Channel HART group diagnostics Activated deactivated Static Channel Discrepancy analys...

Page 258: ...dule No RAM error 3 9 Module No ADC DAC error 3 9 Module No Discrepancy error 5 6 Channel Yes Short circuit of sensor supply to L 3 9 Channel No Short circuit to M test occurs cyclically 3 9 Channel No Wire break 3 9 Channel Yes Value is above the overrange 3 9 Channel No Value is below the underrange 3 9 Channel No HART Primary variable outside the limits 3 9 Channel Yes HART Non primary variable...

Page 259: ...g time parameters Parameter assignment missing incorrect parameters in the module Startup of the fail safe signal module Excessive electromagnetic interference at times Eliminate the interference and Switch the supply voltage of the F CPU IM OFF ON Remove insert F SM or Switch external auxiliary voltage of F SM OFF ON Firmware update cancelation due to error If the error has gone out repeat the fi...

Page 260: ... voltage of F SM OFF ON Then repeat the firmware update Firmware update error Defective module Replace the module Firmware is faulty Firmware update was canceled Repeat the firmware update Firmware version inconsistent Supply voltage of module is missing Connect the module to the supply voltage and repeat the firmware update Discrepancy error Assigned tolerance window exceeded on expiration of the...

Page 261: ...ts or standard program accessing F SM Eliminate the interference F CPU has gone into STOP mode Read out the diagnostic buffer of the F CPU Communication error Inconsistent parameter assignment in HW Config and F program Recompile the project and download the S7 program again HART Primary variable outside the limits Assigned primary variable is outside the limits Incorrect parameters in the HART fi...

Page 262: ...The identifier for reassignment of HART field device parameters has been set in the HART field device status HART status bytes HART field device malfunction Error occurred in the HART field device Check parameter assignment Replace HART field device Faulty HART parameters transferred to module DS 131 136 Correct HART parameter data record HART parameter assignment error Error during dynamic parame...

Page 263: ...isted in pairs Max 1000 m Front connectors 20 pin Maximum achievable Safety Integrity Level in safety mode Single channel Dual channel According to IEC 61508 Max SIL 3 Max SIL 3 According to EN 954 1 Max Cat 3 Max Cat 4 According to ISO 13849 2006 PLe PLe Fail safe performance characteristics low demand mode average probability of failure on demand 1 00E 04 1 00E 05 high demand continuous mode pro...

Page 264: ...een the channels of a potential group No Permitted potential difference Between the potential groups 75 V DC 60 V AC Between the channels 0 1 2 or 3 4 5 of a potential group 75 V DC 60 V AC Insulation test voltage 370 V AC for 1 min Current consumption From backplane bus 90 mA maximum From supply voltage L without load Typ 150 mA Common mode voltage CMV Permitted common mode voltage between the in...

Page 265: ...dB Operational limit across the temperature range relative to measuring range end value of 20 mA 0 2 40 µA Basic error limit operational limit at 25 C relative to full scale value 20 mA 0 1 Temperature error relative to full scale value 20 mA 0 002 K Linearity error relative to full scale value 20 mA 0 01 Repeatability in steady state at 25 C relative to full scale value 20 mA 0 015 Influence of a...

Page 266: ...g against short circuit in case of external sensor supply e g melting fuse 62 mA FF Signal sensor connection For current measurement As 4 wire transducer Possible As 2 wire transducer Possible HART communication Monodrop multidrop operation Monodrop operation Primary secondary master Primary or secondary master Impedance of an input channel for HART communication 100 150 Ω For operation with an ex...

Page 267: ...ternal protective elements required Asymmetrical shield to PE 2 kV 1 2 50 μs To achieve failure criterion A according to IEC 61000 4 5 the repetition factor for HART communication must be set at a value greater than 0 In redundant operation the module with the higher start address is automatically the secondary master Note The maximum cable lengths currently specified in this manual ensure against...

Page 268: ...terrupt Activated deactiv ated Deactivated Behavior after channel faults Passivate the entire module Passivate the channel Passivate the entire module HART_Gate Off On Can be switched Off Interference frequency suppression 50 Hz 60 Hz 50 Hz Module Evaluation of the sensors 1oo1 evaluation 1oo2 evaluation deactivated 1oo1 evaluation Measuring range 4 20 mA 0 20 mA 4 20 mA F wire break detection Act...

Page 269: ...ing Smoothing is accomplished by the module calculating mean values derived from a defined number of converted digitized analog values You assign smoothing in 4 levels after 1 4 16 or 64 conversion cycles The grade determines the number of analog signals used for averaging If smoothing 1 conversion cycle is assigned the smoothing is deactivated A higher smoothing provides a more stable analog valu...

Page 270: ...rror If an error occurred during 1oo2 evaluation the maximum response time is calculated according to the following formula Maximum response time in case of discrepancy 2 Conversion cycle time Smoothing Discrepancy time 2 Conversion cycle time Where N represents the number of activated channel pairs Example one channel pair connected N 1 interference frequency 50 Hz smoothing 16 conversion cycles ...

Page 271: ...that represents the instantaneous standard value value that is signaled to the F CPU The tolerance window is formed relative to the process value or as an absolute value relative to the measuring range end value In addition a relative tolerance window and an absolute tolerance window can be combined If the process value does not represent the standard value at an instant and is within the toleranc...

Page 272: ...nger discrepant the discrepancy time is cleared and is restarted only when a new discrepancy is detected If the input channels are discrepant after startup or after a channel fault 7FFFH is output and the discrepancy time is started If the input channels are no longer discrepant when the discrepancy time expires the standard value is output and the channel fault must be acknowledged In this case a...

Page 273: ...place of 7FFFH In S7 F Systems the fail safe value is provided according to the F channel driver parameter assignment You calculate the maximum discrepancy time that is permitted in the respective application using the following formula Discrepancy time Maximum response time in case of discrepancy 2 Conversion cycle time Smoothing 2 Conversion cycle time Note Calculate the discrepancy time by inse...

Page 274: ...measuring range 0 20 mA IMA 4 mA for measuring range 4 20 mA T Tolerance in ΔIabs Maximum deviation of current You can assign a value of 0 2 to 20 for the Tolerance window absolute parameter for each channel pair W P W P 3URFHVV GDWD HYLDWLRQ LQ RI QRPLQDO UDQJH FDQ EH VHW IURP s WR 3URFHVV GDWD HYLDWLRQ LQ RI QRPLQDO UDQJH FDQ EH VHW IURP s WR 5DQJH EHWZHHQ GDVKHG OLQHV LV WKH WROHUDQFH ZLQGRZ RI...

Page 275: ...current using the following formula 7UHO 0 ෙ UHO s P With IEW Process standard value min max IMA 0 mA for measuring range 0 20 mA IMA 4 mA for measuring range 4 20 mA T Tolerance in ΔIrel Maximum deviation of current You can assign a value of 0 2 to 20 for the Tolerance window relative parameter for each channel pair P W P W 3URFHVV GDWD HYLDWLRQ IURP SURFHVV GDWD LQ GMXVWDEOH EHWZHHQ s DQG UHD EH...

Page 276: ...ce window absolute and Tolerance window relative parameters as needed The combined tolerance window shown in gray in the figure below is the maximum of Trel and Tabs T MAX Trel Tabs ΔI MAX ΔIrel ΔIabs Where in both formulas above T Tolerance in ΔI Maximum deviation of current W P W P 3URFHVV GDWD 3URFHVV GDWD 5DQJH EHWZHHQ GDVKHG OLQHV LV WKH WROHUDQFH ZLQGRZ RI D SURFHVV YDOXH 5DQJH EHWZHHQ GDVKH...

Page 277: ...lue 1 is within the tolerance range again before expiration of the discrepancy time This means the discrepancy is not signaled In this example on the second occurrence of a discrepancy process value 1 is outside the tolerance range when the discrepancy time expires As a result a discrepancy is signaled with 7FFFH after expiration of the discrepancy time In S7 Distributed Safety the fail safe value...

Page 278: ...d devices HART is a registered trademark of the HART Communication Foundation HCF who owns all rights for the HART protocol Note The SM 336 F AI 6 x 0 4 20 mA HART module supports the HART protocol version 5 to 6 9 3 16 2 Properties of HART What are the advantages of HART The use of HART analog modules offers the following advantages Connection compatible to analog modules current loop 4 to 20 mA ...

Page 279: ...rm of the transfer Transmission procedures Message structure Data formats Commands HART signal The following figure shows the analog signal with the HART signal modulated on it FSK technique The signal is composed of sine waves of 1200 Hz and 2200 Hz It can be filtered out using an input filter so that the original analog signal is available again P P P P QDORJ VLJQDO 7LPH VHFRQGV RPPDQG 5 5HSO 5 ...

Page 280: ...ield devices it is recommended that generally useable commands be supported In addition there are device specific commands which only apply to the specific field device Examples of HART parameters The following table shows HART parameters of various groups Table 9 27 Examples of HART parameters Parameter group Parameters of the HART field device universal Measuring and manipulated variable primary...

Page 281: ...ich the HART analog module acts as a server You also have the option to use the read write data record mechanisms Command Function 0 Reads the manufacturer and device type Because the SM 336 F AI 6 x 0 4 20 mA HART supports only the longframe command the unique hardware address of the field device must be known Check byte 0 in the replay data record As long as byte 0 0x03 the reply has not yet bee...

Page 282: ...s are created or interpreted by the HART parameter assignment tool SIMATIC PDM PDM Process Device Manager is available as a stand alone tool or as a tool integrated in HW Config An option package is used for the latter The analog values are entered in 16 bit format in the process input and output image STEP 7 SIMATIC PDM HART communicator You can assign the HART parameters either with an external ...

Page 283: ...dule at any one time multiplexes of the channels It is not possible to simultaneously directly access another channel of the same analog module See also HART for safety oriented applications Page 283 9 3 16 6 HART for safety oriented applications Introduction You assign the HART function in HW Config with the following parameters HART_Gate parameter You use the HART_Gate parameter to enable the HA...

Page 284: ...t generate the information as follows Set primarily the Enable HART communication signal if you enable the HART communication via IPAR_EN 1 Reset the Enable HART communication signal with a falling edge of the IPAR_OK variable This is necessary to ensure that the information is properly available even if communication errors occur while the HART communication is enabled with IPAR_EN 1 Only change ...

Page 285: ...ation in S7 F Systems Example of enabling HART communication in S7 Distributed Safety Network 1 Enable HART communication Network 2 Determination that HART communication is enabled CONDITION_1 Comment Comment EDGETRIGGERFLAG CONDITION_2 HART_COMM_ ENABLED N R S Q RS F00210_FAI6x15Bit_ HART IPAR_EN F00210_FAI6x15Bit_ HART IPAR_EN F00210_FAI6x15Bit_ HART IPAR_OK Figure 9 47 Example of enabling HART ...

Page 286: ...HART field device for the relevant channel of the module The parameter is not safety oriented i e it cannot be used for fail safe shutdown of HART communication The HART function parameter can only be assigned if the HART_Gate parameter On or Can be switched Activating HART according to the sensor used The use of HART communication in safety oriented applications is dependent on the HART capable s...

Page 287: ...in the PROFIBUS DP HART Profile Application Guideline The documentation indicated above is available from PI PROFIBUS International on the Internet at http www profibus com Table 9 28 Additional parameters of the HART analog modules Data record number Read write Size in bytes Description Read 21 Directory Process Data 148 DR information directory data record This data record contains the data reco...

Page 288: ...FC 52 REDREC Write data record SFC 53 WRREC For more information about the SFCs refer to the System Software for S7 300 400 System and Standard Functions http support automation siemens com WW view en 1214574 manual Overview of the user data The module has a user data area with the following content which is provided similarly for channels 0 to 5 Current as analog input value Relative addresses ar...

Page 289: ...nd 84 2 Reply 85 3 Command 86 3 Reply 87 4 Command 88 4 Reply 89 5 Command 90 5 Reply 91 After writing a command data record a client has to read the reply data record before writing another command data record From master class 2 e g SIMATIC PDM or the engineering system with PROFIBUS master the client can evaluate the processing status in the reply data record If the processing status is success...

Page 290: ...ted HART field device OO DOZD V 1XPEHU RI SUHDPEOH E WHV RPPDQG GDWD DFFRUGLQJ WR 57 VSHFLILFDWLRQ HQJWK WH FRXQW PD E WHV 7R WH WH WH WH Figure 9 48 Command data record of the HART analog module Notes on the command The same client cannot send another command before reading the reply to the previous command Notes on the reply When the reply data record is read you must make sure that a current re...

Page 291: ...J ZDLWLQJ H HFXWLQJ VXFFHVVIXO ZLWK GDWD VXFFHVVIXO ZLWKRXW GDWD IDXOW ZLWK GDWD IDXOW ZLWKRXW GDWD 3URFHVVLQJ VWDWXV 5HVSRQVH RQWURO 57 JURXS IDXOW GLVSOD V H WHQGHG UHVSRQVH FRQWURO VHH WDEOH 57 JURXS IDXOW GLVSOD V VHH WDEOH 57 SURWRFRO HUURU 3URFHVVLQJ VWDWXV 57 SURWRFRO HUURU IRU UHSO HUURU FRGH IURP ILHOG GHYLFH WR PRGXOH 5HSO GDWD DFFRUGLQJ WR 57 VSHFLILFDWLRQ 57 5HVSRQVH 7HOHJUDP HQJWK 0D ...

Page 292: ... data record 1 2nd HART status byte The HART command 48 provides you with further status information if required 1 HART communication error HART communication error entry in diagnostic data record 1 Here the field device has identified a communication error on receiving the command The error information is contained in the 1st HART status byte in the reply data record or diagnostic data record 1 T...

Page 293: ...ent output 5 Parameter assignment error 3 Command error 0 127 HART protocol Bit 7 0 4 Query error HART protocol Bit 7 1 Bit 0 Reserved Bit 1 Receive buffer overflow Bit 2 Reserved Bit 3 Checksum error Bit 4 Frame error Bit 5 Overflow error Bit 6 Parity error Bit 7 1 5 Reply error HART protocol Bit 7 1 Bit 0 GAP timeout Bit 1 Receive buffer overflow Bit 2 Timeout Bit 3 Checksum error Bit 4 Frame er...

Page 294: ...G 5HVHUYHG LW LV VHW E WKH FOLHQW DQG UHVHW E WKH 57 PRGXOH DIWHU HYDOXDWLRQ 2IIVHW IRU YHQGRU VSHFLILF SDUDPHWHUV DFFRUGLQJ WR 57 VSHFLILFDWLRQ 1XPEHU RI UHWULHV IRU 57 FRPPXQLFDWLRQ GHIDXOW 1XPEHU RI SUHDPEOH E WHV GHIDXOW LHOG GHYLFH PRGH DFFRUGLQJ WR 57 VSHFLILFDWLRQ OLHQW WLPHRXW LQ V V 57 1RW 57 3ULPDU 0DVWHU 6HFRQGDU 0DVWHU 57 JURXS GLDJQRVLV 21 57 JURXS GLDJQRVLV 2 Figure 9 50 Parameter da...

Page 295: ...data area from the process image and evaluate it in your user program For this purpose see Chapter F I O access in the S7 F FH Systems Configuring and Programming http support automation siemens com WW view en 16537972 or S7 Distributed Safety Configuring and Programming http support automation siemens com WW view en 22099875 manual 9DOXH LQ 6 IRUPDW 9DOXH LQ 6 IRUPDW 9DOXH LQ 6 IRUPDW QDORJ LQSXW...

Page 296: ...Analog modules 9 3 SM 336 F AI 6 x 0 4 20 mA HART Fail safe signal modules 296 Installation and Operating Manual 01 2010 A5E00085586 10 ...

Page 297: ...ress or supply diagnostic messages and is not assigned in STEP 7 Note When the safety protector is used your station achieves the limit values for surge resistance specified in the technical data using the overvoltage protection components specified in the S7 300 CPU 31xC and CPU 31x Hardware and Installation http support automation siemens com WW view en 13008499 Operating Instructions only if co...

Page 298: ... requirements refer to the chapter PELV for fail safe signal modules when operated for applications of safety class SIL2 Cat 3 PLd Front view R QRW UHPRYH ZLWK SRZHU RQ 6DIHW 3URWHFWRU 1LFKW XQWHU 6SDQQXQJ LHKHQ Figure 10 1 Front view of the safety protector Block diagram See the block diagram of the safety protector below DFNSODQH EXV LQWHUIDFH 2YHU YROWDJH SURWHFWLRQ DFNSODQH EXV LQWHUIDFH XVH F...

Page 299: ...in the installation manual http support automation siemens com WW view en 13008499 only with grounded operation If you operate a structure that does not require protective elements either if surge protection is not required for your structure or if you have implemented other safety measures you can create an ungrounded structure Configuration of S7 300 ET 200M with safety protector no hot swapping...

Page 300: ...e safety protector with the mounting rail using one cable each of the shortest possible length conductor cross section 1 5 mm2 Replacing modules in ET 200M when operating in safety mode You can hot swap all ET 200M submodules in a configuration with active bus modules with the exception of the safety protector WARNING The safety protector order no 6ES7195 7HG00 0XA0 must be inserted at all times w...

Page 301: ...even signal modules 1 2 3 4 5 6 Power supply IM 153 2 Standard signal modules Bus module for safety protector Safety protector Fail safe signal modules Figure 10 4 Configuration of ET 200M with safety protector on the active backplane bus Note Measures to be taken for overvoltage protection in safety mode Always insert the standard signal modules on the left side of the safety protector fail safe ...

Page 302: ...nd Operating Manual 01 2010 A5E00085586 10 10 4 Technical Specifications Overview Technical data Dimensions and Weight Dimensions W x H x D mm 40 x 125 x 120 Weight approx 230 g Module Specific Specifications Front connectors 20 pin Voltages currents potentials Power loss of the module none ...

Page 303: ...ata SFC number Identifier Application 59 RD_REC Reading data records of S7 diagnostics save to the data section of the default user program 13 DPNRM_DG Reading slave diagnostics data save to the data section of the default user program Position in the diagnostic message frame of slave diagnostics If the fail safe signal modules of ET 200M are operated in a distributed configuration and a diagnosti...

Page 304: ...tains 4 bytes of diagnostics data of the fail safe signal module which are also included in data record 0 and up to 25 bytes of channel specific diagnostics data Description The structure and content of the individual diagnostic data bytes are described below General rule The corresponding bit is set to 1 if an error is detected Bytes 0 and 1 The diagram below shows the contents of bytes 0 and 1 i...

Page 305: ...allation and Operating Manual 01 2010 A5E00085586 10 305 Bytes 2 and 3 The diagram below shows the contents of bytes 2 and 3 in diagnostics data WH WH RPPXQLFDWLRQ HUURU DWFKGRJ WLPHRXW QWHUQDO VXSSO YROWDJH RI WKH PRGXOH IDLOHG 3URFHVVRU IDLOXUH 3520 IDXOW 5 0 IDXOW HUURU Figure A 2 Diagnostics data bytes 2 and 3 ...

Page 306: ...o 6 The diagram below shows the contents of bytes 4 to 6 in diagnostics data 60 9 60 1 085 60 2 9 60 2 9 60 2 9 33 60 LW 60 P 57 WH WH WH 60 P 57 60 2 9 33 RWKHU KDQQHO W SH DLO VDIH GLJLWDO LQSXW PRGXOH DLO VDIH GLJLWDO RXWSXW PRGXOH DLO VDIH DQDORJ LQSXW PRGXOH 57 H WHQGHG 60 2 9 33 1XPEHU RI FKDQQHOV 1XPEHU RI FKDQQHO VSHFLILF IDXOWV Figure A 3 Diagnostics data bytes 4 and 6 ...

Page 307: ...f bytes 7 to 9 of the diagnostic data for the SM 326 DI 24 x DC 24V WH WH WH KDQQHO IDXOW KDQQHO IDXOW KDQQHO IDXOW KDQQHO IDXOW KDQQHO IDXOW KDQQHO IDXOW KDQQHO IDXOW KDQQHO IDXOW KDQQHO IDXOW KDQQHO IDXOW KDQQHO IDXOW KDQQHO IDXOW KDQQHO IDXOW KDQQHO IDXOW KDQQHO IDXOW KDQQHO IDXOW KDQQHO IDXOW KDQQHO IDXOW KDQQHO IDXOW KDQQHO IDXOW KDQQHO IDXOW KDQQHO IDXOW KDQQHO IDXOW KDQQHO IDXOW Figure A 4 ...

Page 308: ... x NAMUR WH KDQQHO IDXOW KDQQHO IDXOW KDQQHO IDXOW KDQQHO IDXOW KDQQHO IDXOW KDQQHO IDXOW KDQQHO IDXOW KDQQHO IDXOW Figure A 5 Diagnostics data byte 7 with SM 326 DI 8 x NAMUR Byte 7 with SM 326 DO 8 x DC 24V 2A PM The following figure shows the content of byte 7 of the diagnostic data for the SM 326 DO 8 x DC 24V 2A PM WH KDQQHO IDXOW KDQQHO IDXOW KDQQHO IDXOW KDQQHO IDXOW KDQQHO IDXOW KDQQHO IDX...

Page 309: ...309 Bytes 7 and 8 with SM 326 DO 10 x DC 24V 2A The following figure shows the content of bytes 7 and 8 of the diagnostic data for the SM 326 DO 10 x DC 24V 2A WH WH KDQQHO IDXOW KDQQHO IDXOW KDQQHO IDXOW KDQQHO IDXOW KDQQHO IDXOW KDQQHO IDXOW KDQQHO IDXOW KDQQHO IDXOW KDQQHO IDXOW KDQQHO IDXOW Figure A 7 Diagnostics data bytes 7 and 8 with SM 326 DO 10 x DC 24V 2A ...

Page 310: ...W FKDQQHO DXOW DW RXWSXW FKDQQHO DXOW DW RXWSXW FKDQQHO DXOW DW RXWSXW FKDQQHO DXOW DW RXWSXW FKDQQHO DXOW DW RXWSXW FKDQQHO DXOW DW RXWSXW FKDQQHO WH WH WH WH LUH EUHDN 3 RXWSXW GULYHU GHIHFWLYH QWHUQDO 3 VKRUW FLUFXLW WHUQDO 3 VKRUW FLUFXLW FURVV FLUFXLW QWHUQDO IDXOW LQ UHDG WHVW FLUFXLW 6KRUW FLUFXLW RI RXWSXW WR 0 RU GHIHFWLYH RXWSXW GULYHU 6ZLWFKLQJ UDWH H FHHGHG 2XWSXW GULYHU RYHUFXUUHQW DX...

Page 311: ...86 10 311 Byte 7 with SM 336 AI 6 x 13Bit The following figure shows the content of byte 7 of the diagnostic data for the SM 336 AI 6 x 13Bit WH KDQQHO IDLOXUH RQ FKDQQHO KDQQHO IDLOXUH RQ FKDQQHO KDQQHO IDLOXUH RQ FKDQQHO KDQQHO IDLOXUH RQ FKDQQHO KDQQHO IDLOXUH RQ FKDQQHO KDQQHO IDLOXUH RQ FKDQQHO Figure A 9 Diagnostics data byte 7 with SM 326 AI 6 x 13 Bit ...

Page 312: ... 1XPEHU RI VLPLODU FKDQQHOV RI D PRGXOH FKDQQHO VSHFLILF IDXOW H LVWV LI WKH IROORZLQJ LGHQWLILFDWLRQ 57 FRPPXQLFDWLRQ HUURU 6KRUW FLUFXLW FKDQQHO VSHFLILF HUURU IRU FKDQQHO LUH EUHDN 3ULPDU YDULDEOH PDLQ YDULDEOH RXWVLGH WKH OLPLWV 57 FRQILJXUDWLRQ FKDQJHG 57 ILHOG GHYLFH PDOIXQFWLRQ 1RQ SULPDU YDULDEOH RXWVLGH WKH OLPLWV 57 DQDORJ RXWSXW VDWXUDWHG ILHOG GHYLFH 57 DQDORJ RXWSXW IL HG FXUUHQW ILHO...

Page 313: ... Manual 01 2010 A5E00085586 10 313 Note Note the following regarding diagnostics data If a HART channel fault is set you receive additional information if you read in the status component HART status bytes in the HART reply data record for the corresponding client or the diagnostics data record for the corresponding channel with SFC 59 ...

Page 314: ...Diagnostics data of the signal modules A 2 Structure and Content of Diagnostic Data Fail safe signal modules 314 Installation and Operating Manual 01 2010 A5E00085586 10 ...

Page 315: ...l module The signal module dimensions are shown in the dimensional drawing below no hot swap functionality The signal modules may differ in terms of their appearance However the dimensions always remain the same 6 6 Figure B 1 Dimensional drawing of a signal module Figure B 2 Dimensional drawings SM 336 F AI 6 x 0 4 20mA HART and SM 326 F DO 10 x DC 24V 2A PP ...

Page 316: ...imensional drawing side view below shows a signal module with active bus module for hot swap functionality the S7 300 module and the Ex partition These dimensions apply to all signal modules on the active backplane bus 1 2 3 4 Mounting rail with insertion and removal fixture Active bus module S7 300 module Ex partition Figure B 3 Dimensional drawing of a signal module with active bus module ...

Page 317: ... of a safety protector See the dimensional drawing of a safety protector below R QRW UHPRYH ZLWK SRZHU RQ 6DIHW 3URWHFWRU 1LFKW XQWHU 6SDQ QXQJ LHKHQ Figure B 4 Dimensions of the safety protector Bus module for safety protector See the dimensional drawing of a bus module for safety protectors below Figure B 5 Dimensional drawing of the bus module for safety protectors ...

Page 318: ...Dimensional drawings B 2 Safety protector Fail safe signal modules 318 Installation and Operating Manual 01 2010 A5E00085586 10 ...

Page 319: ...RE SERVICE V6 0 128 TAGS FLOATING LICENSE 6ES7658 3JX06 0YA5 SOFTWARE S7 V6 0 128 TAGS FLOATING LICENSE 6ES7658 3KX06 0YA5 SOFTWARE PCS 7 V6 0 128 TAGS FLOATING LICENSE 6ES7658 3LX06 0YA5 Fail safe signal modules SM 326 DI 24 x DC 24V 6ES7326 1BK02 0AB0 SM 326 DI 8 x NAMUR 6ES7326 1RF00 0AB0 SM 326 DO 8 x DC 24V 2A PM 6ES7326 2BF41 0AB0 SM 326 DO 10 x DC 24V 2A 6ES7326 2BF01 0AB0 SM 326 F DO 10 x ...

Page 320: ...ction system 100 units 6ES7392 1AM00 1AB0 Spring loaded terminal connection system 1 unit 6ES7392 1BM00 0AA0 Spring loaded terminal connection system 100 units 6ES7392 1BM00 1AB0 Fast Connect connector 1 unit 6ES7392 1CM00 0AA0 Bus connector 6ES7390 0AA00 0AA0 Active bus module Bus module BM IM IM 7HD for redundancy with 2 x IM 153 2AA02 2AB01 6ES7195 7HD00 0XA0 Bus module BM IM IM 7HD for redunda...

Page 321: ... backplane bus For fail safe digital outputs The response time represents the interval between an incoming safety message frame from the backplane bus and the signal change at the digital output For fail safe analog inputs The response time results from the number of channels channel pairs the response time per channel channel pair the basic response time and in the case of SM 336 F AI 6 x 0 4 20 ...

Page 322: ...se time by inserting the maximum values derived from technical data of the fail safe signal modules in the formula shown earlier Maximum response time of SM 326 F DO 10 x DC 24V 2A PP Calculation of the response time of SM 326 F DO 10 x DC 24V 2A PP without active error and with active error Response time 2 internal preparation time MAX max read back time dark test max light test time 10 ms Exampl...

Page 323: ...hows the maximum response time of the SM 326 DI 24 x DC 24V when a fault occurs depending on the parameter assignment in STEP 7 and the evaluation of the sensors Table D 2 SM 326 DI 24 x DC 24V Maximum response time when a fault occurs Short circuit test parameter 1oo1 evaluation 1oo2 evaluation Short circuit test deactivated 31 ms 29 ms Short circuit test activated 31 ms 29 ms Response times with...

Page 324: ...represents the number of activated channels Example all channels connected N 6 interference frequency 50 Hz Response time 6 x 50 ms 50 ms 350 ms If an error occurred the response time is extended by the assigned discrepancy time if 2 sensors was assigned and the signal has no safe failure direction or the assigned standard value does not conform with the safe failure direction Note Calculate the m...

Page 325: ... Fault frequency 50 Hz Smoothing 1 conversion cycle discrepancy time 2000 ms 3 active channel pairs Maximum response time in case of discrepancy 2 125 ms 1 2000 ms 2 125 ms 2500 ms If a channel fault occurred the maximum response time is calculated according to the following formula Maximum response time in case of a channel fault 2 Conversion cycle time Example Fault frequency 50 Hz 3 active chan...

Page 326: ...Response times D 1 Response Times Fail safe signal modules 326 Installation and Operating Manual 01 2010 A5E00085586 10 ...

Page 327: ...es diodes are interconnected with low current loads with capacitive element Reason insufficient discharge of capacitance within the 1 ms readback time during self test The figures below show a typical curve representing the correlation between load impedance and switchable load capacitance for a supply voltage of 24V DC Switching behavior SM 326 DO 10 x DC 24V 2A RDG FXUUHQW LQ P DSDFLWDQFH LQ Fig...

Page 328: ...e operating point lies above the curve you must do one of the following Increase the load current by connecting a resistor in parallel until the new operating point is below the curve Use the output with series diode Switching behavior SM 326 F DO 10 x DC 24V 2A PP RDG FXUUHQW LQ P QGXFWDQFH LQ 1 2 3 4 5 6 7 8 9 0 1 Hz 1 Hz 10 Hz 0 2 Hz 2 Hz 20 Hz 0 5 Hz 5 Hz 30 Hz Figure E 2 Max permitted inducti...

Page 329: ...LYH ORDG SDUW LQ RDG FXUUHQW LQ P 10 11 12 13 14 9 1 2 3 4 5 6 7 8 Assigned max read back time for dark test 400 ms 50 ms 1 ms 200 ms 10 ms 0 6 ms 100 ms 5 ms Assigned max light test time Deactivated 3 ms 0 9 ms 5 ms 2 ms 0 6 ms Figure E 3 Max permitted capacitive load depending on max light test time and max read back time dark test ...

Page 330: ...Switching capacitive and inductive loads Fail safe signal modules 330 Installation and Operating Manual 01 2010 A5E00085586 10 ...

Page 331: ...ut signals undergo a 2oo3 evaluation in the safety program with a F_2oo3AI block in S7 F Systems Acknowledgment time Interval within which the F I O acknowledges the sign of life signal output by the F CPU The acknowledgment time is included in the calculation of the monitoring time and response time of the entire F system Actuator Denotes for example power relays or relay contactors for switching...

Page 332: ...istributed I O Process execution is interrupted for the duration of a brief assignable period The process inputs retain their last value during this period CiR is only possible in deactivated safety mode Configuring Systematic arrangement of the signal modules configuration CRC Cyclic Redundancy Check CRC signature check CRC Signature The process data in the safety message frame the address correl...

Page 333: ...assigned discrepancy time is too long the fault detection time and fault reaction time are prolonged unnecessarily If the assigned discrepancy time is too short availability is reduced unnecessarily as a discrepancy error which in actual fact does not exist is reported F monitoring time PROFIsafe monitoring time Fail safe signal modules S7 300 signal modules that support safety oriented operation ...

Page 334: ...stems F systems Available I O ET 200eco fail safe I O module S7 300 fail safe signal modules F SMs ET 200S fail safe modules Fail safe DP standard slaves Frequency shift keying FSK Data modulation technique suitable for data transport over standard lines Two audio frequencies are used in order to encode the binary 0 and 1 in the frequency range of 300 3000 Hz In the HART protocol the FSK signal is...

Page 335: ...rminals The HART communicator is used to assign the HART parameters HART field device Intelligent field device furnished with a HART compatible additional function that allows it to understand HART communication HART interface Part of a system that can be used to connect a HART field device The HART interface represents the master for the field device However the HART interface acts as a slave to ...

Page 336: ...t consists of the first and second status bytes of the HART reply and that the HART field device uses to provide information regarding the HART communication the receipt of the HART command and the device status HART transfer area Area of data records that is specified in the HART analog modules for writing HART commands and reading HART replies The HART transfer area consists of data records A se...

Page 337: ... Module fault Module faults may be caused by external faults for example missing load voltage or by internal faults for example processor failure Internal faults always require module replacement Module redundancy A module and a second identical module are operated in redundant mode in order to enhance availability Monitoring time PROFIsafe monitoring time Monodrop In a monodrop communication syst...

Page 338: ...outputs are passivated the F system returns fail safe values to the fail safe outputs 0 instead of the output values returned by the safety program PG Programming device Compact PC designed for use in industry A programming device is fully equipped for programming SIMATIC automation systems Process image The process image is a part of CPU system memory The signal states of the input modules are tr...

Page 339: ...work of PROFINET PROFINET IO is a communication concept for the implementation of modular distributed applications PROFINET IO allows you to create automation solutions familiar from PROFIBUS PROFINET IO is implemented based on both the PROFINET standard for automation devices and the STEP 7 engineering tool This means that you have the same application view in STEP 7 regardless of whether you are...

Page 340: ...y safety enhancing Multiple availability of components with the focus set on exposing hardware faults based on comparison for example 1oo2 evaluation in fail safe signal modules Redundant switched I O Configuration variant of S7 FH Systems in safety mode for enhancing availability F CPU PROFIBUS DP and F I O are redundant The F I O may no longer be available when in error state Reintegration After...

Page 341: ... state at all process variables forms the basic principle of the safety concept in fail safe systems A 0 value represents the safe state at digital signal modules for example Safety function Integrated mechanism of the F CPU and F I O that enables operation in S7 Distributed Safety or S7 F FH Systems fail safe systems To IEC 61508 Function implemented by means of a safety system for maintaining or...

Page 342: ...ock F_2oo3AI Single channel I O Configuration variant of S7 Distributed Safety S7 F FH Systems in safety mode F CPU undo F I O are redundant The F I O is no longer available when in error state Single channel switched I O Configuration variant of S7 FH Systems in safety mode for enhancing availability The F CPU is redundant F I O is not redundant the system changes to the partner F CPU when a faul...

Page 343: ...cation participants also switches can now be connected to the other ports of the switch The connection between a communication participant and the switch remains a point to point connection This means a switch regenerates and distributes the signals it receives The switch learns the Ethernet address es of a connected PROFINET device or other switches and forwards only those signals that are intend...

Page 344: ...Glossary Fail safe signal modules 344 Installation and Operating Manual 01 2010 A5E00085586 10 ...

Page 345: ...arameters 27 Availability depending on the F I O used 22 Enhanced 26 B Basic knowledge Required 3 C Cable guide 105 109 Capacitive loads Switching 327 Categories 3 and 4 16 Category 22 Causes of the problem at SM 326 DI 24 x DC 24V 100 at SM 326 DO 8 x DC 24V 2A PM 135 for SM 326 DI 8 x NAMUR 122 SM 336 AI 6 x 13Bit 216 with SM 326 DO 10 x DC 24V 2A 153 with SM 326 F DO 10 x DC 24V 2A PP 175 CE ap...

Page 346: ...36 312 Reading 303 Signal modules 303 Structure and contents 304 Diagnostics functions 56 Diagnostics LEDs 57 Diagnostics of the HART analog module Data record format 288 Diagnostics using the LED display 56 Digital modules 73 Dimensional drawing of a safety protector 317 Dimensional drawing of the bus module for safety protectors 317 Dimensional drawing of the signal module 315 DIP switch 35 Disc...

Page 347: ...RT command 290 Data record format 290 HART communication 289 Data record format 289 Rule 289 HART parameters entering 282 Example 280 HART reply 292 Checks 292 Data record format 291 Processing status 290 HART signal superimposed 279 HART status bytes 292 Hazardous Area 105 I I M data 30 IE PB Link 18 IEC 1131 61 IEC 61508 16 Input area User data 295 Input delay 323 Insertion removal 46 Interferen...

Page 348: ...y extra low voltage SELV 44 Safety Integrity Level 16 Safety mode 15 16 38 Replacing modules 46 300 Setting 35 38 Safety protector 22 Block diagram 298 Configuration in ET 200M S7 300 299 Front view 298 Order number 297 Technical data 302 Scope Of this manual 3 Sensor Requirements 47 Sensor signal Duration requirements 48 Sensor supply internal 90 Service Support on the Internet 8 SFC Data record ...

Page 349: ...rs 164 Diagnostic messages 174 Order number 161 Properties 161 Wiring and block diagram 164 SM 336 AI 6 x 13Bit 216 Address assignment 185 Causes of the problem and corrective measures 216 Channel numbers 186 Diagnostic messages 215 External sensor supply 187 Front view 185 Order number 184 Properties 184 Wiring and block diagram 186 Smoothing of analog input values 269 Software requirements 25 St...

Page 350: ...Index Fail safe signal modules 350 Installation and Operating Manual 01 2010 A5E00085586 10 V Vibration 69 Voltages Rated 70 W Wire break 183 223 Wiring 80 ...

Page 351: ...ill out this questionnaire and return it to me by Fax e mail or by post We are giving out three presents every month in a raffle among the senders Which present would you like to have SIMATIC Manual Collection Automation Value Card Laser pointer Dr Thomas Rubach Head of Information Documentation General Questions 1 Are you familiar with the SIMATIC Manual Collection yes no 2 Have you ever download...

Page 352: ...rch search Which search method do you prefer Table of contents Index Full text search others Which supplements improvements would you like in order to help you find the required information quickly 3 Your judgement of the document as regards content How satisfied are you with this document Totally satisfied not very satisfied Very satisfied not satisfied Satisfied Were able to find the required in...

Page 353: ... 8 x DC 24V 2A PM folgende Besonderheiten Wenn Sie im zentralen Aufbau die CPU 31xF 2 DP und CPU 31xF 2 PN DP in Verbindung mit den fehlersicheren Baugruppen SM 326 DI 24 x DC 24V bzw SM 326 DO 8 x DC 24V 2A PM in Applikationen betreiben welche Normenanforderungen nach EN298 Feuerungsautomaten für Gasbrenner und Gasgeräte mit oder ohne Gebläse und IEC 61326 3 2 Elektrische Mess Steuer Regel und La...

Page 354: ...hich have standard requirements to EN298 Automatic gas burner control systems for gas burners and gas burning appliances with or without fans and IEC 61326 3 2 Electrical equipment for measurement control and laboratory use note the following features With the surge protection components specified in the installation manual the CPU can attain the limit values for surge immunity as specified in the...

Page 355: ...s applications devant remplir des exigences selon les normes EN298 Systèmes automatiques de commande et de sécurité pour brûleurs et appareils avec ou sans ventilateur utilisant des combustibles gazeux et CEI 61326 3 2 Matériel électrique de mesure de commande et de laboratoire La CPU S7 300 équipée des composants de protection contre les surtensions décrits dans le manuel de mise en œuvre n attei...

Page 356: ...Product Information 4 A5E03004206 01 ...

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