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Safety instructions

This manual contains instructions which you must observe for your own safety and to avoid
material damage. The instructions are signaled by a warning triangle and are presented as
follows according to the degree of danger:

!

Danger

Means that failure to take the necessary safety precautions

will

result in death,

serious injury or significant material damage.

!

Warning

Means that failure to take the necessary safety precautions

can

result in death,

serious injury or significant material damage.

!

Caution

Means that failure to take the necessary safety precautions can result in a minor
injury or material damage.

Caution

Means that failure to take the necessary safety precautions can result in
material damage.

Attention

Refers to important information about the product, the handling of the product or
the respective part of the documentation to which special attention should be given.

Qualified personnel

The commissioning and operation of a device may only be performed by

qualified personnel

. In the context of the

safety instructions in this manual, qualified personnel means persons who have the authorization to commission,
ground, and certify devices, systems, and power circuits in accordance with the applicable safety standards.

Proper use

!

Warning

The device may only be used for the applications described in the catalog and the technical
description and only in conjunction with external devices and modules that are approved or
recommended by Siemens.
Fault-free and safe operation of the product depends on proper transport, storage, assembly, and
installation as well as careful operation and maintenance.

Brand names/Trademarks

SIWAREX®, SIMATIC®, SIMATIC HMI®, and SIMATIC NET® are trademarks of Siemens AG.
The other designations in this text may be trademarks the use of which by third persons for their
own purposes might infringe proprietor rights.

Copyright

©

Siemens AG 2012 All rights reserved

The circulation and reproduction of this document and the
application and disclosure of its contents is not permitted
unless expressly authorized. Offenders will be liable for
damages. All rights reserved, including rights created by
granting of patents or registration of a utility model or design.

Siemens AG
Automation & Drives Dept.
SIWAREX Weighing Systems
I IA SC PI 2 WT
Östliche Rheinbrückenstr. 50
76187 Karlsruhe, Germany

Disclaimer

We have tested the contents of this document for compatibility

with the hardware and software described. This does not

exclude the possibility of discrepancies, in which case we do

not guarantee the complete compatibility of this document. The

information in this document is assessed regularly and any

necessary corrections are included in the next revision.

We are grateful for any suggestions for improvement.

© Siemens AG 2012

Subject to change without notice.

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SIWAREX U

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Summary of Contents for Siwarex U

Page 1: ...SIWAREX U Device manual Version 01 2012 For modules with order number 7MH4950 1AA01 and 7MH4950 2AA01 ...

Page 2: ...cations described in the catalog and the technical description and only in conjunction with external devices and modules that are approved or recommended by Siemens Fault free and safe operation of the product depends on proper transport storage assembly and installation as well as careful operation and maintenance Brand names Trademarks SIWAREX SIMATIC SIMATIC HMI and SIMATIC NET are trademarks o...

Page 3: ...agnostics 7 Communication in SIMATIC S7 8 Communication with other systems 9 Remote display 10 Setting the scale SIWATOOL U 11 Order numbers and accessories 12 Technical data 13 Index 14 SIWAREX U Universal weighing module for SIMATIC S7 300 and ET 200M Technical manual for modules with order number 7MH4950 1AA01 and 7MH4950 2AA01 Abbreviations 15 Version 01 2012 SIWAREX U v ...

Page 4: ...5 Load cell connection 4 16 4 4 6 Connection of the Siebert digital remote display 4 21 4 4 7 Connection of the PC for SIWATOOL U 4 23 4 5 PREPARING FOR OPERATION 4 24 4 6 USAGE IN EX ZONES 4 24 5 Weighing functions 5 26 5 1 GENERAL INFORMATION 5 26 5 2 DR3 ADJUSTMENT PARAMETERS CHANNEL 1 DR 4 ADJUSTMENT PARAMETERS CHANNEL 2 5 26 5 2 1 DR3 4 Zero set value 5 27 5 2 2 DR3 4 Characteristic value ran...

Page 5: ... S7 8 51 8 1 GENERAL INFORMATION 8 51 8 2 SIWAREX U IN THE HW CONFIGURATION 8 51 8 3 SIWAREX U IN THE CYCLICAL STEP 7 PROGRAM 8 52 8 4 CALL PARAMETERS OF THE FB SIWA_U 8 53 8 4 1 ADDR 256 input INT 8 53 8 4 2 DB_SCALE 9 input INT 8 53 8 4 3 DB_VECTOR 8 input INT 8 53 8 4 4 CMD_IN DB_SIWA_U i_CMD_INPUT input INT 8 53 8 4 5 CMD_INPR DB_SIWA_U bo_CMD_IN_PROGRESS Output BOOL 8 53 8 4 6 CMD_FOK DB_SIWA...

Page 6: ...ibility 13 77 13 10 3 Climatical requirements 13 78 14 Index 14 79 15 Abbreviations 15 81 Illustrations FIGURE 3 1 SYSTEM OVERVIEW WITH SIWAREX U 3 6 U FIGURE 3 2 AREAS OF APPLICATION OF SIWAREX MODULES IN THE PRODUCTION CHAIN 3 7 FIGURE 3 3 TYPICAL CONFIGURATION SIMATIC S7 WITH SIWAREX U 3 8 FIGURE 3 4 SIWATOOL U OVERVIEW 3 9 FIGURE 4 1 SIWAREX U FRONT VIEW FLAP OPEN 4 14 FIGURE 4 2 INSTALLATION ...

Page 7: ...1 TABLE 6 2 COMMAND GROUPS OF SIWAREX U 6 42 TABLE 7 1 CONTENT OF DS0 7 45 TABLE 7 2 CONTENT OF DS1 7 46 TABLE 7 3 LIST OF DATA AND COMMAND ERRORS 7 48 TABLE 7 4 LIST OF OPERATING MESSAGES 7 49 TABLE 7 5 LIST OF LED MESSAGES 7 50 TABLE 8 1 ALLOCATION OF THE PERIPHERAL AREA 8 57 TABLE 9 1 CONTENT OF THE STATUS BYTE 9 59 TABLE 9 2 BYTE FOR TASK CONTROLLING 9 59 TABLE 9 3 ASSIGNMENT OF THE PERIPHERAL...

Page 8: ......

Page 9: ...ich have been produced since October 2007 Model Name Order number From product revision Version SIWAREX U SIWAREX U 7MH4950 1AA01 7MH4950 2AA01 HW 1 0 FW 1 1 Table 1 1 Scope of this manual Note The manual describes the weighing electronics SIWAREX U as part of the system SIMATIC S7 300 and ET 200M and is to be used in addition to the SIMATIC manuals Note This manual contains the description of the...

Page 10: ...tion of the data exchange with the SIMATIC CPU This chapter is meant for those who write application software 9 Communication with other systems Description of the communication with other automation systems 10 Remote display Connection to remote display Siebert S102 11 Setting the scale SIWATOOL U Description of The software installation The software functions 12 Order numbers and accessories Ord...

Page 11: ...evice manuals in several languages Quick Guides for fast commissioning For the first programming steps the software Getting Started is very helpful It can be found on the delivery CD or can be obtained for free on the Internet http www siemens com siwarex To configure SIWAREX U in SIMATIC PCS7 you need the configuration package SIWAREX U for SIMATIC PCS7 with the order number 7MH4 950 3AK61 which ...

Page 12: ...number 7MH4950 AA01 is possible without any difficulty Newly implemented was the possibility with the modules 7MH4950 AA01 to process the communication with the SIMATIC CPU alternatively via a function block which is prepared in the project Getting Started The functioning of the new function block has already proven itself with the SIWAREX modules SIWAREX FTA SIWAREX FTC SIWAREX CS The program SIW...

Page 13: ...OFINET o Measurement of weight or force with high resolution of 16 bits o High accuracy 0 05 o High measurement rate of 50 Hz o Monitoring of limit values o Flexible adaptation to different requirements with SIMATIC control o Simple setting of the scale with the program SIWATOOL U via the RS 232 port o Theoretical adjustment possible without adjustment weights o Replacement of the module possible ...

Page 14: ...in SIMATIC S7 300 or for peripheral operation via ET 200M In this way SIWAREX U can also work together with SIMATIC S7 400 and other automation systems The installation and wiring outlay for the module is very small The connection of the load cells of the power supply and of the serial ports is performed via the 20 pin front connector With the operation of SIWAREX U in SIMATIC there is a complete ...

Page 15: ...thout adjustment weights as well as module replacement without a new adjustment of the scale SIWAREX U possesses two serial ports The TTY port is for the connection of digital remote displays A PC can be connected to the RS 232 port for the setting of SIWAREX U The weighing module SIWAREX U can also be used in areas with a risk of explosion Zone 2 Via an optional Ex interface SIWAREX IS the load c...

Page 16: ...elevant combination of the SIMATIC modules optimal solutions can be found for small medium sized and large systems With the aid of the configuration package and sample applications for SIMATIC customer specific sector specific solutions can be developed very quickly The following picture shows a typical combination for a medium sized system Figure 3 3 Typical configuration SIMATIC S7 with SIWAREX ...

Page 17: ...le independently of the automation system with the aid of the PC The diagnostic information readout from SIWAREX U is very helpful for analyzing events The following picture shows the layout of the individual program windows Figure 3 4 SIWATOOL U overview SIWATOOL U doesn t just support you in the setting of the scale The feature of analyzing the diagnostic buffer which can be saved after the read...

Page 18: ...device was developed manufactured tested and documented observing the relevant safety standards Under normal circumstances the device presents no danger as regards material damage or the health of persons Danger Commissioning is not permitted until it has been established that the machine in which these components are to be installed meets the requirements of Directive 89 392 EEC 4 1 Configuring t...

Page 19: ...device which has to reliably measure the smallest of signals approx 1 μV For this reason professional installation and wiring is absolutely necessary for fault free operation 4 2 1 Definition EMC EMC electromagnetic compatibility describes the ability of an electrical device to function fault free in a specific electromagnetic environment without either being influenced by the environment or undul...

Page 20: ...nded well and extensively see following sections Connect all inactive metal parts extensively and with low impedance with ground large cross sections Perform bolt connections on lacquered or anodized metal parts either with special contact disks or remove the insulating protective layers at the contact points Do not use aluminum components for ground connections if at all possible Aluminum oxidize...

Page 21: ...cabinets or housings in the immediate vicinity of your controls Rule 5 Uniform reference potential Create a uniform reference potential and ground all electrical equipment Lay sufficiently dimensioned potential equalization conductors when there are potential differences between parts in your system or where these are anticipated For explosion applications potential equalization is absolutely nece...

Page 22: ...shield support for the shielded lines Only correct assembly ensures the interference immunity of the system A line is shielded in order to weaken the effect of magnetic electric and electromagnetic interference on the line Interference on cable shielding is routed to ground through shield rails that are conductively connected with the housing To ensure that this interference does not in turn becom...

Page 23: ...5 cm of the cable insulation is to be cut out of the place which is to be laid The bare shield is then to be pressed tight against the shield connection element with the shield clamp The following figure shows the mounting of the shield clamps Figure 4 2 Installation diagram for the shield clamps The shield should be pressed against the shield rail by means of the shield clamp 4 4 3 Connections at...

Page 24: ... and meet the following conditions can be connected to SIWAREX U Characteristic value 1 4 mV V Supply voltage of 6 V is permissible Use the 20 pin front connector to connect to the supply voltage The connection should be made with the cable described in the chapter Order numbers and accessories The cable was developed especially for the connection of load cells Terminal Signal name Remarks 15 SENS...

Page 25: ...parallel 2 If the distance between the LC and SIWAREX U is larger than the obtainable length of the LC connection cable then you must use extension box EB 3 The cable shield is normally run on the cable guide supports of the junction box Where there is a danger of potential equalization currents via the cable shield a potential equalization conductor is to be laid parallel to the load cell cable o...

Page 26: ...3BHARDWARE CONFIGURATION AND INSTALLATION Measurement voltage line and Supply voltage line and Figure 4 4 Pairs of conductors in the shielded cable 4 18 SIWAREX U ...

Page 27: ...ATION 4 On SIWAREX U the shield must be laid on the shield connection element Figure 4 5 Example Mounting of shield clamps on module The following two diagrams show the load cell connection in the 4 wire and 6 wire systems SIWAREX U 4 19 ...

Page 28: ...3BHARDWARE CONFIGURATION AND INSTALLATION Figure 4 6 Load cell connection 4 wire system Figure 4 7 Load cell connection 6 wire system 4 20 SIWAREX U ...

Page 29: ...ert digital remote display The Siebert display Model S102 can be connected to the TTY port Connection in the terminal block Signal name Remarks 6 TXD2 7 TXD2 Figure 4 8 Connection of the Siebert S102 remote display Figure 4 9 Connection of the S102 display SIWAREX U 4 21 ...

Page 30: ...3BHARDWARE CONFIGURATION AND INSTALLATION Figure 4 10 Connection of two S102 displays 4 22 SIWAREX U ...

Page 31: ...nnecting line 7MH4 607 8CA conductor name RxD 4 GND1 When using the connecting line 7MH4 607 8CA conductor name GND 5 TXD1 When using the connecting line 7MH4 607 8CA conductor name TxD Table 4 5 Connection of the PC Ready made connecting cables are available for connecting the PC see Order numbers and accessories Figure 4 11 Connection of the PC SIWAREX U 4 23 ...

Page 32: ...t Is the profile rail connected to the ground contact Are all tools materials and parts not belonging to S7 or to SIWAREX U removed from the modules Turning on 24 V Switch on power supply LED checks on SIWAREX U After switching the 24V supply voltage on and a short initialization phase internal tests the SIWAREX U goes into operational state LED SF system fault must be in OFF state 4 6 Usage in Ex...

Page 33: ...e can be used in Class I Division 2 Groups A B C D or non Ex areas Connection of load cells to SIWAREX U Load cells located in Zone 1 or Zone 2 can be connected to SIWAREX U For a connection of load cells in Zone 2 it is sufficient when the load cells also have an authorization for Zone 2 and all relevant guidelines and assembly instructions are observed For a connection of load cells in Zone 1 th...

Page 34: ...cription the weighing functions affected by the parameters are described at the same time The parameters of a data record are shown in a table to start with This is then followed by the precise parameter description for the parameters of this data set After receiving new parameters SIWAREX U runs a plausibility test If a parameter error occurs the data set will not be accepted by SIWAREX U not sav...

Page 35: ...since the maximum number of write cycles of an EEPROMS is limited to 100 000 When transferring DR3 or DR4 with a pre assigned zero set value the saving always occurs in the EEPROM memory 5 2 2 DR3 4 Characteristic value range LC low pass filter mean value filter setting data Dependent on the characteristic value of the connected load cells the value 1 mV V 2mV V or 4 mV V must be selected Since SI...

Page 36: ...frequency the quickness of the reaction of the scale to the change of the measured value is determined For example a value of 5 Hz leads to a relatively rapid reaction of the scale to a change in weight a value of 0 5 Hz makes the scale more sluggish The mean value filter is used to calm the weight value when there is incidental interference The weight value is formed afresh every 20 ms from the l...

Page 37: ...z 1 0 1 Cutoff frequency 0 2 Hz 1 1 0 Cutoff frequency 0 1 Hz 1 1 1 Cutoff frequency 0 05 Hz Mean value filter 0 No mean value filter default 1 Mean value filter switched on 30x20ms Memory goal only relevant for limit values and zero set value via set to zero command 0 Carry over into EEPROM default 1 Keep in RAM only Operational state channel 0 Channel switched on default 1 Channel switched off d...

Page 38: ...ement range the second operating point can be determined The new digital value from the analog digital converter is now assigned the calibration weight Ensure that the difference between two adjustment weights is at least 5 of the measurement range The adjustment consists of the following steps Define the adjustment weight and other parameters of the data record DR3 or DR4 Send DR3 or DR4 to the s...

Page 39: ...ent Option 1 After commissioning and adjustment all data records for the scale are read out of SIWAREX U and saved as a scale file ScaleX SWU Identical scales can now be put into operation immediately Connect the PC to the new scale and activate the Send all data records function The adjustment weights and adjustment digits are also transferred in the process the characteristic curve is immediatel...

Page 40: ...cells with 1000 kg each produce a rated load of 3000 kg Then the adjustment zero offset unit μV V and the characteristic value unit mV V for each individual load cell is entered These values are taken from the respective load cell measurement log The characteristic value is generally entered with up to 5 decimal places e g 2 01201 After the entry of the data for each load cell the adjustment digit...

Page 41: ... and modify as necessary o Send DR 5 to the scale Name Model Length Default Range of values Meaning Module numbers BYTE 1 0 Each module can be assigned a module number Port parameters BYTE 1 0 This setting is valid both for the RS232 port and the TTY port The baud rate is fixed at 9600 bit s Bit no reset set 0 with parity bit default without parity bit 1 parity even default parity odd 2 7 reserve ...

Page 42: ...inst the number saved in the SIWAREX module while establishing an online connection Establishing a connection is only possible when the number in SIWATOOL U matches that of the module or when the number 0 is specified This module number only serves information purposes from SIWATOOL U Version 2 0 on or for modules with order number 7MH4950 The online connection is established in every case 5 4 2 D...

Page 43: ...r Channel 1 5 5 DR 6 Output values for the remote display In DR6 values currently to be output are specified for the remote display o Check all parameters and modify as necessary o Send DR 6 to the scale Name Model Length Default Range of values Meaning Value 1 for display INT 2 0 Value to be displayed on the Siebert remote display set to Address 1 Value 2 for display INT 2 0 Value to be displayed...

Page 44: ...or the limit values are parameterized Procedure o Check all parameters and modify as necessary o Send DR 21 and or DR 22 to the scale Name Model Length Default Range of values Meaning Activation value Limit value 1 SHORT 2 400 Activation point limit value 1 Deactivation value Limit value 1 SHORT 2 220 Deactivation point limit value 1 Activation value Limit value 2 SHORT 2 1000 Activation point lim...

Page 45: ...off weight limit value 1 See Switch on weight limit value 1 5 7 3 DR 21 22 switch on weight limit value 2 See Switch on weight limit value 1 5 7 4 DR 21 22 cut off weight limit value 2 See Switch on weight limit value 1 5 8 DR 31 Process values channel 1 DR 32 process values channel 2 In data record DR31 the current process values of measurement channel 1 are displayed The design of DR32 is identi...

Page 46: ...e last action a data or command error occurred 2 Limit value 1 active 1 limit value 1 is activated 3 Limit value 2 active 1 limit value 2 is activated 4 Adjusted 1 scale is already adjusted 5 Measured value toggle bit Measured value toggle bit is inverted with each new measured value 6 Live bit Live bit is set or reset according to specification I O communication only 7 Command acknowledgement Com...

Page 47: ...uted as distance between adjustment points is too small See message list Chapter 7 7 1 1 instruction could not be executed due to fault See message list Chapter 7 7 2 1 a non existent or inactive channel was addressed See message list Chapter 7 7 3 1 code not defined e g cutoff frequency digital filter etc See message list Chapter 7 7 4 1 data record command unknown See message list Chapter 7 7 5 ...

Page 48: ...4BWEIGHING FUNCTIONS The information in data record 40 serves the purpose of identifying the module the hardware and the firmware 5 40 SIWAREX U ...

Page 49: ...n Remarks 1 Adjustment command adjustment zero valid Adjustment zero command valid activates calibration mode The start of the characteristic curve adjustment zero of the scale is defined with the momentary dead load Transfer via DR11 for channel 1 Transfer via DR12 for channel 2 2 Adjustment command adjustment weight 1 valid The first adjustment point is determined by the momentary weight of the ...

Page 50: ...s to the list in Table 6 1 Command list of SIWAREX U though increased by 100 The numbers for existing commands are permissible 101 102 103 105 109 The command 109 corresponds to the command 0 clear synchr Error bits for channel 2 203 240 Reading of a data record 3 40 The numbers for existing data records are permissible 403 422 Writing of a data record 3 22 The numbers for existing data records ar...

Page 51: ...to the module and the acceptance of the data package by the module is refused These are command errors if the module in the current operating status cannot execute the given command The status bits see Chapter 5 8 2 on the other hand are not error messages at all The status describe the status of the scale in normal operation and can be monitored evaluated at any time 7 2 Message paths The SIWAREX...

Page 52: ...itional errors in the working of the SIWA_U FB are reported see Chapter 8 Communication in SIMATIC S7 7 5 Detecting messages with the aid of the diagnostic alarms in the SIMATIC CPU 7 5 1 Evaluating the diagnostic alarm with OB82 With the aid of the evaluation of the diagnostic alarms the operating messages hardware faults can be detected in the SIMATIC CPU In the case of enabled diagnostic alarm ...

Page 53: ...o 3 Component class 0101 analog component 0000 CPU 1000 function component SIWAREX U 1100 CP 1111 digital component 4 Channel info present 5 User information present 6 not used always 0 7 not used always 0 2 0 not used always 0 1 not used always 0 2 not used always 0 3 Watchdog error 4 not used always 0 5 not used always 0 6 not used always 0 7 not used always 0 3 0 not used always 0 1 not used al...

Page 54: ...g range exceeded 10 15 Not allocated factory setting 0 Table 7 2 Content of DS1 7 5 2 Diagnosis by means of the data set DS31 32 Alternatively operating faults can also be determined by reading data sets DS31 32 e g in the case of disabled diagnostic alarm It should be noted here however that brief errors may not be detected under certain circumstances when the duration of the error is short relat...

Page 55: ...ock the time indications given are relative to the time the SIWAREX U component was switched on No entries are made for the date Figure 7 1 Component status in SIMATIC Manager 7 6 Process alarms Process alarms are used to detect the status change of the limit values In OB40 the status change in the local data byte 8 is recorded Bit 0 Channel 1 limit value 1 comes Bit 1 Channel 1 limit value 1 goes...

Page 56: ...ord does not exist 5 Command not possible because scale is not adjusted The command can not be executed because the scale is not adjusted The scale must be adjusted first The scale is adjusted when the adjustment digits for the adjustment zero the adjustment weight and the digits for the adjustment weight are defined determined 6 Waiting time of 5 sec for adjustment commands not observed The waiti...

Page 57: ...le is defective Contact the SIWAREX hotline 3 Error in EPROM The error can mean that the module is defective Contact the SIWAREX hotline 4 Error in EEPROM The error can mean that the module is defective Contact the SIWAREX hotline 5 Error in RAM The error can mean that the module is defective Contact the SIWAREX hotline 6 ADC error The AD converter had to be restarted due to a serious fault The er...

Page 58: ... OFF there is no operating error ON there is an operating error 24 V Green LED 2 Ext 24 V supply OFF No 24 V supply ON 24 V supply present ST1 Orange LED 3 Status 1 The meaning can be determined during parameterization ST2 Orange LED 4 Status 2 The meaning can be determined during parameterization COM Green LED 5 Communication OFF communication via RS232 is not taking place FLASHING communication ...

Page 59: ...the SIMATIC Hardware Configuration the basic characteristics of the module are laid down The peripheral address of the module The diagnostic alarm enable disable The process alarm enable disable Peripheral communication I O for other automation systems or data record communication SFC SFB FB for SIMATIC S7 PCS7 SIWAREX U occupies 16 bytes in the input and output area After the selection of data re...

Page 60: ...ication via the peripheral area and supports on request commands the data record communication with the aid of internal calls of the SFB 52 53 modules CALL SIWA_U DB 10 ADDR 256 DB_SCALE 9 DB_VECTOR 8 CMD_IN DB_SIWA_U i_CMD_CODE_INPUT CMD_INPR DB_SIWA_U bo_CMD_IN_PROGRESS CMD_FOK DB_SIWA_U bo_CMD_FINISHED_OK CMD_ERR DB_SIWA_U bo_CMD_ERR CMD_ERR_C DB_SIWA_U b_CMD_ERR_CODE REF_COUNT1 DB_SIWA_U b_CYC...

Page 61: ...has been defined as the scale DB in the project planning package In addition UDT9 is delivered as a template for data block creation 8 4 3 DB_VECTOR 8 input INT The content of the vector DB may not be changed by the user It only has to be loaded once per SIMATIC CPU independently of the number of SIWAREX U modules used The number of the DB can be chosen freely 8 4 4 CMD_IN DB_SIWA_U i_CMD_INPUT in...

Page 62: ...A_U b_FB_ERR_CODE whether an FB error is present 8 4 9 REF_COUNT1 DB_SIWA_U b_CYCLE_COUNT_CH1 output BYTE The current output values which are prepared as output variables of the FB SIWA_U are read out from the FB cyclically via the peripheral area SIWAREX U updates the counter internally in a 20 ms rhythm Each updating is given a serial number which can be used as a time stamp in the SIMATIC CPU T...

Page 63: ... interpreting a data record command specified data record or command number is incorrect Bit 3 Error life bit SIWAREX U is not responding Bit 4 Reserve Bit 5 Activated command was broken off due to a restart Bit 6 Reserve Bit 7 Reserve Warning If a processing error occurs for FB SIWA_U we have to assume that the variables that have been output do not correspond with the actual status in the module...

Page 64: ...and number in the variable CMD_IN DB_SIWA_U i_CMD_INPUT the execution of the command is triggered with this bit To prevent the command from being triggered more than once the bit should be created as an edge After execution of the command the FB SIWA_U resets the trigger variable CMD_EN DB_SIWA_U bo_CMD_EN 8 5 Allocation of the scale DB There are variables that are available in the SIMATIC CPU in ...

Page 65: ...heral area can be used when I O communication has been selected in the HW config for the communication with external systems when using the peripheral system ET200 M The details are described in a separate chapter see Chapter 9 Communication with other systems Byte S7 output area S7 input area Channel 1 0 Not used BYTE cyclic counter 1 Not used BYTE status 2 Not used 3 Not used INT gross weight 4 ...

Page 66: ... only intended for configuration programs which do not support the extended parameters The GS where E English F French G German I Italian S Spanish are language dependent They contain user texts for configuration in the language of the respective country All the information required for the configuration of the plug in components is contained in the language dependent GS files this is not the case...

Page 67: ...tatus byte input byte 1 for channel 1 and input byte 9 for channel 2 is used to process the writing to SIWAREX U together with the instruction bit of the byte for task controlling output byte 3 for channel 1 and output byte 11 for channel 2 Bit_no Name Range of values Meaning 0 5 Reserve 6 Live bit The live bit is specified by the user in the output area and is synchronized in the input area I O c...

Page 68: ...re always read and entered in the area Current variable Via Confirmation of the number n for DR n and DR n 1 prepared for reading one should now check whether SIWAREX U has already made available the requested data records in the area Current variable corresponding to data record number n and n 1 Depending on the cycle time of the automation device it can take several CPU cycles before the request...

Page 69: ...g of data records One should proceed as follows Query instruction acknowledgement bit in the Status input byte 1 7 9 7 to see whether it is identical with the instruction bit output byte 3 7 11 7 in Task Controlling Transfer the desired data record number m to the output byte 1 9 Transfer the desired value of the data record m to the output word 4 12 and invert the instruction bit in Task Controll...

Page 70: ...ee DR3 4 65 Char value LC Filter setting Setting data 16x BOOL 0x0041 y r w see DR3 4 66 Limit value1 ON Weight INT 10000 y r w see DR21 22 67 Limit value1 OFF Weight INT 9990 y r w see DR21 22 68 Limit value2 ON Weight INT 1000 y r w see DR21 22 69 Limit value2 OFF Weight INT 1010 y r w see DR21 22 70 Default value1 for remote display INT 0 n r w see DR6 71 Default value2 for remote display INT 0...

Page 71: ...lays The following values can be displayed Gross weight value weighing channel 1 Gross weight value weighing channel 2 only with two channel SIWAREX U Default value 1 can be freely assigned via SIMATIC Default value 2 can be freely assigned via SIMATIC Which of the values is displayed is determined by a corresponding address on the remote display In the case of particular operating states e g when...

Page 72: ...mote displays can be connected via the SIWAREX U isolated TTY port 20 pin plug connector see 4 4 6 The port is unidirectional i e the weight values are transferred cyclically When the display is set via the data record DR5 SIWATOOL U or DR72 I O communication the data to be displayed is output every 100 ms at the TTY port SIWAREX U After 100 ms After 100 ms After 100 ms Gross scale 1 Default value...

Page 73: ... to the remote display without a decimal place If the display of a decimal point is desired this is to be set at the remote display An address must be set at each display The value to be displayed is determined by the address Siebert contact details Siebert Industrieelektronik GmbH Postfach 1180 66566 Eppelborn Germany Tel 49 0 6806 980 150 Fax 49 0 6806 980 111 Internet http www siebert de Meanin...

Page 74: ...d in a box is set up as an information sheet This info sheet describes which tasks can be processed using the parameters from the selected data record For sending receiving and transferring the entire data record is always handled not just an index card 11 3 Configuring offline All scale parameters can be processed and stored without SIWAREX U In this way the commissioning time can be reduced The ...

Page 75: ...TIC CPU You decide whether the data comparison is necessary and carry it out when you decide that it is Figure 11 1 Window arrangement SIWATOOL U 11 5 Compatibility with old SKF files The SIWATOOL U files from an earlier version can be imported into the new SIWATOOL U version via the import function File Import When being saved the imported files are given the appendix swu SIWAREX U 11 67 ...

Page 76: ... After the selection of a card a section of the corresponding data record is displayed in the form of input and output fields In addition to the parameter designation the Tool Tips can also be helpful in remembering the meanings of certain parameters text is displayed if the mouse pointer is positioned over a field After clicking menu point Help the SIWAREX U manual is opened Acrobat Reader must b...

Page 77: ...on CD ROM PC software SIWATOOL U various languages new design Sample program Getting started ready made application for SIMATIC S7 Device manual SIWAREX U on CD various languages Quick Guide HSP Hardware Support Package for incorporation of SIWAREX U in STEP 7 classic 7MH4950 1AK02 Configuration package SIWAREX U for PCS 7 Version 7 x in German and English on CD ROM block for CFC plan and face pla...

Page 78: ...0AA0 PS 307 1E 5 A 6ES7307 1EA00 0AA0 PS 307 1K 10 A 6ES7307 1KA00 0AA0 Labeling strips 10 pieces replacement part 6ES7392 2XX00 0AA0 Remote displays optional The digital remote displays can be connected directly to SIWAREX U via a TTY port Remote displays which can be used S102 S302 Siebert Industrieelektronik GmbH Postfach 1180 66565 Eppelborn Germany Tel 49 0 6806 980 0 Fax 49 0 6806 980 999 In...

Page 79: ...aying occasional bending is possible 10 8 mm external diameter for ambient temperature 40 to 80 C 7MH4702 8AG Cable Li2Y 1 x 2 x 0 75 ST 2 x 2 x 0 34 ST CY blue coated connection of junction box JB or extension box EB in the explosive area and Ex interface Ex I for fixed installation occasional bending is possible blue PVC insulating cover approx 10 8 mm external diameter for ambient temperature 4...

Page 80: ...me of 50 s Maximum current consumption with rated voltage 150 mA single channel 240 mA double channel Starting current surge at 25 C typical 2 4 A Power loss of the module typical 3 6W single channel 5 8W double channel Table 13 1 Data Power supply 24 V 13 2 Power supply from the S7 backplane bus Current consumption 5 V from the backplane bus 100 mA Table 13 2 Data Power supply from the S7 backpla...

Page 81: ...ne monitor 1 s Common mode suppression CMRR 50 Hz 80 dB Low pass filter cutoff frequency 0 05 5 Hz Measured value filtering for mean value filter 30 values 20 ms Potential isolation 500 V DC Possible up to 1000 m under certain conditions when using the recommended cable accessories Table 13 3 Data Load cell activation 13 4 RS 232C port Baud rate 9600 baud Data bits 8 Parity even Stop bits 1 Max di...

Page 82: ...mental conditions The use of SIWAREX U is intended under the following conditions in SIMATIC S7 systems Usage conditions in accordance with IEC 60721 Operation IEC60721 3 3 Stationary use weather protected Class 3M3 3K3 Storage Transport IEC 60721 3 2 Packaged for transport no condensation Class 2M2 2K4 For use in extreme operating conditions e g heavy dust corrosive vapors or gases etc additional...

Page 83: ...s2 half sine Duration 11 ms Number 3 per axis in neg and pos direction Vibration during transport IEC 60068 2 6 Test Fc 5 9 Hz 3 5 mm movement 9 500 Hz 9 8 m s2 10 cycles per axis 1 octave min Shock during transport IEC 60068 2 29 Test Eb 250 m s2 half sine Duration 6 ms Number 1000 per axis Free fall IEC 68000 2 32 Test Ed Height of fall 1 m in transport packaging 0 3 m in product packaging Table...

Page 84: ...810 APPROVED for use in Class I Division 2 Group A B C D T4 Class I Zone 2 Group IIC T4 Explosion protection in accordance with EN 60079 15 2005 Electrical apparatus for potentially explosive atmospheres Type of protection n Class II 3 G EEx nA II T4 For the use of SIWAREX FTA in the Ex area the important information in the manual SIMATIC automation systems Explosion protection principles Doc no A...

Page 85: ...ses on power supply lines IEC 61000 4 4 IEC 61131 2 NAMUR NE 21 2 kV Burst pulses on data and signal lines IEC 61000 4 4 IEC 61131 2 NAMUR NE 21 1 kV RS232 port 2 kV remaining data and signal lines Electrostatic contact discharge ESD IEC 61000 4 2 NAMUR NE 21 6 kV Electrostatic air discharge ESD IEC 61000 4 2 NAMUR NE 21 8 kV Voltage spikes Surge on power supply lines IEC 61000 4 5 NAMUR NE 21 IEC...

Page 86: ...e DIN EN 60068 2 2 40 to 70 C Relative air humidity 15 to 95 Without condensation relative humidity RH corresponds to stress factor 2 in accordance with DIN IEC 61131 2 Air pressure in operation DIN EN 60068 2 13 from 1080 to 795 hPa Corresponds to an altitude of 1000 to 2000 m above sea level Air pressure in storage DIN EN 60068 2 13 from 1080 to 600 hPa Corresponds to an altitude of 1000 to 3500...

Page 87: ...ormation DS1 7 46 Diagnostics 7 43 display mode 5 34 DR 11 12 5 36 DR 21 22 5 36 DR 3 4 5 26 DR 3 4 adjustment parameters 5 26 DR 31 32 5 37 DR 40 5 39 DR 5 5 33 DR 6 5 35 EMC compliant design 4 11 Environmental conditions 13 78 FB SIWA_U 8 53 Function 3 7 Further support 1 2 General parameters 5 33 HW config 8 51 Info about the module 5 39 Installation 3 9 4 13 Interference 4 11 Internet site 1 2...

Page 88: ... 9 11 66 Standards 13 76 Switch on weight limit value 1 5 36 Synchronous messages 7 43 System integration in SIMATIC 3 8 Technical data 13 72 Test values 13 75 Theoretical adjustment 5 32 5 33 update counter 5 38 value 1 value 2 5 35 Vector DB 8 52 Visual check 4 24 Weighing functions 5 26 Wiring 4 14 Zero set value 5 27 14 80 SIWAREX U ...

Page 89: ...hine Interface SIMATIC Operator Panel HW Hardware HSP Hardware support package MPI Multi Point Interface OD Output Disable S7 OP Operator Panel SIMATIC PC Personal Computer RAM Random Access Memory S7 300 Siemens automation system for the medium performance range S7 400 Siemens automation system for the upper performance range SFC System Function Call S7 STEP 7 Configuration device software for SI...

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