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62 Use in Hazardous Environments

WAGO-I/O-SYSTEM 750 XTR

750-404/040-003 Counter Adjust XTR

Manual

Version 1.1.0

Figure 20: Text Detail – Marking Example for Approved Ex i I/O Module According to NEC 505

Table 32: Description of Marking Example for Approved Ex i I/O Module According to NEC 505

Marking

Description

CI I,

Explosion protection group

Zn 2

Area of application

AEx

Explosion protection mark

Type of protection

[ia Ga]

Type of protection and equipment protection

level (EPL): Associated apparatus with intrinsic

safety circuits for use in Zone 20

IIC

Group

Temperature class

Equipment protection level (EPL)

Figure 21: Text Detail – Marking Example for Approved Ex i I/O Module According to NEC 506

Table 33: Description of Marking Example for Approved Ex i I/O Modules According to NEC 506

Marking

Description

CI I,

Explosion protection group

Zn 2

Area of application

AEx

Explosion protection mark

Type of protection

[ia IIIC]

Type of protection and equipment protection

level (EPL): Associated apparatus with intrinsic

safety circuits for use in Zone 20

IIC

Group

Temperature class

Equipment protection level (EPL)

Summary of Contents for 750-404/040-003

Page 1: ...Manual WAGO I O SYSTEM 750 XTR 750 404 040 003 Counter Adjust XTR Counter Adjustable Extreme Version 1 1 0 ...

Page 2: ...4 45 55 E Mail support wago com Every conceivable measure has been taken to ensure the accuracy and completeness of this documentation However as errors can never be fully excluded we always appreciate any information or suggestions for improving the documentation E Mail documentation wago com We wish to point out that the software and hardware terms as well as the trademarks of companies used and...

Page 3: ...eral Description 14 3 2 Overview Channels Switching Frequency and Counter Depth 16 3 3 Special Features of the Different Operating Modes 16 3 3 1 Up Down Counter 100 kHz 16 3 3 2 Up Counter Enable Input 16 3 3 3 Peak Time Counter 16 3 3 4 Frequency Counter 0 1 Hz 100 kHz 17 3 3 5 Up Down Counter Signaling Outputs DO 17 3 3 6 2 Up Counter 16 Bit 5 kHz 17 3 4 View 18 3 5 Connectors 19 3 5 1 Data Con...

Page 4: ...1 Parameterization with WAGO I O CHECK 46 7 2 Examples for Commissioning in the Different Operating Modes 47 7 2 1 Frequency Counter 47 7 2 2 Up Down Counter 48 7 2 3 Up Down Counter with Signaling Outputs 50 7 2 4 Up Counter 51 7 2 5 Peak Time Counter 52 7 2 6 2 Up Counter 54 8 Use in Hazardous Environments 56 8 1 Marking Configuration Examples 57 8 1 1 Marking for Europe According to ATEX and IE...

Page 5: ...he manual for the used fieldbus coupler controller Consider power layout of the WAGO I O SYSTEM 750 XTR In addition to these operating instructions you will also need the system description Design Notes XTR Guidelines and Recommendations for Increasing Operational Safety and the manual for the used fieldbus coupler controller which can be downloaded at www wago com There you can obtain important i...

Page 6: ...cates a moderate risk potentially hazardous situation which if not avoided could result in death or serious injury Personal Injury Indicates a low risk potentially hazardous situation which if not avoided may result in minor or moderate injury Damage to Property Indicates a potentially hazardous situation which if not avoided may result in damage to property Damage to Property Caused by Electrosta...

Page 7: ...nt Conventions Font Type Indicates italic Names of paths and data files are marked in italic type e g C Program Files WAGO Software Menu Menu items are marked in bold letters e g Save A greater than sign between two names means the selection of a menu item from a menu e g File New Input Designation of input or optional fields are marked in bold letters e g Start of measurement range Value Input or...

Page 8: ...ments All changes to the coupler or controller should always be carried out by qualified personnel with sufficient skills in PLC programming 2 1 3 Use of the 750 Series in Compliance with Underlying Provisions Fieldbus couplers controllers and I O modules found in the modular WAGO I O SYSTEM 750 receive digital and analog signals from sensors and transmit them to actuators or higher level control ...

Page 9: ...by the user The following actions will result in the exclusion of liability on the part of WAGO Kontakttechnik GmbH Co KG Repairs Changes to the hardware or software that are not described in the operating instructions Improper use of the components Further details are given in the contractual agreements Please send your request for modified and new hardware or software configurations directly to ...

Page 10: ...trical and electronic equipment can be harmful to the environment and human health 2 1 4 1 2 Packaging Packaging contains materials that can be reused PPWD 94 62 EU and 2004 12 EU packaging guidelines apply throughout Europe Directives and laws may vary nationally Environmentally friendly disposal of the packaging protects the environment and allows sustainable and efficient use of resources Obser...

Page 11: ...n against contact Prevent fire from spreading outside of the enclosure Offer adequate protection against UV irradiation Guarantee mechanical stability Restrict access to authorized personnel and may only be opened with tools Ensure disconnect and overcurrent protection The device is intended for installation in automation technology systems Disconnect protection is not integrated Connected systems...

Page 12: ...Replace defective or damaged devices Replace defective or damaged device module e g in the event of deformed contacts Protect the components against materials having seeping and insulating properties The components are not resistant to materials having seeping and insulating properties such as aerosols silicones and triglycerides found in some hand creams If you cannot exclude that such materials ...

Page 13: ...rostatic discharge per DIN EN 61340 5 1 3 When handling the devices please ensure that environmental factors personnel work space and packaging are properly grounded Use only direct current DC for insulation testing Both the system voltage and field voltage side are capacitively coupled to the DIN rail If an I O module is mounted on the DIN rail application of an AC voltage between the DIN rail an...

Page 14: ...tected Four green LEDs indicate the status of the inputs U D and CLOCK and the digital outputs DO 1 and DO 2 The field voltage and the system voltage are electrically isolated from each other With consideration of the power jumper contacts the individual modules can be arranged in any combination when configuring the fieldbus node An arrangement in groups within the group of potentials is not nece...

Page 15: ...in a node is possible when groups of modules are electrically isolated on the field side i e electrically isolated power supply Use an appropriate supply module Use an appropriate supply module e g 750 602 040 000 if an electrically isolated voltage supply is required Increased interference For standard compliant application in substation instrumentation and control telecontrol systems railway tec...

Page 16: ...odule processes count pulses at the input CLOCK The counting takes place edge controlled e g the counter status is incremented or decremented when the CLOCK signal changes from 0 to 24 V When the U D input is switched with 24 V the counting direction is upward When the input is not switched or is 0 V the counting direction is downward 3 3 2 Up Counter Enable Input In this operating mode the I O mo...

Page 17: ...ts DO In this operating mode the I O module processes count pulses at the input CLOCK The counting takes place edge controlled e g the counter status is incremented or decremented when the CLOCK signal changes from 0 to 24 V When the input U D is switched with 24 V the counting direction is upward When the input is not switched or is 0 V the counting direction is downward The control byte sets or ...

Page 18: ...r Figure View Pos Description Details See Section 1 Marking possibility with Mini WSB 2 Status LEDs Device Description Display Elements 3 Data contacts Device Description Connectors 4 CAGE CLAMP connectors Device Description Connectors 5 Power jumper contacts Device Description Connectors 6 Release tab Mounting Inserting and Removing Devices ...

Page 19: ...h are available as self cleaning gold spring contacts Figure 2 Data Contacts Do not place the I O modules on the gold spring contacts Do not place the I O modules on the gold spring contacts in order to avoid soiling or scratching Pay attention to potential equalization from the environment The devices are equipped with electronic components that may be destroyed by electrostatic discharge When ha...

Page 20: ...re 3 Power Jumper Contacts Table 5 Legend for Figure Power Jumper Contacts Contact Type Function 1 Spring contact Potential transmission Uv for field supply 2 Spring contact Potential transmission 0 V for field supply 3 Blade contact Potential feed in 0 V for field supply 4 Blade contact Potential feed in Uv for field supply Do not exceed maximum values via power contacts The maximum current that ...

Page 21: ...WAGO I O SYSTEM 750 XTR Device Description 21 750 404 040 003 Counter Adjust XTR Manual Version 1 1 0 3 5 3 CAGE CLAMP Connectors Figure 4 CAGE CLAMP Connectors ...

Page 22: ...rd and downward counting i e upward when switched with 24 V downward with 0 V 2 Up Counter Second input for detecting count pulses 24 V 2 Field supply 24 VDC 0 V 3 Field supply 0 VDC DO 1 4 Digital output DO 1 CLOCK 5 Frequency Counter Input for measuring the pulse period and converting it to a frequency value Up Counter Up Down Counter and Peak Time Counter Input for edge controlled detection pro...

Page 23: ...disabled Up Down Counter Count downward 2 Up Counter No count pulses Green Signal voltage 1 at input U D Frequency Counter Measurement disabled Up Counter Counting enabled Up Down Counter Count upward 2 Up Counter Second count pulse Status DO 1 C Off Digital output DO 1 is reset Green Digital output DO 1 is set CLOCK status E Off Signal voltage 0 at input CLOCK Green Signal voltage 1 at input CLOC...

Page 24: ...ription WAGO I O SYSTEM 750 XTR 750 404 040 003 Counter Adjust XTR Manual Version 1 1 0 3 7 Operating Elements The I O module 750 404 040 003 has no operating elements 3 8 Schematic Diagram Figure 6 Schematic Diagram ...

Page 25: ...contact typ 24 VDC Voltage supply via power jumper contacts under laboratory conditions for ambient operating temperature 40 C 55 C for ambient operating temperature 55 C 70 C 24 VDC power supply via SELV PELV power supply unit 18 V 31 2 V 17 4 V 31 2 V 18 V 28 8 V 17 4 V 28 8 V 18 V 26 4 V 17 4 V 26 4 V Currentmax via power jumper contacts 10 A Rated surge voltage 1 kV Including residual ripple o...

Page 26: ...e Frequency Range Measuring Method Frequency Range Resolution Measuring Errors Integration time 1 Period 0 1 Hz 8 kHz 0 001 Hz 1 Integration time 4 Periods 0 25 Hz 32 kHz 0 01 Hz 1 5 Integration time 16 Periods 1 Hz 100 kHz 0 1 Hz 1 Hz 1 5 Of Which Partial Frequency Range with Low Measuring Error Measuring Method Frequency Range Resolution Measuring Errors Integration time 1 Period 0 1 Hz 100 Hz 0...

Page 27: ...Mechanical Conditions Vibration resistance Max 5g Follow the installation instructions 3 9 7 Climatic Environmental Conditions Table 19 Technical Data Climatic Environmental Conditions Surrounding air temperature operation 40 C 70 C Surrounding air temperature storage 40 C 85 C Relative humidity 95 Elevation above sea level without temperature derating with temperature derating max 0 m 2000 m 2000...

Page 28: ...owing Ex approvals are pending for the 750 404 040 003 I O module CULUS UL 12 12 01 for Use in Hazardous Locations ATEX IECEx The following shipbuilding approvals are pending for the 750 404 040 003 I O module ABS American Bureau of Shipping DNV GL LR Lloyd s Register PRS Polski Rejestr Statków More information about approvals Detailed references to the approvals are listed in the document Overvie...

Page 29: ... equipment Equipment requirements in the types of protection EN 60079 7 2015 Electrical equipment in e type of protection with ec level of protection EN 60079 15 2010 Electrical equipment in the n type of protection with nC level of protection IECEx Certificates of Conformity General Requirements IEC 60079 0 ed 6 Group II electrical equipment Equipment requirements in the types of protection EC 60...

Page 30: ...shocks per axis and direction half sine EN 50155 EN 61373 Random vibration Category 1 classes A and B Shock 5g 30 ms Category 1 classes A and B Environmental Requirements EN 61850 3 Achieved EN 60721 3 1 1K5 except precipitation and ice formation EN 60721 3 3 3K7 except wind driven precipitation water and ice formation EN 60870 2 2 C3 except wind driven precipitation and ice formation EN 50155 TX ...

Page 31: ...cted Disturbances Induced by High frequency Fields EN 61000 4 6 EN 60255 26 10 V 150 kHz 80 MHz Magnetic Fields With Electrical Frequencies EN 61000 4 8 EN 60255 26 300 A m continuous 1000 A m for 1 s Pulse shaped Magnetic Fields EN 61000 4 9 300 A m Damped Oscillatory Magnetic Fields EN 61000 4 10 100 A m Voltage Dips Short term Interruptions and Voltage Fluctuations EN 61000 4 11 EN 60255 26 Sta...

Page 32: ...m or more Alternating Components of the Voltage to DC Line Connections EN 61000 4 17 EN 60255 26 15 Damped Oscillatory Waves EN 61000 4 18 EN 60255 26 IEEE C37 90 1 1 25 kV conductor conductor 2 5 kV conductor ground Voltage Dips Short term Interruptions and Voltage Fluctuations to DC Supply Inputs EN 61000 4 29 EN 60255 26 Standard not applicable Harmonics Shipbuilding Standard not applicable The...

Page 33: ... dB µV m AV 3 GHz 6 GHz Shipbuilding Class B 80 dB µV m 50 dB µV m QP 150 kHz 300 kHz 50 dB µV m 34 dB µV m QP 0 3 MHz 30 MHz 54 dB µV m QP 30 MHz 2 GHz 24 dB µV m QP 156 MHz 165 MHz Shipbuilding Class A 80 dB µV m 50 dB µV m QP 150 kHz 30 MHz 60 dB µV m 54 dB µV m QP 30 MHz 100 MHz 54 dB µV m QP 100 MHz 2 GHz 24 dB µV m QP 156 MHz 165 MHz Conducted Emission of Interference Line Connection AC Volt...

Page 34: ...section Approval regarding approval for EMC A or EMC B In marine applications requiring class B an approved field power supply must be used e g one of the following WAGO Power Supplies Table 24 WAGO Power Supplies for Field Supply in Marine Applications Item No Description 787 1622 Switched mode power supply EPSITRON CLASSIC Power 1 phase Output voltage 24 VDC Output current 5 A TopBoost DC OK con...

Page 35: ...ng temperature TX 4 1 3 Shock and vibration 1A and 1B EN 61373 4 1 4 Relative humidity 95 coated PCBs 5 1 Power Supply 5 1 1 1 Master voltage fluctuations Minimum voltage 0 725 Un Maximum voltage 1 3 Un 5 1 1 2 Power interruptions S1 5 4 Surge ESD Burst Tests EN 50121 3 2 5 5 EMC Emission of Interference Immunity to Interference EN 50121 3 2 EN 50121 4 EN 50121 5 9 11 Materials Fire Protection EN ...

Page 36: ...e CLOCK input signal and calculates the signal frequency The process image is calculated and updated at every first fourth or sixteenth rising edge This depends on the integration time set in the control byte When a rising edge is first detected the cyclical periodic measurement starts At this point no valid frequency value can be delivered yet In this case the counter module transmits 0xFFFFFFFF ...

Page 37: ...ue display as well as to set the outputs Status byte S0 contains the confirmation of the settings and the statuses of the inputs and outputs Table 26 Overview of Input and Output Data Input Data Output Data S0 Status byte C0 Control byte D0 Frequency value byte 0 LSB D0 Watchdog time byte 0 LSB D1 Frequency value byte 1 D1 Watchdog time byte 1 MSB D2 Frequency value byte 2 D2 Reserved D3 Frequency...

Page 38: ...ximum frequency value also changes depending on the measuring method set The following table shows the different operating modes RANGE_ SEL1 RANGE_ SEL0 Measuring Method Maximum Frequency Range Measured Value Display 0 0 1 period 0 1 Hz 8 kHz Frequency in 1 1000 Hz 0 1 4 periods 0 25 Hz 32 kHz Frequency in 1 100 Hz 1 0 16 periods 1 Hz 100 kHz Frequency in 1 10 Hz 1 1 16 periods 1 Hz 100 kHz Freque...

Page 39: ...timer range are identified with 0x3FFF Setting Outputs Control byte bits 2 and 3 set the digital outputs DO 1 and DO 2 4 2 Up Up Down or Peak Time Counter In operating modes Up Counter Up Down Counter and Peak Time Counter the 750 404 040 003 I O Module provides the fieldbus coupler controller with 5 byte in and output process images via two logical channels The counter setting value to be set is ...

Page 40: ...ed with the 32 bit value from output bytes 0 to 3 As long as the bit is set the counter is stopped and the loaded value is retained Bit 5 in the status byte indicates that the counter has successfully loaded Disabling Counter If bit 4 is set in the control byte count processes are disabled Bit 4 in the status byte indicates the counter is disabled Setting Resetting Outputs Control byte bits 2 and ...

Page 41: ... 2 W 1 B0 X X Counter 1 feedback message set Counter 2 feedback message set Current level at output DO 2 Current level at output DO 1 Current level at input U D Current level at input CLOCK This value is not evaluated The following functions can be executed Setting Counter If bit 5 is set in the control byte counter 1 is loaded with the 16 bit value from output bytes 0 or 2 As long as the bit is s...

Page 42: ...re sharp edged Handle the I O module carefully to prevent injury Do not touch the blade contacts Insert I O modules only from the proper direction All I O modules feature grooves for power jumper contacts on the right side For some I O modules the grooves are closed on the top Therefore I O modules featuring a power jumper contact on the left side cannot be snapped from the top This mechanical cod...

Page 43: ...hen devices are energized High voltage can cause electric shock or burns Switch off all power to the device prior to performing any installation repair or maintenance work Temperature range applies to normal operation XTR I O modules may be operated below 20 C but not wired and or reconnected 5 2 1 Inserting the I O Module 1 Position the I O module so that the tongue and groove joints to the field...

Page 44: ...le snapped in place the electrical connections for the data contacts and power jumper contacts if any to the fieldbus coupler controller or to the previous or possibly subsequent I O module are established 5 2 2 Removing the I O Module 1 Remove the I O module from the assembly by pulling the release tab Figure 11 Removing the I O Module Example Electrical connections for data or power jumper conta...

Page 45: ...oltage is positively isolated 6 1 Connecting a Conductor to the CAGE CLAMP The WAGO CAGE CLAMP connection is appropriate for solid stranded and finely stranded conductors Only connect one conductor to each CAGE CLAMP Only one conductor may be connected to each CAGE CLAMP Do not connect more than one conductor at one single connection If more than one conductor must be routed to one connection thes...

Page 46: ...ion dialog specific to the I O module The special features of the individual operating modes are described in the following sections To select the operating mode proceed as follows 1 Right click the I O module in the WAGO I O CHECK user interface A context menu appears 2 Select the menu item Settings in the context menu The parameterization dialog opens Figure 13 I O Module Parameterization Dialog...

Page 47: ...7 W 6 W 5 W 4 W 3 W 2 W 1 B0 Value 0 X X X X X 0 1 Value has no relevance at this position 2 Wait for feedback from the counter in status byte bits 0 and 1 confirmation of measurement range change Status Byte Input Bit B7 W 6 W 5 W 4 W 3 W 2 W 1 B0 Value X X X X X X 0 1 Value has no relevance at this position After the delay time has elapsed the current frequency value with the set resolution is w...

Page 48: ...ntrol Byte Output Bit B7 W 6 W 5 W 4 W 3 W 2 W 1 B0 Value 0 X X 0 X X X X Value has no relevance at this position The counter confirms the reset in status byte bit 4 Status Byte Input Bit B7 W 6 W 5 W 4 W 3 W 2 W 1 B0 Value X X X 0 X X X X Value has no relevance at this position 7 2 2 Up Down Counter To set the up down counter proceed as follows 1 First set the counter to the decimal value 100 hex...

Page 49: ...sition The set counter value then appears in the input data with the following data bytes D0 to D3 Data Bytes Input Data D3 D2 D1 D0 Value 0x00 0x00 0x00 0x64 5 For counting upward wait for the first and additional count pulses Input U D must be switched Note that input U D must be switched to upward counting with 24 V Data Bytes D3 D2 D1 D0 Explanation 0x00 0x00 0x00 0x64 No count pulse received ...

Page 50: ...When the counter should count downward 1 Preset the counter with 0x80000000 4000 0x80000FA0 2 Set input U D to 0 V Result After 4000 pulses the counter status has reached 0x80000000 and the output DO 1 is retracted Scenario 3 When DO 2 should be used as switching output 1 Load the counter for upward counting with 0x8000 4000 0x7060 or 0x8000 4000 0x8FA0 for downward counting Background Only the lo...

Page 51: ... X Value has no relevance at this position 3 Wait for feedback from the counter in status byte bit 5 counter set Status Byte Input Bit B7 W 6 W 5 W 4 W 3 W 2 W 1 B0 Value X X 1 X X X X X Value has no relevance at this position 4 Clear bit 5 set counter in the control byte to complete the handshake Control Byte Output Bit B7 W 6 W 5 W 4 W 3 W 2 W 1 B0 Value 0 X 0 X X X X X Value has no relevance at...

Page 52: ... the counting direction is upward input U D 24 V and the counter status is 0 the timer is stopped and no pulses are detected at the input CLOCK Control Byte Input Bit B7 W 6 W 5 W 4 W 3 W 2 W 1 B0 Value 0 0 0 0 X X 0 0 Value has no relevance at this position Status Byte Output Bit B7 W 6 W 5 W 4 W 3 W 2 W 1 B0 Value 0 0 0 0 X X 1 0 Value has no relevance at this position 2 Cyclic recording is requ...

Page 53: ... reset and the timer restarted The process data provides the number of pulses registered in the previous cycle Control Byte Input Bit B7 W 6 W 5 W 4 W 3 W 2 W 1 B0 Value 0 0 1 0 X X 0 0 Value has no relevance at this position Status Byte Output Bit B7 W 6 W 5 W 4 W 3 W 2 W 1 B0 Value 0 0 1 0 X X 1 1 Value has no relevance at this position 5 Cyclic recording is running The counter status has been r...

Page 54: ...alue 0 Control Byte Input Bit B7 W 6 W 5 W 4 W 3 W 2 W 1 B0 Value 0 0 0 0 X X 0 0 Value has no relevance at this position Status Byte Output Bit B7 W 6 W 5 W 4 W 3 W 2 W 1 B0 Value 0 0 0 0 X X 1 0 Value has no relevance at this position 7 2 6 2 Up Counter To set the counter proceed as follows In this example counter 1 should be sets set 1 First set the counter to the decimal value 100 hexadecimal ...

Page 55: ...0 X X X X X Value has no relevance at this position The set counter value then appears in the input data with the following data bytes D0 to D3 Data Bytes Input Data D3 D2 D1 D0 Value 0x00 0x00 0x00 0x64 5 Wait for the first and additional count pulses Data Bytes D3 D2 D1 D0 Explanation 0x00 0x00 0x00 0x64 No count pulse received 0x00 0x00 0x00 0x65 1st count pulse received 0x00 0x00 0x00 0x66 2nd...

Page 56: ...ardous areas and shall be used in accordance with the marking and installation regulations The following sections include both the general identification of components devices and the installation regulations to be observed The individual subsections of the Installation Regulations section must be taken into account if the I O module has the required approval or is subject to the range of applicat...

Page 57: ...0 404 040 003 Counter Adjust XTR Manual Version 1 1 0 8 1 Marking Configuration Examples 8 1 1 Marking for Europe According to ATEX and IECEx Figure 14 Marking Example According to ATEX and IECEx Figure 15 Text Detail Marking Example According to ATEX and IECEx ...

Page 58: ...losion group of dust T135 C Max surface temperature of the enclosure without a dust layer Dc Equipment protection level EPL Mining I Equipment group Mining M2 Category High level of protection Ex Explosion protection mark d Type of protection Flameproof enclosure I Explosion group for electrical equipment for mines susceptible to firedamp Mb Equipment protection level EPL Gases II Equipment group ...

Page 59: ...ironments 59 750 404 040 003 Counter Adjust XTR Manual Version 1 1 0 Figure 16 Marking Example for Approved Ex i I O Module According to ATEX and IECEx Figure 17 Text Detail Marking Example for Approved Ex i I O Module According to ATEX and IECEx ...

Page 60: ... layer Dc Equipment protection level EPL Mining I Equipment Group Mining M2 M1 Category High level of protection with electrical circuits which present a very high level of protection Ex Explosion protection mark d Type of protection Flameproof enclosure ia Ma Type of protection and equipment protection level EPL Associated apparatus with intrinsic safety electrical circuits I Explosion group for ...

Page 61: ...s of America NEC and Canada CEC Figure 18 Marking Example According to NEC Figure 19 Text Detail Marking Example According to NEC 500 Table 31 Description of Marking Example According to NEC 500 Marking Description CL I Explosion protection gas group DIV 2 Area of application Grp A B C D Explosion group gas group op temp code T4 Temperature class ...

Page 62: ...rotection level EPL Associated apparatus with intrinsic safety circuits for use in Zone 20 IIC Group T4 Temperature class Gc Equipment protection level EPL Figure 21 Text Detail Marking Example for Approved Ex i I O Module According to NEC 506 Table 33 Description of Marking Example for Approved Ex i I O Modules According to NEC 506 Marking Description CI I Explosion protection group Zn 2 Area of ...

Page 63: ...nA Type of protection ia IIIC Type of protection and equipment protection level EPL Associated apparatus with intrinsic safety circuits for use in Zone 20 IIC Group T4 Temperature class Gc Equipment protection level EPL X Symbol used to denote specific conditions of use Gases Ex Explosion protection mark nA Type of protection ia Ga Type of protection and equipment protection level EPL Associated a...

Page 64: ...when replacing components The product is an open system As such the product must only be installed in appropriate enclosures or electrical operation rooms to which the following applies Can only be opened using a tool or key Inside pollution degree 1 or 2 In operation internal air temperature within the range of 0 C Ta 55 C or 20 C Ta 60 C for components with extension number 025 xxx or 40 C Ta 70...

Page 65: ...rticular Operating DIP switches coding switches or potentiometers Replacing fuses Wiring connecting or disconnecting of non intrinsically safe circuits is only permitted in the following cases The circuit is disconnected from the power supply The area is known to be non hazardous Outside the device suitable measures must be taken so that the rated voltage is not exceeded by more than 40 due to tra...

Page 66: ...hone networks or telecommunication cables WARNING The radio receiver module 750 642 may only be used to connect to external antenna 758 910 WARNING Product components with fuses must not be fitted into circuits subject to overloads These include e g motor circuits WARNING When installing I O module 750 538 Control Drawing No 750538 in the manual must be strictly observed Additional Information Pro...

Page 67: ...g a Conductor to a CAGE CLAMP 46 Figure 13 I O Module Parameterization Dialog in WAGO I O CHECK 46 Figure 14 Marking Example According to ATEX and IECEx 57 Figure 15 Text Detail Marking Example According to ATEX and IECEx 57 Figure 16 Marking Example for Approved Ex i I O Module According to ATEX and IECEx 59 Figure 17 Text Detail Marking Example for Approved Ex i I O Module According to ATEX and ...

Page 68: ...Climatic Environmental Conditions 27 Table 20 Standards and Rated Conditions for Explosion Protection Applications 29 Table 21 Climatic and Mechanical Environmental Conditions and Shipbuilding 30 Table 22 EMC Immunity to Interference 31 Table 23 EMC Emission of Interference 33 Table 24 WAGO Power Supplies for Field Supply in Marine Applications 34 Table 25 Standards and Rated Conditions for Rail A...

Page 69: ...WAGO I O SYSTEM 750 XTR 69 750 404 040 003 Counter Adjust XTR Manual Version 1 1 0 ...

Page 70: ...WAGO Kontakttechnik GmbH Co KG Postfach 2880 D 32385 Minden Hansastraße 27 D 32423 Minden Phone 49 571 887 0 Fax 49 571 887 844169 E Mail info wago com Internet www wago com ...

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