ISM0122
Contents
1. to put in short circuit one relay coil at a time starting with the 1s coil by DIP switch n 1 then going on with the 2 coil by DIP switch n 2 verifying that ohmic continuity is always absent between terminals 15 13 The presence of ohmic continuity implies that a relay contact the only one with de energized coil because related DIP switch is set ON is blocked for welding into closed position ra Remove the bypass from the safety related PLC or restore normal operation inserting the unit This test detects almost 100 of all possible Dangerous Undetected failures in the relay module SIL Applications D5293S Relay Output Modules for NE load e Safety function The failure behaviour is described from the following definitions o fail Safe State is defined as the output load being de energized o fail Safe failure mode that causes the module to go to the defined fail safe state without a demand from the process o fail Dangerous failure mode that does not respond to a demand from the process i e being unable to go to the defined fail safe state so that the output load remains energized o fail No Effect failure mode of a component that is part of the safety function but that has no effect on the safety function For the calculation of the SFF it is considered as a safe undetected failure o fail Not part failure mode of a component which is not part of the safety function but part of the circuit diagra2. as positive terminal and 14 as negative terminal connect DCS PLC signal to input channel terminal blocks 1 as positive terminal and 2 as negative terminal Then verify the input to output functionality output load is energized by supplying the input channel while shutdown of the input channel de energizes the load The channel functionality must be verified for a min to max input voltage change 21 6 to 27 6 Vdc Instead the specific Proof test consists of the following steps L 4 Bypass the safety related PLC or take other appropriate action to avoid a false trip when removing the unit for test Disconnect load supply lines to terminal blocks 15 16 and the output load to terminal blocks 13 14 Then connect an ohmmeter Ohm A between terminal blocks 15 13 and another one Ohm B between terminal blocks 16 14 The use of three relays for this single channel requires to control any single relay coil by means of internal SW1 DIP switches n 1 2 3 and to check the ohmic continuity of the contacts as described in the following procedure 1 Do not supply the input channel terminals 1 2 of the unit under test and verify that ohmmeters Ohm A and Ohm B measure absence of ohmic continuity i e both AC and AC load lines are interrupted because NO contacts are open 1st requisite is verified For onmmeter Ohm A this measure could also be true if
3. proof relays dip1 relay dip2 relay2 dip3 relay3 WARNING after T proof test dip switch 1 2 3 must be set to OFF position for normal operation SW2 Dip switch configuration Termination 100 Q between N N Resistor A and B z i s 2 Configuration Pull down gt Disabled m ia OFF a OFF Resistor 1 I m Pull down gt Enabled P ON s HHn Resistor 3 Note L gt gt Disabled i OFF 3 Termination Pull up Pulau Resistor Resistor p gt Enabled M on Configuration ia 4 ote oOo gt Disabled n OFF Note termination resistor must be enabled to activate pull down or pull up resistor D5293 4 A SIL 3 Relay Output Module for NE Load with open short circuit diagnostic G M International ISM0122 3 Testing procedure at T proof The proof test shall be performed to reveal dangerous faults which are undetected by diagnostic This means that it is necessary to specify how dangerous undetected faults which have been noted during the FMEDA can be detected during proof test Before of specific Proof test execute the following general proof test connect load supply lines to terminal blocks 15 for AC and 16 AC connect NE output load to terminal blocks 13
4. wires are properly connected particularly supply conductors and their polarity input and output wires Check conductors for exposed wires that could touch each other causing dangerous unwanted shorts Turn on power for diagnostic circuit the power on green led must be lit Enabling input the channel status yellow led must be lit and load circuit must be energized because 1 1 SPST relay output contacts are closed Instead disabling input the channel status yellow led must be turned off and load circuit must be de energized because 1 1 SPST relay output contacts are open G M International ISM0122 3 D5293 4 A SIL 3 Relay Output Module for NE Load with open short circuit diagnostic Configuration For configuration of T proof relays testing and termination pull down or pull up resistors of Modbus communication some DIP Switches are located on component side of pcb These switches allow the T proof relays test SW1 dip switch 1 2 3 4 set ON and termination pull down or pull up resistors of Modbus communication SW2 dip switch 1 2 set ON to enable 100 Q between A and B 3 set ON to enable pull down resistor 4 set ON to enable pull up resistor SW1 Dip switch configuration Not used OFF OFF OFF A Normal Operation OE NE 1 2 3 2 ON ON ON 1 2 3 4 T proof relays enable aie t 2 3 T
5. Counter 20 to 31 Supported ModBus Formats Supported ModBus Baudrates Baudrate 4800 9600 8 data bit no parity 1 stop bit Index _ a 8 data bit even parity 1 stop bit ee ee 66 Measured Load Resistance eae 68 Driver Status 69 Coil Status Load Voltage Nominal P98 LoadResistance Nominal Isolation Resistance Nominal E 514132 11110791817 161514131211 10 Don t care bit Coil Short Fault Load Isolation Fault Load Resistance Fault Output Configuration 208 to 223 Load Current Fault Load Voltage Fault Fault Status Mask activated fault conditions monitoring Masked Fault Status without ON OFF Raw Fault Status amp Fault Status Mask Masked Fault Status with ON Raw Fault Status amp Fault Status Mask amp 10011 Masked Fault Status with OFF Raw Fault Status amp Fault Status Mask amp 01101 With amp bitwise AND operation Output Calibration Modbus Communication Errors 496 o 46 Head Communication Errors Debug 50210515 G M International ISM0122 3 D5293 4 A SIL 3 Relay Output Module for NE Load with open short circuit diagnostic
6. D52938 INSTRUCTION MANUAL 4 A SIL 3 Relay Output Module for NE Load with open short circuit diagnostic DIN Rail and Termination Board Model D52935 TECHNOLOGY FOR SAFETY D5293 4 A SIL 3 Relay Output Module for NE Load with open short circuit diagnostic G M International ISM0122 3 Characteristics General Description The D5293S is a relay module suitable for the switching of safety related circuits up to SIL 3 level according to IEC 61508 for high risk industries It provides isolation between input and output contacts Line input monitoring to allow DCS PLC line monitoring function permits a wide compatibility towards different DCS PLC Driving line pulse testing executed by DCS PLC is permitted by a dedicated internal circuit to prevent relay and LED flickering Relay coil short circuit is detected from module D5293S provides 1 1 SPST contact for normally energized load SIL 3 Safety Function for NE load de energized in fail safe state is available at Terminal Blocks 13 14 When the driving signal is high 24 Vdc the relay is energized normal state SIL 3 contacts at terminals 13 15 and 14 16 are closed the load is energized The safety function is met when the driving signal is low 0 Vdc the relay is de energized fail safe state SIL 3 contacts at terminals 13 15 and 14 16 are opened the load is de energized Load is isolated from supply on both polarities AC AC Load and Line Diagnostic Line and load short open
7. Module for NE Load with open short circuit diagnostic Ordering information Model D5293S Power Bus and DIN Rail accessories Connector JDFT050 Cover and fix MCHP196 Operating parameters are programmable from PC by the GM Pocket Portable Adapter Terminal block male MOR017 Terminal block female MOR022 PPC5092 via USB serial line and SWC5090 Configurator software 2 Q0 O1 O12 5 O6 7 8 D1 02 031 CV i PWR FLT Oss SIL 3 D5299 1301015 O16 Deo 02102023 G24 Front Panel and Features SIL 3 according to IEC 61508 for Tproof 10 20 yrs 10 20 of total SIF SIL 2 according to IEC 61508 for Tproof 20 yrs 10 of total SIF e PFDavg 1 year 7 01 E 06 SFF 99 60 for NE Load e Installation in Zone 2 Line input monitoring e Relay coil short circuit detection Line and Load short open circuit detection e Solenoid resistance measurement even in presence of serial connected diodes proprietary patent pending resistance measuring technique e RMS measurement of voltage before and after load energization and current supplied to the load via relay contacts e Automatic acquisition of voltage current and solenoid resistance values at start up e 4 A high availability SIL 3 contacts for NE load 6 A inrush current at 24 Vdc 250 Vac nput Output Supply isolation e EMC Compatibility to EN61000 6 2 EN61000 6 4 EN61326 1 EN61326 3 1 for safety system e ATEX IECEx Russian and Ukra
8. S to a PC via USB serial line in order to configure and to monitor the operation parameters by means of SWC5090 software The PPC5092 unit is connected to D5293S by mini USB and to PC by USB port This adapter is not ATEX UL or FM approved and is only to be used in Safe Area Non Hazardous Locations Do not use PPC5092 in Hazardous Area Hazardous Locations The PPC5092 adapter is powered by the PC no battery power when its USB port is plugged into the PC It has a green LED as power on indication SWC5090 Configuration amp Monitoring Software G M International SWC5090 Configuration Software D52935 Module Tag loop1 Measured Values User Manual Settings Faut Conditions Monitoring i Load Supply Voltage RMS V SSS i Load Supply Voltage RMS Vv 23 9 Load Supply Voltage Load Curent i Load Curent RMS A 0 073 j Load Curent RMS A O08 i C Load OFF Resistance Load OFF Resistance Ohm 5000 Load OFF Resistance Ohm ol C Isolation Resistance Isolation Resistance kOhm 3000 Isolation Resistance kOhm 0 i Coil Integrity a Coil Integrity ek if Supply Voltage Limits W 12 Tag pears os a onl eo U oop Continuous Scan Load OFF Res Limits Ohm ONG eE L Acquire Functions a Description of the parameters refer to ISM0154 instruction manual of Installation and use of the SWC5090 for more information USER MANUAL SETTINGS Nominal values and acceptable ranges of the fie
9. Termination Board Weight about 170 g Connection by polarized plug in disconnect screw terminal blocks to accommodate terminations up to 2 5 mm2 Location Safe Area Non Hazardous Locations or Zone 2 Group IIC T4 installation Protection class P 20 Dimensions Width 22 5 mm Depth 123 mm Height 120 mm Programming The module is fully programmable to set the operation parameters from PC by the GM Pocket Portable Adapter PPC5092 via USB serial line and SWC5090 Configurator software Measured values and diagnostic alarms can be read on both serial configuration or Modbus output line Measuring and Set limits working voltage and load characteristics to indicate normal working condition Parameters are Line Voltage value from 10 to 250 Vdc or Vac Load Current for energized condition Load Resistance for de energized condition Type of Faults programmability of which type of faults can deactivate the diagnostic relay output Each of the fault condition can be programmed to de energize the fault relay output Faults are Relay coil short circuit Line Voltage value out of boundary range Load Current value in energized condition out of boundary range Load Resistance value in de energized condition out of boundary range D5293 4 A SIL 3 Relay Output Module for NE Load with open short circuit diagnostic G M International ISM0122 3 13 14 15 16 21 22 23 24 G M International ISM0122 3 D5293 4 A SIL 3 Relay Output
10. as Modbus A MODBUS A RS485 m T IN OUT RS485 n H A 13 tam B SIL3 Out NELoad 4O aa Ou oa 14 Peete oe a i All relay contacts are shown B A F connector in de energized position Modbus RS485 Power and for diagnostic Fault Bus To prevent relay contacts from damaging connect an external protection fuse or similar chosen according to the relay breaking capacity diagram Application Application for D5293S SIL Load Normally Energized Condition NE Normal state operation De energized to trip operation AC AC 15 15 13 13 PLC Output ON Load Output OFF Load 24 Vdc 14 14 l 16 16 AC AC Contacts 13 15 and 14 16 in normal operation the relay is energized Contacts 13 15 and 14 16 the SIL 3 Safety Function is met when the contacts are closed load is energized relay is de energized contacts are open load is de energized To prevent relay contacts from damaging connect an external protection fuse or similar chosen according to the relay breaking capacity diagram D5293 4A SIL 3 Relay Output Module for NE Load with open short circuit diagnostic G M International ISM0122 3 Warning D5293S is an electrical apparatus installed into standard EN50022 T35 DIN Rail located in Safe Area or Zone 2 Group IIC Temperature Classification T4 Hazardous Area according to EN IEC60079 15 within the specified o
11. circuit detection is provided with solenoid resistance measurement even in presence of series connected diodes A patent pending proprietary resistance measuring technique performs the load short and open circuit diagnosis in de energized load status for DC or AC supply systems Load RMS voltage before and after its energization and current are measured from module Voltage current and solenoid resistance values are automatically acquired at start up User configurable limits set the minimum and maximum values of load resistance supply voltage DC or AC and load current consumption An external resistor can be added to reflect diagnostic conditions on the PLC Input The resistance value can be tailored according to the PLC requirements All diagnostic conditions that detect a fault on line and load open the fault relay contacts and are also available from a RS485 Modbus output to identify specific fault Mounting on standard DIN Rail with or without Power Bus or on customized Termination Boards in Safe Area or in Zone 2 Technical Data Supply 24 Vdc nom 21 6 to 27 6 Vdc reverse polarity protected ripple within voltage limits lt 5 Vpp 2 A time lag fuse internally protected Current consumption 24 V 50 mA typical with channel energized and no fault Power dissipation 1 2 W typical Isolation Test Voltage Output Input 2 5 KV Output Supply 2 5 KV Output Fault Outputs 2 5 KV Output RS485 Modbus 2 5 KV Input Supply 500 V Input Faul
12. e wiring cables have to be proportionate in base to the current and the length of the cable On the section Function Diagram and enclosure side a block diagram identifies all connections Identify the function and location of each connection terminal using the wiring diagram on the corresponding section as an example Connect 24 Vdc power supply positive at terminal 9 and negative at terminal 10 Connect positive input at terminal 1 and negative input at 2 Connect Fault output 1 30 V 500mA at terminals 3 and 4 and Fault output 2 250 V 3A at terminals 11 and 12 Connect A Modbus RS845 for diagnostic at terminal 5 or 7 and B at terminal 6 or 8 Connect positive output Normally Energized load at terminal 13 and negative at terminal 14 Connect positive Load Power DC AC at terminal 15 and negative at terminal 16 Connect ground at terminal 21 Installation and wiring must be in accordance to the relevant national or international installation standards e g IEC EN60079 14 Electrical apparatus for explosive gas atmospheres Part 14 Electrical installations in hazardous areas other than mines make sure that conductors are well isolated from each other and do not produce any unintentional connection Connect 1 1 SPST relay contacts checking the load rating to be within the contact maximum rating 4 A 250 Vac 1000 VA 4 A 250 Vdc 120 W resi
13. es It provides isolation between input and output contacts D5293S has 1 1 SPST contact for normally energized load SIL 3 Safety Function for NE load de energized in fail safe state is available at Terminal Blocks 13 14 When the driving signal is high 24 Vdc the relay is energized normal state SIL 3 contacts at terminals 13 15 and 14 16 are closed the load is energized The safety function is met when the driving signal is low 0 Vdc the relay is de energized fail safe state SIL 3 contacts at terminals 13 15 and 14 16 are opened the load is de energized Presence of diagnostic circuit power supply status of input output channel energized or de energized as well as any type of fault condition line and load short open circuit relay coil short circuit etc are displayed by related signalling LEDs green power supply yellow for status channel and red for fault Installation D5293S is a relay output module housed in a plastic enclosure suitable for installation on T35 DIN Rail according to EN50022 with or without Power Bus or on customized Termination Board D5293S unit can be mounted with any orientation over the entire ambient temperature range Electrical connection of conductors up to 2 5 mm are accommodated by polarized plug in removable screw terminal blocks which can be plugged in out into a powered unit without suffering or causing any damage for Zone 2 installations check the area to be nonhazardous before servicing Th
14. inian Certifications Simplified installation using standard DIN Rail and plug in terminal blocks with or without Power Bus or customized Termination Boards Terminal block connections SAFE AREA SIL 3 Output Normally Energized Load 1 Input SIL 3 Output Normally Energized Load 2 Input Load Power DC AC 3 Fault Output 1 30 V 500 mA or optional external testing resistor Load Power DC AC 4 Fault Output 1 30 V 500 mA or optional external testing resistor Earth 5 A Modbus Input Output RS485 Not used 6 B Modbus Input Output RS485 Not used 7 A Modbus Input Output RS485 internally connected to terminal 5 Not used 8 B Modbus Input Output RS485 internally connected to terminal 6 9 Power Supply 24 Vdc 10 Power Supply 24 Vdc 11 Fault Output 2 250 V 3 A 12 Fault Output 2 250 V 3 A Function Diagram SAFE AREA ZONE 2 GROUP IIC T4 MODEL D5293S 21 ______ 4 a ie 9 g 15 cn Diagnostic 1 mm Load Power DC AC 11 w 46 a s gt Fault Out 2 7 H gt m12 250 V 3 A of _ 6 t Fault Out 1 H gt wt Gov 100 mA 4 External esistor m oN Q lt A m T Ep
15. ld parameters MEASURED VALUES Diagnostic parameters measured in the field Load Supply Voltage RMS V RMS voltage in Volt applied to the load or to be applied to the load O Load Current RMS A RMS current in Ampere that flows through the load O Load OFF Resistance Ohm Load Line resistance in Ohm only in OFF state saturated in ON state Isolation Resistance kOhm Isolation resistance between the load and the earth in kOhm only in OFF state saturate in ON state O Coil Integrity Reports the coil short circuit only in ON state O Driver Status Indicates whether the load is energized ON or de energized OFF ACQUIRE FUNCTIONS Acquisition and saving of the diagnostic field parameters Acquire Off parameters The currently measured OFF parameters voltage load resistance and isolation resistance are copied to the User Manual Settings only in OFF state Acquire On parameters The currently measured ON parameters voltage and current are copied to the User Manual Settings only in ON state TAG Identification of the specific operating loop of D5293S D5294S module O Tag Loop name CONTINUOUS SCAN Continuous measurement of the field parameters C Start Stop Activates de activates the measurement of the field diagnostic parameters O Load Supply Voltage RMS V O Load Current RMS A O Load OFF Resistance Ohm Isolation Resistance kOhm O Supply Voltage Limits V O Load Current Limit
16. m and is listed for completeness When calculating the SFF this failure mode is not taken into account It is also not considered for the total failure rate safety function evaluation Failures of diagnostic circuits belong to this group e Failure rates table Failure category Failure rates FIT Agi Total Dangerous Detected failures Adu Total Dangerous Undetected failures isa Total Safe Detected failures Asu Total Safe Undetected failures Asu int Ano effect 395 70 Safe Undetected failures Asu int amp No Effect failures vostes Mot safe Total Failure Rate Safety Function Aga Agu Asa Asu MTBF Safety Function 1 Motsafe MTTR 8 hours Mrope Not Part failures Mot device Total Failure Rate Device Atot safe Anot part 1137 30 e Failure rates table according to IEC 61508 pe wa M w SF 0 00 FIT 395 70 FIT 0 00 FIT 1 60 FIT 99 60 e PFDavg vs T Proof table with determination of SIL supposing module contributes 10 of entire safety function T Proof 1 year T Proof 10 years T Proof 20 years e PFDavg vs T Proof table with determination of SIL supposing module contributes 20 of entire safety function T Proof 20 years G M International ISM0122 3 D5293 4 A SIL 3 Relay Output Module for NE Load with open short circuit diagnostic PPC5092 Adapter Operation The Pocket Portable Adapter type PPC5092 is suitable to connect the module D5293
17. only one of two relay contacts in series is open and other is blocked for welding into closed or open position this will be verified by testing the channel when input is supplied as described in the point 3 of this procedure Instead the presence of ohmic continuity measured by ohmmeter Ohm A implies that both relay contacts in series are blocked for welding into closed position while the presence of ohmic continuity measured by ohmmeter Ohm B implies that related relay contact is blocked for welding into closed position Supply the input channel terminals 1 2 of the unit under test and verify that ohmmeters Ohm A and Ohm B measure presence of ohmic continuity i e both AC and AC load lines are not interrupted because all NO contacts are closed 2 4 requisite is verified The absence of ohmic continuity measured by ohmmeter Ohm A implies that one of two relay contacts in series is blocked for welding into open position this could only be verified disassembling and individually testing each of two relay contacts Instead the absence of ohmic continuity measured by ohmmeter Ohm B implies that related relay contact is blocked for welding into open position Supply always the input channel terminals 1 2 of the unit under test and considering the measures of ohmmeter Ohm A to verify if one of two relay contacts in series is blocked for welding into closed position set ON internal SW1 DIP switches n 1 or 2
18. perating temperature limits Tamb 40 to 60 C D5293S must be installed operated and maintained only by qualified personnel in accordance to the relevant national international installation standards e g IEC EN60079 14 Electrical apparatus for explosive gas atmospheres Part 14 Electrical installations in hazardous areas other than mines following the established installation rules De energize power source turn off power supply voltage before plug or unplug the terminal blocks when installed in Hazardous Area or unless area is known to be nonhazardous Warning substitution of components may impair suitability for Zone 2 Warning de energize main power source turn off power supply voltage and disconnect plug in terminal blocks before opening the enclosure to avoid electrical shock when connected to live hazardous potential Explosion Hazard to prevent ignition of flammable or combustible atmospheres disconnect power before servicing or unless area is known to be nonhazardous Failure to properly installation or use of the equipment may risk to damage the unit or severe personal injury The unit cannot be repaired by the end user and must be returned to the manufacturer or his authorized representative Any unauthorized modification must be avoided Operation The single channel 4 A Relay Output D5293S is a relay module suitable for the switching of safety related circuits up to SIL 3 level according to IEC 61508 for high risk industri
19. s A O Load OFF Res Limits Ohm Isolation Res Limit kOhm Nominal voltage in Volt applied or to be applied to the load Nominal current in Ampere that flows through the load Nominal Load Line resistance in Ohm Nominal isolation resistance in kOhm Acceptable range in Volt below and above the nominal line voltage Acceptable range in Ampere below and above the nominal load current Acceptable range in Ohm below and above the nominal line resistance Acceptable range in kOhm below the nominal isolation resistance FAULT CONDITIONS MONITORING Conditions that activate the cumulative fault Load Supply Voltage O Load Current O Load OFF Resistance O Isolation Resistance O Coil Integrity D5293 4 A SIL 3 Relay Output Module for NE Load with open short circuit diagnostic When checked the line voltage can activate the cumulative fault When checked the load current can activate the cumulative fault When checked the line resistance can activate the cumulative fault When checked the earth isolation can activate the cumulative fault When checked the short circuit of the coils can activate the cumulative fault G M International ISM0122 3 Supported ModBus Parameters ModBus Baudrate and ModBus Format Each ModBus parameter is described by 16 bit word Param Address Description Notes o Omre PO ee 19200 e Moats acres o 36400 57600 18 Modbus Format u ee 115200 Modbus Error
20. stive load To prevent relay contacts from damaging connect an external protection fuse or similar chosen according to the relay breaking capacity diagram on data sheet The enclosure provides according to EN60529 an IP20 minimum degree of mechanical protection or similar to NEMA Standard 250 type 1 for indoor installation outdoor installation requires an additional enclosure with higher degree of protection i e IP54 to IP65 or NEMA type 12 13 consistent with the effective operating environment of the specific installation Units must be protected against dirt dust extreme mechanical e g vibration impact and shock and thermal stress and casual contacts If enclosure needs to be cleaned use only a cloth lightly moistened by a mixture of detergent in water Electrostatic Hazard to avoid electrostatic hazard the enclosure of D5293S must be cleaned only with a damp or antistatic cloth Any penetration of cleaning liquid must be avoided to prevent damage to the unit Any unauthorized card modification must be avoided According to EN61010 D5293 must be connected to SELV or SELV E supplies Relay output contact must be connected to load non exceeding category II overvoltage limits Warning de energize main power source turn off power supply voltage and disconnect plug in terminal blocks before opening the enclosure to avoid electrical shock when connected to live hazardous potential Start up Before powering the unit check that all
21. t Output 1 500 V Input Fault Output 2 2 5 KV Input RS485 Modbus 500 V Supply Fault Output 1 500 V Supply Fault Output 2 2 5 KV Supply RS485 Modbus 500 V Input 24 Vdc nom 21 6 to 27 6 Vdc reverse polarity protected ripple within voltage limits lt 5 Vpp Line input monitoring to allow DCS PLC line monitoring function pulse test Current consumption 24 V 45 mA with relay energized typical Power dissipation 1 1 W with 24 V input voltage relay energized typical Output voltage free 1 1 SPST relay contact at terminals 13 15 and 14 16 opens when relay de energized fail safe state close in energized condition Contact material Ag Alloy Cd free or AgSnOz Contact rating 4 A 250 Vac 1000 VA 4 A 250 Vdc 120 W resistive load DC Load breaking capacity Contact inrush current 6 A at 24 Vdc 250 Vac V V Mechanical Electrical life 5 10 3 104 operation typical Bounce time NO NC contact 3 8 ms typical Frequency response 10 Hz maximum fied ff 4 Fault detection load and line short open circuit monitoring Short output detection programmable load resistance 30 Q to 5 KQ typical Open output detection programmable load resistance 30 Q to 5 KQ typical A a Fault signalling voltage free NE 1 1 SPST relay contacts closed in normal status tH __ _ a SC output de energized contacts opened in fault condition Fault 1 output rating 500 mA 30 Vac 15 VA 500 mA 50 Vdc 25 W resisti
22. ve load Fault 2 output rating 3 A 250 Vac 750 VA 3 A 125 Vdc 120 W resistive load Response time 1 sec typical Modbus Output measure data load and line diagnostic monitoring Modbus RTU protocol up to 115 2 Kbit s with RS 485 connection on terminal blocks and Power Bus connector Terminating impedance 100 Q DIP switch selectable pull up and pull down resistor DIP switch selectable in addition to termination resistor i Transmission speed 4 8 9 6 19 2 38 4 57 6 115 2 Kbit s Transmission cable length lt 1200 m up to 93 75 Kbit s lt 1000 m up to 115 2 Kbit s A Compatibility 0 1 0 2 0 3 0 4 0 5 CE mark compliant conforms to 94 9 EC Atex Directive and to 2004 108 CE EMC Directive Environmental conditions Operating temperature limits 40 to 60 C relative humidity 95 up to 55 C Storage temperature limits 45 to 80 C Safety Description ay amp EG ATEX 3G Ex nA nC IIC T4 Gc IECEx Ex nA nC IIC T4 Gc non sparking electrical equipment 40 C lt Ta lt 60 C Approvals BVS 10 ATEX E 114 conforms to EN60079 15 IECEx BVS 10 0072 X conforms to IEC60079 15 Russia according to GOST 12 2 007 0 75 R 51330 0 99 R 51330 10 99 R 51330 14 99 2ExnAnCIICT4 X Ukraine according to GOST 12 2 007 0 22782 0 22782 3 22782 5 2ExslIT4 X TUV Certificate No C IS 204194 01 SIL 2 SIL 3 conforms to IEC61508 Mounting T35 DIN Rail according to EN50022 with or without Power Bus or on customized
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