Bender ISOMETER isoRW425, Manual

Page 1: ...Insulation monitoring device for unearthed IT AC AC DC and DC systems IT systems for railway applications up to 3 N AC AC DC 440 V Software version D0418 V2 xx ISOMETER isoRW425 isoRW425_D00052_04_M_XXEN 03 2019 ...

Page 2: ...1161 35301 Gruenberg Germany Tel 49 6401 807 0 Fax 49 6401 807 259 E mail info bender de Web http www bender de Bender GmbH Co KG All rights reserved Reprinting only with permission of the publisher Subject to change Photos Bender archives and bendersystembau archives ...

Page 3: ... 11 2 Safety instructions 12 2 1 General safety instructions 12 2 2 Work activities on electrical installations 12 2 3 Intended use 13 3 Function 14 3 1 Device features 14 3 2 Functional description 15 3 2 1 Monitoring of the insulation resistance R mode 16 3 2 2 Monitoring of the insulation impedance Z mode 17 3 2 3 Undervoltage overvoltage monitoring 17 3 2 4 Self test error codes 18 3 2 5 Malfu...

Page 4: ...g 30 5 Device operation 31 5 1 Display elements 32 5 2 Menu structure 33 5 3 Menu AL 34 5 3 1 Response value setting 34 5 4 Menu out 35 5 4 1 Configuration of the relay operating mode 35 5 4 2 Relay alarm assignment r1 and r2 and LED assignment 35 5 4 3 Fault memory configuration 36 5 4 4 Interface configuration 37 5 5 Menu t 38 5 5 1 Time configuration 38 5 6 Menu SEt 39 5 6 1 Function configurat...

Page 5: ...r 45 7 3 Exception code 45 7 3 1 Structure of the exception code 45 8 Modbus register assignment of the ISOMETER 46 8 1 Device specific data type of the ISOMETER 53 8 1 1 Device name 53 8 1 2 Measuring values 53 8 1 2 1 Float Floating point value of the channels 54 8 1 2 2 AT T Alarm type and test type internal external 55 8 1 2 3 R U Range and unit 56 8 1 3 Alarm assignment of the relays 57 8 2 C...

Page 6: ...aning of these symbols is explained below DANGER This signal word indicates that there is a high risk of danger that will result in death or serious injury if not avoided WARNING This signal word indicates a medium risk of danger that can lead to death or serious injury if not avoided CAUTION This signal word indicates a low level risk that can result in minor or moderate injury or damage to prope...

Page 7: ...pport Technical support by phone or e mail for all Bender products Questions concerning specific customer applications Commissioning Troubleshooting Telephone 49 6401 807 760 Fax 49 6401 807 259 In Germany only 0700BenderHelp Tel and Fax E Mail support bender service com This manual is intended for electrically skilledpersons working in electrical engineering and electronics ...

Page 8: ... no extra cost Telephone 49 6401 807 780 technical issues 49 6401 807 784 785 sales Fax 49 6401 807 789 E Mail repair bender service com 1 2 3 Field service On site service for all Bender products Commissioning parameter setting maintenance troubleshooting for Bender products Analysis of the electrical installation in the building power quality test EMC test thermography Training courses for custo...

Page 9: ... standard software as part of deliveries modificationsandchanges to general delivery conditions for products and services in the electrical indus try set out by the ZVEI Zentralverband Elektrotechnik und Elektronikindus trie e V German Electrical and Electronic Manufacturers Association also applies Sale and delivery conditions can be obtained from Bender in printed or elec tronic format 1 5 Inspe...

Page 10: ...ssioning operation and maintenance of the device Unauthorised changes to the device made by parties other than the manufacturer Non observance of technical data Repairs carried out incorrectly and the use of replacement parts or accessories not approved by the manufacturer Catastrophes caused by external influences and force majeure Mounting and installation with device combinations not recom mend...

Page 11: ...ommu nity In Germany these policies are implemented through the Electrical and Electronic Equipment Act ElektroG According to this the following applies Electrical and electronic equipment are not part of household waste Batteries and accumulators are not part of household waste and must be disposed of in accordance with the regulations Old electrical and electronic equipment from users other than...

Page 12: ...nd regulations must be complied with The European stand ard EN 50110 can be used as a guide Only skilled persons are permitted to carry out the work necessary to install commission and run a de vice or system DANGER Risk of electrocution due to electric shock Touching live parts of the system carries the risk of An electric shock Damage to the electrical installation Destruction of the device Befo...

Page 13: ... N AC AC DC systems do not influence the operating characteristics when a minimum load current of DC 10 mA flows A separate supply voltage Us allows deenergised systems to be monitored as well The maximum permissible system leakage capacitance Ce is 300 μF in R mode and 1μF in Z mode Any use other than that described in this manual is regarded as improper ToensurethattheISOMETER functionscorrectly...

Page 14: ...pacitance Ce up to 300 μF in R mode and 1μF in Z mode Automatic device self test with connection monitoring Selectable start up delay response delay and delay on release Two separately adjustable response ranges of 1 990 kΩ alarm 1 alarm 2 Alarm signalling via LEDs AL1 AL2 a display and alarm relays K1 K2 N C operation or N O operation can be selected for the relays Measured value indication via m...

Page 15: ...e sign preceding the insula tion resistance measurement The value range of the faulty conductor is 100 The partialresistancescan be calculatedfrom the totalinsulationresistanceRF and the faulty conductor R using the following formula Also from a minimum value of the nominal system voltage the ISOMETER de termines the insulation resistance RUGF from the residual voltages UL1e and UL2e It is an appr...

Page 16: ...d protected Parameterisation is also possible via the BMS bus for example by using the BMS Ethernet gateway COM465IP or the Modbus RTU 3 2 1 Monitoring of the insulation resistance R mode The two parameters that monitor the insulation resistance R1 and R2 can be found in the response value menu AL see table on Page 34 The value R1 can only be set higher than the value R2 Each time the mode is swit...

Page 17: ...he activated values Z1 or Z2 an alarm message willbe signalled IfZF exceeds the values Z1 or Z2 plus the hysteresis value see table on Page 34 the alarm will be cleared 3 2 3 Undervoltage overvoltage monitoring In the response value menu AL see Page 34 the parameters U and U for monitoring the nominal system voltage Un can be activat ed or deactivated The maximum undervoltage value is limited by t...

Page 18: ...meter Err in the out menu in the alarm assignment Error codes If contrary to expectations a device error should occur error codes will ap pear on the display Some of these are described below Error code Meaning E 01 PE connection error The connections E or KE to earth are interrupted Action Check connection eliminate error The error code will be erased automatically once the error has been elimina...

Page 19: ...o S Ct off This allows the ISOMETER to enter measurement mode quickly after connecting the supply voltage Us Automatic self test After switching on the supply voltage Us the device runs a self test and re peats it every 24 h selectable off 1h 24 h Manual self test A self test is initiated by pressing the test button for a period greater than 1 5 s While pressing the internal test button T all disp...

Page 20: ...onnection monitoring can be disconnected using the parameter nEt in the SEt menu 3 2 5 Malfunction In addition to the self test described above several functions in the insulation monitoring device are continuously checked during operation If a fault is de tected the device error Err will be signalled the error code E xx appears on the display as an identifier for the error type xx and the LEDs ON...

Page 21: ... 3 2 7 Measuring and response times The measuring time is the period essential for the detection of the measuring value The measuring time is reflected in the operating time tae In R mode the measuring time for the insulation resistance value is mainly de termined by the required measuring pulse duration which depends on the in sulation resistance RF and system leakage capacitance Ce of the system...

Page 22: ...d for interference suppression in the case of short measuring times An alarm will only be signalled when a threshold value of the respective meas uring value is violated for the period of ton without interruption Every time the threshold value is violated within the time ton the response time ton re starts once again Every alarm message listed in the alarm assignment has its own timer for ton Dela...

Page 23: ...ss the external button 1 5 s Reset with subsequent test Press the external button 1 5 s Stop measuring function Press and hold the external button The stop function can also be triggered by an interface command and in this case it can only be reset via the interface Only one ISOMETER may be controlled via a test reset button A galvanic parallel connection of several test or reset inputs for testin...

Page 24: ...device interface BMS bus protocol ASCII characters are used for the data transfer Modbus RTU Modbus RTU is an application layer messaging protocol and it provides Master Slave communication between devices that are connected alto gether via bus systems and networks Modbus RTU messages have a 16 bit CRC Cyclic Redundant Checksum which guarantees the reliability IsoData The ISOMETER continously send...

Page 25: ...ocol is activated With a valid bus address i e not equal to 0 the menu item baud rate is displayed in the menu The parameter value forthebaudrateindicatestheactivatedBMSprotocol In this event the baud rate for the BMS protocol is set to 9 600 baud If the baud rate is set unequal to the modbus protocol with configurable baud rate is activated ...

Page 26: ...ce with two M4 screws see the following sketch The dimension diagram sketch for screw mounting and DIN rail mounting are shown on the following page DANGER Risk of electric shock Touching uninsulated live conductors can result in death or serious injury Therefore avoid any physical contact with active conductors and ensure compliance with the regulations for working on electrical installations If ...

Page 27: ... and commissioning 27 isoRW425_D00052_04_M_XXEN 03 2019 All dimensions in mm The front plate cover can be opened at the lower part marked with an arrow 93 45 67 5 36 31 1 47 5 74 5 2 2 1 2 3 Click 2 x 1 x 100 107 Click M4 M4 ...

Page 28: ..._04_M_XXEN 03 2019 4 2 Wiring diagram For details about the conductor cross sections required for wiring refer to the technical data on Page 62 US 14 24 11 T R A B L1 KE A1 A2 14 24 11 K1 K2 E T R isoRW425 L1 L2 Test Reset COM465IP on off L2 RS 485 E PE L1 L2 L3 ...

Page 29: ...cross section as for A1 A2 is to be used L1 L2 Connection to the 3 N AC AC or DC system to be monitored T R Connection for the external combined test and reset button 11 14 Connection to alarm relay K1 11 24 Connection to alarm relay K2 A B RS 485 communication interface with connectable terminating resistance Example Connection of a BMS Ethernet Gateway COM465IP For UL applications Only use 60 75...

Page 30: ... disturbances the pulse symbol will be blanked 3 Starting a manual self test by pressing the test button T Whilst the test button is pressed and held down all display elements available for this device are shown During the test the tES symbol flashes Any internal malfunctions detected are shown on the display as error codes Page 18 The alarm relays are not checked during the test factory set ting ...

Page 31: ...n and settings Up and down button to navigate up or down the menu settings increasing or decreasing values MENU Pressing the MENU Enter button for more than 1 5 s Starts menu mode or when the device already is in menu mode Exit menu item Esc Any recent changes will not be stored Pressing the MENU Enter button for less than 1 5 s Confirms menu selection or confirms modified value The areas of the d...

Page 32: ... leakage capacitance Ce 2 Monitored conductor 3 Voltage type DC Voltage type AC 4 Measured values and units 5 Password protection is activated 6 In the menu mode the operating mode of the respective alarm relay is displayed 7 Communication interface With measured value isoData operation 8 The fault memory is activated 9 Status indicators 10 Identification for response values and response value vio...

Page 33: ...learing the history memory ESC Go to the next higher menu level Enter or t 5 min k R Z kΩ R kΩ C μF U L1 L2 V UL1 V UL2 V R U R kΩ Standard display Measurement display Menu Esc Menu selection AL out t SEt InF HiS ESC Enter Esc Parameter selection P1 Pn ESC Optional Passwort Edit parameters Save parameters Enter Enter Enter Esc Funktion Button Confirm Enter Menu Esc Test Reset Select acknowledge in...

Page 34: ...t to position off but can then be set to on again FAC Factory setting Cs User settings Display Activation Setting value Description FAC Cs Range FAC Cs R1 ON R2 990 40 kΩ Pre alarm value Ran1 Hys 25 min 1kΩ R2 ON 1 R1 10 kΩ Alarm value Ran2 Hys 25 min 1kΩ Z1 OFF Z2 500 60 kΩ Pre alarm value Zan1 Hys 25 min 1kΩ Z2 OFF 10 Z1 50 kΩ Alarm value Zan2 Hys 25 min 1kΩ U OFF 10 U 30 V Alarm value undervolt...

Page 35: ...vice can assign an asymmetrical insulation fault to the corresponding conductor L1 or L2 it will only signal the respective alarm Otherwise the alarms L1 und L2 will be signalled together Relay K1 Relay K2 Description Display FAC Cs Display FAC Cs n c n c Operating mode of the relay n c n o K1 r1 K2 r2 LEDs Alarm description Display FAC Cs Display FAC Cs ON AL1 AL2 OFF ON Device error E xx r1 R1 Ω...

Page 36: ... r2 Z1 Ω OFF Pre alarm Z1 r1 Z2 Ω OFF r2 Z2 Ω ON Alarm Z2 r1 U V OFF r2 U V ON Alarm Un Undervoltage r1 U V OFF r2 U V ON Alarm Un Overvoltage r1 Test OFF r2 Test OFF Manually started device test r1 S AL OFF r2 S AL OFF Device start with alarm Display FAC Cs Description M OFF Memory function for alarm messages fault memory K1 r1 K2 r2 LEDs Alarm description Display FAC Cs Display FAC Cs ON AL1 AL2...

Page 37: ...cription Range FAC Cs Adr 0 3 90 3 Bus Adr Adr 0 deactivates BMS as well as Modbus and activates isoData with con tinuous data output 115k2 8E1 Adr 1 Baud rate BMS bus 9k6 7E1 1 2k 115k Modbus variable var Adr 2 8E1 8o1 8n1 8n2 8E1 ModBus 8E1 8 data bits even parity 1 stop bit 8o1 8 data bits odd parity 1 stop bit 8n1 8 data bits no parity 1 stop bit 8n2 8 data bits no parity 2 stop bit ...

Page 38: ...iguration FAC Factory setting Cs User settings Display Setting value Description Alarm assignment FAC Cs t 0 10 0 s Start up delay when starting the device ton 0 99 0 s Response delay K1 and K2 toff 0 99 0 s Delay on release K1 and K2 test OFF 1 24 24 h Repetition time device test ...

Page 39: ...n Setting value Description FAC Cs Value range FAC Cs OFF 0 999 0 Password for parameter setting Z OFF 50 0 60 0 50 0 Hz Z mode Activate impedance calculation ZF andselectassociated system frequency fn nEt ON Test the system connec tion during device test S Ct ON Device test during device start FAC Restore factory settings SYS For Bender Service only ...

Page 40: ...in The fault location will only be stored in the history memory HiS in R mode In Z mode only will ZF be stored in the his tory memory The pulse symbol indicates a current measured value If this symbol does not appear the measurement is still running and the latest valid measured value will be displayed The symbols or will be displayed ad ditionally to the measured value when a response value has b...

Page 41: ...n 1 nF U L1 L2 V Nominal system voltage L1 L2 Un 0 VRMS 500 VRMS Resolution 1 VRMS U L1 V Residual voltage L1 PE UL1e 0 VDC 500 VDC Resolution 1 VDC U L2 V Residual voltage L2 PE UL2e 0 VDC 500 VDC Resolution 1 VDC R Fault location in 100 100 Indication only from Un 20 VDC RL1F 200 RF 100 x RL2F 200 RF 100 x U R kΩ Insulation resistance RUGF 1 kΩ 4 MΩ Resolution 1 kΩ 10 kΩ Indication only from Un ...

Page 42: ... BMS bus protocol ASCII characters are used for the data transfer BMS channel no Operation value Alarm 1 RF Pre alarm R1 2 RF Alarm R2 3 ZF Alarm Z2 4 Un Undervoltage 5 Un Overvoltage 6 Connection fault earth E 01 7 Connection fault system E 02 8 All other device faults E xx 9 Fault location 10 Ce 11 ZF Pre alarm Z1 12 Update counter 13 UL1e 14 UL2e 15 RUGF ...

Page 43: ...SOMETER holding registers using the function code 0x03 For this purpose the start address and the number of the registers to be read out have to be entered Up to 125 Words 0x7D can be read out by one single request 7 1 1 Command of the master to the ISOMETER In the following example the ISOMETER master requests the content of the register1003 withthe address3 The register containsthechannel descri...

Page 44: ...able on Page 46 7 2 1 Command of the master to the ISOMETER In this example in the ISOMETER with address 3 the content of the register address 3003 is set to 2 Byte Name Example Byte 0 ISOMETER Modbus address 0x03 Byte 1 Function code 0x03 Byte 2 Number of data bytes 0x02 Byte 3 4 Data 0x0047 Byte 7 8 CRC16 Checksum 0x81B6 Byte Name Example Byte 0 ISOMETER Modbus address 0x03 Byte 1 Function code ...

Page 45: ...METER Modbus address 0x03 Byte 1 Function code 0x10 Byte 2 3 Start register 0x0BBB Byte 4 5 Number of registers 0x0001 Byte 6 7 CRC16 Checksum 0x722A Exception code Description 0x01 Impermissible function 0x02 Impermissible data access 0x03 Impermissible data value 0x04 Internal fault 0x05 Acknowledgement of receipt answer will be time delayed 0x06 Request not accepted repeat request if necessary ...

Page 46: ...er Measuring value Device fault Without alarm Alarm 1 Alarm 2 1000 to 1003 RF Insulation fault 71 no alarm RF Insulation fault 1 prewarning RF Insulation fault 1 alarm Connection earth 102 device fault 1004 to 1007 ZF Insulation fault 86 no alarm ZF Insulation fault 86 prewarning ZF Insulation fault 86 alarm 1008 to 1011 Un Voltage 76 no alarm Un Undervoltage 77 alarm Un Overvoltage 78 alarm Conne...

Page 47: ... refer to Chapter 8 1 2 2 1016 to 1019 UL1e Voltage 76 no alarm 1020 to 1023 UL2e Voltage 76 no alarm 1024 to 1027 Faultlocation in 1022 no alarm 1028 to 1031 RUGF Insulation fault 71 no alarm 1032 to 1035 Actual meas urement 1022 no alarm Device fault 115 device fault Register Measuring value Device fault Without alarm Alarm 1 Alarm 2 ...

Page 48: ...00 RW Activation of pre alarm value impedance meas urement Z1 UINT 16 2 3 3001 RW Pre alarm value impedance measurement Z1 UINT 16 kΩ Z2 500 3002 RW Activation of alarm value impedance meas urement Z2 UINT 16 2 3 3003 RW Alarm value impedance measurement Z2 UINT 16 kΩ 10 Z1 3004 RW Activation Pre alarm value resistance measurement R1 UINT 16 0 1 2 3 3005 RW Pre alarm value resistance measurement R...

Page 49: ...ltage U UINT 16 0 1 3009 RW Alarm value undervoltage UINT 16 V 10 U 3010 RW Activation alarm value overvoltage U UINT 16 0 1 3011 RW Alarm value Overvoltage U UINT 16 V U 500 3012 RW Memory function for alarm mes sages Fault memory M UINT 16 0 1 3013 RW Operating mode of relay 1 r1 UINT 16 0 n o 1 n c 3014 RW Operating mode of relay 2 r2 UINT 16 0 n o 1 n c 3015 RW Bus address Adr UINT 16 0 3 90 R...

Page 50: ...1 8O1 2 8E1 3 8N2 3018 RW Start up delay t during device start UINT 16 s 0 10 3019 RW Response delay ton for relays K1 and K2 UINT 16 s 0 99 3020 RW Delay on release toff for relays K1 and K2 UINT 16 s 0 99 3021 RW Repetition time test for automatic device test UINT 16 0 OFF 1 1 h 2 24 h 3022 RW Parameter Z Activation of Z mode for impedance calculation UINT 16 0 1 Register Permissions Description...

Page 51: ... test dur ing device start S Ct UINT 16 0 1 3026 RW Request stop mode 0 deacti vate device UINT 16 0 Stop 1 3027 RW Alarmassignment of relay 1 r1 UINT 16 Bit 11 Bit 1 3028 RW Alarmassignment of relay 2 r2 UINT 16 Bit 11 Bit 1 8004 WO Factory setting only for parame ters resettable by FAC UINT 16 0x4653 FS 8005 WO Start device test UINT 16 0x5445 TE 8006 WO Clear fault mem ory UINT 16 0x434C CL Reg...

Page 52: ...ve 1 3 active 9800 to 9809 RO Device name UNIT 16 ASCII refer to Chapter 8 1 1 9820 RO Software ID number UINT 16 Software ID number 9821 RO Software version number UINT 16 Software version 9822 RO Software version Year UINT 16 9823 RO Software version Month UINT 16 9824 RO Software version Day UINT 16 9825 RO Modbus driver version UINT 16 Register Permissions Description Format Unit Value range ...

Page 53: ... bytes 4 reg isters The first measuring value register address is 1000 The structure of a channel is always identical Content and number depend on the device The structure of a channel is shown with the example of channel 1 Word 0x00 0x01 0x02 0x03 0x08 0x09 10 Words in total Each Word contains two ASCII characters 1000 1001 1002 1003 HiByte LoByte HiByte LoByte HiByte LoByte HiByte LoByte Floatin...

Page 54: ...ating point value of the channels Presentation of the bit order for processing analogue measuring values ac cording to IEEE 754 S Sign E Exponent M Mantissa Word 0x00 0x01 Byte HiByte LoByte HiByte LoByte Bit 31 30 24 23 22 16 15 8 7 0 S E E E E E E E E M M M M M M M M M M M M M M M M M M M M M M M ...

Page 55: ...values are reserved The complete byte is calculated from the sum of the alarm type and the test type Bit 7 6 5 4 3 2 1 0 Meaning Test external Test internal Reserved Reserved Reserved Alarm Errors Alarm type X X X X X 0 0 0 No alarm X X X X X 0 0 1 Prewarning 0 0 X X X 0 1 0 Device error X X X X X 0 1 1 Reserved X X X X X 1 0 0 Warning X X X X X 1 0 1 Alarm X X X X X 1 1 0 Reserved X X X X X Reser...

Page 56: ...nit and the range of validity Bit 7 6 5 4 3 2 1 0 Meaning Unit 0 0 0 0 0 Invalid init 0 0 0 0 1 No unit 0 0 0 1 0 Ω 0 0 0 1 1 A 0 0 1 0 0 V 0 0 1 0 1 0 0 1 1 0 Hz 0 0 1 1 1 Baud 0 1 0 0 0 F 0 1 0 0 1 H 0 1 0 1 0 C 0 1 0 1 1 F 0 1 1 0 0 Second 0 1 1 0 1 Minute 0 1 1 1 0 Hour 0 1 1 1 1 Day 1 0 0 0 0 Month Range of validity 0 0 X X X X X X Actual value 0 1 X X X X X X The actual value is lower 1 0 X ...

Page 57: ...set bit activates the specified function Bit Display indication Meaning 0 Reserved When reading always 0 When writing any value 1 x Err Device error E xx 2 rx R1 Ω Pre alarm R1 Fault RF at L1 3 rx R1 Ω Pre alarm R1 Fault RF at L2 4 rx R2 Ω Alarm R2 Fault RF at L1 5 rx R2 Ω Alarm R2 Fault RF at L2 6 rx Z1 Ω Pre alarm Z1 7 rx Z2 Ω Alarm Z2 8 rx U V Alarm message Un Undervoltage 9 rx U V Alarm messag...

Page 58: ...e Parameter Measuring value description Alarm message Operating message Note 0 1 0x01 Insulation fault 71 0x47 Insulation fault Insulation resistance RF in Ω 76 0x4C Voltage Measured value in V 77 0x4D Undervoltage 78 0x4E Overvoltage 82 0x52 Capacitance Measured value in F 86 0x56 Insulation fault Impedance Zi 101 0x65 Connection system 102 0x66 Connection earth 115 0x73 Device error Fault ISOMET...

Page 59: ... Measured value parameter inactive 1020 0x3FC Measured value parameter only temporarily inactive e g while transmitting a new parameter Indication in the menu 1019 0x3FB Parameter measured value value unit not displayed 1018 0x3FA Parameter code selection menu unit not displayed 1017 0x3F9 String max 18 characters e g device type variant 1016 0x3F8 1015 0x3F7 Time 1014 0x3F6 Date Day 1013 0x3F5 Da...

Page 60: ...enu item Adr when it has been set to Adr 0 In this event the symbol Adr flashes on the measuring value dis play String Description Start symbol v Insulation fault location 1234 5 Insulation resistance RF kΩ 1234 System leakage capacitance Ce R mode μF Z mode nF 1234 5 Insulation impedance ZF kΩ 1234 Nominal system voltage Un VRMS Nominal system voltage type AC or unknown DC 1234 Residual voltage U...

Page 61: ...ning insulation resistance RF symmetrical 0x0010 Alarm insulation resistance RF at L1 0x0020 Alarm insulation resistance RF at L2 0x0030 Alarm insulation resistance RF symmetrical 0x0040 Prewarning insulation impedance ZF 0x0080 Alarm insulation impedance ZF 0x0100 Alarm undervoltage Un 0x0200 Alarm overvoltage Un 0x0400 Message system test 0x0800 Device start with alarm 1 Update counter consecuti...

Page 62: ...e category III Rated impulse voltage IC1 IC2 4 6 kV IC2 IC3 4 4 kV IC3 IC4 4 kV Rated insulated voltage IC1 IC2 4 500 V IC2 IC3 4 250 V IC3 IC4 250 V Polution degree 3 Protective separation reinforced insulation between IC1 IC2 4 Overvoltage category III 600 V IC2 IC3 4 Overvoltage category III 300 V IC 3 IC4 Overvoltage category III 300 V Voltage test routine test according to IEC 61010 1 IC2 IC3...

Page 63: ...citance Ce R mode 300 μF Permissible system leakage capacitance Ce Z mode 1 μF Permissible extraneous DC voltage Ufg 700 V Response values Response value Ran1 2 990 kΩ 40 kΩ Response value Ran2 1 980 kΩ 10 kΩ Relative uncertainty Ran R modeor ZF RF 15 at least 1 kΩ Hysteresis Ran 25 at least 1 kΩ Response value Zan1 11 500 kΩ off Response value Zan2 10 490 kΩ off Relative uncertainty Zan 15 at lea...

Page 64: ...Display range measured value nominal system voltage Un 0 500 VRMS Operating uncertainty 5 at least 5 V Display range measured value system leakage capacitance of RF 10 kΩ 0 300 μF Operating uncertainty 15 at least 2 μF Display range measured value system leakage capacitance of ZF 10 kΩ 1 nF 1 μF Operating uncertainty ZF Xc 15 at least 2 nF Password off 0 999 0 off Fault memory alarm messages on of...

Page 65: ...2 4 DIN EN50121 3 2 Ambient temperatures Operation 40 70 ºC Transport 50 85 ºC Storage 55 80 ºC Climatic class acc to IEC 60721 Stationary use IEC 60721 3 3 3K7 Transport IEC 60721 3 2 2K4 Long time storage IEC 60721 3 1 1K6 Classification of mechanicalconditions acc to IEC 60721 Stationary use IEC 60721 3 3 3M7 Transport IEC 60721 3 2 2M4 Long term storage IEC 60721 3 1 1M12 Connection Connection...

Page 66: ...e without ferrules 0 75 2 5 mm2 flexible with ferrules with without plastic sleeve 0 25 2 5 mm2 Multi conductor flexible with TWIN ferrules with plastic sleeve 0 5 1 5mm2 Opening force 50 N Test opening diameter 2 1 mm Other Operating mode continuous operation Mounting cooling slots must be ventilated vertically Degree of protection built in components DIN EN 60529 IP30 Degree of protection termin...

Page 67: ...0413 8 2015 12 Ber1 2016 12 DIN EN 50155 2014 12 IEC 61557 8 2014 COR1 2016 Subject to change The specified standards take into account the edition valid until 03 2019 unless otherwise indicated 10 3 Ordering information Type Version Art no isoRW425 D4W 4 Push wire terminal B71037000W isoRW425 D4W 4 Screw type terminal B91037000W Mounting clip for screw fixing 1 piece per device B98060008 ...

Page 68: ...Technical data 68 isoRW425_D00052_04_M_XXEN 03 2019 ...

Page 69: ...Technical data 69 isoRW425_D00052_04_M_XXEN 03 2019 ...

Page 70: ...s 32 E Error codes 18 F Factory setting 23 Fault memory 23 Functional description 15 H History memory 24 40 How to use this manual 6 I Installation and connection 26 Intended use 13 Interface protocols BMS 24 IsoData 24 Modbus RTU 24 IsoData Data string 60 M Malfunction 20 Measuring times 21 Menu AL 34 out 35 t 38 Overview 33 Modbus Register assignment 46 Monitoring for undervoltage and overvoltag...

Page 71: ...m assignment 35 Reset button T R 23 Response delay 22 Response times 21 Response value setting 34 S Safety instructions 12 Self test 18 Automatic 19 Manual 19 Signalling assignment of the alarm relays K1 K2 20 Start up delay 23 T Technical data 62 Total response time 21 W Wiring diagram 28 Workactivitiesonelectricalinstallations 12 ...

Page 72: ... GmbH Co KG Londorfer Str 65 35305 Gruenberg Germany P O Box 1161 35301 Gruenberg Germany Tel 49 6401 807 0 Fax 49 6401 807 259 E mail info bender de Web http www bender de Photos Bender archive BENDER Group ...