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Bender ISOMETER isoHV525, Manual

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Table of contents

isoHV525_D00297_04_M_XXEN/05.2018

1.  Important information ........................................................................... 6

1.1

How to use this manual ................................................................................... 6

1.2

Technical support: Service and support .................................................... 7

1.2.1

First level support .............................................................................................. 7

1.2.2

Repair service ...................................................................................................... 7

1.2.3

Field service ......................................................................................................... 8

1.3

Training courses ................................................................................................. 8

1.4

Delivery conditions ........................................................................................... 8

1.5

Inspection, transport and storage ............................................................... 8

1.6

Warranty and liability ....................................................................................... 9

1.7

Disposal ................................................................................................................. 9

2.  Safety instructions ............................................................................... 10

2.1

General safety instructions .......................................................................... 10

2.2

Work activities on electrical installations ................................................ 10

2.3

Intended use ..................................................................................................... 11

3.  Function ................................................................................................. 12

3.1

isoHV525-M4-4 ................................................................................................. 12

3.1.1

Features .............................................................................................................. 12

3.1.2

Function description ...................................................................................... 12

3.1.2.1

Manual self test ............................................................................................... 12

3.1.2.2

Malfunction ...................................................................................................... 13

3.1.2.3

Signalling assignment of the alarm relays K1/K2 ............................... 13

3.1.2.4

Measuring and response times ................................................................. 13

3.1.2.5

External, combined Test or Reset button T/R ...................................... 13

3.1.2.6

Analogue output ............................................................................................ 14

3.2

isoHV525-S4-4 .................................................................................................. 15

3.2.1

Device features ................................................................................................. 15

Summary of Contents for ISOMETER isoHV525

Page 1: ...SOMETER isoHV525 Insulating monitoring device for unearthed AC AC DC and DC systems IT systems up to 3 N AC AC DC 0 1000 V or DC 0 1000 V Software versions D0500 V1 xx D0453 V1 xx isoHV525_D00297_04_M_XXEN 05 2018 ...

Page 2: ...rmany Londorfer Str 65 35305 Gruenberg Germany Tel 49 6401 807 0 Fax 49 6401 807 259 E mail info bender de www bender de Bender GmbH Co KG All rights reserved Reprinting only with the permission of the publisher Subject to change Photos Bender archive ...

Page 3: ...nty and liability 9 1 7 Disposal 9 2 Safety instructions 10 2 1 General safety instructions 10 2 2 Work activities on electrical installations 10 2 3 Intended use 11 3 Function 12 3 1 isoHV525 M4 4 12 3 1 1 Features 12 3 1 2 Function description 12 3 1 2 1 Manual self test 12 3 1 2 2 Malfunction 13 3 1 2 3 Signalling assignment of the alarm relays K1 K2 13 3 1 2 4 Measuring and response times 13 3...

Page 4: ...2 2 7 Interface protocols 19 4 Installation connection and commissioning 21 4 1 Mounting 21 4 2 Connecting the device 21 4 3 Commissioning 25 5 isoHV525 S4 4 parameter overview 26 5 1 Setting the response value 26 5 2 Configuration of the relay operating mode 26 5 2 1 Alarm assignment r1 and r2 27 5 2 2 Fault memory configuration 27 5 3 Interface configuration 28 5 4 Time configuration 28 5 5 Func...

Page 5: ...e ISOMETER s answers the Master 32 7 3 Exception code 33 7 3 1 Structure of the exception code 33 8 ISOMETER Modbus register assignment 34 8 1 Device specific data type of the ISOMETER 37 8 1 1 Device name 37 8 1 2 Measured value 38 8 1 2 1 Float Floating point value of the channels 38 8 1 2 2 AT T Alarm type and test type internal external 38 8 1 2 3 R U Range and unit 39 8 1 3 Alarm assignment o...

Page 6: ... qualified personnel working in electrical engineering and electronics DANGER Thissignalwordindicatesthatthereisahighriskofdangerthatwillresult in death or serious injury if not avoided WARNING Thissignalwordindicatesamediumriskof danger thatcan lead todeath or seriousinjury if not avoided CAUTION This signal word indicates a low level risk that can result in minor or moderate injury or damage to ...

Page 7: ... com 1 2 2 Repair service Repair calibration update and replacement service for Bender products Repairing calibrating testing and analysing Bender products Hardware and software update for Bender devices Delivery of replacement devices in the event of faulty or incorrectly delivered Bender devices Extended warranty for Bender devices with in house repair service or replace ment device at no extra ...

Page 8: ...ale and delivery conditions apply For software products the Softwareklausel zur Überlassung von Standard Software als Teil von Lieferungen Ergänzung und Ände rung der Allgemeinen Lieferbedingungen für Erzeugnisse und Leistungen der Elektro industrie software clause in respect of the licensing of standard software as part of deliveries modifications and changes to general delivery conditions for pr...

Page 9: ...he device Furthermore the rules and regulations that apply for ac cident prevention at the place of use must be observed 1 7 Disposal Abide by the national regulations and laws governing the disposal of this device Ask your supplier if you are not sure how to dispose of the old equipment The directive on waste electrical and electronic equipment WEEE directive and the di rective on the restriction...

Page 10: ... and regulations must be complied with The European standard 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 device 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 11: ...cation indicated in the technical specifications Any use other than that described in this manual is regarded as improper Two variants of the isoHV525 ISOMETER s are available isoHV525 M4 4 with an analog output isoHV525 S4 4 with a serial interface Only skilled persons are permitted to carry out the work necessary to install commission and run a device or system To ensure that the ISOMETER functi...

Page 12: ...e function can be tested using the Test Reset button 3 1 2 1 Manual self test The integrated self test function tests the function of the insulation monitoring device and the connection to earth A self test is started by pressing the external Test Reset button Relay 1 K1 is switched during a manual self test In the event of a fault relay 2 K2 switches and the measuring function is interrupted Inte...

Page 13: ...ng pulse duration which depends on the insulation resistance and system leakage capacitance of the sys tem to be monitored The measuring pulse is produced by the measuring voltage ge nerator which is integrated in the ISOMETER System disturbances may lead to extended measuring times Operating time tae The operating time tae is the time required by the ISOMETER to determine the meas ured value For ...

Page 14: ...n FAC U 0 10 V 0 10 V Permissible load 20 kΩ on 120 kΩ The scaled reference value for thr displayed non linear resistance at 50 of interface control Variable Description RF Insulation fault in kΩ RSKM Scaled reference value in kΩ i e 120 kΩ A1 Upper analogue output value i e 10 V A2 Measured analogue output value The analog output provides stable output values only after the isoHV525 M4 4 has been...

Page 15: ...lowing protocols BMS interface Bender measuring device interface for data exchange with other Bender components Modbus RTU IsoData for continuous data output 3 2 2 Function description The ISOMETER measures the insulation resistance RF and the system leakage capaci tance Ce between the system to be monitored L1 L2 and earth PE The RMS value of the nominal system voltage Un between L1 and L2 as wel...

Page 16: ...signed by Bender Parameterisation of the ISO METER isoHV525 S4 4 is also possible via the BMS bus for example by means of a BMS Ethernet gateway COM465IP or Modbus RTU 3 2 2 1 Manual self test The integrated self test function tests the function of the insulation monitoring device and the connection to IT system to be monitored A self test is started by pressing the external test reset button Rela...

Page 17: ...tor integrated in the ISOMETER The measuring times for Ce UL1e UL2e and R are synchronous System disturbances may lead to extended measuring times In contrast the time for the nominal system voltage measurement Un is independent and consi derably shorter Response delay ton The response delay ton can be set uniformly for all messages using the parameter ton whereby each alarm message specified in t...

Page 18: ... s in the parameter t is suppressed 3 2 2 5 External combined Test or reset button T R Reset Press 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 Only one ISOMETER may be controlled via an external Test Reset button A galvanic parallel connection of several test or reset inputs for testing multiple ins...

Page 19: ...orks Modbus RTU messages have a 16 bit CRC Cyclic Redundant Checksum which guarantees reliability IsoData The ISOMETER continuously sends an ASCII data string with a cycle of approximately 1 s Communication with the ISOMETER within this mode is not possible and no addi tional transmitter may be connected to the RS 485 bus cable The ASCII data string for the ISOMETER is described on Page 43 The iso...

Page 20: ...ls are configured via the RS 485 interface With Adr 0 the IsoData protocol is activated The parameter value forthebaudrateindicatestheactivatedBMSprotocol Inthiscase thebaud 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 21: ...onnection of terminals L1 red and L2 blue to the IT system to be monitored devices for protection against a short circuit in accordance with IEC 60364 4 43 can be omitted if the wiring is carried out in such a way as to reduce the risk of a short circuit to a minimum Only one ISOMETER may be controlled via an ex ternal Test Reset button The parallel connection of several test or reset inputs for c...

Page 22: ...ng diagram below 70 80 96 70 60 12 5 23 5 50 10 L2 L1 Signal cables Wires 1 11 Side view Front view Bottom view All dimensions are in mm US Blue L2 5 KE 1 A1 2 A2 Test Reset 10 14 11 24 9 11 K1 K2 6 T R Red L1 L1 L2 PE L3 7 M 8 M 0 10 V 4 E 3 E V L2 L1 Signal cables Wires 1 11 isoHV525 1 2 3 4 5 6 7 8 9 1 0 11 ISOMETER isoHV525 M4 4 ...

Page 23: ... installed Wire number Terminal Connection 1 2 A1 A2 Connection to the supply voltage Us via fuses line protec tion If supplied from an IT system both lines have to be protected by a fuse 3 and 4 5 E KE Connect each terminal separately to PE 6 T R Connection for the external combined Test Reset button 7 8 M M Analogue communication interface 9 10 11 11 14 24 Common connection for K1 und K2 Connect...

Page 24: ...wn in the wiring diagram below The lower temperature range applies only when the cable is firmly laid or installed US 5 KE 1 A1 2 A2 Test Reset 10 14 11 24 9 11 K1 K2 6 T R L1 L2 PE L3 COM465IP RS 485 7 A 8 B Blue L2 Red L1 4 E 3 E L2 L1 Signal cables Wires 1 11 isoHV525 1 2 3 4 5 6 7 8 9 1 0 11 isoHV525 S4 4 ISOMETER ...

Page 25: ...est 4 Check the function using a genuine insulation fault Check the ISOMETER in the system being monitored against earth by using a suitable resistance for example Wire number Terminal Connection 1 2 A1 A2 Connection to the supply voltage Us via fuses line protec tion If supplied from an IT system both lines have to be protected by a fuse 3 and 4 5 E KE Connect each terminal separately to PE 6 T R...

Page 26: ...vated or deactivated to monitor the nominal system voltage Un The maximum undervoltage value is limited by the overvoltage val ue FAC Factory setting Cs Customer setting 5 2 Configuration of the relay operating mode FAC Factory setting Cs Customer setting Para meter Activation Setting Description Available via FAC Range FAC Cs BMS Modbus R1 on R2 500 50 kΩ Pre alarm Ran1 Hys 25 min 1kΩ X X R2 on 1...

Page 27: ...d only Assigning a new value is not possible 5 2 2 Fault memory configuration FAC Factory setting Cs Customer setting K1 r1 K2 r2 Alarm description Available via FAC Cs FAC Cs BMS Modbus off on Device error E xx X X on off Pre alarm R1 Fault RF on L1 X X on off Pre alarm R1 Fault RF on L2 X X off on Alarm R2 Fault RF on L1 X X off on Alarm R2 Fault RF on L2 X X off on Alarm Un Undervoltage X X off...

Page 28: ...us and activates isoData with conti nuous data output 115k2 8E1 X X 1 2k 115k Baud rate BMS bus 9k6 7E1 1 2k 115k2 Modbus variable variable X X 8E1 8o1 8n1 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 X Para meter Setting Description Available via Range FAC Cs BMS Modbus t 0 10 0 s Start up delay when starting the devi...

Page 29: ...ction during device test X X S Ct on Device test during device start X Description Insulation resistance RF 1 kΩ 4 MΩ Resolution 1 kΩ System leakage capacitance Ce 1 μF 200 μF Resolution 1 μF Nominal system voltage L1 L2 Un 0 VRMS 1 15k VRMS Resolution 1 VRMS Residual voltage L1 PE UL1e 0 VDC 1 15k VDC Resolution 1 VDC Residual voltage L2 PE UL2e 0 VDC 1 15k VDC Resolution1 VDC Fault location in 1...

Page 30: ...easuring device interface BMS bus protocol ASCII characters are used in the data transfer BMS channel no Operation value Alarm 1 RF Pre alarm R1 2 RF Alarm R2 3 Ce 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 UL1e 11 UL2e 12 Update counter 13 RUGe 14 15 ...

Page 31: ...d the number of the registers to be read have to be entered Up to 125 Words 0x7D can be read with one single request 7 1 1 Master device sends a command to the ISOMETER In the following example the ISOMETER master requests the content of register 1003 with address 3 The register contains the channel description of measuring channel 1 7 1 2 The ISOMETER s answers the Master Byte Name Example Byte 0...

Page 32: ... ISOMETER In this example the Master addresses the ISOMETER with address 3 and requests that the content of the register with address 3003 is set to 2 7 2 2 The ISOMETER s answers the Master Byte Name Example Byte 0 ISOMETER Modbus address 0x03 Byte 1 Function code 0x10 Byte 2 3 Start register 0x0BBB Byte 4 5 Number of registers 0x0001 Byte 6 Number of data bytes 0x02 Byte 7 8 Data 0x0002 Byte 9 1...

Page 33: ... narrowed down 7 3 1 Structure of the exception code 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 Byte Name Example Byte 0 ISOMETER Modbus address 0x03 Byte 1 Function code 0x03 0x80 0x83 Byte 2 ...

Page 34: ...arm 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 1008 to 1011 Un Voltage 76 no alarm Un Undervoltage 77 alarm Un Overvoltage 78 alarm Connection to system 101 device fault 1012 to 1015 Ce Capacitance 82 no alarm 1016 to 1019 UL1e Voltage 76 no alarm 1020 to 1023 UL2e Voltage ...

Page 35: ... alarm value undervoltage U UINT 16 0 Inactive 1 Active 3009 RW Alarm value under voltage U UINT 16 V 30 U 3010 RW Activation alarm value overvoltage U UINT 16 0 Inactive 1 Active 3011 RW Alarm value Overvoltage U UINT 16 1 10 V U 1100 3012 RW Memory function for alarm messages Fault memory M UINT 16 0 Inactive 1 Active 3013 RW Operating mode of relay 1 r1 UINT 16 0 n o 1 n c 3014 RW Operating mod...

Page 36: ...system connection during device test nEt UINT 16 0 Inactive 1 Active 3025 RW Device test during device start S Ct UINT 16 0 Inactive 1 Active 3026 RW Request stop mode 0 deactivate device UINT 16 0 Stop 1 3027 RW Alarm assignment of relay 1 r1 UINT 16 Bit 9 Bit 1 See Chapter 8 1 3 3028 RW Alarm assignment of relay 2 r2 UINT 16 Bit 9 Bit 1 See Chapter 8 1 3 8003 WO Factory settings for all paramete...

Page 37: ...ce name UNIT 16 ASCII refer to Chapter 8 1 1 9820 RO Software ID number UINT 16 Software D 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 Word 0x00 0x01 0x02 0x03 0x08 0x09 10 Words in total Each Word contains t wo ASCII characters...

Page 38: ...sured values according to IEEE 754 S Sign E Exponent M Mantissa 8 1 2 2 AT T Alarm type and test type internal external 1000 1001 1002 1003 HiByte LoByte HiByte LoByte HiByte LoByte HiByte LoByte Floating point value Float Alarm type and test type AT T Range and unit R U Channel description 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...

Page 39: ...X 1 1 0 Reserved X X X X X Reserved X X X X X 1 1 1 Reserved Test 0 0 X X X X X X No test 0 1 X X X X X X Internal test 1 0 X X X X X X External test 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...

Page 40: ...tivates 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 Prealarm R1 Fault R F at L1 3 rx R1 Ω Prealarm R1 Fault R F at L2 4 rx R2 Ω Alarm R2 Fault R F at L1 5 rx R2 Ω Alarm R2 Fault R F at L2 6 rx U V Alarm message Un undervoltage 7 rx U V Alarm message Un overvoltage 8 rx test Manually started self t...

Page 41: ...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 fault ISOMETER fault 129 0x81 Device fault 145 0x91 Own address ...

Page 42: ... inactive 1020 0x3FC Measured value parameter only temporarily inactive e g while trans mitting 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 device variant 1016 0x3F8 1015 0x3F7 Time 1014 0x3F6 Date Day 1013 0x3F5 Date Month 1012 0x3...

Page 43: ...al system voltage type AC or unknown DC 1234 Residual voltage UL1e VDC 1234 Residual voltage UL2e VDC 123 Insulation fault location 100 100 1234 5 Approximate asymmetrical insulation resistance RUGe kΩ 1234 Alarm message Hexadezimal without leading 0x The alarms are included in this value with the OR function Assignment of the alarms 0x0002 Device fault 0x0004 Prewarning insulation resistance RF a...

Page 44: ...impulse voltage IC1 IC2 4 8 kV IC2 IC3 4 4 kV IC 3 IC4 4 kV Rated insulation voltage IC1 IC2 4 1000 V IC2 IC3 4 250 V IC 3 IC4 250 V Pollution degree 3 Safe isolation reinforced insulation between IC1 IC2 4 Overvoltage category III 1000 V IC2 IC3 4 Overvoltage category III 300 V IC3 IC4 Overvoltage category III 300 V Voltage tests routine test acc to IEC 61010 1 IC2 IC3 4 AC 2 2 kV IC 3 IC4 AC 2 2...

Page 45: ...30 1 09 kV off Overvoltage detection 31 1 10 kV off Relative uncertainty U 5 at least 5 V Relative uncertainty depending on the frequency 200 Hz 0 075 Hz Hysteresis U 5 at least 5 V ISOMETER isoHV525 M4 4 Response value Ran1 for customized variant refer to the name plate 50 kΩ Response value Ran2 for customized variant refer to the name plate 25 kΩ Relative uncertainty Ran 15 at least 3 kΩ Hystere...

Page 46: ...side min J Y St Y 2x0 6 Terminating resistor 120 Ω 0 25 W internal can be connected Device address BMS bus Modbus RTU 3 90 3 Analogue output valid for isoHV525 M4 4 only Operating mode Mid scale 120 kΩ Functions Insulation value Voltage 0 10 V 20 kΩ Tolerance 10 2 of the full scale value Switching elements Switching elements 2 x1 N O contact common terminal 11 Operating principle N C operation N O...

Page 47: ...721 Stationary use IEC 60721 3 3 3M7 Transport IEC 60721 3 2 2M2 Long term storage IEC 60721 3 1 1M3 Connection type isoHV525 M4 4 0 8m cable isoHV525 S4 4 3m cable Minimum bending radius of the connection cable 40mm Other Operating mode continuous operation Degree of protection built in components DIN EN 60529 IP65 Device housing material Polycarbonate filled with Wevo PUR403FL Screw mounting 4 x...

Page 48: ...7 8 VDE 0413 8 2015 12 Ber1 2016 12 EN 50155 2008 03 IEC 61557 8 2014 COR1 2016 EN 45545 2 2013 A1 2015 for cable only UL94 V0 Subject to change The specified standards take into account the edition valid until 05 2018 unless otherwise indicated 10 3 Ordering information Type Version Article number isoHV525 M4 4 Analogue output B91036530 isoHV525 S4 4 Serial interface B91036531 ...

Page 49: ...Technical data 49 isoHV525_D00297_04_M_XXEN 05 2018 ...

Page 50: ... memory 18 Fault memory configuration 27 Function configuration 29 Function description 15 Interface configuration 28 Interface protocols 19 BMS 19 IsoData 19 Modbus RTU 19 Malfunction 17 Manual self test 16 Measured value description 29 Measuring time 17 Operating time 17 Parameter overview 26 Relay alarm assignment 27 Relay operating mode configuration 26 Response delay 17 Response time 17 Setti...

Page 51: ......

Page 52: ...Germany Londorfer Str 65 35305 Gruenberg Germany Tel 49 6401 807 0 Fax 49 6401 807 259 E mail info bender de www bender de Bender GmbH Co KG All rights reserved Reprinting only with permission of the publisher Subject to change Photos Bender archive ...

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