Bender ISOMETER isoNAV685-D Manual
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Bender ISOMETER isoNAV685-D Manual

Bender ISOMETER isoNAV685-D Manual

Insulation monitoring device for it ac systems with galvanically connected rectifiers and inverters
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Manual
ISOMETER®
isoNAV685-D
Insulation Monitoring Device for IT AC systems
with galvanically connected rectifiers and inverters
isoNAV685-D_D00215_02_M_XXEN/04.2017

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  • Page 1 Manual ISOMETER® isoNAV685-D Insulation Monitoring Device for IT AC systems with galvanically connected rectifiers and inverters isoNAV685-D_D00215_02_M_XXEN/04.2017...
  • Page 2 E-Mail: info@bender.de Web: www.bender.de Customer service: Service hotline: 0700-BenderHelp (Telephone and Fax) Carl-Benz-Straße 8 • 35305 Gruenberg • Germany © Bender GmbH & Co. KG Tel.:+49 6401 807-760 All rights reserved. Fax:+49 6401 807-629 Reproduction only with permission of the publisher.

  • Page 3: Table Of Contents

    Table of contents 1. Important information ..............6 6. Connection ..................16 1.1 How to use this manual ..........6 6.1 Connection requirements .
  • Page 4 Table of contents Table of contents 10.1 (1.9.5.3) Function 2 ........32 10.
  • Page 5 Table of contents Table of contents 10.1 (5.4.1) Brightness ........36 18.

  • Page 6: Important Information

    Bender devices WARNING • Extended guarantee for Bender devices, which includes an in-house repair service or replacement devices at no extra cost This signal word indicates a low level risk that can result in minor or mo-...

  • Page 7: Field Service

    *Available from 7.00 a.m. to 8.00 p.m. 365 days a year (CET/UTC+1) manufacturer and disposed of properly. **Mo-Thu 7.00 a.m. - 8.00 p.m., Fr 7.00 a.m. - 13.00 p.m. For more information on the disposal of Bender devices, refer to our homepage at 1.3 Training courses www.bender-de.com -> Service & support.

  • Page 8: Safety Instructions

    2.3 Device-specific safety information Part of the device documentation in addition to this manual is the enclosed "Safety in- structions for Bender products". Make sure that the basic settings meet the requirements of the IT system. Children and unauthorised persons must not have access to or contact 2.2 Work activities on electrical installations...

  • Page 9: Intended Use

    Safety instructions Safety instructions 2.4 Intended use Prevent measurement errors! When a monitored IT system contains galvanically coupled DC circuits, an insulation fault can only be detected correctly if the rectifier valves (e.g. Only qualified personnel are permitted to carry out the work necessary rectifier diode, thyristors, IGBTs, frequency inverters, …) carry a minimum to install, commission and run a device or system.

  • Page 10: Function

    To ensure proper functioning of connection monitoring, • Worldwide remote diagnosis via the Internet (made available by Bender Service the device requires the setting of the system type 3AC and the prescribed wiring of the...

  • Page 11: Interfaces

    The progress of the manual self test is shown on the LC display by a bar graph. Depending on the conditions in the IT system being monitored, the self test is completed after • BCOM for Bender device communication via Ethernet 15…20 seconds. The device then returns to the standard mode (measurement mode) •...

  • Page 12: Device Overview

    4. Device overview 4.1 Dimensions 1 0 8 m m 1 1 0 isoNAV685-D_D00215_02_M_XXEN/04.2017...

  • Page 13: Connections And Panel

    Display MENU RESET TEST DATA INFO LEDs: SERVICE, ALARM 1, ALARM 2 Optional expansion module for Bender devices (e. g. BB-Bus) Bottom Digital interface Ethernet interface Selectable resistance R 11 12 14 Connector for alarm relay 1 21 22 24 Connector for alarm relay 2 isoNAV685-D_D00215_02_M_XXEN/04.2017...

  • Page 14: Display Elements And Device Buttons

    Device overview Device overview 4.3 Display elements and device buttons Device buttons You can adjust the device settings in the respective menu using the menu buttons. Depending on the menu entry, one of the options displayed below is assigned to the buttons.

  • Page 15: Mounting

    Mounting 5. Mounting 5.1 General instructions 5.2 Screw mounting 19. Fix the three mounting clips delivered with the device (two of them packed separa- tely) manually or using a tool, as illustrated below. Only qualified personnel are permitted to carry out the work necessary 20.

  • Page 16: Din Rail Mounting

    Connection 6. Connection 6.1 Connection requirements 5.3 DIN rail mounting Consider the minimum distance to adjacent devices: 1. Fix the three mounting clips delivered with the device (two of them packed separa- lateral 0 mm, top 20 mm, bottom 20 mm. tely) manually or using a tool, as illustrated below.
  • Page 17 Connection Connection Prevent measurement errors! Provide line protection! When an AC system being monitored contains galvanically coupled DC According to DIN VDE 0100-430, a line protection shall be provided for the circuits, take into consideration that: an insulation fault can only be de- supply voltage.

  • Page 18: Connection To A 3(N)Ac System

    Connection Connection 6.2 Connection to a 3(N)AC system 6.3 Connection to the X1 interface Risk of injury, fire and damage to property due to a short circuit! According to DIN VDE 0100-430, devices used to protect against a short circuit when terminals L1/+, L2 und L3/- are coupled to the IT system to be monitored can be omitted if the wiring is carried out in such a manner as WARNING to reduce the risk of a short circuit to a minimum.

  • Page 19: Connection To The Supply Voltage

    Connection Connection 6.4 Connection to the supply voltage 6.5 Connection to the Ethernet interface External Power supply for powering the ISOMETER® via terminal X1 must fulfil immunity and emission standards of the required application. For wiring longer than 1 m the use of a shielded cable is prescribed. Danger of damage to property due to faulty connections! The device can be damaged if the unit is simultaneously connected to the supply voltage via the X1 interface, and A1/+ and A2/- terminals.

  • Page 20: Connection To The Relay 1 Interface (11 12 14)

    Connection Connection 6.6 Connection to the relay 1 interface (11 12 14) 6.7 Connection to the relay 2 interface (21 22 24) Relay 1 Relay 2 Common contact Common contact Normally closed (n.c) Normally closed (n.c) Normally open (n.o) Normally open (n.o) Position the terminal cover and click it into place Position the terminal cover and click it into place isoNAV685-D_D00215_02_M_XXEN/04.2017...

  • Page 21: Commissioning

    Commissioning 7. Commissioning 7.1 General initial commissioning process Commissioning flow chart 1. Check that the ISOMETER® is properly connected to the system to be monitored. Commissioning the ISOMETER® 2. Connect the supply voltage to the ISOMETER®. Adjust the device using the commis- sioning wizard.

  • Page 22: Recommissioning

    Display 8. Display 8.1 Standard display 7.2 Recommissioning During normal operation, the ISOMETER® displays the message OK and below, the If the device has already been put into operation before, the self test will be started short- currently measured insulation resistance. ly after the supply voltage has been connected.

  • Page 23: Fault Display (Active)

    Display Display 8.2 Fault display (active) 8.3 Fault display (inactive) An active fault is displayed by . The upper part of the display will become orange and An inactive fault is displayed by . If several faults have occurred, the number of faults displays the fault message.

  • Page 24: Acknowledge Fault Memory

    Display Display If several fault messages occur, navigate through the faults using the button. In 8.4 Acknowledge fault memory addition to the type of fault and the associated alarm value when the fault has occurred In order to acknowledge the fault message and return to the ISOMETER®'s standard and how long it has been active will be shown.

  • Page 25: Data-Isograph

    Display Display 8.5 Data-isoGraph 8.6 History memory The isoGraph represents the chronological sequence of the insulation resistance over Up to 1023 alarm messages and device errors are stored in the history memory with date time. This graphical representation can be displayed over the following time periods: and time stamp.

  • Page 26: Initial Measurement

    Display Display 8.7 Initial measurement During the initial measurement, the device records all measured values. All measured values that may have been recorded before will be discarded if a new initial measurement is started. IT System Initial Initial measurement measurement R(an) 40kΩ/10kΩ...

  • Page 27: Menu

    Menu 9. Menu 9.1 Menu structure 1. Alarm settings 5. Summer 1. Insulation alarm 1. Test 1. Alarm 1 2. Function 1 2. Voltage 3. Function 2 3. t(on) 4. Function 3 4. Memory 2. Profile 6. Analog 3. System type 1.

  • Page 28: Operating And Navigating

    Menu Menu 9.2 Operating and navigating Navigate through the device menu using the device buttons. The functions of the device buttons are described in the chapter “Display elements and device buttons” on page 9.2.1 Easy operation Navigation in lists To make a selection in a list, navigate using System type 5.6.6 buttons to the required •...
  • Page 29 Settings 10. Settings 10.1 Settings in the device menu 10.1 (1.1.4) Fault memory The fault memory can not be deactivated. If a fault becomes inactive, the programmed The settings of the ISOMETER® are explained in the order of the device menu. outputs remain in a fault condition until they are manually reset.
  • Page 30 Settings Settings 10.1 (1.7) Coupling monitoring The ISOMETER® carries out coupling monitoring of L1-L2-L3 only after the device has been restarted or during manual tests.This monitoring can be disabled. Reaction Reaction Coupling monitoring is activated. •on Impulse on Impulse off Coupling monitoring of L1-L2-L3 is turned off.
  • Page 31 Settings Settings 10.1 (1.8.1.4) Function 10.1 (1.9.1.3) Function 1 The parameters for the function of the digital inputs of the ISOMETER® can be set Up to three functions can be assigned to one output. The functions are linked to an OR differently: operator: Function 1...
  • Page 32 Settings Settings 10.1 (1.9.1.5) Function 3 Observe the maximum output current! Refer to “10.1 (1.9.1.3) Function 1”. Maximum output current in case of internal voltage supply via A1/+ and A2/-: 200 mA in total to X1. 10.1 (1.9.2) Relay 2 Also refer to the formula for calculating I in the Technical Data un- Refer to...
  • Page 33 Settings Settings Calculation of the insulation resistance using the analogue output: 10.1 (1.9.6) Analogue The following parameters can be set for the analogue output: Lower value Upper value Analogue output A Analogue output A ) * R 10.1 (1.9.6.1) Mode 0 mA 20 mA The following values can be set for the operating mode of the analogue output...
  • Page 34 Settings Settings 10.1 (2.0) Data measured values 10.1 (5.0) Device settings The ISOMETER® stores certain measured values for a specific period of time. You can view The device settings menu allows you to configure the basic settings for the ISOMETER®. these data at the "Data meas.
  • Page 35 Settings Settings 10.1 (5.2.3) Summer time 10.1 (5.2.6) NTP Summer time can be considered in the following settings: Select if you would like to synchronise the current time via NTP. You have to configure the NTP server in order to use this function (see“NTP server”...

  • Page 36: 1) Brightness

    Settings Settings 10.1 (5.3.2.2) IP 10.1 (5.3.3.5) TTL for subscription Set the appropriate IP address for the ISOMETER®. Set a time between 1 s…1092 min. This time defines the intervals at which the ISOMETER® sends messages to e.g. a gateway. 10.1 (5.3.2.3) SN Severe alarms (e.g.

  • Page 37: 2) Status

    The ISOMETER® restores your initial device settings. •Restore 10.1 (5.8) Service The service menu can only be accessed by Bender Service staff. 10.1 (6.0) Info The ISOMETER®'s current settings can be viewed in the Info menu. Navigate through the different views using the...

  • Page 38: Device Communication

    Data can be read out with a read command on the register address. With a write com- mand, data can be written into a register address. BCOM is intended for communication between Bender devices via Ethernet. The register addresses of the individual measured values und parameters can be found All devices that communicate via BCOM must have the same system name.

  • Page 39: Web Server

    • Maintenance ALARMS Indication of alarm messages. • Data storage of specific events for fast support by Bender Service. Activate and deactivate the indication of the Modbus information by PARAMETER selecting or deselecting the selection box for the question "Display ADDRESSES additional Modbus information for each parameter?".
  • Page 40 Device communication Web server user interface isoNAV685-D_D00215_02_M_XXEN/04.2017...
  • Page 41 Device communication Device communication Legend for user interface Main menu of the web server (first level) • START (1) • DEVICE (2) • ALARMS (3) • PARAMETER ADDRESSES (4) Refer to “Web server device menu (first level)” on page Menu Adjust device settings here.

  • Page 42: Device Profiles

    12. Device profiles Adjustment to different applications can be carried out very easily by selecting a device profile. System Nominal system Mains Measuring leakage Description voltage frequency voltage capacitance Main circuits without dynamic frequency changes. The universal profile is suitable for all systems primarily with constant mains fre- µF AC 0…690 V/ 15…460 Hz...

  • Page 43: Diagrams

    13. Diagrams 13.1 Response time profile power circuits Response time as a function of the response value (R ) and system leakage capacitance (C ) according to IEC 61557-8 (U = AC 690 V, f = 60 Hz) ≤ 150 μF ≤...

  • Page 44: Response Time Profile Inverter < 10 Hz

    Diagrams Diagrams 13.3 Response time profile inverter < 10 Hz Response time as a function of the response value (R ) and system leakage capacitance (C ) according to IEC 61557-8 (U = AC 690 V, f = 60 Hz) R [KΩ] 13.4 Relative uncertainty Relative uncertainty as a function of the response value (R an ) and system leakage...

  • Page 45: Alarm Messages

    • Press the test button page 16 mode Service mode active! The device is in maintenance condition • Contact Bender Service SERVICE lights up • Check measured system capacitance or mains frequency in the “Device profiles” on The profile does not suit...

  • Page 46: Factory Settings

    Factory settings 15. Factory settings Parameter Value Parameter Value Response values/alarms Response value R (ALARM 1) 5 kΩ Switching elements Response value R + DC offset voltage 150 V Relay 1 (ALARM 2) Operating mode N/C operation Fault memory Function 1 Ins.

  • Page 47: Technical Data

    Technical data 16. Technical data 16.1 Tabular data Supply via X1: Supply voltage U ....................................DC 24 V Insulation coordination according to IEC 60664-1/IEC 60664-3 Tolerance of U ................................DC -20…+25 % Definitions: IT system being monitored Measuring circuit (IC1).............................(L1/+, L2, L3/-) Nominal system voltage range U ............................AC 0…690 V Supply circuit (IC2)...................................
  • Page 48 Technical data Technical data LEDs Interfaces ON (operation LED) ....................................green Field bus: SERVICE......................................yellow Interface/protocol............................web server/Modbus TCP/BCOM ALARM 1 (Iso. Alarm 1) ................................... yellow Data rate................................10/100 Mbit/s, autodetect ALARM 2 (Insulation fault + DC offset fault)..........................yellow Max. amount Modbus requests ..............................< 100/s Cable length ....................................≤...
  • Page 49 Technical data Technical data Connection At a frequency > 200 Hz, the connection of X1 must be insulated. Only permanently installed devices which at least have over- Connection type....................pluggable screw-type terminal or push-wire terminal voltage category CAT2 (300V) may be connected. Screw-type terminals: Fast tripping only works in IT networks with a mains frequency of 60 Hz.

  • Page 50: Standards And Certifications

    Technical data Technical data 16.2 Standards and certifications 16.3 Ordering details The ISOMETER® has been developed in compliance with the following standards: Supply voltage U Type Art. No. • DIN EN 61557-8 (VDE 0413-8):2015-12 isoNAV685-D AC 24…240 V; 50…400 Hz B91067014 •...

  • Page 51: Glossary

    17. Glossary • BCOM Protocol for communication between Bender devices via an IP-based network. • DHCP Dynamic Host Configuration Protocol. It is used to assign the network configuration to Clients via a server. • Modbus TCP Modbus is an international widely spread protocol for data transfer.

  • Page 52: Modbus Settings

    Modbus settings 18. Modbus settings 18.1 General information 18.2.1 Exception code If a request cannot be answered for whatever reason, the server sends a so-called excep- This appendix provides a complete description of the Modbus register (protocol version 6.0) tion code to limit possible errors. for the ISOMETER®...

  • Page 53: Modbus Response

    Modbus settings Modbus settings 18.2.3 Modbus response 18.3 Measuring value information The response consists of 2 bytes per register. The byte sequence is defined with the Most Significant Bit (MSB) first. 18.3.1 High-byte test status Value Description Byte Name Example No test …...
  • Page 54 Modbus settings Modbus settings Percent Hertz Baud Farad Henry Degree Celsius Degree Fahrenheit Second Minute Hour Month Watt varh Degree Hertz per second isoNAV685-D_D00215_02_M_XXEN/04.2017...

  • Page 55: Modbus Register Assignment

    Modbus settings 18.4 Modbus register assignment Register Register address Num- Range Unit address Description Data type Mode Comment (hexadecimal) (decimal) Device information 0x510 1296 Device model String UTF 8 0x520 1312 Article number String UTF 8 0x530 1328 Serial number String UTF 8 0x540 1344...
  • Page 56 Modbus settings Register Register address Num- address Description Data type Mode Comment Range Unit (hexadecimal) (decimal) 0x1020 4128 Channel number (2) Uint16 0x1021 4129 Insulation value Float Insulation value Ω 0x1022 - 0x102F 4131-4143 See previous channel 0x1030 4144 Channel number (3) Uint16 0x1031 4145...
  • Page 57 Modbus settings Register Register address Num- address Description Data type Mode Comment Range Unit (hexadecimal) (decimal) 0x10A0 4256 Channel number (10) Uint16 0x10A1 4257 DC residual voltage Float 0x10A3 - 0x10AF 4259-4271 See previous channel 0x10B0 4272 Channel number (11) Uint16 0x10B1 4273...
  • Page 58 Modbus settings Register Register address Num- address Description Data type Mode Comment Range Unit (hexadecimal) (decimal) Minimum insulation 0x1111 4369 Float Minimum insulation value measured Ω value 0x1113 - 0x111F 4371-4383 See previous channel 0x1120 4384 Channel number (18) Uint16 DC fault shift in percent 0%-25% ->...
  • Page 59 Modbus settings Register Register address Num- address Description Data type Mode Comment Range Unit (hexadecimal) (decimal) //ReadOnly 0x2000u 8192 Insulation vaue Float Ω Minimum Insulation 0x2002u 8194 Float Minimum measured value Ω value 0x2004u 8196 Insulation capacitance Float Voltage measured between phase L1and 0x2006u 8198 Voltage L1-L2...
  • Page 60 Modbus settings Register Register address Num- address Description Data type Mode Comment Range Unit (hexadecimal) (decimal) Currently used IP address 0x2FFEu 12286 Actual IP Address UInt32 aaa.bbb.ccc.ddd => aaa*256³ + bbb*256²+ ccc*256 + ddd //IP-Configuration 1 = DHCP on 0x3000u 12288 DHCP on/off Uint16...
  • Page 61 Modbus settings Register Register address Num- address Description Data type Mode Comment Range Unit (hexadecimal) (decimal) //ModbusTCP Mode 1 = Port 502 (ModbusTCP) on 0x3006u 12294 Modbus TCP on/off Uint16 1…2 2 = Port 502 (ModbusTCP) off Writing to registers 1 = Writing parameters on 0x3007u 12295...
  • Page 62 Modbus settings Register Register address Num- address Description Data type Mode Comment Range Unit (hexadecimal) (decimal) 1 = off 0x30A2u 12450 Summertime Uint16 2 = DST 1…3 3 = CEST 1 = 12 h 0x30A3u 12451 Time format Uint16 1…2 2 = 24 h //BMS 0x30A4u...
  • Page 63 Modbus settings Register Register address Num- address Description Data type Mode Comment Range Unit (hexadecimal) (decimal) Digital Input 3 0x30B3u 12467 Float see 0x30A5u - 0x30A9u 0.1…300 T(on) Digital Input 3 0x30B5u 12469 Float see 0x30A5u - 0x30A9u 0.1…300 T(off ) //DigitalOutFunctions 1 = off 2 = Insulation alarm 1...
  • Page 64 Modbus settings Register Register address Num- address Description Data type Mode Comment Range Unit (hexadecimal) (decimal) //AnalogOutFunctions Analogue Output 1 = Insulation value 0x30C1u 12481 Uint16 1…2 Function 2 = DC shift 1 = 0…20 mA 2 = 4…20 mA Analogue Output 0x30C2u 12482...
  • Page 65 Modbus settings Register Register address Num- address Description Data type Mode Comment Range Unit (hexadecimal) (decimal) Relay 2 1 = Test on 0x30CEu 12494 Uint16 1…2 Test 2 = Test off Relay 2 1 = N/O 0x30CFu 12495 Uint16 1…2 Mode 2 = N/C Relay 2...

  • Page 66: Index

    Index Index Coupling monitoring 30 Accessories 50 Alarm Data - isoGraph 38 Alarm settings 29 Date 35 Reset alarm message 34 Setting the date 34 Device buttons 14 BCOM 38, 51 DHCP 35, 51 Button Diagrams 43 DATA 14 Display 14, 22 ESC 14 Data - isoGraph 38 Info 14...
  • Page 67 Index Index Screw mounting 15 Insulation resistance Operating mode 30 Activate/deactivate measurement 29 Operation Intended use 9 Buttons 21 Interfaces 11, 35 Commissioning 17, 21 BCOM 36, 38 Ordering information 50 Ethernet 35, 38 Output 31 Modbus TCP 36 Modbus/TCP 38 Password 36 Web server 39 Product description 10...
  • Page 68 Index Index Measured values 34 Profile 29 Sicherheitshinweise 55 Signal quality of the measurement 22 Start-up delay 29 System leakage capacitance 9, 10, 42 Technical data 47 Web server 39, 51 isoNAV685-D_D00215_02_M_XXEN/04.2017...
  • Page 69 Londorfer Straße 65 • 35305 Gruenberg • Germany Carl-Benz-Straße 8 • 35305 Gruenberg • Germany Tel.: +49 6401 807-0 Tel.: +49 6401 807-760 Fax: +49 6401 807-259 Fax: +49 6401 807-629 E-Mail: info@bender.de E-Mail: info@bender-service.com Web: www.bender.de Web: http://www.bender.de Group Fotos: Bender Archiv und bendersystembau Archiv.

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