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

Bender ISOMETER isoNAV685-D-B Manual

Insulation monitoring device for it ac systems with galvanically connected rectifiers and inverters and for it dc systems
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Manual
ISOMETER®
isoNAV685-D-B
Insulation Monitoring Device for IT AC systems
with galvanically connected rectifiers and inverters
and for IT DC systems
isoNAV685-D-B_D00264_03_M_XXEN/06.2017

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Summary of Contents for Bender ISOMETER isoNAV685-D-B

  • Page 1 Manual ISOMETER® isoNAV685-D-B Insulation Monitoring Device for IT AC systems with galvanically connected rectifiers and inverters and for IT DC systems isoNAV685-D-B_D00264_03_M_XXEN/06.2017...
  • 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. Settings ..................29 10.1 (3.0) Control ..........33 10.1 (4.0) History .
  • Page 5 Table of contents Table of contents 11. Device communication ............... 37 17. Modbus settings ................49 11.1 Ethernet interface ..........37 17.1 General information .

  • Page 6: Important Information

    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- Telephone: +49 6401 807-780** (technical issues) derate injury or damage to property if not avoided.

  • Page 7: Field Service

    **Mo-Thu 7.00 a.m. - 8.00 p.m., Fr 7.00 a.m. - 13.00 p.m. 1.3 Training courses For more information on the disposal of Bender devices, refer to our homepage at www.bender-de.com -> Service & support. Bender is happy to provide training regarding the use of test equipment.

  • 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 Only qualified personnel are permitted to carry out the work necessary insulation fault can only be detected correctly if the rectifier valves (e.g. to install, commission and run a device or system.

  • Page 10: Function

    3. Function Function 3.1 Features 3.3 Functional description The insulation monitoring device ISOMETER® isoNAV685-D-B monitors the entire insula- • ISOMETER® to monitor the insulation resistance in systems that are switched off. tion resistance of systems that are switched off and triggers an alarm when the insulation •...

  • Page 11: Interfaces

    42). In addition, the respective message will be indicated on the display and a previously programmed output will provide the respective signal. • BCOM for Bender device communication via Ethernet • Integrated web server for reading out measured values and for parameter setting TEST √...

  • Page 12: Device Overview

    4. Device overview 4.1 Dimensions 1 0 8 m m 1 1 0 isoNAV685-D-B_D00264_03_M_XXEN/06.2017...

  • 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-B_D00264_03_M_XXEN/06.2017...

  • 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

    5. Mounting Mounting 5.1 General instructions 5.2 Screw mounting 18. 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 19.

  • 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/System Type 3Ac

    Connection Connection 6.2 Connection to a 3(N)AC system/system type 3AC 6.3 Connect to a frequency converter to monitor in the off state (Offline) Risk of injury, fire and damage to property due to a short cir- cuit! According to DIN VDE 0100-430, devices used to protect against a The ISOMETER®...

  • Page 19: Connection To The X1 Interface

    Connection Connection 6.4 Connection to the X1 interface 6.5 Connection to the supply voltage External Power supply for powering the ISOMETER® via terminal X1 must fulfil immunity and emission standards of the required appli- cation. For wiring longer than 1 m the use of a shielded cable is prescribed.

  • Page 20: Connection To The Ethernet Interface

    Connection Connection 6.6 Connection to the Ethernet interface 6.7 Connection to the relay 1 interface (11 12 14) Relay 1 Common contact Normally closed (n.c) Normally open (n.o) Position the terminal cover and click it into place Position the terminal cover and click it into place isoNAV685-D-B_D00264_03_M_XXEN/06.2017...

  • Page 21: Connection To The Relay 2 Interface (21 22 24)

    Connection Connection 6.8 Connection to the relay 2 interface (21 22 24) Relay 2 Common contact Normally closed (n.c) Normally open (n.o) Position the terminal cover and click it into place isoNAV685-D-B_D00264_03_M_XXEN/06.2017...

  • Page 22: Commissioning

    7. Commissioning 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®. The ISOMETER® then performs a 4- step self test during which the alarm relays are not checked.

  • Page 23: Display

    8. Display Display 8.1 Standard display 8.2 Fault display (active) In normal operation, the ISOMETER® displays the message OK and below the latest meas- An active fault is displayed by . The upper part of the display will become orange and ured insulation resistance of the connected system points L1, L2 and L3.

  • Page 24: Fault Display (Inactive)

    Display Display 8.3 Fault display (inactive) If several fault messages occur, you can navigate through the faults using the button. In addition to the type of fault and the associated alarm value, you can see when An inactive fault is displayed by .

  • Page 25: Acknowledge Fault Memory

    Display Display 8.4 Acknowledge fault memory 8.5 History memory In order to acknowledge the fault message and return to the ISOMETER®'s standard Up to 1023 alarm messages and device errors are stored in the history memory with date display, all faults must be acknowledged by means of the reset button. and time stamp.

  • Page 26: Initial Measurement

    Display Display 8.6 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

    9. Menu Menu 9.1 Menu structure Data meas. values Alarm settings 1. Insulation alarm 1. Alarm 1 2. Voltage Control 3. t(on) History 3. Memory Device settings 1. Language 2. Profile 2. Clock 1. Time 3. System type 2. Format 4.

  • 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 Settings 10.1 Settings in the device menu 10.1 (1.2) Profile The ISOMETER® profile is set to "Offline". The settings of the ISOMETER® are explained in the order of the device menu. 10.1 (1.0)Alarm settings System leakage Measuring The limit values for the insulation resistances of alarm 1 and alarm 2 can be specified in Description capacitanc voltage...
  • Page 30 Settings Settings 10.1 (1.7) Inputs The ISOMETER® provides a total of three digital inputs. An event is carried out on the falling edge of the digital input (high •Active low The exemplary wiring diagram shows how the digital inputs can be wired: to low).
  • Page 31 Settings Settings 10.1 (1.7.2) Digital 2 Select the appropriate setting for function 1. The following parameters can be set. Refer to “10.1 (1.7.1) Digital 1”. The function is not used. •off 10.1 (1.7.3) Digital 3 The status of the output changes when the value falls below the set •Ins.
  • Page 32 Settings Settings 10.1 (1.8.3.1) Mode 10.1 (1.8.1.4) Function 2 The following settings can be used to set the operating mode for the digital output: Refer to “10.1 (1.8.1.3) Function 1”. 10.1 (1.8.1.5) Function 3 •Active In the active mode +24 V will be internally applied across the output. Refer to “10.1 (1.8.1.3) Function 1”.

  • Page 33: Control

    Settings Settings Refer to “10.1 (1.8.3) Digital 1”. 10.1 (4.0) History In the history menu, the faults detected by the ISOMETER® are displayed. For a detailed 10.1 (1.8.5) Buzzer functional description, refer to “History memory” on page The following parameters can be set for the buzzer: 10.1 (1.8.5.1) TEST Overview of faults that have occurred...

  • Page 34: Summer Time

    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: •off No automatic change between summer time and standard time. •on Synchronisation via NTP server is activated.

  • Page 35: Std. Gw

    Settings Settings 10.1 (5.3.3.5) TTL for subscription •off Deactivate automatic IP address assignment. 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 (5.3.2.2) IP Severe alarms (e.g. insulation alarms or substantial value changes) are always sent imme- Set the appropriate IP address for the ISOMETER®.

  • Page 36: Status

    •Restore The ISOMETER® restores your initial device settings. 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 buttons: •Device...

  • Page 37: 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 38: 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 39 Device communication Web server user interface isoNAV685-D-B_D00264_03_M_XXEN/06.2017...
  • Page 40 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 41: Diagrams

    12. Diagrams 12.1 Response time profile offline 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 1000 ≤...

  • Page 42: 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 cable connection at the Ethernet interface “DHCP” on page 34 No DHCP server found! Connection problem at the Ethernet interface •...

  • Page 43: Factory Settings

    14. Factory settings Factory settings Parameter Value Parameter Value Response values/alarms Function 3 Response value R (ALARM 1) 40 kΩ Response value R (ALARM 2) Switching elements 10 kΩ DC alarm Relay 1 DC-offset voltage for DC alarm 65 V Test Fault memory Operating mode...

  • Page 44: Technical Data

    15. Technical data Technical data 15.1 Tabular data Power consumption, typically 400 Hz ..........................≤ 12 W/45 VA Supply via X1: Insulation coordination according to IEC 60664-1/IEC 60664-3 Supply voltage U ....................................DC 24 V Definitions: Tolerance of U ................................DC -20…+25 % Measuring circuit (IC1).............................(L1/+, L2, L3/-) IT system being monitored Supply circuit (IC2)...................................
  • Page 45 Technical data Technical data Digital Inputs (I1, I2, I3) Environment/EMC Number........................................3 EMC ....................................IEC 61326-2-4 Operating mode, adjustable........................... active high, active low Ambient temperatures: Functions ............................none, test, reset, device deactivated Operating temperature................................-25…+55 °C Voltage:............................Low DC -3…5 V, High DC 11…32 V Transport....................................-40…+85 °C Tolerance Voltage...................................±...

  • Page 46: Standards And Certifications

    Technical data Technical data Push-wire terminals X1: 15.2 Standards and certifications Nominal current....................................≤ 8 A The ISOMETER® has been developed in compliance with the following standards: Conductor sizes..................................AWG 24-16 Stripping length....................................10 mm • DIN EN 61557-8 (VDE 0413-8):2015-12 rigid/flexible ..................................0.2…1.5 mm²...

  • Page 47: Ordering Details

    Technical data Technical data 15.3 Ordering details Supply voltage U Type Art. No. isoNAV685-D-B AC 100…240 V; 47…460 Hz B91067024 Accessories Description Art. No. iso685 Mechanical accessories comprising: B91067903 Terminal cover and 2 mounting clips* iso685 Plug kit, screw terminals* B91067901 iso685 plug kit, with push-wire terminals B91067902...

  • Page 48: Glossary

    16. 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 49: Modbus Settings

    17. Modbus settings Modbus settings 17.1 General information 17.2.1 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 50: Modbus Response

    Modbus settings Modbus settings 17.2.3 Modbus response 17.3 Measuring value information The response consists of 2 bytes per register. The byte sequence is defined with the Most Significant Bit (MSB) first. 17.3.1 High-byte test status Value Description Byte Name Example No test …...

  • Page 51: Low-Byte Unit

    Modbus settings 17.3.4 Low-byte unit Value Description Invalid None Ampere Volt Percent Hertz Baud Farad Henry Degree Celsius Degree Fahrenheit Second Minute Hour Month Watt varh Degree Hertz per second isoNAV685-D-B_D00264_03_M_XXEN/06.2017...

  • Page 52: Modbus Register Assignment

    Modbus settings 17.4 Modbus register assignment Register Register address Num- address Description Data type Mode Comment Range Unit (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 53 Modbus settings Register Register address Num- address Description Data type Mode Comment Range Unit (hexadecimal) (decimal) 0x1030 4144 Channel number (3) Uint16 0x1031 4145 Leakage capacitance Float 0x1033 - 0x103F 4147-4159 See previous channel 0x1040 4160 Channel number (4) Uint16 = O.K.
  • Page 54 Modbus settings Register Register address Num- address Description Data type Mode Comment Range Unit (hexadecimal) (decimal) //ReadOnly 0x2000u 8192 Insulation vaue 1 Float Ω 0x2002u 8194 Insulation vaue 2 Float Ω 0x2004u 8196 Insulation vaue 3 Float Ω = O.K. 0x2018 8216 System connection...
  • Page 55 Modbus settings Register Register address Num- address Description Data type Mode Comment Range Unit (hexadecimal) (decimal) Configured subnet mask (used when DHCP = off ) Number of leading “1“ s in the binary sub- 0x3005u 12293 Subnet mask Uint16 net mask 1…32 e.g.
  • Page 56 Modbus settings Register Register address Num- address Description Data type Mode Comment Range Unit (hexadecimal) (decimal) //Time 0x3098u 12440 Time Unix Time 0x309Au 12442 0x309Cu 12444 Time zone Float Time zone offset -12…13 1 = NTP on 0x309Eu 12446 NTP on/off Uint16 1…2 0 = NTP 0ff...
  • Page 57 Modbus settings Register Register address Num- address Description Data type Mode Comment Range Unit (hexadecimal) (decimal) Digital Input 2 0x30ABu 12459 Uint16 see 0x30A5u - 0x30A9u 1…5 Function Digital Input 2 0x30ACu 12460 Uint16 see 0x30A5u - 0x30A9u 1…2 Mode Digital Input 2 0x30ADu 12461...
  • Page 58 Modbus settings Register Register address Num- address Description Data type Mode Comment Range Unit (hexadecimal) (decimal) Digital Output 2 0x30BCu 12476 Uint16 see 0x30B7u - 0x30BBu 1…7 Function 1 Digital Output 2 0x30BDu 12477 Uint16 see 0x30B7u - 0x30BBu 1…7 Function 2 Digital Output 2 0x30BEu...
  • Page 59 Modbus settings Register Register address Num- address Description Data type Mode Comment Range Unit (hexadecimal) (decimal) 0x30D2u 12498 Relay 2 Function 3 Uint16 see 0x30B7u 1…7 //InsulationAlarm 1,000… 0x30D3u 12499 Response value 1 Uint32 Ω 10,000,000 Type of mains supply 0x30D7u 12503 Uint16...

  • Page 60: Index

    Index Index Coupling monitoring 29 Accessories 47 Alarm Data - isoGraph 37 Alarm 1 11 Date 34 Alarm settings 29 Setting the date 33 Reset alarm message 33 Device buttons 14 DHCP 34, 48 BCOM 37, 48 Diagrams 41 Button Display 14, 23 DATA 14 Data - isoGraph 37...
  • Page 61 Index Index Screw mounting 15 Buttons 22 Insulation resistance Commissioning 17, 22 Activate/deactivate measurement 29 Ordering information 46 Intended use 9 Output 31 Interfaces 11, 34 BCOM 35, 37 Password 35 Ethernet 34, 37 Product description 10 Modbus TCP 35 Protective earth conductor (PE) 16 Modbus/TCP 37 Web server 38...
  • Page 62 Index Index System leakage capacitance 10, 29 Technical data 44 Web server 38, 48 isoNAV685-D-B_D00264_03_M_XXEN/06.2017...
  • Page 63 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 Email: info@bender.de Email: info@bender-service.com Group Web: www.bender.de Web: http://www.bender.de Fotos: Bender Archiv und bendersystembau Archiv.

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