Bender ISOMETER isoHR685W Series Manual
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Bender ISOMETER isoHR685W Series Manual

Insulation monitoring device for it ac systems with galvanically connected rectifiers and inverters and for it dc systems with isodata for logging measurement events with isosync for capacitive coupled it-systems
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ISOMETER®
isoHR685W–D–I–B
isoHR685W–S–I–B
Insulation Monitoring Device
for IT AC systems with galvanically connected rectifiers
and inverters and for IT DC systems
with isoData for logging measurement events
with ISOsync for capacitive coupled IT-systems
isoHR685W-x-I-B_D00261_05_M_XXEN/12.2021

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Summary of Contents for Bender ISOMETER isoHR685W Series

  • Page 1 Manual ISOMETER® isoHR685W–D–I–B isoHR685W–S–I–B Insulation Monitoring Device for IT AC systems with galvanically connected rectifiers and inverters and for IT DC systems with isoData for logging measurement events with ISOsync for capacitive coupled IT-systems isoHR685W-x-I-B_D00261_05_M_XXEN/12.2021...
  • Page 2 Fax: +49 6401 807-259 Email: info@bender.de Web: www.bender.de Customer service: Service hotline: 0700-BenderHelp (Telephone and Fax) © Bender GmbH & Co. KG Carl-Benz-Straße 8 • 35305 Grünberg • Germany All rights reserved. Tel.:+49 6401 807-760 Reproduction only with permission Fax:+49 6401 807-629 of the publisher.

  • Page 3: Table Of Contents

    Table of Contents 1. Important information ................6 5. Mounting ..................... 15 1.1 How to use this manual ..........6 5.1 Common information .
  • Page 4 Table of Contents Table of Contents 9. Settings ......................28 (4.0) History ........... 35 (5.0) Device settings .
  • Page 5 Table of Contents Table of Contents 10.4 Web server ............39 13.

  • Page 6: Important Information

    1.2 Technical support 1.2.1 End customer support and advice This manual is intended for qualified personnel working in electrical Technical support by phone or e-mail for all Bender products engineering and electronics! • Questions concerning specific customer applications • Commissioning •...

  • Page 7: Training Courses

    • Old electrical and electronic equipment from users other than private households Sale and delivery conditions can be obtained from Bender in printed or electronic format. which was introduced to the market after 13 August 2005 must be taken back by the manufacturer and disposed of properly.

  • Page 8: Safety Instructions

    Part of the device documentation in addition to this manual is the enclosed "Safety Installation inside a control cabinet instructions for Bender products". If the ISOMETER® is installed inside a control cabinet, the insulation fault message must be audible and/or visible to attract attention.

  • Page 9: Function

    To obtain a measurement the device has to be connected between • RS-485/BS (Bender sensor bus) for data exchange with other Bender devices via the IT system (unearthed system) and the protective earth conductor (PE). A measuring Modbus RTU protocol current in the μA range is superimposed onto the system which is recorded and evalu-...

  • Page 10: Interfaces

    Test is being carried out. • Communication protocol Modbus TCP • Communication protocol Modbus RTU • BCOM for communication of Bender devices via Ethernet • BS bus for communication of Bender devices (RS-485) • isoData for recording and managing measured values •...

  • Page 11: Device Overview

    4. Device overview Device overview 4.1 Dimensions 4.2 Device variants iso685(W)-D… The iso685 variant features a high-resolution graphic LC display and operating controls for direct operation of the device functions. isoxx685(W)-D… It cannot be combined with an FP200. iso685(W)-S… Device version iso685-S-P features neither a display nor operating controls.

  • Page 12: Connection And Panel

    Front Rear Connection top REMOTE Control panel Connction bottom REMOTE interface to connect the FP200(W) * Optional expansion interface for Bender products Bottom Multifunctional I/O interface (see „Connection of the X1 interface“) ETH (X2) Ethernet interface Switchable terminating resistor for termination of the RS-485 interface...

  • Page 13: Display Elements And Device Buttons

    Device overview Device overview 4.4 Display elements and device buttons 4.4.2 device buttons You can adjust the device settings in the respective menu using the menu buttons. De- pending on the menu entry, one of the options displayed below is assigned to the but- tons.

  • Page 14: Operating And Navigating

    Device overview Device overview 4.5 Operating and navigating 4.5.4 Character input Use the (forward) and (backward) 4.5.1 Menu selection Ethernet x.3.2 buttons to select a character from the dis- Activate the menu by pressing the play. To enter the next character, use the IT system "MENU"...

  • Page 15: Mounting

    5. Mounting Mounting 5.1 Common information 5.2 Mounting spaces Only qualified personnel are permitted to carry out the work necessary to install, commission and run a device or system. 20 mm Read the manual before you begin to mount, connect, and commission the unit.

  • Page 16: Screw Mounting

    Mounting Mounting 5.3 Screw mounting 5.4 DIN rail mounting 1. Fix the three mounting clips delivered with the device (two of them packed 1. Fix the three mounting clips delivered with the device (two of them packed separately) manually or using a tool, as illustrated below. separately) manually or using a tool, as illustrated below.

  • Page 17: Connection

    6. Connection Connection 6.1 Connection conditions Provide line protection! According to DIN VDE 0100-430, line protection shall be provided for the In accordance with VDE 0100, only qualified personnel are permitted to supply voltage. carry out the work necessary to install, commission and run a device or CAUTION Risk of injury from sharp-edged terminals! system.

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

    Connection Connection 6.2 Connection to a 3(N)AC system 6.4 Connection to a DC system L− back-up back-up back-up back-up > 690 V => F 2A L3/- A1/+ A2/– L1/+ L3/- A1/+ A2/– L1/+ 6.5 Connection to the supply voltage 6.3 Connection to an AC system In systems with a nominal system voltage of more than 690 V and with overvoltage category III, a fuse for the connection to the system to be mo- nitored must be provided.

  • Page 19: Connection To The X1 Interface

    Connection Connection 6.6 Connection to the X1 interface Voltage supply via external power supply units In case of external supply (24 V) the device can be supplied via "A1+"/"A2" – OR via "X1". In case of supply via "A1+"/"A2", make sure that +24 V are applied to "A1/+"...

  • Page 20: Connection To The Ethernet Interface Eth

    Connection Connection 6.7 Connection to the Ethernet interface ETH 6.9 Terminal covers Insert the terminal covers into the recesses provided in the enclosure until they click into place. RJ45 Connection with standard patch cable (RJ45/no crossover cable) to other ISOMETER®s or interconnection of several ISOMETER®s in STAR topology via a switch.

  • Page 21: Commissioning

    7. Commissioning Commissioning 7.1 General initial commissioning process 7.2 Initial commissioning 1. Check that the ISOMETER® is properly connected to the system to be monitored. Check network function! 2. Connect the supply voltage to the ISOMETER®. Adjust the device using the commis- When the device has been integrated into a network, the influence on the sioning wizard.

  • Page 22: Setting System Type

    Commissioning Commissioning 7.2.3 Setting system type By setting the system type, the insulation monitoring device can be optimally adapted to for alarm 1 7.2.6 Setting response value R the system to be monitored. The system type is essential information for the insulation You can set the prewarning response value here.

  • Page 23: Configuring Password Protection For The Isometer® Iso685

    Commissioning Commissioning 7.4 Configuring password protection for the ISOMETER® iso685 You can assign a password in the device menu. 1. Select Menu -> Device settings -> Password in the device menu. 2. Enable password protection at Menu -> Device settings -> Passwor -> Status by selecting "On".

  • Page 24: Display

    8. Display Display 8.1 Standard display 8.2 Fault display (active) During normal operation, the ISOMETER® displays the message "OK" and below, the cur- An active fault is displayed by rently measured insulation resistance. The upper part of the display turns orange and displays the fault message. Depending on the type of fault, the LEDs "ALARM 1", "ALARM 2"...

  • Page 25: Fault Display (Inactive)

    Display Display 8.3 Fault display (inactive) 8.4 Acknowledging a fault message An inactive fault is indicated by . If several faults have occurred, the number of faults In order to acknowledge the fault message and return to the ISOMETER®'s standard dis- will also be indicated.

  • Page 26: Data-Isograph

    Display Display 8.6 Data-isoGraph 8.8 ISOnet operation The isoGraph represents the chronological sequence of the insulation resistance over The ISOMETER® displays the message „ISOnet active“ when the ISOMETER® is in ISOnet time. This graphical representation can be displayed over the following time periods: mode but is not currently measuring.

  • Page 27: Automatic Test

    Display Display 8.10 Automatic test If the ISOMETER® measures in ISOnet mode, the "ON" LED flashes and the measurement progress bar in the lower right corner pulses. First, the ISOMETER® performs an automatic test. During the test, the connections to the IT system and to earth are tested.
  • Page 28 9. Settings Settings 9.1 Menustructure 2. Data meas. values 1. Alarm settings 1. Insulation alarm 1. Alarm 1 2. Alarm 2 3. Control 1. TEST 3. Memory 2. Reset 3. Start initial measuring 2. DC Alarm 1. Alarm 4. Device: 2.
  • Page 29 Settings Settings 9.2 Settings in the device menu (1.1.3) Fault memory Automatic reset of inactive faults at the outputs relay 1, relay 2, digital output 1, digital Representation of the menu items in the headings output 2: The settings of the ISOMETER® are explained in the order of the device If a fault becomes inactive, the programmed outputs remain in fault •on menu.
  • Page 30 •3AC (1.8) ISOsync (1.5) Coupling Synchronisation in capacitive coupled systems Adapt the ISOMETER® to the requirements of Bender coupling devices. For a description about the connection of coupling devices refer to chapter “Coupling devices” . •on Synchronisation is enabled You may select.
  • Page 31 Settings Settings (1.11) Inputs (1.11.1.2) t(on) The ISOMETER® provides a total of three digital inputs. The response time t(on) after a switch-on signal can be set between 100 ms and 300 s. The exemplary wiring diagram shows how the digital inputs can be wired. (1.11.1.3) t(off) The response time t(off) after a switch-off signal can be set between 100 ms and 300 s.
  • Page 32 Settings Settings (1.12.1.1) TEST Function Description The functional test of the relay can be activated or deactivated. This only applies to the The status of the output changes in case of an earth fault in the direction •DC- alarm manual test and not to the cyclic device self test: of DC when 75 % of the value are exceeded.
  • Page 33 Settings Settings (1.12.3) Digital 1 (1.12.3.4) Function 2 The following parameters can be set for each of the digital outputs: Refer to chapter 9.2 (1.12.1.3) “Function 1” on page (1.12.3.1) TEST (1.12.3.5) Function 3 The functional test of the digital output can be activated or deactivated. This only applies Refer to chapter 9.2 (1.12.1.3) “Function 1”...
  • Page 34 Settings Settings (1.12.6.2) Midscale (1.12.6.4) Function Select the appropriate midscale. The following parameters can be set: Select the appropriate setting for the analogue output. The following parameters can be set. The switching signal is linear to the insulation resistance in the indi- •Linear cated measuring range.
  • Page 35 Settings Settings (3.1) TEST (5.2.2) Format (time) Starts a manual device test. Selecting the appropriate time format to be displayed: (3.2) Reset 12-hour notation am/pm •12 h 24-hour notation •24 h Reset of fault and alarm messages. (5.2.3) Summer time (3.3) Start initial measurement Summer time can be considered in the following settings: All recorded measurements are discarded and a new measurement is started.
  • Page 36 Settings Settings (5.3) Interface (5.3.2.4) Std. GW(manual configuration) Menu for connecting and parameterising other devices to the ISOMETER. If a standard gateway is used in your network, enter its IP address here. If there is no ga- teway in the network, enter an address not yet used in the address range as gateway add- (5.3.1) Write access ress.
  • Page 37 Adjust the display brightness between 0 % and 100 % in steps of 10. Activation of special customer profiles by Bender. The device is first configured by the If no button is pressed on the display for 15 minutes, the brightness of the display is re- Bender service and the configuration is saved in a service profile.
  • Page 38 Starts the update process after the BUF file has been transferred to the device. (5.11) Service Input Password The Service menu can only be accessed by Bender Service staff. •Password (6.0) Info The ISOMETER®'s present settings can be viewed in the "Info" menu. Navigate through...

  • Page 39: Web Server

    – Easy and fast parameterisation of the device menu item "Allow" must have been set in the "Write access" menu. – Easy assignment and editing options of device texts • Maintenance – Data storage of specific events for fast support by the Bender service isoHR685W-x-I-B_D00261_05_M_XXEN/12.2021...

  • Page 40: User Interface

    10.4.3 User interface Device communication 10.4.4 Menu structure The web menu is located on the left side of the browser window. Activated menu items H OM E are either highlighted in YELLOW or written in YELLOW. Use the scroll bar on the right D E VI C E Device info side to display further menu items.

  • Page 41: Parameter Changes

    Device communication Device communication 10.4.5 Parameter changes 10.4.5.3 Error detection in case of incorrect entry In some cases, the system expects certain characters to be entered, for example, CAPITAL 10.4.5.1 Display of parameters in standard versions LETTERS. In case of an incorrect entry, the corresponding field is coloured in RED. Inputs are located horizontally (orange frame) and the corresponding parameters ver- tically (blue frame).

  • Page 42: Changing Parameters In The Web Browser

    Device communication Device communication 10.4.6 Changing parameters in the web browser 10.4.7 Changing parameters in the device menu when the web browser is open Changed values are highlighted in YELLOW in the input field (see fig. 2.1). Changes can If values are changed in the iso685 device menu, the changed values are not au- be made via drop-down menu, value input or text input.

  • Page 43: Bs Bus

    The optimum cable routing for the BS bus is a double-terminated bus topology. The The BS bus is used to extend Bender measuring devices (e.g. ISOMETER®) It is an RS-485 in- length of the branch line is limited to 1 m. These branch lines do not have to be terface with a specially developed protocol for Bender devices.

  • Page 44: Isodata Protocol

    BMS protocol. To evaluate the data by means of a PC or laptop, an USB/RS232-RS485 interface converter are required. Contact Bender Service to receive this device. Interface data: • The RS-485 interface, galvanically isolated from the device electronics •...

  • Page 45: Isodata-Protocol Table

    Device communication 10.7.1 isoData-protocol table Description Length [Bytes] Value Unit Example string Mode Data packet start character for modes 2 and 3 Data packet start character 0x02 0x02 for mode 1 Available Bitmask Dependent on the fields included. (Bitmask) FFFFFFFF Date Current date dd.mm.yy...
  • Page 46 Device communication Description Length [Bytes] Value Unit Example string Mode Voltage between phase L2 and PE. Voltage U (VRMS) L2-PE 1234 RMS value, Note: always signed with '+' Voltage between phase L3 and PE. Voltage U (VRMS) L3-PE 1234 RMS value, Note: always signed with '+' Quality of measured value 0 % = Poor quality Measurement quality...
  • Page 47 Device communication Description Length [Bytes] Value Unit Example string Mode 0 == No alarm Alarm message Insualtion fault 1 == Alarm 1 Number Brief overview 2 == Alarm 2 3 == Alarm 1 + Alarm 2 Temperature in device Temperature value preceeded by '+' or '-' sign °C +100 System frequency...

  • Page 48: Special Functions For Coupled It Systems

    11. Special functions for coupled IT systems Special functions for coupled IT systems 11.1 Particularities when monitoring coupled IT systems If the digital input is no longer selected, first the connection to the IT system is restored and afterwards, an entirely new measuring cycle for the insulation monitoring starts. This When using ISOMETER®s in IT systems, make sure that only one active ISOMETER®...

  • Page 49: Systempictures

    Special functions for coupled IT systems Special functions for coupled IT systems 11.3.1 Systempictures 11.3.2 Configuration and function For the ISOnet function, the following settings are made in the menu: Alarm settings -> ISONet -> BCOM. The ISOnet function of all ISOMETER®s existing in the system has to be activated and the number of devices has to be determined in the menu Alarm settings ->...

  • Page 50: Isoloop

    If the systems are coupled via the coupling switches, the devices receive a signal via the ware, the BCOM Group Manager. The program can be downloaded from the Bender digital input informing them that they are now working together as a team. If only the up- website at www.bender.de/service-support/downloads or via the web server ("Menu"...

  • Page 51: Creating Groups With The Bcom Group Manager

    Special functions for coupled IT systems Special functions for coupled IT systems 11.4.2 Creating groups with the BCOM Group Manager The "Connection List" must contain all connections that exist in the installation. The follo- wing figure shows the connections for the above example. The BCOM Group Manager provides help for creating ISOMETER®...

  • Page 52: Configuration And Function On The Isometer

    Special functions for coupled IT systems Special functions for coupled IT systems 11.4.2.3 Transferring the configuration file to an ISOMETER® After completion, the file is available for download in the download area of each device: The configuration file is installed via the web user interface of the iso685-x-P device in the browser of a computer in the network.

  • Page 53: Isosync For Capacitive Couppled It Systems

    Special functions for coupled IT systems Special functions for coupled IT systems 11.5 ISOsync for capacitive couppled IT systems 11.5.2 Configuration and function The ISOnet function can be activated or deactivated in the menu: Alarm settings -> ISOMETER®s can interfere with each other when used in capacitively coupled IT-systems. ISOsync .

  • Page 54: Coupling Devices

    12. Coupling devices Coupling devices Coupling devices extend the nominal system voltage range of an ISOMETER®. Behaviour of system: • If the ISOMETER® is operated with a coupling device, this device must be specified in Depending on the configuration, systems up to a nominal system voltage of 12 kV can be the commissioning assistant during commissioning or in the device menu later on.

  • Page 55: Connection Using The Agh520S (3Ac)

    Coupling devices Coupling devices 12.3 Connection using the AGH520S (3AC) 12.4 Connection using the AGH520S (3(N)AC) Type: AGH520S Type: AGH520S Nominal voltage: AC 0…7200 V Nominal voltage: AC 0…7200 V Operative uncertainty: 15 % min. +/- 5 kΩ Operative uncertainty: 15 % min. +/- 5 kΩ Art.-No.: B 913 033 Art.-No.: B 913 033 isoHR685W-x-I-B_D00261_05_M_XXEN/12.2021...

  • Page 56: Connection Using The Agh204S-4

    Coupling devices Coupling devices 12.5 Connection using the AGH204S-4 12.6 Connection using the AGH676S-4 A) with rectifier B) without rectifier Type: AGH204S-4 Type: AGH676S-4 Nominal voltage with rectifier: AC 0...1300 V Nominal voltage: AC 12 kV Nominal voltage without rectifier: AC 0...1650 V Operative uncertainty: 15 % min.

  • Page 57: Alarm Messages

    13. Alarm messages 13.1 Measured value alarms Alarm messages are activated directly after switching on and can occur immediately. Alarm message Description Measures LED indicators An insulation fault exists. The insulation resistance falls • Observe insulation resistance in the monitored system Insulation fault "ALARM 1"...

  • Page 58: Isonet

    Internal device error • Switch the supply voltage off and on "SERVICE" is lit • Contact Bender service • Check insulation fault and eliminate fault of DC compo- DC offset voltage There is a DC offset voltage in the system.

  • Page 59: Isoloop

    Alarm messages 13.4 ISOloop These messages only become active after activating the ISOloop function. Alarm message Description Measures LED indicators • Make sure that all devices in the group to be configured The ISOloop group configuration is not uniform for all are able to communicate (correctly set and BCOM and ISOloop configuration is not devices in the group or one of the devices has no configura-...

  • Page 60: Technical Data

    – – – – – are made by Bender service, then the profile has the same parameters as the "Power circuits" profile. For response times, refer „Device profiles“ at the follwing sections. Switching between profiles * Low frequency mains voltage When another profile is selected, the value of R is reset.

  • Page 61: Diagrams Isohr685W-X-I-B

    Technical data 14.2 Diagrams isoHR685W-x-I-B 14.2.1 Response time profile Power circuits Response time as a function of the response value and system leakage Response time as a function of the response value and system leakage capacitance acc. to IEC 61557-8 (U = 690 V, f = 50 Hz) measuring range <...

  • Page 62: Response Time Profile Control Circuits

    Technical data Technical data 14.2.5 Response time profile Inverter > 10 Hz 14.2.3 Response time profile Control circuits Response time as a function of the response value and system leakage Response time as a function of the response value and system leakage capacitance acc.

  • Page 63: Response Time Dc Alarm

    Technical data 14.2.7 Response time DC Alarm Typical response times for DC alarm for RF depending on system profile and Typical response times for DC alarm for RF depending on system profile and system leakage capacitance (iso685-variants) system leakage capacitance (isoHR685W-x-I-B) 1000 1000 System leakage capacitance [µF]...

  • Page 64: Factory Settings Isohr685W-X-I-B

    Technical data Technical data 14.3 Factory settings isoHR685W-x-I-B Parameter Wert Parameter Wert Response values/alarms Switching elements Response value R (ALARM 1) 100 kΩ Relay 1 Response value R (ALARM 2) 20 kΩ Test DC alarm Relay mode N/C operation DC offset voltage for DC alarm 65 V Function 1 Ins.

  • Page 65: Tabular Data Isohr685W-X-I-B

    Technical data Technical data 14.4 Tabular data isoHR685W-x-I-B Supply via X1: Supply voltage U ....................................DC 24 V Insulation coordination acc. 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 ......................
  • Page 66 Technical data Technical data LEDs Interfaces ON (operation LED) ....................................green Field bus: Interface/protocol............................web server/Modbus TCP/BCOM SERVICE......................................yellow ALARM 1......................................yellow Data rate................................10/100 Mbit/s, autodetect Max. amount Modbus requests ..............................< 100/s ALARM 2......................................yellow Cable length ....................................≤ 100 m Inputs/outputs (X1-Interface) Connection......................................
  • Page 67 Technical data Technical data Environment/EMC and temperature ranges Other EMC....................................IEC 61326-2-4 Operating mode................................continuous operation Operating temperature................................ -25…+55 °C Mounting position (0°)................display-oriented, cooling slots must be ventilated vertically Transport....................................-40…+85 °C Degree of protection internal components ............................IP40 Long-term storage ................................-40…+70 °C Degree of protection terminals ................................IP20 Classification of climatic conditions acc.

  • Page 68: Standards And Certifications

    Technical data Technical data 14.5 Standards and certifications 14.6.3 Suitable system components The ISOMETER® has been developed in compliance with the following standards: Description Type Article No. • DIN EN 61557-8 (VDE 0413-8): 2015-12 7204-1421 B986763 Suitable measuring instruments • IEC 61557-8: 2014-12 Midscale point: 28 kΩ,120 kΩ...

  • Page 69: Glossary

    Technical data Technical data 14.7 Glossary 14.8 Change log BB bus The BB bus is an interface which enables Bender devices to communicate with each other (Bender-internal device bus). Document- Valid from Date Condition / Modifications The BB bus can be used with an ISOMETER® and one or more EDS44…-S.
  • Page 70 Londorfer Straße 65 • 35305 Grünberg • Germany Carl-Benz-Straße 8 • 35305 Grünberg • 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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