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Summary of Contents for Bender ISOMETER isoHV525
- Page 1 Manual ISOMETER® isoHV525 Insulating monitoring device for unearthed AC, AC/DC, and DC systems (IT systems) up to 3(N)AC, AC/DC 0...1000V or DC 0...1000 V Software versions: D0500 V1.xx D0453 V1.xx isoHV525_D00297_00_M_XXEN/03.2017...
- Page 2 E-Mail: info@bender.de Web: www.bender.de Customer service Service Hotline: 0700-BenderHelp (Tel. and Fax) Carl-Benz-Straße 8 • 35305 Grünberg • 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.
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Page 3: Table Of Contents
Inhaltsverzeichnis 1. Important information ..............5 3.2.2 Function description ......... . . 9 3.2.2.1 Manual self test . - Page 4 Inhaltsverzeichnis 7. Data access to the isoHV525-S4-4 using the Modbus RTU Protocol ..............18 7.1 Reading out the Modbus register from the ISOMETER®....18 7.1.1 Master device sends a command to the ISOMETER® ... . 18 7.1.2 The ISOMETER®...
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Page 5: Important Information
• 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 replacement This symbol denotes information intended to assist the user in device at no extra cost making optimum use of the product. -
Page 6: Training Courses
The directive on waste electrical and electronic equipment (WEEE directive) and the di- Sale and delivery conditions can be obtained from Bender in printed or electronic format. rective on the restriction of certain hazardous substances in electrical and electronic equipment (RoHS directive) apply in the European Community. -
Page 7: Safety Instructions
2.3 Intended use Part of the device documentation in addition to this manual is the enclosed "Safety in- structions for Bender products". Only skilled persons are permitted to carry out the work necessary to install, commission and run a device or system. -
Page 8: Function
If the error occurs again after restarting 3.1.1 Device features the device, then contact Bender Service. • Monitoring the insulation resistance for unearthed AC/DC systems • Automatic adaptation to the system leakage capacitance up to 150 μF 3.1.2.3... -
Page 9: Analogue Output
(kΩ) A • Fault memory can be activated • RS-48 5 (galvanically isolated) with the following protocols: Variable Description BMS interface (Bender measuring device interface) for data exchange with other • Bender components Insulation fault in kΩ Modbus RTU •... -
Page 10: Manual Self Test
In addition to the described self test, several functions in the insulation monitoring de- release "toff" restarts again. vice are continuously checked during operation. If the error occurs again after restarting the device or after restoring the factory settings, please contact Bender Service. Start-up delay t After connection to the supply voltage U the alarm indication for the preset time 3.2.2.3... -
Page 11: External, Combined Test Or Reset Button T/R
• BMS ISOMETER®. The BMS protocol is an essential component of the Bender measuring device inter- face (BMS bus protocol). ASCII characters are used in the data transfer. The parameter address, baud rate and parity for the interface protocols are configured via the RS-485 interface. -
Page 12: Installation, Connection And Commissioning
4. Installation, connection and commissioning Installation, connection and commissioning Dimension diagram and sketches for screw mounting: 70 mm 96 mm Only skilled persons are permitted to carry out the work necessary to install, commission and run a device or system. L2/- L1/+ Risk of electrocution due to electric shock! - Page 13 Installation, connection and commissioning Installation, connection and commissioning isoHV525-M4-4 - Connect the device as is shown in the wiring diagram For details about the conductor cross sections required for wiring, refer to the technical data from Page L1/+ L2/- Legend to isoHV252-M4-4 wiring diagram: Wire Terminal Connections...
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Page 14: Commissioning
Installation, connection and commissioning Installation, connection and commissioning isoHV525-S4-4 - Connect the device as is shown in the wiring diagram: For details about the conductor cross sections required for wiring, refer to the technical data from Page L1/+ L2/- Legend to isoHV252-S4-4 wiring diagram: Wire Terminal Connections... -
Page 15: Isohv525-S4-4 Parameter Overview
isoHV525-S4-4 parameter overview isoHV525-S4-4 parameter overview 5. isoHV525-S4-4 parameter overview 5.2.1 Alarm assignment of relay "r1" and "r2" In the alarm assignment, each notification/alarm is assigned to the corresponding relay with the setting "on". In the event of an unsymmetrical insulation fault, only the alarm 5.1 Monitoring - response value corresponding to the assigned and affect ed conductor (L1/+ or L2/-) will be set. -
Page 16: Time Configuration
isoHV525-S4-4 parameter overview isoHV525-S4-4 parameter overview 5.3 Time configuration 5.5 Interface configuration Setting value Description Available Setting value Available Description Value Value range BMS Modbus FAC Cs Modbus range Adr = 0 deactivates BMS as well as Start-up time "t" when starting the Modbus and activates isoData with 0 …... -
Page 17: Measured Value Description
6. Data access to the isoHV525-S4-4 using the BMS Protocol Description The BMS protocol is an essential component of the Bender measuring device interface Insulation resistance (BMS bus protocol). ASCII characters are used in the data transfer. 1 kΩ ... 4 MΩ... -
Page 18: Data Access To The Isohv525-S4-4 Using The Modbus Rtu Protocol
Data access to the isoHV525-S4-4 using the Modbus RTU Protocol Data access to the isoHV525-S4-4 using the Modbus 7. Data access to the isoHV525-S4-4 using the 7.2 Writing to the Modbus register (parameter setting) Modbus RTU Protocol Registers in the device can be modified with the Modbus command 0x10 (set multiple registers). -
Page 19: Exception Code
Data access to the isoHV525-S4-4 using the Modbus RTU Protocol Data access to the isoHV525-S4-4 using the Modbus 7.3 Exception code If a request cannot be answered for whatever reason, the ISOMETER® will send a so-called exception code with which possible faults can be narrowed down. Exception code Description 0x01... -
Page 20: Modbus Register Assignment Of The Isometer
8. Modbus register assignment of the ISOMETER® Modbus register assignment of the ISOMETER® Depending on the device state, the information in the registers is either the measured value without alarm; the measured value with alarm 1; the measured value with alarm 2; Measured value Register Device fault... - Page 21 Modbus register assignment of the ISOMETER® Modbus register assignment of the ISOMETER® Register Property Description Format Unit Value range Register Property Description Format Unit Value range Operating mode of 0 = n.o. Alarm assignment of 3013 UINT 16 3027 UINT 16 Bit 9 …...
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Page 22: Device-Specific Data Type Of The Isometer
Modbus register assignment of the ISOMETER® Modbus register assignment of the ISOMETER® 8.1 Device-specific data type of the ISOMETER® 8.1.2.2 AT&T = Alarm type and test type (internal/external) Meaning 8.1.1 Device name The data format of the device name is specified below. Word 0x01 0x02... -
Page 23: R&U = Range And Unit
Modbus register assignment of the ISOMETER® Modbus register assignment of the ISOMETER® 8.1.2.3 R&U = Range and unit Display Meaning Meaning indication Invalid (init) When reading, always 0 Reserved No unit When writing, any value Ω x Err Device error E.xx Prealarm R1 - Fault R at L1/+ rx +R1 <... -
Page 24: Channel Descriptions
Modbus register assignment of the ISOMETER® Modbus register assignment of the ISOMETER® 8.2 Channel descriptions To convert parameter data, data type descriptions are required. Text representation is not necessary in this case. Measured value description/ Value Description of parameters alarm message operating Note Value message... -
Page 25: Isodata Data String
9. IsoData data string IsoData data string In IsoData mode, the ISOMETER® continuously sends the entire data string with a cycle time of approximately 1 second. Communication with the ISOMETER® in this mode is not String Description possible and no additional sender may be connected to the RS-485 bus cable. Alarm message [Hexadezimal] (without leading „0x“) IsoData is activated by setting Adr = 0. -
Page 26: Technical Data
Permissible extraneous DC voltage U ........................≤ 1600 V 10.1 Tabular representation Response values ( )* = Factory setting ISOMETER isoHV525-S4-4: Insulation coordination acc. to IEC 60664-1/IEC 60664-3 Response value R ..........................11…500 kΩ (50 kΩ)* Response value Ran2 .......................... 10…490 kΩ (25 kΩ)*... -
Page 27: Standards, Approvals And Certifications
Technical data Technical data Serial interface (valid for isoHV525-S4-4 devices only) Connection type: Interface/protocol......................RS-485/BMS, Modbus RTU, isoData isoHV525-M4-4..............................0.5 m cable Baud rate ..............BMS (9.6 kbit/s), Modbus RTU (selectable), isoData (115.2 kbits/s) isoHV525-S4-4 ................................3 m cable Cable length (9.6 kbits/s) ............................≤ 1200 m Other Cable: twisted pairs, shield connected to PE on one side .............. - Page 28 Technical data Technical data isoHV525_D00297_00_M_XXEN/03.2017...
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Page 29: Index
INDEX isoHV525-M4-4 8 BMS 11 Analogue output 9 Device features 8 Function description 8 Commissioning 14, 17 isoHV525-S4-4 9 Configuration 15 BMS 11 Fault memory 15 Device features 9 Function 16 Function description 9 Interfaces 15 IsoData 11 Relay operating mode 15 Modbus RTU 11 Time 16 Connection 12... - Page 30 Relay alarm assignment 15 Reset button T/R 8, 11 Response delay time 8, 10 Response times 8, 10 Safety instructions 7 Selecting menu items 15 Self test 8, 10 Setting time delays 17 Signalling assignment of the alarm relays K1/K2 8, 10 Start-up delay t 11 Technical data 26 Total response time 10...
- Page 31 Bender GmbH & Co. KG Customer service Postbox 1161 • 35301 Grünberg • Germany Service Hotline: 0700-BenderHelp (Tel. and Fax) Londorfer Straße 65 • 35305 Grünberg • Germany Carl-Benz-Straße 8 • 35305 Grünberg • Germany Tel.: +49 6401 807-0 Tel.:...
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