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ISOMETER® isoRW685W-D-B

ISOMETER® isoRW685W-D-B
8Pages

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ISOMETER® isoRW685W-D-B Insulation monitoring device for IT AC systems with galvanically connected rectifiers and converters and for IT DC systems especially for railway applications Preliminary data sheet

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Insulation monitoring device for IT AC systems with galvanically connected rectifiers and converters and for IT DC systems especially for railway applications Product description The ISOMETER® isoRW685W-D-B is an insulation monitoring device for IT systems in accordance with IEC 61557-8 for railway applications and has been specifically tested according to DIN EN 50155. It is universally applicable in AC, 3(N)AC, AC/DC and DC systems. AC systems may include extensive DC-supplied loads (such as rectifiers, converters, variable-speed drives). Application • C, DC or AC/DC main circuits A...

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• Communication protocol Modbus TCP • Communication protocol Modbus RTU The ISOMETER® has been developed in compliance with the following standards: • BCOM for communication of Bender devices via Ethernet • BS bus for communication of Bender devices (RS-485) • Integrated web server for reading out measured values and setting parameters Measurement method The isoRW685W-D-B series operates using the patented AMPPlus measurement method. This measurement method allows accurate monitoring of modern power supply systems, even in the case of extensive, directly connected DC components and high...

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1 - Connection to an AC system Un 2 - Connection to a DC system Un 3 - onnection to two IT systems that can be coupled with a C coupling switch. Information about the state of the coupling switch is not necessary. 4 - Connection to an IT system using coupling device 5 - Connection to a 3(N)AC system 6 - onnection to the IT system to be monitored (L1/+, L2, L3/-) C 7 - Separate connection of KE, E to PE 8 - K1) Alarm relay 1, available changeover contacts ( 9 - K2) Alarm relay 2, available changeover contacts ( 10 - Switchable resistor R for RS-485 bus termination 11 - Ethernet interface 12...

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Digital interface X1 Digital interface Configurable digital inputs (e.g. test, reset, …) Serial interface RS-485, termination by means of a DIP switch R. Supply voltage of the inputs and outputs I, Q and M. Electrical overload protection. Automatic shutdown in the event of short circuits and transients (resettable). When supplied via an external 24 V source, A1/+, A2/- must not be connected. Configurable digital output Deactivate Device high active TEST RESET +24 V + Q1 Q2 M+ active adjustable Configurable analogue output (e.g. measuring instrument) Reference potential ground Dimension...

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Technical data Insulation coordination acc. to IEC 60664-1/IEC 60664-3 Definitions: Measuring circuit (IC1) Supply circuit (IC2) Output circuit 1 (IC3) Output circuit 2 (IC4) Control circuit (IC5) Rated voltage Overvoltage category Rated impulse voltage: IC1/(IC2-5) IC2/(IC3-5) IC3/(IC4-5) IC4/IC5 Rated insulation voltage: IC1/(IC2-5) IC2/(IC3-5) IC3/(IC4-5) IC4/IC5 Pollution degree outside (Un < 690 V) Pollution degree outside (Un > 690 < 1000 V) Protective separation (reinforced insulation) between: IC1/(IC2-5) IC2/(IC3-5) IC3/(IC4-5) IC4/IC5 Voltage test (routine test) acc. to IEC...

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Technical data (continued) Interfaces Field bus Interface/protocol web server/Modbus TCP/BCOM Data rate 10/100 Mbit/s, autodetect Max. amount Modbus requests < 100/s Cable length ≤ 100 m ConnectionRJ45 IP address DHCP/manual 192.168.0.5 Network mask 255.255.255.0 BCOM address system-1-0 Function communication interface Connection type ISOnet Number of ISOnet devices Maximum nominal system voltage ISOnet ISOloop ISOloop devices Sensor bus Interface/protocol RS-485/isoData/BS bus/Modbus RTU Data rate 9.6 kbaud/s Cable length ≤ 1200 m Cable: twisted pair, one end of shield connected to PE...

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Ordering information Nominal system voltage range Un Suitable system components Description A set of screw-type terminals1) A set of push-wire terminals Enclosure accessories (terminal cover, 2 mounting clips) 1) included in the scope of delivery Coupling devices Suitable measuring instruments on request! Bender GmbH & Co. KG Londorfer Straße 65 • 35305 Grünberg • Germany Tel.: +49 6401 807-0 • info@bender.de • www.bender.de BENDER Group isoRW685W-D-B_D00419_02_D_XXEN / 01.2022 / © Bender GmbH & Co. KG, Germany – subject to change! The specified standards take into account the edition valid...

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ISOMETER® isoRW685W-D-B 8Pages

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ISOMETER® isoRW685W-D-B
8Pages