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ISOMETER® isoNAV685-D

ISOMETER® isoNAV685-D
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ISOMETER® isoNAV685-D Insulation monitoring device for IT AC systems with galvanically connected rectifiers and converters

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Insulation monitoring device for IT AC systems with galvanically connected rectifiers and converters Product description The ISOMETER® isoNAV685-D is an insulation monitoring device for IT systems in accor dance with IEC 61557-8. It is applicable for use in 3(N)AC systems with nominal system frequency 60 Hz. Application • C/DC main circuits with directly connected DC components, such as rectifiers, A converters, variable-speed drives • Systems including switch-mode power supplies • Systems including frequency inverters ISOMETER® isoNAV685-D Device features • ISOMETER® for IT AC systems with...

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• Communication protocol Modbus TCP The ISOMETER® has been developed in compliance with the following standards: • BCOM for Bender device communication via Ethernet • Integrated web server for reading out measured values and for parameter setting Measurement method The isoNAV685 series uses the patented AMPPlus measurement method. This measurement method allows concise monitoring of modern power supply systems, also in case of extensive, directly connected DC components and high system leakage capacitances. Operating elements 1 - ON 2 - SERVICE The LED “ON” lights when the device is turned...

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Connection to a 3(N)AC system Supply voltage Us (see nameplate) via 6 A fuse C onnection to the IT system to be monitored (L1/+, L2, L3/-) Separate connection of KE, E to PE ( K1) Alarm relay 1, available changeover contacts ( K2) Alarm relay 2, available changeover contacts Switchable resistor R for RS-485 bus termination Ethernet interface Digital interface Note: According to DIN VDE 0100-430, devices for protection against a short-circuit can be omitted for the coupling of terminals L1/+, L2, L3/to the IT system ≤ 690 V to be monitored if the wiring is carried out in such a manner as to...

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Dimension diagram Dimensions in mm 108 Digital interface X1 Digital interface Input 1 Input 2 Input 3 RS-485 A RS-485 B +24 V Output 1 Output 2 Analogue output Ground Deactivate Device high active TEST RESET +24 V + Q1 Q2 M+ active adjustable 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 via A1/+, A2/-. Do not connect the device simultaneously via X1 and A1/+, A2/- to different supply voltages. Danger of damage to property due to incorrect nominal voltage! When the...

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Technical data Insulation coordination according to IEC 60664-1/IEC 60664-3 Measuring circuit Definitions: Measuring circuit (IC1) (L1/+, L2, L3/-) Supply circuit (IC2) A1, A2 Output circuit 1 (IC3) 11, 12, 14 Output circuit 2 (IC4) 21, 22, 24 Control circuit (IC5) (E, KE), (X1, ETH, X3) Rated voltage 1000 V Overvoltage category III Rated impulse voltage: IC1/(IC2-5) 8 kV IC2/(IC3-5) 4 kV IC3/(IC4-5) 4 kV IC4/IC5 4 kV Rated insulation voltage: IC1/(IC2-5) 1000 V IC2/(IC3-5) 250 V IC3/(IC4-5) 250 V IC4/IC5 250 V 3 Pollution degree for accessible parts on the outside of the device housing (Un...

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Technical data (continuation) Interfaces Field bus: Interface/protocol Data rate Max. amount Modbus requests Cable length Connection IP address Network mask BCOM address Function Connection Connection type web server/Modbus TCP/BCOM 10/100 Mbit/s, autodetect < 100/s ≤ 100 m RJ45 DHCP/manual 192.168.0.5 255.255.255.0 system-1-0 communication interface Switching elements Number of switching elements 2 changeover contacts Operating mode N/C operation/N/O operation Contact 11-12-14/21-22-24 none, insulation Alarm 1, insulation fault + DC residual voltage, connection fault, device fault,...

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Ordering information Nominal system voltage range Un 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 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 isoNAV685-D_D00215_05_D_XXEN / 03.2021 / © Bender GmbH & Co. KG, Germany – Subject to change! The specified standards take into account the edition valid until 03.2021 unless otherwise i

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ISOMETER® isoNAV685-D 8Pages

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ISOMETER® isoNAV685-D
8Pages