AC network insulation monitor ISOMETER® isoNAV685-D-B

Modbus

Offline monitoring 3 insulation levels are monitored Modbus TCP Reduced measuring voltage The ISOMETER® isoNAV685-D-B is an insulation monitoring device for IT systems in accordance with IEC 61557-8. It is universally applicable in de-energised TN, TT or IT systems. Features ISOMETER® to monitor the insulation resistance in de-energised systems Automatic adaptation to the existing system leakage capacitance AMPPLUS measurement method An adjustable response value in the range 10 kΩ…1 MΩ (factory setting = 50 kΩ) High-resolution graphic LC display for excellent readability and recording of the device status Earth connection monitoring Automatic device self test Graphical representation of the insulation resistance over time (isoGraph) History memory with real-time clock (buffer for three days) for storing 1023 alarm messages with date and time Freely programmable digital inputs and outputs Remote setting via the Internet or Intranet (Webserver/Option: COMTRAXX® Gateway) Worldwide remote diagnosis via the Internet BCOM, Modbus TCP and web server Applications Monitoring of de-energised loads and systems