DEHN’s condition monitoring system is a compact DIN rail mounted device for monitoring the condition of up to 10 pre-programmed BXT surge arresters with integrated LifeCheck monitoring circuit.
DEHN’s condition monitoring system is a compact DIN rail mounted device for monitoring the condition of up to 10 pre-programmed BXT surge arresters with integrated LifeCheck monitoring circuit. This makes it possible for users to monitor the SPDs remotely, eliminating the need to go to site.
LifeCheck permanently monitors the proper condition of the SPD and acts as an early warning system, detecting imminent electrical or thermal overload of the protection components. The LifeCheck status can be read via contactless RFID technology using the portable DehnRecord LC device, which also shows the date of the previous test done on the SPD module. A fault message is indicated by a three colour LED and is transmitted to one of two integrated signalling contacts for remote indication.
If several modules are used in one switchgear cabinet, the systems are connected via the integrated RS485 interfaces to synchronise the monitoring cycles. Up to 15 systems can be connected to the RS485 bus, allowing 150 Blitzductors or 300 pairs to be monitored simultaneously with minimum wiring effort.
Optional user software for the conditioning monitoring system indicates the status of the SPDs and addresses the LifeCheck equipped Blitzductor modules.
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