Fig. 48 RCU Connect – RCU communicating
correctly with Fusesavers (top) and CMR
installations (bottom)
Using this data and the displays on the RCU the user satisfies themselves that the site is working
correctly.
A suggested check list for confirming successful RCU commissioning at a site is:
1 RCU Battery LED ON
2 Switchgear OK LED ON
3 Switchgear line name correct.
4 RCU messages being received by SCADA and being responded to by the RCU. The
Protocol Tx and Protocol Rx LEDs on the front of the RCU can be used for this or the
protocol counters in RCU Connect.
5 RCU Source Supply ON.
6 Dummy control of Fusesaver working from SCADA operator for all phases.
7 Remote Control LED ON.
8 If an Operator Control Panel is fitted then the displays on the panel show the correct
switchgear state, the correct protection mode and all phases are healthy.
7.6 Reset RCU Configuration Procedure
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