Multifunction Protection and Switchgear Control Unit, model REF542plus
Operator’s Manual
17 Appendix A: Connection diagrams
The pictures below show the connections plate for REF542plus both in the
wide and standard housing versions. The wide housing version can house
three binary input and output modules, the communication module and, the
analogue output module or alternatively the analogue 4-20mA input module.
The standard housing version can house at most two binary input and output modules and alternatively the communication or the analogue output
module.
The connectors meaning is explained in the following.
Warning!
Do not operate a switchgear unless the REF52plus connections are
properly done, verified by an expert electrician and tighten.
-
+
Figure 43: REF542plus wide housing connections plate with mixed analogue input connector.
1VTA100172-Rev 4, en
Valid for version V4D02
PTMV, 04.04.2005
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