ABB REF 542plus User Manual

A051458
Fig. 19.3.2.-1 4-20 mA analog inputs
Only passive sensors, for example those that are powered from the loop
can be connected to the 4…20 mA analog input module.
19.3.3. Communication module
The communication module uses connectors from X60, X61, X62, X63, X64 and
X65 depending on the physical media type (RS 845, glass or plastic fiber).
19.3.4. Power supply
Power supply for the Base Unit is X10.
19.3.5. Time synchronization
The optical input for time synchronization is X74.
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REF 542plusREF 542plus
Multifunction Protection and Switchgear Control Unit
Operator's manual
1MRS755869

ABB REF 542plus Specifications

General

Brand	ABB
Model	REF 542plus
Category	Control Unit
Language	English