ABB REF542plus - 11 Connection Diagram; Ref542 Plus with Mechanical Binary IO

REF 542plus switchbay protection and control unit
Manual Part 3: Installation and Commissioning
1VTA100004-en DMS,2001-10-04 REF542plus: Installation and Commissioning 73 / 80
11 Connection Diagram
11.1 REF542plus with mechanical binary I/O
Example of REF542plus base version with one mechanical binary I/O version 3.
Extension up to two additional mechanical binary I/O version 3 possible. Other
configurations of the analog input board available, e.g mixed configuration for
transformer and sensor connection.