Connections; Connector Plates - ABB REF 542plus Technical Reference Manual

1MRS755859
8.
8.1.
Multifunction Protection and Switchbay Control
Unit
Technical Reference Manual

Connections

Connector plates

The pictures show the connections for REF 542plus both in the standard and wide
housing versions. The wide housing version can house three binary input and output
modules, the communication module, the 0/4 ... 20 mA analog output module or
alternatively the 4 ... 20 mA analog input module. The standard housing version can
house at most two binary input and output modules and alternatively the
communication module or the analog output module.
X80
1 5
9 13 17 21
3 3 7 7 11 15 19 11 15 19 23 23
2 2 6 6 10 14 10 14 18 18 22 22
4 4 8 8 12 16 16 20 20 24
12 24
X77 X76 X75 X74
X65 X64 X63
X31
X21
Fig. 8.1.-1 REF 542plus standard housing connections with mixed analog input
connector and connector for the communication module
X86 X85 X84 X83
X73 X72
X62 X61
X30
X20
REF 542plus REF 542plus
X82 X81
X70
X71
X60
3 2 1
X10
- +
A051272
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