Binary Input And Output Connections - ABB REF 542plus Technical Reference Manual

1MRS755859
8.2.
Multifunction Protection and Switchbay Control
Unit
Technical Reference Manual
When conventional instrument transformers are in use, the connector looks like in
the Fig. 8.1.-5
X88 X87 X86
X80
1 5 9 13
17 21
3 3 7 11 15 19 7 11 15 19 23 23
18 18
2 2 6 6 10 14 10 14 22 22
4 4 8 8 12 12 16 16 20 20 24 24
Fig. 8.1.-5 Connector for analog input module sensors and connector for
conventional instrument transformers

Binary input and output connections

Binary inputs and outputs modules use the following connectors:
X20 (inputs), X21 (outputs) for the first module
*
X30 (inputs), X31 (outputs) for the second module
*
X40 (inputs), X41 (outputs) for the third module, available with the wide case
*
only
The Fig. 8.2.-1 shows the connection diagram for the binary inputs and outputs
module BIO3.
X85 X84 X83 X82 X81
REF 542plus REF 542plus
A051277
63