ABB REF 542plus Technical Reference Manual

X80
-+
X10
X20
X30
X70
X71
X72
X81X83X85X86 X84 X82
X73
X74X76
X75
X77
X31
X31
X21
2
3
6
4
7
11
15 19
20
22
23
24
10
14
16
18
128
321
1
2
3
5
6
4
7
9
11
13
15
17
19
20
22
23
24
21
10
14
16
18
12
8
A051273
Fig. 8.1.-2 REF 542plus standard housing connections with mixed analog input
connector and connector for the 0/4 ... 20 mA analog output module
X80
-+
X10
X20
X30
X41
X50
X40
X60
X70
X71
X72
X81X83X85X86 X84 X82
X73
X74X76
X75
X77
X65 X64 X63 X62 X61
X31
X21
1
2
3
5
6
4
7
9
11
13
15
17
19
20
22
23
24
21
10
14
16
18
12
8
321
A051274
Fig. 8.1.-3 REF 542plus wide housing connections plate
The connectors meaning is explained in the following Table 8.1.-1. A few
connectors have different meaning depending upon the used communication module
type. Sensors connectors X87 and X88 are placed instead of X80 when only sensors
are used.
60
REF 542plusREF 542plus
Multifunction Protection and Switchbay Control
Unit
Technical Reference Manual
1MRS755859

ABB REF 542plus Specifications

General

Brand	ABB
Model	REF 542plus
Category	Control Unit
Language	English