Protective Earth Connections; Binary And Analog Connections; Communication Connections - ABB RELION SMU615 Technical Manual

1MRS758407 C
10.2

Protective earth connections

Figure 141: The protective earth screw is located between connectors X100 and X110
10.3

Binary and analog connections

10.4

Communication connections

The front communication connection is an RJ-45 type connector used mainly for
configuration and setting.
Two optional communication connections are available.
• Galvanic RJ-45 Ethernet connection
• Optical LC Ethernet connection
SMU615
Technical Manual
The earth lead must be at least 6.0 mm
All binary and analog connections are described in the product specific
application manuals.
Never touch the end face of an optical fiber connector.
Merging unit's physical connections
1 1
2
2
3 3
4 4
5 5
6 6
7
7
8
8
9 9
10 10
11 11
12 12
13
13
14 14
15 15
16
16
17 17
18
18
19 19
20
20
21 21
22 22
23 23
24 24
2
and as short as possible.
251