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

Section 10
Merging unit's physical connections
10.2
10.3
10.4
234

Protective earth connections

A070772 V1 EN
Figure 139: The protective earth screw is located between connectors X100 and
X110
The earth lead must be at least 6.0 mm

Binary and analog connections

All binary and analog connections are described in the product
specific application manuals.

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
1MRS758407 B
1
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2
and as short as possible.
Technical Manual
SMU615