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Connect functional grounding via an grounding screw
①
Grounding terminal with cable
②
Grounding screw with spring washer and washer
To connect the functional grounding for devices with a grounding screw, proceed as follows:
1. Loosen the grounding screw.
2. Put the grounding terminal
①
, and the grounding screw
②
together as shown in the
drawing.
3. Tighten the grounding screw
②
with a maximum tightening torque of 1.5 Nm.
Connect functional grounding via an grounding bolt
4
3
2
1
①
Grounding terminal with cable
②
Washer
③
Spring washer
④
Nut
To connect the functional grounding for devices with a grounding bolt, proceed as follows:
1. Put the parts
①
,
②
and
③
together on the grounding bolt as shown in the drawing.
2. Tighten the nut
④
with a maximum tightening torque of 1.5 Nm.
Connecting up
4.6 Functional ground
SCALANCE XR-100WG
Operating Instructions, 09/2020, C79000-G8976-C455-04
39