6.4
Connecting functional ground
Grounding options
Grounding (functional ground) is via the mounting bracket on the device or via the bolts on the
rear of the device.
Position
The connector for the grounding cable is in the center of the rear panel of the device, see
section "Dimension drawings (Page 65)".
Grounding is via a screw-in or a pressed in grounding bolt, see section "Product overview
(Page 17)".
Fitting screw in grounding bolts
1
2
①
Toothed washer
②
Grounding bolt
To fit the screw-in grounding bolts, follow the steps below:
1. Thread the toothed washer
①
onto the bolt.
2. Screw in the grounding bolt
②
with a maximum tightening torque of 2 Nm.
Connecting up functional ground
Screw-in grounding bolts
Pressed in grounding bolts
6
5
4
3
6
5
4
3
③
Grounding terminal with cable
Connecting up
6.4 Connecting functional ground
SCALANCE XR-300M
Compact Operating Instructions, 11/2019, A5E02661171-15
45
Summary of Contents for SCALANCE XR-300M
Page 10: ...Introduction SCALANCE XR 300M 10 Compact Operating Instructions 11 2019 A5E02661171 15 ...
Page 12: ...Safety notices SCALANCE XR 300M 12 Compact Operating Instructions 11 2019 A5E02661171 15 ...
Page 82: ...Index SCALANCE XR 300M 82 Compact Operating Instructions 11 2019 A5E02661171 15 ...