Siemens SCALANCE XRH-300

6.5.4 Connecting the grounding via a grounding bolt






① Toothed washer
② Grounding bolt
③ Grounding terminal with cable
④ Washer
⑤ Spring washer
⑥ Nut
To connect the functional or protective grounding on devices with a screw-in grounding bolt,
follow these steps:
1. Place the toothed washer ① on the screw-in grounding bolt ② and tighten the grounding
bolt into the grounding connection thread on the device with a maximum torque of 2 Nm.
2. Put the ground terminal ③, the washer ④ and the spring lock washer together ⑤ on the
grounding bolt as shown in the drawing.
3. Tighten the nut ⑥ with a maximum tightening torque of 0.5 Nm.
6.6 Industrial Ethernet
6.6.1 Electrical
Note
Strain relief for the Ethernet cables
In order to avoid mechanical stress on the Ethernet cables and resulting interruption of the
contact, fasten the cables at a short distance from the connector using a cable guide or busbar.
R-45 connector technology
The attachment to Industrial Ethernet uses RJ-45 connected technology with MDI-X assignment.
Connecting up
6.6 Industrial Ethernet
SCALANCE XRH-300/XRM-300
66 Equipment Manual, 10/2022, C79000-G8976-C546-01