3. Installation
Page 24 MF0121ACP_uc.docx Manual for Node AM4
3.2.3. Grounding
Grounding (earthing) must be carried out.
Connect an earth-bonding cable to the
grounding connection provided at the
outside of the unit. Do not use the
grounding connection to connect external
devices.
figure 3-1 Grounding bolt
Note: The PE cables must have a minimum cross section of 16 mm
2
.
The local ground cable requires an adequate ear for the M8 GND bolt.
Grounding
bolt
Hexagon nut M8 DIN934
Plain washer M8 DIN125
Cabinet
Locking ring M8 DIN127
Plain washer M8 DIN125
Contact washer M8
Local ground cable
GND bolt M8
After loosening the hex nut, connect
the earth-bonding cable between the
two washers, and fasten all parts again
with the hex nut: