Siemens SIMATIC ET 200eco PN M12-L System Manual page 58

Connecting
7.4 Connecting ET 200eco PN M12-L to the functional earth
Mounting
To connect ET 200eco PN M12‑L distributed I/O devices to functional earth, proceed as
follows:
1. Drill two fastening holes. The dimensions of the I/O device can be found in the section
Dimension drawing I/O device (Page 113).
2. Strip the grounding cable.
3. Fasten the cable lug to the grounding cable.
4. Screw the I/O device and the cable lug with the 5 mm fastening screws using a torque of
3 Nm.
The figure below shows how to connect functional earth.
58
Distributed I/O system ET 200eco PN M12-L
System Manual, 11/2023, A5E48753295-AG