Siemens SIMATIC IPC477E PRO - Connecting the PE Conductor

Mounting and connecting the HMI device
4.4 Connecting the device
SIMATIC IPC477E PRO
Operating Instructions, 08/2017, A5E39912462-AA
47
4.4.2.2
connecting the PE conductor
The connection for the protective conductor is labeled with the following symbol:
Requirements
● The device is installed.
● 1 protective conductor with minimum core cross-section of 2.5 mm
2
● 1 T20 screwdriver
● 1 cable lug for M4
Procedure
1.
Clamp the cable lug onto the protective conductor.
2.
Connect the cable lug to the screw at the
designated protective conductor conne
c-
tion.
Tighten the M4 screw with a torque of
max. 1.5 Nm.
3.
Connect the protective conducto
r to the protective conductor connection of the control
cabinet from which the PRO device is supplied.