Connecting The Pe Conductor - Siemens SIMATIC HMI IPC477C Comapct Operating Instructions

1.8.3

Connecting the PE conductor

The PE terminal (M4 thread) on the device (large surface, large-area contact) must be
connected to the PE conductor on the cabinet or system in which the PC is to be installed.
The minimum conductor cross-section may not be less than 5 mm
The PE terminal is needed to protect the device and ensures that interference signals
generated by external power cables, signal cables or cables to the I/O modules are safely
discharged to earth.
Procedure: PE conductor connection for IPC477C
Required tool: TORX T20 screwdriver.
Steps for connecting the PE conductor
1. Connect the PE terminal (M4 thread)
Procedure: PE conductor connection for IPC477C PRO
Required tool: TORX T20 screwdriver.
Steps for connecting the PE conductor
1. Remove the ten screws from the rear
2. Lift up the rear panel slightly and then
SIMATIC HMI IPC477C / HMI IPC477C PRO
Compact Operating Instructions, 10/2010, A5E02368072-02
on the device to the PE conductor on the
cabinet or system in which the PC will be
installed. The minimum conductor cross-
section may not be less than 5 mm
panel of the housing.
remove it.
①
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2
Compact Operating Instructions
1.8 Connecting
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