Table of Contents
Advertisement
6.3
Protective ground connection
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 conductor cross-section must not be less than 2.5 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.
Required tool for protective earth terminal: TORX T20 screwdriver
Protective earth terminal
Connect the PE terminal (M4 thread)
① 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 2,5 mm
SIMATIC IPC427C
Operating Instructions, 04/2009, A5E02414743-01
.
2
6.3 Protective ground connection
.
2
Connecting
35
Advertisement
Table of Contents
