Connecting
5.4 Connecting equipotential bonding
SIMATIC IPC627C
Getting Started, 09/2011, A5E02669077-03
35
5.4
Connecting equipotential bonding
The equipotential bonding terminal (M4 thread) on the device (large surface, large-area
contact) must be connected to the PE conductor of the cabinet or system in which the device
is to be installed. The minimum cross-section is 5 mm
2
.
The equipotential bonding terminal is necessary to protect the device and improves the
discharge of interference generated by external power cables, signal cables or cables to the
I/O modules.
Connecting equipotential bonding
Connect the equipotential bonding
terminal on the device (large surface,
large-area contact) to the central
grounding point of the cabinet in which
the device is installed. The minimum
cross-section is 5 mm
2
.