Connecting
6.4 Connecting the equipotential bonding circuit
SIMATIC Box PC 627
Operating Instructions, Release 05/2006, A5E00362052-03
6-5
6.4 6.4 Connecting the equipotential bonding circuit
A low-impedance earth connection ensures that interference signals generated by external
power supply cables, signal cables or cables to the I/O modules are safely discharged to
earth.
Equipotential bonding terminal
The equipotential bonding terminal on
the device (large surface, large-area
contact) must be connected with the
central grounding busbar of the cabinet
or plant in which the PC is to be
installed. The minimum conductor
cross-section may not be less than 5
mm
2
.
To Next Page
Loading...
