Connecting The Equipotential Bonding Circuit - Siemens Simatic Box PC 840 V2 Getting Started

Connecting

5.4 Connecting the equipotential bonding circuit

5.4 Connecting the equipotential bonding circuit
5.4
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
5-6
.
2
SIMATIC Box PC 840 V2
Getting Started, Edition 05/2006, A5E00244266-02