Siemens SIROTEC Planning Manual page 24

Equipotential Bonding
Grouping:
With an insulated component structure or when connecting equipotential bonding
lines of cabinet external components, the equipotential bonding lines must be
arranged separately from the power components and signal-sensitive components.
The equipotential bonding lines must be arranged in groups.
Signal-circuit
components
Power
components
Fig. 4-3
4-24
NC
Interface control
PLC
Control electronics
of drive control
0 V cable from ext.
power pack
Relay adapters
Actual-value encoder
Arrangement of equipotential bonding lines in groups
EMC Installation Guideline – Planning Guide (EMV) – 03.2004 Edition
Equipotential
bonding strip
XXX
XXX
Earthing bar
= Large-area, conductive connection
XXX
to earthed housing
© Siemens AG, 2004. All rights reserved