Siemens SIMATIC RF300 System Manual page 91

Figure 4-27
The shielding bus must be connected to the PE busbar.
If shielded cables have to be interrupted, the shield must be continued via the corresponding
connector housing. Only suitable connectors may be used for this purpose.
Figure 4-28
If intermediate connectors, which do not have a suitable shield connection, are used, the
shield must be continued by fixing cable clamps at the point of interruption. This ensures a
large-area, HF-conducting contact.
SIMATIC RF300
System Manual, 01/2009, A5E01642529-03
Connection of shielding bus
Interruption of shielded cables
RF300 system planning
4.7 EMC Directives
91