Siemens Simatic RF300 System Manual page 122

Planning the RF300 system
4.5 Guidelines for electromagnetic compatibility (EMC)
Figure 4-19
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 4-20
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.
122
Connection of shielding bus
Interruption of shielded cables
System Manual, 07/2017, C79000-G8976-C345-07
SIMATIC RF300