Wiring and Shielding
© Siemens AG, 2004. All rights reserved
EMC Installation Guideline – Planning Guide (EMV) – 03.2004 Edition
6-41
6.2.4 Further conduction of the line shield at the interruption point
Intermediate plug
If shielded lines must be interrupted, the shield must be continued via the
respective plug housing. Only plugs suitable for this (HF-tight version with good,
durable contacting of the shields) should be used.
Shield folded back by 180°
and connected to connector
casing
Rubber sleeve
Fig. 6-4 Shield treatment in the plug housing
Terminals
Normally only suitable plugs and plug housings may be used with the interruption
of the line shielding for the continuation of the shielding. If an interruption of the
shielding and a twisting of the lines is absolutely necessary in exceptional cases,
the line must be screwed extensively to a shield bus before and after the plug
(terminal).
The following picture shows the principal structure of such an arrangement.
Shielding buses
Shield bond
Connecting bar
Terminals
Fig. 6-5 Shield treatment with terminal strips
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