Control Cabinet Structure
© Siemens AG, 2004. All rights reserved
5-32 EMC Installation Guideline – Planning Guide (EMV) – 03.2004 Edition
Additional mains filter
If an additional mains filter is to be used for further users in the control cabinet (see
Planning guide Converter), the following must be observed:
· Attach the main filter in proximity to the cabinet feed.
· Connect the mains filter via extensive conduction to the cabinet housing.
Numerical control
Power section
I/RF module
Filter module
To motor
Additional line filter
(if required)
Encoder
Supply
Fig. 5-1 Example for a filter module and mains filter assembly (diagrammatic sketch)
Shield buses
The shield bus must be connected extensively to the supporting beams for putting
on the line shields.
Fig. 5-3 Example: Assembly of the shield bus
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