Siemens Automation System S7-400 - Manual (Page 178)

Assembling and Installing Systems
A-10
Automation System S7-400 Hardware and Installation
A5E00850741-01
A.4 Examples of EMC-Compatible Assembly
Introduction
Below you will find two examples of configurations for programmable controllers for
EMC.
Example 1: Cabinet Configuration for EMC
Figure A-2 shows a cabinet installation in which the measures described above
(grounding of inactive metal parts and connection of cable shields) have been
applied. However, this example only applies to grounded operation. Observe the
points marked in the figure when installing your system.
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Figure A-2 Example of Cabinet Installation for EMC