Appendix
A.2 Protection against electromagnetic interference
S7-300, CPU 31xC and CPU 31x: Installation
Operating Instructions, Edition 08/2004, A5E00105492-05
A-9
A.2.4 Examples of an EMC-compliant installation: Cabinet installation
Cabinet installation
The figure below shows a cabinet installation with the measures described above (bonding
of inactive metal parts to chassis ground and connecting the cable shielding to ground). This
sample applies only to grounded operation. Note the points in the figure when you install
your system.
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Figure A-1 Example of an EMC compatible cabinet installation
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