Installation Instructions

Table Of Contents
Installing/mounting
4.2 EMC compliant installation of a machine or system
PM230 Power Module, IP55
Hardware Installation Manual, 12/2016, A5E35319202B AB
23
Do not interrupt the shield.
Only use metallic or metallized plug connectors for shielded data cables.
4.2.2
Electromechanical components
Radio interference suppression
Connect interference suppression elements to the following components:
Coils of contactors
Relays
Solenoid valves
Motor holding brakes
Connect the interference suppression element directly at the coil.
Use RC elements or varistors for AC-operated coils and freewheeling diodes or varistors
for DC-operated coils.
Further information
For further information about EMC compliant installation, click:
EMC installation guideline
(https://support.industry.siemens.com/cs/ww/de/view/60612658/en)