Siemens SINAMICS S210 - Electromechanical Components; Requirements Relating to Shielded Cables; Surge Voltage Protection Circuit

Requirements relating to shielded cables
● Use cables with finely-stranded, braided shields.
● Connect the shield at both ends of the cable.
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Figure 3-2 Shield support with the shield terminal from the scope of supply of the MOTION-
CONNECT OCC cable.
● Connect the shield to the shield support.
● Do not interrupt the shield.
3.1.3 Electromechanical components
Surge voltage protection circuit
● Connect surge voltage protection circuits to the following components:
– Coils of contactors
– Relays
– Solenoid valves
● Connect the surge voltage protection circuit directly at the coil.
● Use RC elements or varistors for AC-operated coils and freewheeling diodes or varistors
for DC-operated coils.
Configuring
3.1 EMC-compliant installation of a machine or system
SINAMICS S210 servo drive system
38 Operating Instructions, 12/2017, A5E41702836B AA