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8024252/AE00/V1-0/2020-07| SICK
O P E R A T I N G I N S T R U C T I O N S | ZIRKOR200 Ex-D
Subject to change without notice
5
INSTALLATION
5.10.3
Potential equalization (PE, ground)
▸
Connect the external grounding connection on the enclosure parts of the control unit
and the supply unit , probe enclosure, the optionally installed solenoid valves directly to
the main potential (ground). The required conductor cross-section is 4 mm².
5.10.4
Fitting the ferrite sleeves (EMC)
Mount the ferrite sleeves supplied as follows to avoid line-bound interference influencing
the control unit.
EU conformity is void when these ferrite sleeves are not installed!