Siemens SIMATIC NET SCALANCE W720, Руководство по эксплуатации

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Connection
6.5 Grounding
SCALANCE W760 / W720
Operating Instructions, 03/2022, C79000-G8976-C322-13
45
6.5 Grounding
A functional grounding must be established for example by connecting a cable from the
three-pin socket to the DIN rail, refer to the section "Device view (Page 20)“ or section
“Power supply (Page 42)“. Such a cable should be kept as short as possible.
If cables are installed permanently, it is advisable to remove the insulation of the
shielded cable and to establish contact on the shield/PE conductor bar.