Connection
5
Safety notices
When connecting up the device, keep to the safety notices listed below.
WARNING
EXPLOSION HAZARD
SUBSTITUTION OF COMPONENTS MAY IMPAIR SUITABILITY FOR CLASS I, DIVISION
2 OR ZONE 2.
WARNING
EXPLOSION HAZARD
DO NOT OPEN WHEN ENERGIZED.
Note
Strain relief of the interfaces
To prevent weights or mechanical movement that can affect an interface causing interrupted
contact, fix the cables to a cable guide or rail at short intervals.
SCALANCE W760/W720
Operating Instructions, 09/2017, C79000-G8976-C322-08 29
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