SCALANCE W774-1 /W734-1
Operating Instructions, 01/2017, C79000-G8976-C325-08
35
When connecting up the device, keep to the safety notices listed below.
SUBSTITUTION OF COMPONENTS MAY IMPAIR SUITABILITY FOR CLASS I, DIVISION
2 OR ZONE 2.
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.
Note
Close unused sockets
Close all unused M12 sockets with protective caps (torque at
least 0.4 Nm) to achieve the
specified type of protection.
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