SCALANCE W774-1 /W734-1
Operating Instructions, 07/2020, C79000-G8976-C325-14
35
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 for the Ethernet cables
In order to avoid mechanical stress on the Ethernet cables and resulting interruption of
the contact, fasten the cables at a short distance from the connector using a cable guide
or busbar.
Note
Close unused sockets
Close all unused M12 sockets with protective caps (tightening torque at least 0.4 Nm) to
achieve the specified type of protection.