SCALANCE W788-x / W748-1
Operating Instructions, 09/2017, A5E03678333-12
35
Safety when connecting up
Safety notices
When connecting up the device, keep to the safety notices listed below.
Replacing components may impair suitability for Class 1, Division 2 or Zone 2.
Do not open the device when the supply voltage is turned on.
Note
Strain relief of the interfaces
To prevent weights or mechanical moveme
nt 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 ty
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