Wiring the S7-400
4-33
S7-400 and M7-400 Programmable Controllers, Installation Manual
C79000-G7076-C424-01
Levering the cover off Opening the cover Pulling the cover off
4. Cut the wires to the right lengths so that no loops are created in the front
connector after wiring.
5. Isolate the wires according to the table in Section 4.14.
Note
The front connectors contain a jumper needed for functioning of some signal
modules. Do not remove this jumper.
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