Wiring the S7-400
4-23
AutomationSystem S7-400 Hardwareand Installation
A5E00850741-01
Preparing to Wire the Front Connector
1. Inserta screwdriver at the point marked on the bottom left of the front
connector,then lever off the lower corner of the cover.
2. Openthe cover completely.
3. Pullthe opened cover forward at the bottom and swing it up.
Levering the cover off Opening the cover Pulling the cover off
Figure 4-12Preparing to wire the front connector
4. Cutthe wires to length. Avoid any loops in the front connector after wiring.
5. Stripthe wires according to the table in Section 4.11.
Note
The front connector contains a jumper which is required to enable specific
functions on certain signal modules. Do not remove this jumper.