Siemens Automation System S7-400 - Manual (Page 83)

Wiring the S7-400
4-23
Automation System S7-400 Hardware and Installation
A5E00850741-01
Preparing to Wire the Front Connector
1. Insert a screwdriver at the point marked on the bottom left of the front
connector, then lever off the lower corner of the cover.
2. Open the cover completely.
3. Pull the opened cover forward at the bottom and swing it up.
Levering the cover off Opening the cover Pulling the cover off
Figure 4-12 Preparing to wire the front connector
4. Cut the wires to length. Avoid any loops in the front connector after wiring.
5. Strip the 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.