Preparing To Wire The Front Connector - Siemens S7-400 Installation Manual

Wiring the S7-400

Preparing to Wire the Front Connector

1. Insert a screwdriver at the point marked on the bottom left of the front connector
and lever the lower corner of the cover off the front connector.
2. Open the cover completely.
3. Pull the opened cover forward at the bottom and swing it upwards and off.
Levering the cover off
Figure 4-13 Preparing to wire the front connector
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 4.11.
Note
The front connectors contain a jumper needed for functioning of some signal
modules. Do not remove this jumper.
4-26
Opening the cover
S7-400 and M7-400 Programmable Controllers Hardware and Installation
Pulling the cover off
A5E00069481-04