Maintenance
9.6 Module installation / removal
S7-300, CPU 31xC and CPU 31x: Installation
9-8
Operating Instructions, Edition 08/2004, A5E00105492-05
CPU
PS
1
2
3
4
This figure illustrates the steps described:
(1)
Remove labeling strips.
(2)
Open module.
(3)
Press unlocking mechanism/loosen mounting screw, and pull out front connector.
(4)
Remove mounting screw of module and swing module out.
Removing the front connector coding from the module
Before you start installing the new module, remove the upper part of the front connector
coding pin from this module.
Reason: This part is already inserted in the wired front connector.