Unlocking The Front Connector And Removing The Module - Siemens SIMATIC S7-300 Hardware And Installation Manual

Maintenance
Removing a module (SM/FM/CP)
Remove the module as follows:
Step 20-pin front connector
1. Switch the CPU to STOP.
2. Switch off the load voltage to the module.
3. Remove the labeling strip from the module.
4. Open the front panel.
5. Unlock the front connector and remove it.
Press down the unlocking
mechanism (5) with one hand, with
the other hand pull out the front
connector at the grips (5a).
6. Undo the module fixing screw(s).
7. Swing the module out.
Figure 10-1 Unlocking the front connector and removing the module
10-6
40-pin front connector
Remove the fixing screw from the middle
of the front connector. Pull the front
connector out, holding it at the grips.
3
1
4
5a
6
S7-300 Programmable Controller Hardware and Installation
5
A5E00105492-02