Siemens SIMATIC ET 200M Operating Instructions Manual page 109

Removing the Front Connector Coding Key
Prior to installing the new module, you must remove the front connector coding key from the
new module. Reason: This part is already available in the wired front connector (refer to the
following figure).
Figure 7-1
Installing a New Module
Proceed as follows when installing a new module:
1. Hook the new module of the same type onto the rail and swing it down into place.
2. Screw the module on securely.
3. Push the labeling strip of the old module into place on the new module.
ET 200M
Operating Instructions, 04/2022, EWA-4NEB7806006-09
7.6 Replace modules without the function "Change During Operation"
Removing the Front Connector Coding Key
Maintenance and service
109