Siemens SIMATIC S7-1500 System Manual page 258

Uninstalling a communications processor in the R-system
The communications processor is wired.
Follow these steps to remove a communications processor:
1. Turn off all feed supply voltages.
2. Open the front cover.
3. Remove the RJ45 plug with the Ethernet cable from the communications processor.
4. Loosen the fixing screw of the communications processor.
5. Swivel the communications processor out of the rail.
S7-1500R/H redundant system
System Manual, 01/2024, A5E41814787-AF
7.8 Installing a communications processor
Installation
257