Siemens SIMATIC S7-1500 System Manual page 461

Maintenance
14.3 Replacing the coding element at the power connector of the system power/load current supply
Procedure
Follow these steps to replace the coding element on the power connector of the system
power/load current supply:
1. Orient yourself using the labeling on the power cable connection.
Figure 14-4
2. Orient yourself using the red marking on the coding element.
3. The coding element has 3 red markings. Turn the coding element in such a way that one of
the 3 red markings corresponds to the voltage indicated on the connector.
4. Insert the coding element into the back side of the power cable connector, until you hear it
click into place. The figure below shows you how to insert a coding element into a power
cable connector for 24 V DC.
Figure 14-5
460
Labeling on the power connector
Inserting a coding element into a power connector
S7-1500R/H redundant system
System Manual, 01/2024, A5E41814787-AF