Siemens SIMATIC S7-1500 Automation System System Manual page 121

9.3 Replacing the coding element at the power connector of the system power and load current supply
Procedure
1. Orient yourself to the labeling on the power cable connection.
2. Orient yourself to 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
4. Insert the coding element into the back side of the power cable connector, until you hear
S7-1500 Automation System
System Manual, 01/2013, A5E03461182-01
Figure 9-6 Labeling on the power connector
of the 3 red markings corresponds to the voltage indicated on the connector.
it click into place. The figure below shows you how to insert a coding element into a
power cable connector for 24 VDC.
Figure 9-7 Inserting a coding element into a power connector
Maintenance
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