Siemens SIMATIC S7-1500 Automation System System Manual page 46

Installation
5.3 Mounting a system power supply module
Dismantling a system power supply module
The system power supply is wired up.
1. Turn off the fed supply voltage.
2. Open the front cover.
3. Shut down the system power supply.
4. Disconnect the power cable connector, and remove the connector from the system power
5. Undo the power supply module's fixing screw(s).
6. Swivel the system power supply out of the mounting rail.
Reference
Further information can be found in the Manuals for the system power supplies.
46
supply.
S7-1500 Automation System
System Manual, 01/2013, A5E03461182-01