Installation
4.4 Installing a system power supply
Uninstalling the load current supply
The load current supply is wired up.
To uninstall a load current supply, follow these steps:
1. Open the front cover.
2. Shut down the load current supply.
3. Turn off the supply voltage.
4. Disconnect the power cable connector, and remove the connector from the load current
supply.
5. Unscrew the fixing screw.
6. Swivel the load current supply out of the mounting rail.
Reference
Additional information can be found in the manuals for the load current supplies.
4.4
Installing a system power supply
Introduction
The system power supply has a connection to the backplane bus and supplies the
connected modules with the internal supply voltage.
Requirements
The mounting rail is installed.
Tools required
Screwdriver with 4.5 mm blade
104
S7-1500R/H redundant system
System Manual, 10/2018, A5E41814787-AA