Installing A System Power Supply - Siemens SIMATIC S7-1500 System Manual
Automation system
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Installation
4.3 Installing a system power supply
4.3
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
Installing a system power supply
To install the system power supply, follow these steps:
1. Insert the U-connector into the back of the system power supply.
2. Hang the system power supply on the mounting rail.
3. Swivel the system power supply to the rear.
Figure 4-4
4. Open the front cover.
5. Disconnect the power cable connector from the system power supply.
6. Screw the system power supply tight (torque 1.5 Nm).
7. Insert the already wired-up power cable connector into the system power supply.
Information about wiring of the power cable connector is available in the section Connecting
system power supply and load current supply (Page 81).
54
Installing a system power supply
Automation system
System Manual, 09/2016, A5E03461182-AD
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