Installing The Cpu - Siemens SIMATIC S7-1500 System Manual

Dismantling the load current supply
The load current supply is wired up.
1. Turn off the fed supply voltage.
2. Open the front cover.
3. Shut down the load current supply.
4. Disconnect the power cable connector, and remove the connector from the load current
5. Undo the power supply module's fixing screw(s).
6. Swivel the load current supply out of the mounting rail.
Reference
Further information can be found in the Manuals for the load current supplies.
5.5

Installing the CPU

Introduction
The CPU executes the user program and uses the integrated system power supply to supply
the electronics of the modules via the backplane bus.
Requirements
The following preconditions have to be fulfilled to mount a CPU:
● The mounting rail is installed.
● In a system power supply located on the left next to the CPU, a U connector is inserted
Note
Protective film
Note that a protective film is applied to the display in the delivery state of the CPU. You can
remove the protective film as required.
Tools required
Screwdriver with 4.5 mm blade
S7-1500 Automation System
System Manual, 02/2014, A5E03461182-AB
supply.
on the back right.
Installation
5.5 Installing the CPU
55