Installing The Cpu - Siemens SIMATIC S7-1500 Automation System System Manual

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
Tools required
Screwdriver with 4.5 mm blade
Installing the CPU
1. Insert a U-connector into the back right on the CPU.
2. Install the CPU on the mounting rail and slide the CPU up to the left-hand system power
3. Ensure that the U-connector is inserted at the system power supply. Swivel the CPU in to
4. Fasten the CPU (torque 1.5 Nm).
S7-1500 Automation System
System Manual, 01/2013, A5E03461182-01
on the back right.
supply.
the rear.
Figure 5-6 Installing the CPU
Installation
5.5 Installing the CPU
49