Installing A Load Current Supply - Siemens SIMATIC S7-1500 System Manual

Installation

4.4 Installing a load current supply

4.4 Installing a load current supply
Introduction
Load current supplies do not have a connection to the backplane bus of the S7-1500
automation systems/ET 200MP distributed I/O system and also do not occupy a slot on the
backplane bus. The system power supply, CPU, interface module and input and output
circuits of the I/O modules are supplied with 24 V DC by the load current supply.
Requirements
The mounting rail is installed.
Tools required
Screwdriver with 4.5 mm blade
Installing a load current supply
Watch video sequence
manuals/getting-started_simatic-s7-1500/videos/EN/mount/start.html)
To install a load current supply, follow these steps:
1. Hook the load current supply on the mounting rail.
2. Swivel the load current supply to the rear.
Figure 4-5
3. Open the front cover.
4. Disconnect the power cable connector from the load current supply.
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Installing a load current supply
Automation system
System Manual, 09/2016, A5E03461182-AD