Installing A System Power Supply - Siemens SIMATIC S7-1500 System Manual

Installation

7.5 Installing a system power supply

Mounting to the standard DIN rail 35 mm x 15 mm
To install DIN rail adapter on the standard DIN rail 35 mm x 15 mm, follow these steps:
1. Set the clamp onto the standard DIN rail.
2. The longer transverse edge of the adapter frame points toward the cabinet or box wall (3).
3. Place the S7-1500R/H mounting rail on the adapter frame so that the groove in the S7-
1500R/H mounting rail fits into the groove in the adapter frame.
Place the S7-1500R/H mounting rail with the adapter frame onto the clamp (4).
4. Use screws to fasten the S7-1500R/H mounting rail to the DIN rail adapter and the standard
mounting rail (tightening torque 5 Nm to 6 Nm).
7.5 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.
Note
Configuration with active backplane bus
You can find the active backplane bus procedure in the Active backplane bus
(https://support.industry.siemens.com/cs/de/de/view/109778694/en) Equipment Manual.
This section describes the installation of the system power supply via U-connector.
Requirements
The rail is installed.
Tools required
Slotted-head screwdriver 4.5 mm
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. Hook the system power supply onto the rail.
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S7-1500R/H redundant system
System Manual, 01/2024, A5E41814787-AF