Redundancy Of The Power Supply - Siemens SIMATIC ET 200iSP Operating Instructions Manual

Configurations (principle)

4.12 Redundancy of the Power Supply

Example configuration of a redundant bus system and the interface modules
The following figure shows a configuration using an S7-400H as an example. You can find a
detailed description of H systems in the manual S7-400H Automation system, Introduction to
the system.
Figure 4-6
S7-400H as DP master
You require STEP 7 V5.0 and higher and the SIMATIC S7 H systems software package to
configure the S7-400H system.
DP master 1 and DP master 2:
• Run the same user program.
• Have the same parameter assignments and configuration for the IM 152-1DP.
4.12 Redundancy of the Power Supply
Properties
With the ET 200iSP you can set up a redundant power supply PS. When one power supply PS fails,
the system fails over to the second power supply PS without interruption.
Requirements
• Terminal module TM-PS-A
• Terminal module TM-PS-B
82
Redundancy with 2 x IM 152-1DP in one H system
Operating Instructions, 11/2022, A5E00247483-AK
ET 200iSP