4. Open the properties window of the IM 152 and activate both PROFIBUS DP connections
in the "Redundancy" tab: "PROFIBUS" and "PROFIBUS-Red".
5. Save the configuration and download it to the CPU.
Sample configuration of a redundant DP-master system and IM 152
The following figure shows a sample configuration on an S7-400H. For a detailed description
of H-systems, refer to the manual
S7-400H Automation System, Introduction to the system.
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Figure 3-14
Redundancy with 2 x IM 152 modules in an H-system
S7-400H as DP master
You need
STEP 7 V 5.0 or higher and the SIMATIC S7 H-Systems software package to
configure the S7-400H system.
DP master 1 and DP master 2 ...
● execute the same user program.
● have the same parameter assignment and configuration for the IM 152.
Configuration options
3.18 Redundancy with IM 152
ET 200iSP
Operating Instructions, 11/2017, A5E00247483-07
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