Siemens SIMATIC S7-1500 System Manual page 306

2. From the hardware catalog, drag the required CP 1543-1 to rail_0 from slot 2. If the power
segment overview is negative, then you must additionally drop a PS system power supply
onto rail_0.
Figure 9-11
Result: The modules are also automatically configured in rail_1. In the project tree, the
modules are displayed in the "Local modules" area of the respective R-CPU.
Note
Customizing modules
When you customize the modules on rail_0, these changes are automatically applied to
rail_1.
Note
Unconfigured communications processors
Unconfigured CPs are listed as stand-alone devices under "Accessible devices".
S7-1500R/H redundant system
System Manual, 01/2024, A5E41814787-AF
Configuring CP 1543-1
9.6 Configuring R-CPUs with communications processors
Configuration
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