Siemens SIMATIC CPU 410 System Manual page 192

Plant changes in RUN - CiR
11.10 Notes on Reconfiguration in RUN Mode Depending on the I/O
Adding a DP/PA Coupler with Corresponding PA Slaves to an Existing PA Master System
Adding a DP/PA coupler with corresponding PA slave system downstream of an existing
DP/PA link corresponds with the insertion of multiple PA slaves (Field devices) in an existing
PA master system.
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CPU 410 Process Automation/CPU 410 SMART
System Manual, 05/2017, A5E31622160-AC