Requirements
● SIMATIC controller S7-400H with two PROFINET H-CPUs type 41xH
● SINAMICS PROFINET Control Unit CU320-2 PN
● Redundant communication links
Benefits
● No system downtime in the case of a controller failure
● Component replacement possible during ongoing operation
● Configuration changes possible during ongoing operation
● Automatic synchronization after replacing components
Restrictions
● IRT is not supported
● No simultaneous operation of Shared Device and Shared I-Device
● Maximum 2 cyclical PROFINET connections
● System redundancy only via the onboard interface of SINAMICS PROFINET Control Unit
● For the duration of switching from one controller to the other, the setpoints of the last
connection remain frozen and valid.
Communication
A.1 Communication
Industrial Security
170 Configuration Manual, 08/2017, A5E36912609A
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