Siemens SIMATIC CPU 410 User Manual

Supplementary information
18.11 Communication via fault-tolerant S7 connections
CPU 410 Process Automation/CPU 410 SMART
System Manual, 05/2017, A5E31622160-AC
339
Figure 18-20 Example of redundancy with fault-tolerant system and redundant bus system
Figure 18-21 Example of redundancy with a fault-tolerant system, redundant bus system and
redundant connection to the PC.
Response to failure
Double errors in the fault-tolerant system, e.g., CPUa1 and CPa2, or failure of the PC station
result in a total failure of communication between the systems involved; see previous figures.

Siemens SIMATIC CPU 410 Specifications

General

Brand	Siemens
Model	SIMATIC CPU 410
Category	Control Unit
Language	English