Communication; Failure Of Redundant Bus Components - Siemens Simatic PCS 7 Function Manual

Failure, switchover and reintegration of high availability components

7.3 Communication

7.3 Communication
7.3.1

Failure of redundant bus components

Functionality
As soon as a fault occurs on a transmission path, the second transmission path takes over
and forwards the signals.
Failure scenarios
The following problems can occur on a bus component:
● Defective bus component (e.g., CP, coupler, AFD, AFS, cable)
● Problem on a bus line (e.g., overload, wire break)
Additional information
● Manual
● Manual
● Manual
● Operating instructions
● Operating instructions
● Operating instructions
204
SIMATIC Net Twisted Pair and Fiber-Optic Networks
SIMATIC Net PROFIBUS Networks
SIMATIC; Communication with SIMATIC
SIMATIC NET; Industrial Ethernet Switches SCALANCE X-200
SIMATIC NET; Industrial Ethernet Switches SCALANCE X-300
SIMATIC NET; Industrial Ethernet Switches SCALANCE X-400
High Availability Process Control Systems (V9.0)
Function Manual, 05/2017, A5E39221836-AA