Siemens CPU 410-5H Process Automation - Page 180

Failure and replacement of components during redundant operation
11.3 Failure and replacement of components of PROFINET IO
CPU 410-5H Process Automation/CPU 410 SMART
180 System Manual, 10/2013, A5E32631667-AA
Replacement procedure
Proceed as follows to replace PROFINET IO cables:
Step
What has to be done?
How does the system react?
1 Check the cabling and localize the
interrupted PROFINET IO cable.
–
2
Replace the defective cable.
–
3 Switch the failed modules to RUN
mode.
The CPUs process the error OBs synchronized
with each other
• With one-sided I/O:
Rack failure OB 86 (outgoing event)
The IO cables can be addressed via the IO
controller.
• With switched I/O:
I/O redundancy error OB 70 (outgoing
event).
The IO cables can be addressed via both IO
controllers.