Siemens CPU 410-5H Process Automation - Failure and Replacement of a Communication Module

Failure and replacement of components during redundant operation
11.1 Failure and replacement of central components
CPU 410-5H Process Automation/CPU 410 SMART
System Manual, 10/2013, A5E32631667-AA
171
Step
What has to be done?
How does the system react?
1 Disconnect the module from its peripheral
power supply, if necessary.
2 Disconnect the front connector and wiring.
• If the affected module can generate
diagnostic interrupts and if diagnostic
interrupts are enabled as per
configuration, a diagnostic interrupt is
generated.
• Call OB 122 if you are accessing the
module by direct access
• Call OB 85 if you are accessing the
module using the process image
3 Remove the failed module (in RUN mode).
• Both CPUs generate a remove/insert
interrupt and enter the event in the
diagnostic buffer and the system status
list.
4 Insert the new module.
• Both CPUs generate a remove/insert
interrupt and enter the event in the
diagnostic buffer and the system status
list.
• Parameters are assigned automatically
to the module by the CPU concerned
and the module is addressed again.
5 Plug the front connector into the new
module.
• If the affected module can generate
diagnostic interrupts and if diagnostic
interrupts are enabled as per
configuration, a diagnostic interrupt is
generated.
11.1.4
Failure and replacement of a communication module
This section describes the failure and replacement of communication modules for
PROFIBUS and Industrial Ethernet.
The failure and replacement of communication modules for PROFIBUS DP are described in
section Failure and replacement of a PROFIBUS DP master (Page 176).