Maintenance
12.7 Resetting CPU/interface module (PROFINET) to factory settings
Distributed I/O system
250
System Manual, 12/2016, A5E03576849-AG
Behavior during the firmware update
Note the following behavior of the relevant I/O module when carrying out a firmware update:
●
The DIAG LED display flashes red.
●
The I/O module retains its current diagnostic status.
●
Diagnostics alarm: Channel temporarily unavailable (error code 31
D
/1F
H
)
●
All outputs are in a current-free/voltage-free state
Note the following behavior during the firmware update of the motor starter:
●
RN flashes green and ER flashes red.
●
ST/OL flashes green and MAN flashes yellow.
●
The motor starter powers up after completion of the firmware update. Diagnoses are
reset. The firmware update does not affect the TMM and the cooling time.
●
The sensor supply of the DI module remains active.
Behavior after the firmware update
After the firmware update, check the firmware version of the updated module.
Reference
You can find more information on the procedure in the STEP 7 online help.
12.7
Resetting CPU/interface module (PROFINET) to factory settings
12.7.1
Resetting the CPU to factory settings
Function
The CPU can be reset to its delivery state using "Reset to factory settings". The function
deletes all information saved internally on the CPU.
Recommendation:
If you want to remove a PROFINET CPU and use it elsewhere with a different program, or
put it into storage, we recommend that you reset the CPU to its factory settings. When
restoring factory settings, remember that the IP address parameters are also deleted.
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