Siemens SINAMICS G120 Operating Instructions Manual page 113

The possible settings for P8458 and their functions are given below.
P8458 = 0: Automatic parameter download from the MMC is inhibited.
P8458 = 1: Automatic parameter download from the MMC only once (at the next start-up
P8458 = 2: Automatic parameter download from the MMC after each start-up of the
Successful automatic download
After a successful automatic download, F0395 will be displayed.
● In case of a standard CU a confirmation is necessary.
● In the case of CUs with fail-safe functions, an acceptance test must be performed.
Confirmation
On standard CUs the current parameter set needs to be checked and confirmed by clearing
F0395. It can be cleared via:
● Digital input or PLC signal (depends on the settings of P0700)
● setting P7844 = 0.
● Pressing the
Acceptance test
On CUs with integrated fail-safe functions it is necessary to do an acceptance test (refer to
the "Fail-safe functions" section in this manual). To clear F0395 on CUs with integrated fail-
safe functions the following procedure has to be followed:
● P0010 = 30
● P9761 = fail-safe password
● P7844 = 0
● Carry out acceptance test
Control Units CU240S
Operating Instructions, 11/2006, A5E00766042B AA
of the CU (default setting)). After the download P8458 is set to 0.
control unit.
FN button on the OP
Warning
The user is responsible for ensuring that the parameters held in the CU are the correct
parameters for their application.
Commissioning (software)
5.7 Commissioning modes
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