9.4
Reduced acceptance after component replacement and firmware
change
After a component has been replaced or the firmware updated, a reduced acceptance test of
the safety functions must be performed.
Measure
Reduced acceptance test
Acceptance test
Documentation
Replacing the inverter with an iden‐
tical type
No.
Only check the direction of
rotation of the motor.
● Supplement the inverter data
● Log the new checksums
● Countersignature
● Supplement the hardware
version in the inverter data.
Replacing the motor with an identi‐
cal pole pair number
No change.
Replace the gearbox with an iden‐
tical ratio
Replacing safety-related I/O devi‐
ces (e.g. Emergency Stop switch).
No.
Only check the control of the
safety functions affected by
the components that have
been replaced.
No change.
Inverter firmware update.
No.
● Supplement firmware version
in the inverter data
● Log the new checksums
● Countersignature.
Corrective maintenance
9.4 Reduced acceptance after component replacement and firmware change
SINAMICS G120C converter
398
Operating Instructions, 09/2017, FW V4.7 SP9, A5E34263257B AF
