Table 6-2 Inverter states
S1 In this state, the inverter does not respond to the ON command. The inverter goes into this state
under the following conditions:
● ON was active when switching on the inverter.
Exception: When the automatic start function is active, ON must be active after switching on
the power supply.
● OFF2 or OFF3 is selected.
S2 The prerequisites for switching the motor on are satisfied.
S3 The inverter waits for "enable operation".
S4 The motor is switched on.
S51 The inverter brakes the motor with the ramp-down time of the ramp-function generator.
S52 The inverter brakes the motor with the OFF3 ramp-down time.
The abbreviations S1 … S5b to identify the inverter states are defined in the PROFIdrive profile.
Advanced commissioning
6.2 Sequence control when switching the motor on and off
SINAMICS G120C converter
Operating Instructions, 09/2017, FW V4.7 SP9, A5E34263257B AF 161
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