Siemens SINAMICS G220 - Page 566

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Figure14-162 Sequence control of the converter when the motor is switched on and o󹪜
The converter states S1…S5c are de󹪝ned in the PROFIdrive pro󹪝le. The sequence control
de󹪝nes the transition from one state to another.
Table 14-79 Converter states
The motor is switched o󹪜 The motor is switched on
Current does not 󹪞ow in the motor and the motor
does not generate any torque
Current 󹪞ows in the motor and the motor gener‐
ates a torque
S1 The ON command and an OFF command
are active at the same time.
In order for the converter to exit the state,
you must deactivate OFF2 and OFF3 and
activate the ON command again.
S4 The motor is switched on.
S2 The converter waits for a command to
start the motor.
S5a,
S5c
The converter brakes the motor with the
ramp-down time of the ramp-function
generator.
S3 The converter waits for "Enable opera‐
tion". The "Enable operation" command is
always active in the converter factory set‐
ting.
S5b The converter brakes the motor with the
OFF3 ramp-down time.
Functions
14.11Drive functions
SINAMICS G220 converter
564 Operating Instructions, 04/2024, FW V6.2, A5E51781573B AB