Advanced Commissioning; Overview Of The Converter Functions - Siemens sinamics G120 Operating Instructions Manual

Advanced commissioning

6.1

Overview of the converter functions

Inverter control is responsible for all of the other inverter functions. Among other things, it
defines how the inverter responds to commands from the higher-level control system.
The commands from the higher-level control are sent to the inverter via digital inputs or the
fieldbus. The inverter returns its status signals to the outputs of the Control Unit or to the
fieldbus.
You must define a setpoint that defines the motor speed, for example.
The setpoint processing uses a ramp-function generator to prevent speed steps occurring
and to limit the speed to a permissible maximum value.
The motor closed-loop control ensures that the motor follows the speed setpoint. You can
select either vector control or V/f control.
Converter with CU250S-2 Control Unit
Operating Instructions, 01/2016, FW V4.7 SP6, A5E31759476B AE
Inverter control (Page 149)
Adapt the default setting of the terminal strip (Page 151)
Connecting the inverter to the fieldbus (Page 108)
Setpoints (Page 205)
Setpoint calculation (Page 215)
Motor control (Page 225)
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