Siemens SINAMICS S120 Function Manual page 223

Hazardous voltage
As soon as the motor starts to rotate, a voltage is generated.
When work is carried out on the converter, the motor must be safely disconnected. If this is
not possible, the motor must be locked by a holding brake, for example.
Do not enter the working area of the motor.
Features
● Field weakening up to approx. 1.2 * rated speed (this depends on the drive converter
● Flying restart (for operation without encoder, only possible with additional VSM)
● Vector closed-loop speed and torque control
● Vector V/f control for diagnostics
● Motor identification
● Automatic rotating encoder adjustment (the zero encoder position is calibrated)
● Speed controller optimization (rotating measurement)
● Thermal protection via temperature sensor (PTC/KTY)
● All encoders that can be connected to an SMC10, SMC20 or SMC30 are supported.
● Operation with or without encoder is possible.
Drive functions
Function Manual, (FH1), 01/2013, 6SL3097-4AB00-0BP3
4.18 Instructions for commissioning permanent-magnet synchronous motors
WARNING
supply voltage and the motor data, also refer to supplementary conditions)
Vector control
221