Siemens SINAMICS G120C Operating Instructions Manual page 151
Low voltage converters
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Also See for SINAMICS G120C:
- Operating instructions manual (470 pages) ,
- Compact operating instructions (92 pages) ,
- Getting started (68 pages)
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Motor identification:
• [1]: Recommended setting. Measure the motor data at standstill and with the motor rotating.
The converter switches off the motor after the motor data identification has been completed.
• [2]: Measure the motor data at standstill. The converter switches off the motor after the
motor data identification has been completed.
Recommended setting for the following cases:
– You have selected "Speed control" as control mode, however the motor cannot freely
– You have set "U/f control" as control mode.
• [3]: Measure the motor data while the motor is rotating. The converter switches off the motor
after the motor data identification has been completed.
• [11]: The same setting as [1]. The motor accelerates to the currently set setpoint after the
motor data identification.
• [12]: The same setting as [2]. The motor accelerates to the currently set setpoint after the
motor data identification.
Calculating the motor parameters: Select "Complete calculation".
Set the check mark for "RAM data to EEPROM (save data in the drive)" to save your data in the
converter so that it is not lost if the power fails.
Select "Finish".
You have entered all of the data that is necessary for the quick commissioning of the
converter.
❒
Select a suitable control mode
Control mode
Motors that can
be operated
Application exam‐
•
ples
•
•
•
•
SINAMICS G120C Converters
Operating Instructions, 02/2023, FW V4.7 SP14, A5E34263257B AK
rotate, e.g. for mechanically limited traversing sections.
U/f control or flux current control (FCC)
Induction motors
Pumps, fans, and compressors with flow char‐
acteristic
Wet or dry blasting technology
Mills, mixers, kneaders, crushers, agitators
Horizontal conveyor technology (conveyor
belts, roller conveyors, chain conveyors)
Basic spindles
5.5 Quick commissioning with a PC.
Encoderless vector control
Induction and synchronous motors
•
Pumps and compressors with displacement ma‐
chines
•
Rotary furnaces
•
Extruder
•
Centrifuges
Commissioning
149
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