Siemens SINAMICS G120 Operating Instructions Manual page 11

6.21.2.3 Optimizing the motor startup for application class Standard Drive Control..........................296
6.21.3 Vector control.......................................................................................................................298
6.21.3.1 Structure of the vector control..............................................................................................298
6.21.3.2 Default setting as a result of the application class Dynamic Drive Control..........................300
6.21.3.3 Checking the encoder signal................................................................................................300
6.21.3.4 Optimizing the speed controller............................................................................................300
6.21.3.5 Advanced settings................................................................................................................303
6.21.3.6 Friction characteristic...........................................................................................................306
6.21.3.7 Moment of inertia estimator..................................................................................................308
6.21.4 Torque control......................................................................................................................314
6.21.5 Application examples for closed-loop motor control.............................................................315
6.22 Electrically braking the motor...............................................................................................316
6.22.1 DC braking...........................................................................................................................318
6.22.2 Compound braking...............................................................................................................321
6.22.3 Dynamic braking..................................................................................................................323
6.22.4 Braking with regenerative feedback to the line....................................................................325
6.23 Overcurrent protection.........................................................................................................326
6.24 Inverter protection using temperature monitoring................................................................327
6.25 Motor protection with temperature sensor............................................................................330
6.26 Motor protection by calculating the temperature..................................................................333
6.27 Motor and inverter protection by limiting the voltage............................................................335
6.28 Monitoring the driven load....................................................................................................337
6.28.1 Breakdown protection..........................................................................................................338
6.28.2 No-load monitoring...............................................................................................................338
6.28.3 Blocking protection...............................................................................................................339
6.28.4 Torque monitoring................................................................................................................340
6.28.5 Rotation monitoring..............................................................................................................341
6.28.6 Speed deviation monitoring..................................................................................................342
6.29 Flying restart - switching on while the motor is running.......................................................344
6.30 Automatic restart..................................................................................................................346
6.31 Kinetic buffering (Vdc min control).......................................................................................350
6.32 Efficiency optimization..........................................................................................................352
6.33 Line contactor control...........................................................................................................355
6.34 Calculating the energy saving for fluid flow machines.........................................................357
6.35 Switchover between different settings..................................................................................359
7 Saving the settings and series commissioning.........................................................................................361
7.1 Saving settings on a memory card.......................................................................................362
7.1.1 Memory cards......................................................................................................................362
7.1.2 Saving setting on memory card............................................................................................365
7.1.3 Transferring the setting from the memory card....................................................................368
7.1.4 Safely remove the memory card..........................................................................................370
7.1.5 Activate message for a memory card that is not inserted....................................................372
7.2 Saving settings on a PC.......................................................................................................373
Converter with the CU250S-2 Control Units
Operating Instructions, 04/2018, FW V4.7 SP10, A5E31759476B AG
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