Siemens SINAMICS G220 - Page 14

14.10.5.8 Settings for a pulling load ................................................................................................ 516
14.10.5.9 Encoderless speed control of a synchronous reluctance motor from standstill ................... 517
14.10.6 Current setpoint 󹪝lter....................................................................................................... 548
14.10.7 Torque control ................................................................................................................. 554
14.10.8 Checking the encoder signal ............................................................................................ 556
14.10.9 Moment of inertia estimator ............................................................................................ 557
14.10.10 E󹪟ciency optimization as a function of the motor operating point.................................... 560
14.11 Drive functions ................................................................................................................ 563
14.11.1 Starting and stopping the motor....................................................................................... 563
14.11.1.1 Sequence control when switching the motor on and o󹪜.................................................... 563
14.11.1.2 Motor control with ON/reverse commands........................................................................ 570
14.11.1.3 Motor control with clockwise/counterclockwise commands............................................... 571
14.11.1.4 Motor control with 3 commands ...................................................................................... 574
14.11.2 Setting of device supply voltage ....................................................................................... 577
14.11.3 Units................................................................................................................................ 577
14.11.3.1 Unit group and unit selection ........................................................................................... 577
14.11.3.2 Reference values.............................................................................................................. 578
14.11.4 Motor standard................................................................................................................ 579
14.11.5 Data sets.......................................................................................................................... 580
14.11.5.1 Switching between di󹪜erent drive con󹪝gurations ............................................................. 580
14.11.5.2 Switching between drive controls..................................................................................... 585
14.11.6 Line contactor control...................................................................................................... 588
14.11.7 DC braking....................................................................................................................... 590
14.11.8 Armature short-circuit braking ......................................................................................... 596
14.11.9 Compound braking .......................................................................................................... 601
14.11.10 Dynamic braking.............................................................................................................. 603
14.11.11 Motor holding brake ........................................................................................................ 605
14.11.12 Automatic restart............................................................................................................. 610
14.11.13 Flying restart - switching on while motor is running.......................................................... 612
14.11.14 Friction characteristic....................................................................................................... 613
14.11.15 Recording a friction characteristic..................................................................................... 614
14.11.16 Messages/Monitoring functions........................................................................................ 617
14.11.16.1 Stall message................................................................................................................... 617
14.11.16.2 Blocking message ............................................................................................................ 617
14.11.16.3 Speed deviation monitoring ............................................................................................. 618
14.11.16.4 Load monitoring for torque .............................................................................................. 620
14.11.16.5 Load monitoring failure detection .................................................................................... 621
14.11.16.6 No-load monitoring ......................................................................................................... 622
14.11.16.7 Converter protection by means of temperature monitoring............................................... 622
14.11.16.8 Motor protection with temperature sensor KTY84............................................................. 627
14.11.16.9 Motor protection with temperature sensor Pt100.............................................................. 628
14.11.16.10 Motor protection with temperature sensor Pt1000............................................................ 629
14.11.16.11 Motor protection with temperature switch ....................................................................... 630
14.11.16.12 Motor protection with temperature sensor PTC ................................................................. 630
14.11.16.13 Motor protection for synchronous motors by means of temperature calculation, Model 1... 631
14.11.16.14 Motor protection for induction motors by means of temperature calculation, Model 2....... 633
14.11.16.15 Motor protection for synchronous motors by means of temperature calculation, Model 3... 636
14.11.16.16 Setting motor overload protection according to UL 61800-5-1 .......................................... 638
14.12 Safety Integrated ............................................................................................................. 654
14.12.1 Safety Integrated Functions.............................................................................................. 656
14.12.2 PFH values....................................................................................................................... 657
Table of contents
SINAMICS G220 converter
12 Operating Instructions, 04/2024, FW V6.2, A5E51781573B AB