Siemens SINAMICS S120 Function Manual page 14

Contents
3.7 Current setpoint filters ................................................................................................................. 82
3.8 Note about the electronic motor model ....................................................................................... 87
3.9 V/f control for diagnostics............................................................................................................ 87
3.10 Optimizing the current and speed controller ............................................................................... 90
3.11 Sensorless operation (without an encoder) ................................................................................ 91
3.12 Motor data identification .............................................................................................................. 95
3.12.1 Motor data identification - induction motor .................................................................................. 98
3.12.2 Motor data identification - synchronous motor ............................................................................ 99
3.13 Pole position identification......................................................................................................... 102
3.14 Vdc control ................................................................................................................................ 106
3.15 Dynamic Servo Control (DSC) .................................................................................................. 109
3.16 Travel to fixed stop.................................................................................................................... 112
3.17 Vertical axes.............................................................................................................................. 116
3.18 Variable signaling function ........................................................................................................ 117
4 Vector control ........................................................................................................................................ 119
4.1 Sensorless vector control (SLVC)............................................................................................. 122
4.2 Vector control with encoder....................................................................................................... 126
4.3 Speed controller ........................................................................................................................ 126
4.4 Speed controller adaptation ...................................................................................................... 129
4.5 Speed controller pre-control and reference model ................................................................... 131
4.6 Droop......................................................................................................................................... 135
4.7 Torque control ........................................................................................................................... 137
4.8 Torque limiting........................................................................................................................... 140
4.9 Vdc control ................................................................................................................................ 141
4.10 Current setpoint filter................................................................................................................. 145
4.11 Current controller adaptation..................................................................................................... 145
4.12 Motor data identification and rotating measurement................................................................. 146
4.13 Efficiency optimization............................................................................................................... 153
4.14 Quick magnetization for induction motors................................................................................. 154
4.15 Instructions for commissioning induction motors (ASM)........................................................... 158
4.16 Instructions for commissioning permanent-magnet synchronous motors ................................ 160
4.16.1 Automatic encoder adjustment ................................................................................................. 164
4.16.2 Pole position identification......................................................................................................... 165
4.17 Flying restart ............................................................................................................................. 166
4.18 Synchronization......................................................................................................................... 168
4.19 Use of the Voltage Sensing Module in vector drives ................................................................ 170
4.20 Simulation mode ....................................................................................................................... 172
4.20.1 Description ................................................................................................................................ 172
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Function Manual, (FH1), 10/2008, 6SL3097-2AB00-0BP5
Drive functions