Siemens Sinamics S120 Function Manual page 14

Contents
3.7 Current setpoint filters ................................................................................................................. 85
3.8 Note about the electronic motor model ....................................................................................... 91
3.9 V/f control .................................................................................................................................... 91
3.10 Optimizing the current and speed controller ............................................................................... 95
3.11 Sensorless operation (without an encoder) ................................................................................ 97
3.12 Motor data identification ............................................................................................................ 101
3.12.1 Motor data identification induction motor .................................................................................. 104
3.12.2 Motor data identification synchronous motor ............................................................................ 106
3.13 Pole position identification......................................................................................................... 108
3.14 Vdc control ................................................................................................................................ 114
3.15 Dynamic Servo Control (DSC) .................................................................................................. 118
3.16 Travel to fixed stop.................................................................................................................... 122
3.17 Vertical axes.............................................................................................................................. 126
3.18 Variable signaling function ........................................................................................................ 127
3.19 Central probe evaluation ........................................................................................................... 129
3.19.1 Central probe evaluation examples .......................................................................................... 134
4 Vector control ........................................................................................................................................ 139
4.1 Sensorless vector control (SLVC)............................................................................................. 142
4.2 Vector control with encoder....................................................................................................... 150
4.3 Speed controller ........................................................................................................................ 150
4.4 Speed controller adaptation ...................................................................................................... 153
4.5
Speed controller pre-control and reference model ................................................................... 156
4.6 Droop......................................................................................................................................... 160
4.7 Open actual speed value .......................................................................................................... 161
4.8 Torque control ........................................................................................................................... 163
4.9 Torque limiting........................................................................................................................... 165
4.10 Vdc control ................................................................................................................................ 167
4.11 Current setpoint filter................................................................................................................. 171
4.12 Speed actual value filter............................................................................................................ 172
4.13 Current controller adaptation..................................................................................................... 173
4.14 Motor data identification and rotating measurement................................................................. 174
4.15 Efficiency optimization............................................................................................................... 181
4.16 Quick magnetization for induction motors................................................................................. 182
4.17 Instructions for commissioning induction motors (ASM)........................................................... 185
4.18 Instructions for commissioning permanent-magnet synchronous motors ................................ 188
4.18.1 Encoder adjustment in operation .............................................................................................. 191
4.18.2 Automatic encoder adjustment ................................................................................................. 193
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Function Manual, (FH1), 01/2012, 6SL3097-4AB00-0BP2
Drive functions