Siemens SINAMICS S120 Function Manual page 11
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4.14
Pole position identification .................................................................................................... 158
4.14.1
Notes regarding pole position identification .......................................................................... 159
4.14.2
Pole position identification technique .................................................................................... 161
4.14.3
Commutation angle offset commissioning support (p1990) ................................................. 163
4.14.4
Overview of important parameters (see SINAMICS S120/S150 List Manual) ..................... 163
4.15
Vdc control ............................................................................................................................ 165
4.16
Dynamic Servo Control (DSC) .............................................................................................. 169
4.17
Travel to fixed stop ................................................................................................................ 174
4.18
Vertical axes ......................................................................................................................... 179
4.19
Variable signaling function .................................................................................................... 180
4.20
Central probe evaluation ....................................................................................................... 182
4.20.1
Examples .............................................................................................................................. 188
4.20.2
Function diagrams and parameters ...................................................................................... 191
4.21
Voltage precontrol ................................................................................................................. 192
4.21.1
Configuring the voltage precontrol ........................................................................................ 192
4.21.2
Function diagrams and parameters ...................................................................................... 201
5
Vector control ...................................................................................................................................... 203
5.1
Technological application ..................................................................................................... 208
5.2
Vector control without encoder (SLVC) ................................................................................ 209
5.2.1
Three-phase induction motor ................................................................................................ 209
5.2.2
Torque setpoint setting ......................................................................................................... 210
5.2.3
Passive loads ........................................................................................................................ 212
5.2.4
Blocking drives ...................................................................................................................... 213
5.2.5
Active loads ........................................................................................................................... 213
5.2.6
Permanent-magnet synchronous motors.............................................................................. 214
5.2.7
Synchronous reluctance motors ........................................................................................... 214
5.2.7.1
Overview ............................................................................................................................... 214
5.2.7.2
Closed-loop controlled operation down to f = 0 Hz with test signal ...................................... 215
5.2.8
Extended method: Closed-loop controlled operation down to 0 Hz ..................................... 216
5.3
Vector control with encoder .................................................................................................. 219
5.4
Speed controller .................................................................................................................... 220
5.4.1
Speed controller .................................................................................................................... 220
5.4.2
Speed controller adaptation .................................................................................................. 223
5.4.3
Speed controller precontrol and reference model ................................................................ 226
5.5
Droop .................................................................................................................................... 230
5.6
Open actual speed value ...................................................................................................... 232
5.7
Closed-loop torque control .................................................................................................... 234
5.8
Torque limiting ...................................................................................................................... 237
5.9
Vdc control ............................................................................................................................ 239
5.10
Current setpoint filter............................................................................................................. 244
5.11
Speed actual value filter ....................................................................................................... 246
5.12
Current controller adaptation ................................................................................................ 247
Drive functions
Function Manual, 11/2017, 6SL3097-4AB00-0BP5
Contents
11
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- Fault and Alarm Displays
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