Siemens SINAMICS S120 Function Manual page 7

5.17 Vdc control ...........................................................................................................................167
5.18 Dynamic Servo Control (DSC) .............................................................................................171
5.19 Travel to fixed stop...............................................................................................................176
5.20 Vertical axes.........................................................................................................................181
5.21 Variable signaling function ...................................................................................................182
5.22 Central probe evaluation ......................................................................................................184
5.22.1 Examples .............................................................................................................................190
5.22.2 Function diagrams and parameters .....................................................................................191
5.23 Voltage precontrol ................................................................................................................193
5.23.1 Function diagrams and parameters .....................................................................................201
6 Vector control ...........................................................................................................................................203
6.1 Technology application (application) (p0500) ......................................................................208
6.2 Vector control without encoder (SLVC)................................................................................209
6.2.1 Three-phase induction motor ...............................................................................................209
6.2.2 Permanent-magnet synchronous motors .............................................................................213
6.2.3 Synchronous reluctance motors...........................................................................................215
6.3 Vector control with encoder..................................................................................................218
6.4 Speed controller ...................................................................................................................219
6.4.1 Speed controller adaptation .................................................................................................221
6.4.2 Speed controller precontrol and reference model ................................................................224
6.5 Droop ...................................................................................................................................228
6.6 Open actual speed value .....................................................................................................230
6.7 Closed-loop torque control ...................................................................................................232
6.8 Torque limiting......................................................................................................................235
6.9 Vdc control ...........................................................................................................................237
6.9.1 Function diagrams and parameters .....................................................................................240
6.10 Current setpoint filter............................................................................................................241
6.11 Speed actual value filter.......................................................................................................242
6.12 Current controller adaptation................................................................................................243
6.13 Motor data identification and rotating measurement ............................................................244
6.13.1 Overview ..............................................................................................................................244
6.13.2 Motor data identification .......................................................................................................245
6.13.3 Rotating measurement.........................................................................................................248
6.13.4 Shortened rotating measurement.........................................................................................250
6.13.5 Overview of important parameters .......................................................................................251
6.14 Pole position identification....................................................................................................253
6.14.1 Operation without an encoder ..............................................................................................253
6.14.2 Operation with encoder ........................................................................................................254
6.14.3 Messages and parameters...................................................................................................256
6.15 Efficiency optimization..........................................................................................................258
6.15.1 Efficiency optimization for induction motors .........................................................................258
Drive functions
Function Manual, 06/2019, 6SL3097-5AB00-0BP2
Table of contents
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