Efficient Networks Siemens Sinamics S120 User Manual
Page 14

Contents
Drive Functions
14
Function Manual, (FH1), 07/2007 Edition, 6SL3097-2AB00-0BP4
3.4
Torque-controlled operation........................................................................................................ 69
3.5
Torque setpoint limitation............................................................................................................ 71
3.6
Current controller ........................................................................................................................ 75
3.7
Current setpoint filter................................................................................................................... 78
3.8
Note about the electronic motor model....................................................................................... 84
3.9
V/f control for diagnostics............................................................................................................ 84
3.10
Optimizing the current and speed controller ............................................................................... 87
3.11
Sensorless operation (without an encoder) ................................................................................ 88
3.12
Motor data identification.............................................................................................................. 92
3.12.1 Motor data identification - induction motor.................................................................................. 94
3.12.2 Motor data identification - synchronous motor............................................................................ 96
3.13
Pole position identification........................................................................................................... 98
3.14
Vdc control ................................................................................................................................ 102
3.15
Dynamic Servo Control (DSC) .................................................................................................. 106
3.16
Travel to fixed stop.................................................................................................................... 109
3.17
Vertical axes.............................................................................................................................. 113
4
Vector control ........................................................................................................................................ 115
4.1
Sensorless vector control (SLVC)............................................................................................. 115
4.2
Vector control with encoder....................................................................................................... 118
4.3
Speed controller ........................................................................................................................ 119
4.4
Speed controller adaptation ...................................................................................................... 121
4.5
Speed controller pre-control and reference model ................................................................... 124
4.6
Droop......................................................................................................................................... 127
4.7
Torque control ........................................................................................................................... 129
4.8
Torque limiting........................................................................................................................... 132
4.9
Vdc control ................................................................................................................................ 133
4.10
Current setpoint filter................................................................................................................. 137
4.11
Current controller adaptation..................................................................................................... 137
4.12
Motor data identification and rotating measurement................................................................. 138
4.13
Efficiency optimization............................................................................................................... 145
4.14
Instructions for commissioning induction motors (ASM)........................................................... 146
4.15
Instructions for commissioning permanent-magnet synchronous motors ................................ 148
4.15.1 Automatic encoder adjustment ................................................................................................. 152
4.15.2 Pole position identification......................................................................................................... 153
4.16
Flying restart ............................................................................................................................. 154
4.17
Synchronization......................................................................................................................... 156
4.18
Simulation operation ................................................................................................................. 157
4.18.1 Description ................................................................................................................................ 157