6.5. Frequency limits and ramp times .................................................................................................. 117
6.6. Quick stop ...................................................................................................................................... 120
6.7. S-shaped ramps ............................................................................................................................. 122
6.8. Optical device identification .......................................................................................................... 123
7. Motor control ............................................................................................................................. 124
7.1. Motor data ..................................................................................................................................... 125
7.1.1. Manual setting of the motor data ......................................................................................... 125
7.2. Motor control selection ................................................................................................................. 126
7.2.1. V/f characteristic control (VFC) ............................................................................................. 127
7.2.1.1. Linear V/f characteristic ................................................................................................. 128
7.2.1.2. Square-law V/f characteristic ........................................................................................ 130
7.2.1.3. User-definable V/f characteristic ................................................................................... 132
7.2.1.4. V/f characteristic control energy-saving (VFC Eco) ....................................................... 133
7.2.2. Sensorless vector control (SLVC) ........................................................................................... 134
7.2.3. Sensorless control for synchronous motors (SL-PSM) ........................................................... 137
7.2.3.1. Stall monitoring ............................................................................................................. 140
7.3. Optimisation of motor control ...................................................................................................... 141
7.3.1. V/f voltage boost ................................................................................................................... 142
7.3.2. Skip frequencies..................................................................................................................... 143
7.3.3. Optimising the stalling behaviour.......................................................................................... 145
7.3.4. Slip compensation ................................................................................................................. 147
7.3.5. Oscillation damping ............................................................................................................... 149
7.3.6. Synchronous motor: Pole position identification (PPI) ......................................................... 150
7.3.6.1. Pole position identification (PPI) without movement ................................................... 151
7.4. Optimisation of the control loops .................................................................................................. 152
7.4.1. Options for optimized motor tuning ..................................................................................... 155
7.4.1.1. Tu
ning of the motor and the speed controller .............................................................. 156
7.4.1.2. Automatic motor identification (energized) .................................................................. 157
7.4.1.3. Automatic motor calibration (non-energized) ............................................................... 158
7.4.2. Inverter Characteristics .......................................................................................................... 159
7.4.3. Motor equivalent circuit diagram data .................................................................................. 160
7.4.4. Motor controller settings ....................................................................................................... 161
7.4.4.1. Current controller .......................................................................................................... 161
7.4.4.2. Field controller ............................................................................................................... 161
7.4.4.3. Field weakening controller ............................................................................................ 162
7.4.4.4. Field weakening controller (advanced) ......................................................................... 162
7.4.4.5. Imax controller ............................................................................................................... 163