Operating Instructions ACTIVE 06/076
6 Operating Instructions ACTIVE 06/07
14.3.3 Flux Formation Ended....................................................................................... 137
14.3.4 Open brake ..................................................................................................... 137
14.3.5 Current Limitation ............................................................................................ 137
14.3.6 External Fan .................................................................................................... 137
14.3.7 Warning Mask.................................................................................................. 138
14.4 Digital Inputs ............................................................................................. 140
14.4.1 Start command ................................................................................................ 143
14.4.2 3-Wire-Control ................................................................................................. 143
14.4.3 Error Acknowledgment ..................................................................................... 144
14.4.4 Timer.............................................................................................................. 144
14.4.5 Thermo-contact ............................................................................................... 144
14.4.6 n-/M-Control Change-Over ................................................................................ 144
14.4.7 Data Set Change-Over...................................................................................... 145
14.4.8 Fixed Value Change-Over.................................................................................. 146
14.4.9 Motor Potentiometer......................................................................................... 147
14.5 Function Modules....................................................................................... 147
14.5.1 Timer.............................................................................................................. 147
14.5.1.1 Time Constant ................................................................................................. 148
14.5.2 Comparator ..................................................................................................... 150
14.5.3 Logic Modules.................................................................................................. 151
15 V/f - Characteristic..................................................................................................... 156
15.1 Dynamic Voltage Pre-Control .................................................................... 157
16 Control Functions ....................................................................................................... 158
16.1 Intelligent current limits ........................................................................... 158
16.2 Voltage controller ...................................................................................... 159
16.3 Technology Controller................................................................................ 163
16.4 Functions of Sensorless Control ................................................................ 171
16.4.1 Slip compensation ............................................................................................ 171
16.4.2 Current limit value controller ............................................................................. 171
16.5 Functions of Field-Orientated Control ....................................................... 172
16.5.1 Current Controller ............................................................................................ 172
16.5.2 Torque Controller ............................................................................................. 174
16.5.2.1 Limit Value Sources.......................................................................................... 174
16.5.3 Speed controller............................................................................................... 175
16.5.3.1 Limitation of Speed Controller ........................................................................... 177
16.5.3.2 Limit Value Sources.......................................................................................... 178
16.5.4 Acceleration Pre-Control ................................................................................... 178
16.5.5 Field Controller ................................................................................................ 179
16.5.5.1 Limitation of field controller............................................................................... 180
16.5.6 Modulation Controller ....................................................................................... 180
16.5.6.1 Limitation of Modulation Controller .................................................................... 181
17 Special Functions ....................................................................................................... 182
17.1 Pulse Width Modulation............................................................................. 182
17.2 Fan ............................................................................................................. 183
17.3 Bus controller............................................................................................. 183
17.4 Brake Chopper and Brake Resistance........................................................ 185
17.4.1 Dimensioning of Brake Resistor ......................................................................... 186
17.5 Motor Circuit Breaker................................................................................. 187
17.6 V-belt Monitoring....................................................................................... 188