Content
7.6.6 Digital inputs .......................................................................................................... 196
7.6.6.1 List of control signals ........................................................................................ 197
7.6.6.2 Start command ................................................................................................ 200
7.6.6.3 3-Wire Control.................................................................................................. 200
7.6.6.4 Motor potentiometer ......................................................................................... 201
7.6.6.5 Fixed frequency changeover .............................................................................. 201
7.6.6.6 Fixed percentage changeover ............................................................................ 201
7.6.6.7 Jog Start .......................................................................................................... 202
7.6.6.8 Error Acknowledgment ...................................................................................... 202
7.6.6.9 Thermal contact ............................................................................................... 202
7.6.6.10 n-/T-control changeover ................................................................................... 203
7.6.6.11 Dataset changeover .......................................................................................... 203
7.6.6.12 Handshake Traverse ......................................................................................... 204
7.6.6.13 Brake chopper release ...................................................................................... 204
7.6.6.14 User warning ................................................................................................... 204
7.6.6.15 External error ................................................................................................... 205
7.6.6.16 PLC ................................................................................................................. 205
7.6.6.17 Multiplexer/demultiplexer .................................................................................. 205
7.6.7 Input PWM/repetition frequency/pulse train .............................................................. 207
7.6.7.1 PWM input ....................................................................................................... 208
7.6.7.2 Repetition frequency input ................................................................................ 209
7.6.7.3 Pulse train ....................................................................................................... 209
7.6.7.4 Further setting options ...................................................................................... 211
7.7 V/f characteristic .................................................................................................... 211
7.8 Linear V/f characteristic ......................................................................................... 211
7.8.1 Dynamic voltage pre-control .................................................................................... 213
7.9 Control functions .................................................................................................... 213
7.9.1 Intelligent current limits ........................................................................................... 213
7.9.2 Voltage controller .................................................................................................... 215
7.9.3 PID controller (technology controller) ....................................................................... 220
7.9.4 Functions of sensorless control ................................................................................. 227
7.9.4.1 Slip compensation ............................................................................................ 227
7.9.4.2 Current limit value controller ............................................................................. 228
7.9.5 Functions of field-orientated control .......................................................................... 229
7.9.5.1 Current controller ............................................................................................. 229
7.9.5.2 Torque controller .............................................................................................. 231
7.9.5.3 Speed controller ............................................................................................... 233
7.9.5.4 Acceleration pre-control .................................................................................... 236
7.9.5.5 Field controller ................................................................................................. 237
7.9.5.6 Modulation controller ........................................................................................ 238
7.9.6 Real-time tuning (optimizing motor parameters in operation) ...................................... 239
7.10 Special functions .................................................................................................. 240
7.10.1 Pulse width modulation ........................................................................................... 240
7.10.2 Fan ........................................................................................................................ 241
7.10.3 Standby mode and energy saving function ................................................................ 241
7.10.4 Brake chopper and brake resistor ............................................................................. 242
7.10.4.1 Dimensioning of brake resistor .......................................................................... 243
7.10.5 Motor chopper ........................................................................................................ 244
7.10.6 Motor Protection ..................................................................................................... 245
7.10.6.1 Motor protection by Motor Circuit Breaker ........................................................... 245
7.10.6.2 Motor Protection by I
2
t- monitoring .................................................................... 248
7.10.7 V-belt monitoring .................................................................................................... 250
7.10.8 Traverse function .................................................................................................... 250
7.10.9 System data ........................................................................................................... 253
7.10.10 Service interval monitoring ................................................................................... 253
7.10.11 Copy parameters ................................................................................................. 253
7.10.11.1 Copying using the operator panel ...................................................................... 254
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