Operating Instructions ACU
15.4.1 Block diagram ......................................................................................................... 154
15.5 Reference percentage channel ....................................................................... 156
15.5.1 Block diagram ......................................................................................................... 157
15.6 Fixed reference values ................................................................................... 159
15.6.1 Fixed frequencies .................................................................................................... 159
15.6.2 JOG frequency ........................................................................................................ 159
15.6.3 Fixed percentages ................................................................................................... 160
15.7 Frequency ramps ............................................................................................ 160
15.8 Percentage Value Ramps ................................................................................ 162
15.9 Blocking frequencies ...................................................................................... 163
15.10 Motor potentiometer ...................................................................................... 164
15.10.1 Motorpoti (MP) ........................................................................................................ 165
15.10.2 Motorpoti (KP) ......................................................................................................... 165
15.10.3 Controlling the Motor via the Control Unit ................................................................. 166
15.11 PWM-/repetition frequency input .................................................................. 166
16 Control inputs and outputs ........................................................................................ 168
16.1 Multifunction input MFI1................................................................................ 168
16.1.1 Analog Input MFI1A ................................................................................................. 168
16.1.1.1 Characteristic .................................................................................................. 168
16.1.1.2 Scaling ............................................................................................................ 170
16.1.1.3 Tolerance Band and Hysteresis ......................................................................... 170
16.1.1.4 Filter time constant .......................................................................................... 171
16.1.1.5 Error and warning behavior .............................................................................. 172
16.2 Multifunction Output MFO1 ............................................................................ 173
16.2.1 Analog Output MFO1A ............................................................................................. 173
16.2.1.1 Output Characteristic ....................................................................................... 174
16.2.2 Frequency Output MFO1F ........................................................................................ 174
16.2.2.1 Scaling ............................................................................................................ 175
16.3 Digital Outputs ............................................................................................... 175
16.3.1 Digital message ....................................................................................................... 178
16.3.2 Setting Frequency ................................................................................................... 179
16.3.3 Reference value reached .......................................................................................... 180
16.3.4 Flux forming finished ............................................................................................... 182
16.3.5 Brake release .......................................................................................................... 182
16.3.6 Current limitation..................................................................................................... 182
16.3.7 External fan ............................................................................................................ 182
16.3.8 Warning mask ......................................................................................................... 183
16.3.9 Warning mask, application ....................................................................................... 186
16.4 Digital Inputs ................................................................................................. 187
16.4.1 Start command ........................................................................................................ 192
16.4.2 3-wire control .......................................................................................................... 192
16.4.3 Error Acknowledgment ............................................................................................. 193
16.4.4 Timer ...................................................................................................................... 193
16.4.5 Thermocontact ........................................................................................................ 193
16.4.6 n-/M control change-over ......................................................................................... 193
16.4.7 Switch data set........................................................................................................ 193
16.4.8 Fixed Value Change-Over ......................................................................................... 194
16.4.9 Motor potentiometer ................................................................................................ 194
16.4.10 Handshake Traverse Function .................................................................................. 195
16.4.11 User Warning .......................................................................................................... 195
16.4.12 External Error .......................................................................................................... 195