Emotron FDU 2.0 AC drive

Enable and Stop functionsBoth functions can be used separately or simultaneously.The choice of which function is to be used depends on theapplication and the control mode of the inputs (Level/Edge[21A]).NOTE: In Edge mode, at least one digital input must beprogrammed to “stop”, because the Run commands areotherwise only able to start the AC drive.EnableInput must be active (HI) to allow any Run signal. If theinput is made LOW, the output of the AC drive isimmediately disabled and the motor will coast.!CAUTION!If the Enable function is not programmed to adigital input, it is considered to be activeinternally.Reset and Autoreset operationIf the AC drive is in Stop Mode due to a trip condition, theAC drive can be remotely reset by a pulse (“low” to “high”transition) on the Reset input, default on DigIn 8.Depending on the selected control method, a restart takesplace as follows:Level-controlIf the Run inputs remain in their position the AC drive willstart immediately after the Reset command is given.Edge-controlAfter the Reset command is given a new Run commandmust be applied to start the AC drive again.Autoreset is enabled if the Reset input is continuously active.The Autoreset functions are programmed in menu Autoreset[250].NOTE: If the control commands are programmed forKeyboard control or Com, Autoreset is not possible.StopIf the input is low then the AC drive will stop according tothe selected stop mode set in menu [33B] Stop Mode. Fig.42 shows the function of the Enable and the Stop input andthe Stop Mode=Decel [33B].To run the input must be high.NOTE: Stop Mode=Coast [33B] will give the samebehaviour as the Enable input.STOP(STOP=DECEL)OUTPUTSPEEDtENABLEOUTPUTSPEED(06-F104_NG)(or if Spinstart is selected)tFig. 42 Functionality of the Stop and Enable input38 Main Features Emotron AB 01-4428-01r3