328 Parameters90.41 Motor feedbackselectionSelects the motor speed feedback value used duringmotor control.Note: With a permanent magnet motor, make sure anautophasing routine (see page 57) is performed using theselected encoder. If necessary, set parameter 99.13 IDrun requested requested to Autophasing to request afresh autophasing routine.EstimateEstimate A calculated speed estimate generated from the vectorcontrol is used.0Encoder 1 Actual speed measured by encoder 1. The encoder is setup by the parameters in group 92 Encoder 1 configuration.190.42 Motor speed filter time Defines a filter time for motor speed feedback used forcontrol (90.01 Motor speed for control).3 ms0 … 10000 ms Motor speed filter time. 1=190.45 Motor feedback fault Selects how the drive reacts to loss of measured motorfeedback.FaultFault Drive trips on a 7301 Motor speed feedback. or 7381Encoder fault.0Warning Drive generates a A7B0 Motor speed feedback or A7E1Encoder warning and continues operation using estimatedfeedbacks.Note: Before using this setting, test the stability of thespeed control loop with estimated feedback by running thedrive on estimated feedback (see 90.41 Motor feedbackselection).190.46 Force open loop Defines the speed feedback used by the vector motormodel.NoNo The motor model uses the feedback selected by 90.41Motor feedback selection.0Yes The motor model uses the calculated speed estimate(regardless of the setting of 90.41 Motor feedbackselection, which in this case only selects the source of thefeedback for the speed controller).190.47 Enable motor encoderdrift detectionEnables/disables the motor encoder drift detection. Whendrift is detected, fault 7301 Motor speed feedback andAUX code 4 Drift detected are set.YesNo Drift detection is disabled. 0Yes Drift detection is enabled. 19191 Encoder adaptersettingsConfiguration of encoder interface modules.91.10 Encoder parameterrefresh Validates any changed encoder interface moduleparameters. This is needed for any parameter changes ingroups 90…93 to take effect.After refreshing, the value reverts automatically to Done.Notes:• Permanent magnet motors only: The drive will performa fresh autophasing routine (see page 57) at next startif the motor feedback encoder settings have beenchanged.• The parameter cannot be changed while the drive isrunning.DoneNo. Name/Value Description DefaultFbEq 16ACS380 FW.book Page 328 Friday, May 4, 2018 4:18 PMghv Vertriebs-GmbH | Am Schammacher Feld 47 | 85567 Grafing | Telefon + 49 80 92 81 89 0 | info@ghv.de | www.ghv.de
