PowerFlex 750-Series AC Drives User Manual

Programming and Parameters 3-79FileGroupValuesRead-WriteData TypeNameNo. Description685 Selected Trq RefSelected Torque ReferenceDisplays the torque value of the selected torque reference (dynamic selectionaccording to P313 [Actv SpTqPs Mode]). This value will be summed with P686[Torque Step]. The result is then applied to the input of the notch filter located inthe Vector torque reference section.686 Torque StepTorque StepDefines the amount of torque reference step change to simulate a loaddisturbance, used to test the response. This value is added to the main torquereference P685 [Selected Torq Ref], and then applied to the input of the notchfilter located in the Vector control torque reference section.687 Notch Fltr FreqNotch Filter FrequencyThe center frequency for the Notch filter located in the Vector control torquereference section. To disable, set to zero (0).688 Notch Fltr AttenNotch Filter AttenuationSets the attenuation of the notch filter located in the Vector control torquereference section. Attenuation is the ratio of the notch filter input signal to itsoutput at the P687 [Notch Fltr Freq]. An attenuation of 30 means that the notchoutput is 1/30th of the input at the specified frequency.Units: %Default: 0.00Min/Max: –/+800.00RO RealUnits: %Default: 0.00Min/Max: –/+800.00RW RealUnits: HzDefault: 0.00Min/Max: 0.00 / 500.00RW RealTORQUE CONTROLTorque ReferenceAttenuationDefault: 50.000Min/Max: 0.000 / 500.000RW RealFreq (Hz)689 Filtered Trq RefFiltered Torque ReferenceDisplays the output of the notch filter defined by P687 and P688. If P704 [InAdpLdObs Mode] indicates that either the Inertia Adaption or Load Estimatefunctions are active, then the filtered torque reference will also be modified bythese functions.690 Limited Trq RefLimited Torque ReferenceDisplays the torque reference value after filtering (P689), power limits, torquelimits, and current limits have been applied.Motor power limits are set by P426 [Regen Power Lmt] and P427 [Motor PowerLmt]. Motor torque limits are set by P670 [Pos Torque Limit] and P671 [NegTorque Limit]. Motor current limit is set by P422 [Current Limit 1] or P423 [CurrentLimit 2].Units: %Default: 0.00Min/Max: –/+800.00Units: %Default: 0.00Min/Max: –/+800.00RORORealRealPowerFlex 750-Series User Manual – Publication 750-UM001C-EN-P – September 2009