u L6: Torque DetectionNo.(Addr.Hex) Name LCD Display Description Values PageL6-01(4A1)Torque DetectionSelection 1Torq Det 1 Sel0: Disabled1: OL Alm at SpdAgr2: OL Alm dur RUN3: OL Flt at SpdAgr4: OL Flt dur RUN5: UL Alm at SpdAgr6: UL Alm dur RUN7: UL Flt at SpdAgr8: UL Flt dur RUN9: UL6Alm at SpdAgr10: UL6Alm dur RUN11: UL6Flt at SpdAgr12: UL6Flt dur RUN0: Disabled1: oL3 detection only active during speed agree, operationcontinues after detection2: oL3 detection always active during run, operation continuesafter detection3: oL3 detection only active during speed agree, output shutsdown on an oL3 fault4: oL3 detection always active during run, output shuts downon an oL3 fault5: UL3 detection only active during speed agree, operationcontinues after detection6: UL3 detection always active during run, operation continuesafter detection7: UL3 detection only active during speed agree, output shutsdown on an oL3 fault8: UL3 detection always active during run, output shuts downon an oL3 fault9: UL6 at speed agree (alarm)10: UL6 at run (alarm)11: UL6 at speed agree (fault)12: UL6 at run (fault)Default: 0Range: 0 to 12 115L6-02(4A2)Torque Detection Level1 Torq Det 1 Lvl Sets the overtorque and undertorque detection level. Default: 15%Min.: 0Max.: 300 115L6-03(4A3)Torque Detection Time1 Torq Det 1 Time Sets the time an overtorque or undertorque condition must existto trigger torque detection 1. Default: 10.0 sMin.: 0.0Max.: 10.0 116L6-13(62E)Motor UnderloadProtection Selection Underload Select0: Base Freq Enable1: Max Freq EnableSets the motor underload protection (UL6) based on motor load.0: Enabled (Base frequency)1: Enabled (Max frequency)Default: 0Range: 0, 1 116L6-14(62F)Motor UnderloadProtection Level atMinimum Frequency Underload LevelSets the UL6 detection level at minimum frequency bypercentage of drive rated current. Default: 15%Min.: 0Max.: 300 115u L8: Drive ProtectionNo.(Addr.Hex) Name LCD Display Description Values PageL8-01(4AD)Internal DynamicBraking ResistorProtection Selection(ERF type)DB Resistor Prot0: Not Provided1: Provided0: Resistor overheat protection disabled1: Resistor overheat protection enabled Default: 0Range: 0, 1 116L8-02(4AE) Overheat Alarm Level OH Pre-Alarm LvlAn overheat alarm occurs when heatsink temperature exceedsthe L8-02 level. Default: <1>Min.: 50 °CMax.: 150 °C116L8-03(4AF) Overheat Pre-AlarmOperation SelectionOH Pre-Alarm Sel0: Ramp to stop1: Coast to stop2: Fast-Stop3: Alarm only4: Run@L8-19 Rate0: Ramp to stop. A fault is triggered.1: Coast to stop. A fault is triggered.2: Fast Stop. Decelerate to stop using the deceleration time inC1-09. A fault is triggered.3: Continue operation. An alarm is triggered.4: Continue operation at reduced speed as set in L8-19.Default: 4Range: 0 to 4 117L8-05(4B1) Input Phase LossProtection SelectionInp Ph Loss Det0: Disabled1: EnabledSelects the detection of input current phase loss, power supplyvoltage imbalance, or main circuit electrolytic capacitordeterioration.0: Disabled1: EnabledDefault: 1Range: 0, 1 118L8-06(4B2) Input Phase DetectionLevel Inp Ph Loss LvlWhen ripple is observed in the DC bus, expansion of the inputbias is calculated. This value becomes the input phase if thedifference between the maximum and minimum values of theripple is greater than the value set to L8-06.Detection Level = 100% = Voltage class xDefault: <1>Min.: 0.0%Max.: 50.0%118A.10 L: Protection FunctionYASKAWA SIEP YAIZ1U 03B YASKAWA AC Drive – Z1000 Programming Manual 217A Parameter List