No.(Addr.Hex) Name LCD Display Description Values PageL3-26(455) Additional DC BusCapacitors ExtDC busCapSize When DC bus capacitors have been added externally, be sureto add those values to the internal capacitor table for proper DCbus calculations.Default: 0 μFMin: 0Max: 65000 –L3-27(456) Stall PreventionDetection Time Stl Prev DetTime Sets the time the current must exceed the Stall Prevention levelto activate Stall Prevention. Default: 50 msMin.: 0Max.: 5000 –<1> Upper limit is dependent on parameter L8-38, Frequency Reduction Selection.<2> The setting range is 0 to 2 in OLV/PM control mode.<3> Default setting is dependent on parameter E1-01, Input voltage Setting.<4> Values shown are specific to 200 V class drives. Double the value for 400 V class drives.<5> Default setting is determined by parameter A1-02, Control Mode Setting.<6> Parameter value changes automatically if E2-11 is manually changed or changed by Auto-Tuning.<7> Default setting is dependent on parameter o2-04, Drive Model Selection.u L4: Speed DetectionNo.(Addr.Hex) Name LCD Display Description Values PageL4-01(499) Speed AgreementDetection Level Spd Agree Level L4-01 sets the frequency detection level for digital outputfunctions H2-oo = 2, 3, 4, 5.Default: 0.0 HzMin.: 0.0Max.: 240.0 –L4-02(49A) Speed AgreementDetection Width Spd Agree Width L4-02 sets the hysteresis or allowable margin for speeddetection. Default: 2.0 HzMin.: 0.0Max.: 20.0 –L4-03(49B) Speed AgreementDetection Level (+/-) Spd Agree Lvl+- L4-03 sets the frequency detection level for digital outputfunctions H2-oo = 13, 14, 15, 16.Default: 0.0 HzMin.: -240.0Max.: 240.0 –L4-04(49C)Speed AgreementDetection Width(+/-) Spd Agree Wdth+- L4-04 sets the hysteresis or allowable margin for speeddetection. Default: 2.0 kHzMin.: 0.0Max.: 20.0 –L4-05(49D)Frequency ReferenceLoss DetectionSelectionRef Loss Sel0: Stop1: Run@L4-06PrevRef0: Stop. Drive stops when the frequency reference is lost.1: Run. Drive runs at a reduced speed when the frequencyreference is lost.Default: 1Range: 0, 1 138L4-06(4C2) Frequency Referenceat Reference Loss Fref at Floss Sets the percentage of the frequency reference that the driveshould run with when the frequency reference is lost. Default: 80.0%Min.: 0.0Max.: 100.0 139L4-07(470) Speed AgreementDetection SelectionFreq Detect Sel0: No Detection @BB1: Always Detected0: No detection during baseblock.1: Detection always enabled. Default: 0Range: 0, 1 –u L5: Fault RestartNo.(Addr.Hex) Name LCD Display Description Values PageL5-01(49E) Number of Auto RestartAttempts Num of Restarts Sets the number of times the drive may attempt to restart afterthe following faults occur: GF, LF, oC, ov, PF, oL1, oL2, oL3,STo, Uv1.Default: 0Min.: 0Max.: 10 140L5-02(49F)Auto Restart FaultOutput OperationSelectionRestart Sel0: Flt Outp Disabld1: Flt Outp Enabled0: Fault output not active.1: Fault output active during restart attempt. Default: 0Range: 0, 1 181L5-03(4A0) Time to ContinueMaking Fault Restarts Max Restart Time Enabled only when L5-05 is set to 0. Causes a fault if a faultrestart cannot occur after the set time passes.Default: 180.0 sMin.: 0.0Max.: 600.0 140L5-04(46C) Fault Reset IntervalTime Flt Reset Wait T Sets the amount of time to wait between performing faultrestarts. Default: 10.0 sMin.: 0.5Max.: 600.0 181B.8 L: Protection FunctionYASKAWA ELECTRIC TOEP C710616 45F YASKAWA AC Drive – Z1000 User Manual 315B Parameter List