No.(AddrHex.) Name Description Values Pageb3-08(198)Current Control Gain duringSpeed Search (SpeedEstimation Type)Srch ACR P GainSets the proportional gain for the current controller during Speed Search. Default: <1>Min.: 0.00Max.: 6.00126b3-09(199)Current Control IntegralTime during Speed Search(Speed Estimation Type)Srch ACR I TimeSets the Integral Time for the current controller during Speed Search. Default: 2.0 msMin.: 0.0Max.: 1000.0 126b3-10(19A)Speed Search DetectionCompensation GainSrch Detect CompSets the gain which is applied to the speed detected by Speed Estimation SpeedSearch before the motor is reaccelerated. Increase this setting if ov occurswhen performing Speed Search after a relatively long period of baseblock.Default: 1.05Min.: 1.00Max.: 1.20 126b3-11(19B)Speed Search MethodSwitching Level (SpeedEstimation Type)Srch Mthd Sw LvlUses the amount of voltage remaining in the motor to automatically switchthe search method within the type of speed measurement.(208 Vac at 100% = 208 V, and 480 Vac at 100% = 480 V)Default: 5.0%Min.: 0.5Max.: 100.0 126b3-12(19C)Minimum Current DetectionLevel during Speed SearchSrch I DeadbandSets the minimum current detection level during Speed Search. Increase thissetting value in increments of 0.1 if the drive fails to perform Speed Estimation. Default: <1>Min.: 2.0Max.: 10.0126b3-14(19E)Bi-Directional Speed SearchSelectionBidir Search Sel0: Disabled 0: Disabled (uses the direction of the frequency reference)1: Enabled 1: Enabled (drive detects which way the motor is rotating) Default: 1Range: 0, 1 126b3-17(1F0)Speed Search RestartCurrent LevelSrchRestart LvlSets the Speed Search restart current level as a percentage of the drive ratedcurrent. Default: 110%Min.: 0Max.: 200 127b3-18(1F1)Speed Search RestartDetection TimeSrchRestart TimeSets the time to detect Speed Search restart. Default: 0.10 sMin.: 0.00Max.: 1.00 127b3-19(1F2)Number of Speed SearchRestartsNum of SrchRestrSets the number of times the drive can attempt to restart when performingSpeed Search. Default: 3Min.: 0Max.: 10 127b3-24(1C0)Speed Search MethodSelectionSpdSrch Method0: Current Detection 0: CurrentDetection1: Speed Estimation 1: Speed EstimationDefault: 0Range: 0, 1 127b3-25(1C8)Speed Search Wait TimeSpdSrch WaitTimeSets the time the drive must wait between each Speed Search restart attempt. Default: 0.5 sMin.: 0.0Max.: 30.0 127b3-27(1C9)Start Speed Search SelectStart srch selSelects a condition to activate Speed Search Selection at Start (b3-01) orExternal Speed Search Command 1 or 2 from the multi-function input.0: Triggered when a Run command is issued. 0: start from 0 (normal).1: Triggered when an external baseblock is released. 1: Start Fref>FminDefault: 0Range: 0, 1 127<1> Default setting is dependent on parameter o2-04, Drive Model Selection.u b5: PI ControlNo.(Addr.Hex) Name Description Values Pageb5-01(1A5)PI Function SettingPI Mode0: Disabled 0: Disabled1: Enabled 1: Enabled D=Fdbk (PI output becomes output frequency reference)3: Enabled 3: Fref+PID D=Fdbk (PI output added to frequency reference)Default: 0Range: 0, 1, 3 131b5-02(1A6) Proportional Gain Setting(P)PI GainSets the proportional gain of the PI controller. Default: 2.00Min.: 0.00Max.: 25.00 131b5-03(1A7) Integral Time Setting (I)PI I TimeSets the integral time for the PI controller. Default: 0.5 sMin.: 0.0Max.: 360.0 131b5-04(1A8) Integral Limit SettingPI I LimitSets the maximum output possible from the integrator as a percentage of themaximum output frequency. Default: 100.0%Min.: 0.0Max.: 100.0 131B.3 b: ApplicationYASKAWA ELECTRIC SIEP YAIZ1B 01E YASKAWA AC Drive – Z1000 Bypass Technical Manual 315B Parameter List