No.(Addr.Hex) Name LCD Display Description Values Pageb2-12(1BA) Short Circuit BrakeTime at Start SC Brake T@Start OLV/PMOLV/PMSets the time for Short Circuit Braking operation at start.Default: 0.00 sMin.: 0.00Max.: 25.50 –b2-13(1BB) Short Circuit BrakeTime at Stop SC Brake T@Stop OLV/PMOLV/PMSets the Short Circuit Braking operation time at stop.Default: 0.50 sMin.: 0.00Max.: 25.50 –b2-18(177) Short Circuit BrakingCurrent Shrt Cir BrkOLV/PMOLV/PMDetermines the current level for Short Circuit Braking. Set as apercentage of the motor rated current.Default: 100.0%Min.: 0.0Max.: 200.0 –<1> Default setting is determined by parameter A1-02, Control Method Selection.u b3: Speed SearchNo.(AddrHex.) Name LCD Display Description Values Pageb3-01(191) Speed Search Selectionat StartSpdSrch at Start0: Disabled1: Enabled0: Disabled1: Enabled Default: <1>Range: 0, 1 154b3-02(192) Speed SearchDeactivation Current SpdSrch DeactCurSets the current level at which the speed is assumed to bedetected and Speed Search is ended. Set as a percentage of thedrive rated current.Default: <1>Min.: 0%Max.: 200%154b3-03(193) Speed SearchDeceleration Time SpdSrch Dec Time Sets output frequency reduction time during Speed Search. Default: 2.0 sMin.: 0.1Max.: 10.0 154b3-04(194) V/f Gain during SpeedSearch SpdSrch V/fDetermines how much to lower the V/f ratio during SpeedSearch.Output voltage during Speed Search equals the V/f settingmultiplied by b3-04.Default: <2>Min.: 10%Max.: 100%154b3-05(195) Speed Search DelayTime Search Delay When using an external contactor on the output side, b3-05delays executing Speed Search after a momentary power loss toallow time for the contactor to close.Default: 0.2 sMin.: 0.0Max.: 100.0b3-06(196) Output Current 1 duringSpeed Search Srch Im Lvl1Sets the current injected to the motor at the beginning of SpeedEstimation Speed Search. Set as a coefficient for the motor ratedcurrent.Default: <2>Min.: 0.0Max.: 2.0155b3-08(198)Current Control Gainduring Speed Search(Speed EstimationType)Srch ACR P GainSets the proportional gain for the current controller duringSpeed Search. Default: <1> <2>Min.: 0.00Max.: 6.00–b3-10(19A) Speed Search DetectionCompensation Gain Srch Detect CompSets the gain which is applied to the speed detected by SpeedEstimation Speed Search before the motor is reaccelerated.Increase this setting if ov occurs when performing Speed Searchafter a relatively long period of baseblock.Default: 1.05Min.: 1.00Max.: 1.20 155b3-14(19E) Bi-Directional SpeedSearch SelectionBidir Search Sel0: Disabled1: Enabled0: Disabled (uses the direction of the frequency reference)1: Enabled (drive detects which way the motor is rotating) Default: <1>Range: 0, 1 155b3-17(1F0) Speed Search RestartCurrent Level SrchRestart Lvl Sets the Speed Search restart current level as a percentage of thedrive rated current. Default: 150%Min.: 0Max.: 200 155b3-18(1F1) Speed Search RestartDetection Time SrchRestart Time Sets the time to detect Speed Search restart. Default: 0.10 sMin.: 0.00Max.: 1.00 155b3-19(1F2) Number of SpeedSearch Restarts Num of SrchRestr Sets the number of times the drive can attempt to restart whenperforming Speed Search. Default: 3Min.: 0Max.: 10 155b3-24(1C0) Speed Search MethodSelectionSpdSrch Method0: CurrentDetection1: Speed Estimation0: Current Detection1: Speed Estimation Default: 0Range: 0, 1 156b3-25(1C8) Speed Search Wait Time SpdSrch WaitTime Sets the time the drive must wait between each Speed Searchrestart attempt. Default: 0.5 sMin.: 0.0Max.: 300.0 156B.2 b: ApplicationYASKAWA TOEP YAIZ1U 03B YASKAWA AC Drive – Z1000 User Manual 273B Parameter List