No.
(Addr
Hex.)
Name
Description
Values
Page
b3-08
(198)
Current Control Gain during
Speed Search (Speed
Estimation Type)
Srch ACR P Gain
Sets the proportional gain for the current controller during Speed Search.
Min.: 0.00
Max.: 6.00
b3-09
(199)
Current Control Integral
Time during Speed Search
(Speed Estimation Type)
Srch ACR I Time
Sets the Integral Time for the current controller during Speed Search.
Default: 2.0 ms
Min.: 0.0
Max.: 1000.0
b3-10
(19A)
Speed Search Detection
Compensation Gain
Srch Detect Comp
Sets the gain which is applied to the speed detected by Speed Estimation Speed
Search before the motor is reaccelerated. Increase this setting if ov occurs
when performing Speed Search after a relatively long period of baseblock.
Default: 1.05
Min.: 1.00
Max.: 1.20
b3-11
(19B)
Speed Search Method
Switching Level (Speed
Estimation Type)
Srch Mthd Sw Lvl
Uses the amount of voltage remaining in the motor to automatically switch
the 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.: 0.5
Max.: 100.0
b3-12
(19C)
Minimum Current Detection
Level during Speed Search
Srch I Deadband
Sets the minimum current detection level during Speed Search. Increase this
setting value in increments of 0.1 if the drive fails to perform Speed Estimation.
Min.: 2.0
Max.: 10.0
b3-14
(19E)
Bi-Directional Speed Search
Selection
Bidir Search Sel
0: Disabled
0: Disabled
(uses the direction of the frequency reference)
1: Enabled
1: Enabled
(drive detects which way the motor is rotating)
Default: 1
Range: 0, 1
b3-17
(1F0)
Speed Search Restart
Current Level
SrchRestart Lvl
Sets the Speed Search restart current level as a percentage of the drive rated
current.
Default: 110%
Min.: 0
Max.: 200
b3-18
(1F1)
Speed Search Restart
Detection Time
SrchRestart Time
Sets the time to detect Speed Search restart.
Default: 0.10 s
Min.: 0.00
Max.: 1.00
b3-19
(1F2)
Number of Speed Search
Restarts
Num of SrchRestr
Sets the number of times the drive can attempt to restart when performing
Speed Search.
Default: 3
Min.: 0
Max.: 10
b3-24
(1C0)
Speed Search Method
Selection
SpdSrch Method
0: Current Detection
0: CurrentDetection
1: Speed Estimation
1: Speed Estimation
Default: 0
Range: 0, 1
b3-25
(1C8)
Speed Search Wait Time
SpdSrch WaitTime
Sets the time the drive must wait between each Speed Search restart attempt. Default: 0.5 s
Min.: 0.0
Max.: 30.0
b3-27
(1C9)
Start Speed Search Select
Start srch sel
Selects a condition to activate Speed Search Selection at Start (b3-01) or
External 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>Fmin
Default: 0
Range: 0, 1
<1> Default setting is dependent on parameter o2-04, Drive Model Selection.
u
b5: PI Control
No.
(Addr.
Hex)
Name
Description
Values
Page
b5-01
(1A5)
PI Function Setting
PI Mode
0: Disabled
0: Disabled
1: 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: 0
Range: 0, 1, 3
b5-02
(1A6)
Proportional Gain Setting
(P)
PI Gain
Sets the proportional gain of the PI controller.
Default: 2.00
Min.: 0.00
Max.: 25.00
b5-03
(1A7)
Integral Time Setting (I)
PI I Time
Sets the integral time for the PI controller.
Default: 0.5 s
Min.: 0.0
Max.: 360.0
b5-04
(1A8)
Integral Limit Setting
PI I Limit
Sets the maximum output possible from the integrator as a percentage of the
maximum output frequency.
Default: 100.0%
Min.: 0.0
Max.: 100.0
B.3 b: Application
YASKAWA ELECTRIC SIEP YAIZ1B 01E YASKAWA AC Drive – Z1000 Bypass Technical Manual
315
B
Parameter List