Yaskawa Z1000U HVAC Matrix Bypass - Manual (Page 313)

No.
(Addr
Hex.)
Name LCD Display Description Values Page
b3-19
(01F2)
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
139
b3-24
(01C0)
Speed Search Method
Selection
SpdSrch Method
1: Speed Estimation
2: CurrentDetect2
1: Speed Estimation
2: Current Detection
Default: 2
Range: 1, 2
139
b3-25
(01C8) 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
139
b3-27
(01C9)
Start Speed Search
Select
SpdSrch Start AI
0: Start from 0
1: start SPD
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 (normal).
1: Triggered when an external baseblock is released.
Default: 0
Range: 0, 1
139
b3-31
(0BC0)
Speed Search Operation
Current Level 1 (Current
Detection 1)
Search (I2) Lvl1
Set the current level to use to limit the output current during a
Speed Search.
Default: 1.50
Min.: 1.50
Max.: 3.50
140
b3-32
(0BC1)
Speed Search Operation
Current Level 2 (Current
Detection 2)
Search (I2) Lvl2
Set the current level at which to end the Speed Search for
Current Detection Type Speed Search 2.
Default: 1.20
Min.: 0.00
Max.: 1.49
140
b3-33
(0B3F)
Speed Search Selection
when Run Command is
Given during Uv
SpdSrch Start UV
0: Disabled
1: Enabled
Activates and deactivates Speed Search at start in accordance
with whether a Run command was issued during an
undervoltage (Uv) condition. Function is active when a
momentary power loss (L2-01 = 1 or 2), Speed Search at start
(b3-01 = 1), and coasting to a stop (b1-03 = 1) are enabled.
0: Disabled
1: Enabled
Default: 0
Range: 0, 1
140
b3-50
(0BC7)
Backspin Search
Direction Judgment
Time 1
Bkspin Srch Time1
Adjusts the direction of Speed Search to allow for backspin.
Default: 0.0 s
Min.: 0.0
Max.: 10.0
140
b3-51
(0BC8)
Backspin Search
Direction Judgment
Time 2
Bkspin Srch Time2
Default: 0.0 s
Min.: 0.0
Max.: 10.0
140
b3-52
(0BC9)
Backspin Search
Deceleration Time 1
BkspinSrchDecel1
Sets the search frequency deceleration rate when searching from
the direction command when the momentary power loss time is
shorter than the time set in b3-50.
Default: 2.0 s
Min.: 0.0
Max.: 10.0
142
b3-53
(0BCA)
Backspin Search
Deceleration Time 2
BkspinSrchDecel2
Sets the search frequency deceleration rate for a Speed Search
from the opposite direction of the direction command when the
momentary power loss time is equal to or longer than the time
set in b3-51.
Default: 2.0 s
Min.: 0.0
Max.: 10.0
142
<1> Default setting is dependent on parameter o2-04, Drive Model Selection.
u b5: PID Control
No.
(Addr.
Hex)
Name LCD Display Description Values Page
b5-01
(01A5) PID Function Setting
PID Mode
0: Disabled
1: Enabled D=Fdbk
3: Fref+PID D=Fdbk
0: Disabled
1: Enabled (PID output becomes output frequency reference)
3: Enabled (PID output added to frequency reference)
Default: 0
Range: 0, 1, 3
146
b5-02
(01A6) Proportional Gain
Setting (P)
PID Gain
Sets the proportional gain of the PID controller.
Default: 2.00
Min.: 0.00
Max.: 25.00
146
b5-03
(01A7) Integral Time Setting (I) PID I Time
Sets the integral time for the PID controller.
Default: 0.5 s
Min.: 0.0
Max.: 360.0
146
b5-04
(01A8) Integral Limit Setting
PID 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
146
B.3 b: Application
YASKAWA SIEP YAIZ1D 01A Z1000U HVAC MATRIX Drive Bypass Technical Manual 313
B
Parameter List