Yaskawa Z1000 AC Drive HVAC - Manual (Page 266)

No.
(Addr
Hex.)
Name LCD Display Description Values Page
b3-27
(1C9)
Start Speed Search
Select
Start srch sel
0: Start from 0
1: Start Fref>Fmin
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
155
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
–
<1> Default setting is determined by parameter A1-02, Control Method Selection.
<2> Default setting is dependent on parameter o2-04, Drive Model Selection.
u b4: Timer Function
No.
(Addr.
Hex)
Name LCD Display Description Values Page
b4-01
(1A3)
Timer Function On-
Delay Time
Delay-ON Timer
Sets the on-delay and off-delay times for a digital timer output
(H2-=12).
The output is triggered by a digital input programmed to
H1-=18).
Default: 0.0 s
Min.: 0.0
Max.: 3000.0
–
b4-02
(1A4)
Timer Function Off-
Delay Time
Delay-OFF Timer
Default: 0.0 s
Min.: 0.0
Max.: 3000.0
–
u b5: PI Control
No.
(Addr.
Hex)
Name LCD Display Description Values Page
b5-01
(1A5)
PI Function Setting
PID Mode
0: Disabled
1: Enabled D=Fdbk
3: Fref+PID D=Fdbk
0: Disabled
1: Enabled (PI output becomes output frequency reference)
3: Enabled (PI output added to frequency reference)
Default: 0
Range: 0, 1, 3
155
b5-02
(1A6) Proportional Gain
Setting (P)
PID Gain
Sets the proportional gain of the PI controller.
Default: 2.00
Min.: 0.00
Max.: 25.00
155
b5-03
(1A7)
Integral Time Setting (I) PID I Time
Sets the integral time for the PI controller.
Default: 0.5 s
Min.: 0.0
Max.: 360.0
155
b5-04
(1A8)
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
155
b5-06
(1AA)
PI Output Limit PID Limit
Sets the maximum output possible from the entire PI controller
as a percentage of the maximum output frequency.
Default: 100.0%
Min.: 0.0
Max.: 100.0
156
b5-07
(1AB)
PI Offset Adjustment PID Offset
Applies an offset to the PI controller output. Set as a percentage
of the maximum output frequency.
Default: 0.0%
Min.: -100.0
Max.: 100.0
156
b5-08
(1AC) PI Primary Delay Time
Constant
PID Delay Time
Sets a low pass filter time constant on the output of the PI
controller.
Default: 0.00 s
Min.: 0.00
Max.: 10.00
156
b5-09
(1AD)
PI Output Level
Selection
Output Level Sel
0: Normal Character
1: Rev Character
0: Normal output (direct acting)
1: Reverse output (reverse acting)
Default: 0
Range: 0, 1
156
B.2 b: Application
266 YASKAWA ELECTRIC TOEP YAIZ1U 03A YASKAWA AC Drive – Z1000 User Manual