No.
(Addr.
Hex)
Name
LCD Display
Description
Values
Page
L3-27
(0456)
Stall Prevention
Detection Time
Stl Prev DetTime
Sets the time the current must exceed the Stall Prevention level
to activate Stall Prevention.
Default: 50 ms
Min.: 0
Max.: 5000
–
L3-36
(11D0)
Vibration Suppression
Gain during
Acceleration (with
Current Limit)
ILim Acc Gain
Increase the setting value if oscillation occurs in the output
current during acceleration.
Min.: 0.0
Max.: 100.0
–
L3-39
(11D3)
Current-limited Integral
Time Constant during
Acceleration
ILim Acc I Time
Sets the time constant for acceleration rate adjustment for current-
limited acceleration.
Default: 100.0
ms
Min.: 1.0
Max.: 1000.0
–
L3-40
(11D6)
Current-limited
Maximum S-curve
Selection during
Acceleration
ILimAcc S-Curve
0: Disable
1: Enable
0: Disable
1: Enable
Default: 0
Range: 0, 1
–
L3-41
(11D7)
Vibration Suppression
Gain during
Deceleration (with
Current Limit)
ILim Dec Gain
Increase the setting value if oscillation occurs in the output
current during deceleration.
Min.: 1.0
Max.: 100.0
–
L3-44
(11D8)
Current-limited Integral
Time Constant during
Deceleration
ILim Dec I Time
Sets the time constant for deceleration rate adjustment for current-
limited deceleration.
Default: 100.0
ms
Min.: 1.0
Max.: 1000.0
–
L3-45
(11D9)
Current-limited
Maximum S-curve
Selection during
Deceleration
ILimDec S-Curve
0: Disable
1: Enable
0: Disable
1: Enable
Available when L3-04 = 6.
Default: 0
Range: 0, 1
–
<1> The default setting and upper limit are determined by L8-38, Frequency Reduction Selection.
<3> Default setting is determined by parameter A1-02, Control Method Selection.
u
L4: Speed Detection
No.
(Addr.
Hex)
Name
LCD Display
Description
Values
Page
L4-01
(0499)
Speed Agree Detection
Level
Spd Agree Level
L4-01 sets the frequency detection level for digital output
functions
H2-
oo
= 2, 3, 4, 5.
Default: 0.0 Hz
Min.: 0.0
Max.: 400.0
–
L4-02
(049A)
Speed Agree Detection
Width
Spd Agree Width
L4-02 sets the hysteresis or allowable margin for speed
detection.
Default: 2.0
Min.: 0.0
Max.: 20.0
–
L4-03
(049B)
Speed Agree Detection
Level (+/-)
Spd Agree Lvl+-
L4-03 sets the frequency detection level for digital output
functions
H2-
oo
= 13, 14, 15, 16.
Default: 0.0 Hz
Min.: -400.0
Max.: 400.0
–
L4-04
(049C)
Speed Agree Detection
Width (+/-)
Spd Agree Wdth+-
L4-04 sets the hysteresis or allowable margin for speed
detection.
Default: 2.0
Min.: 0.0
Max.: 20.0
–
L4-05
(049D)
Frequency Reference
Loss Detection Selection
Ref Loss Sel
0: Stop
1:
Run@L4-06PrevRef
0: Operate following the frequency reference.
1: Run. Drive continues operation according to the setting of
L4-06.
Default: 0
Range: 0, 1
–
L4-06
(04C2)
Frequency Reference at
Reference Loss
Fref at Floss
Sets the percentage of the frequency reference that the drive
should run with when the frequency reference is lost.
Default: 80.0%
Min.: 0.0
Max.: 100.0
–
L4-07
(0470)
Speed Agree Detection
Selection
Freq Detect Sel
0: No Detection @BB
1: Always Detected
0: No detection during baseblock.
1: Detection always enabled.
Default: 0
Range: 0, 1
–
B.9 L: Protection Function
316
YASKAWA TOEPYAIUPW01A YASKAWA AC Drive - U1000 iQpump Matrix Drive User Manual