Yaskawa Z1000U - Manual (Page 291)

No.
(Addr.
Hex)
Name LCD Display Description Values Page
L3-05
(0493)
Stall Prevention
Selection during Run
StallP Run Sel
0: Disabled
1: Decel time
2: Decel time 2
0: Disabled. Drive runs at a set frequency. A heavy load may
cause speed loss.
1: Decel time 1. Uses the deceleration time set to C1-02 while
Stall Prevention is performed.
2: Decel time 2. Uses the deceleration time set to C1-04 while
Stall Prevention is performed.
Default: 1
Range: 0 to 2
–
L3-06
(0494)
Stall Prevention Level
during Run
StallP Run Level
Enabled when L3-05 is set to 1 or 2. 100% is equal to the drive
rated current.
Default: <2>
Min.: 30%
Max.: 150%
<2>
–
L3-14
(04C7)
Stall Prevention Level
during Deceleration
StallP Decel Lvl Used when L3-04 = 1. 100% is equal to the drive rated current.
Default: 120%
Min.: 80
Max.: 120
<2>
–
L3-22
(04F9)
Deceleration Time at
Stall Prevention during
Acceleration
PM Acc Stall P T
Sets the deceleration time used for Stall Prevention during
acceleration in OLV/PM.
Default: 0.0 s
Min.: 0.0
Max.: 6000
–
L3-23
(04FD)
Automatic Reduction
Selection for Stall
Prevention during Run
CHP Stall P Sel
0: Lv1 set in L3-06
1: Autom. Reduction
0: Sets the Stall Prevention level set in L3-04 that is used
throughout the entire frequency range.
1: Automatic Stall Prevention level reduction in the constant
output range. The lower limit value is 40% of L3-06.
Default: 0
Range: 0, 1
–
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
(11D5)
Vibration Suppression
Gain during
Acceleration (with
Current Limit)
ILim Acc Gain
Increase the setting value if oscillation occurs in the output
current during acceleration.
Default: 10.0
Min.: 0.0
Max.: 100.0
–
L3-39
(11D5)
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.
Default: 10.0
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 setting range is 0, 1 in OLV/PM control mode.
<2> Upper limit is dependent on parameter L8-38, Frequency Reduction Selection.
u L4: Speed Detection
No.
(Addr.
Hex)
Name LCD Display Description Values Page
L4-01
(0499)
Speed Agreement
Detection Level
Spd Agree Level
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 Agreement
Detection Width
Spd Agree Width
Sets the hysteresis or allowable margin for speed detection. Default: 2.0 Hz
Min.: 0.0
Max.: 20.0
–
L4-03
(049B)
Speed Agreement
Detection Level (+/-) Spd Agree Lvl+-
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
–
B.9 L: Protection Function
YASKAWA ELECTRIC TOEP C710636 10B Z1000U HVAC MATRIX Drive User Manual 291
B
Parameter List