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L2: Momentary Power Loss Ride-Thru
No.
(Addr.
Name
Hex)
L2-01
Momentary Power Loss
(0485)
Operation Selection
L2-02
Momentary Power Loss
(0486)
Ride-Thru Time
Momentary Power Loss
L2-03
Minimum Baseblock
(0487)
Time
Momentary Power Loss
L2-04
Voltage Recovery Ramp
(0488)
Time
Momentary Power Loss
L2-07
Voltage Recovery
(048B)
Acceleration Time
L2-13
Input Power Frequency
(04CD)
Fault Detection Gain
L2-21
Low Input Voltage
(04D5)
Detection Level
Power Supply
L2-27
Frequency Fault
(04F7)
Detection Width
<1> Default setting is dependent on parameter o2-04, Drive Model Selection.
<2> Setting range value is dependent on parameter C1-10, Accel/Decel Time Setting Units. When C1-10 = 0 (units of 0.01 seconds), the setting range
becomes 0.00 to 600.00 seconds.
<3> Values shown are specific to 200 V class drives. Double the value for 400 V class drives.
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L3: Stall Prevention
No.
(Addr.
Name
Hex)
Stall Prevention
L3-01
Selection during
(048F)
Acceleration
L3-02
Stall Prevention Level
(0490)
during Acceleration
L3-03
Stall Prevention Limit
(0491)
during Acceleration
Stall Prevention
L3-04
Selection during
(0492)
Deceleration
YASKAWA ELECTRIC SIEP C710636 10C Z1000U HVAC MATRIX Drive Programming Manual
LCD Display
0: Disabled.
PwrL Selection
Drive trips on Uv1 fault when power is lost.
0: Disabled
1: Recover within the time set in L2-02.
1: Enbl with Timer
Uv1 will be detected if power loss is longer than L2-02.
2: Enbl whl CPU act
2: Recover as long as CPU has power.
Fdv is not detected.
Sets the Power Loss Ride-Thru time. Enabled only when
PwrL Ridethru t
L2-01 = 1.
Sets the minimum wait time for residual motor voltage decay
before the drive output reenergizes after performing Power
Loss Ride-Thru.
PwrL Baseblock t
Increasing the time set to L2-03 may help if overcurrent or
overvoltage occur during Speed Search or during DC Injection
Braking.
Sets the time for the output voltage to return to the preset V/f
pattern during Speed Search.
PwrL V/F Ramp t
Sets the time to accelerate to the frequency reference when
momentary power loss is over. If set to 0.0, the active
KEB Accel Time
acceleration time is used.
FDV Detect Gain
Set the gain to use to detect power supply frequency fault (Fdv).
AVV Detect evel
Set the level at which to detect a low input voltage.
Sets the frequency width to use to detect power supply
FDV Detect Width
frequency fault (Fdv).
LCD Display
0: Disabled.
StallP Accel Sel
1: General purpose. Acceleration is paused as long as the
0: Disabled
current is above the L3-02 setting.
1: General purpose
3: Enabled (Current Limit). The acceleration rate is
3: iLim Mode
automatically adjusted while limiting the output current at the
setting value of the stall prevention level (L3-02).
Used when L3-01 = 1 or 3. 100% is equal to the drive rated
current.
StallP Accel Lvl
Sets Stall Prevention lower limit during acceleration when
StallPAccDecLim
operating in the constant power range. Set as a percentage of
drive rated current.
0: Disabled. Deceleration at the active deceleration rate. An ov
fault may occur.
StallP Decel Sel
1: General purpose. Deceleration is paused when the DC bus
0: Disabled
voltage exceeds the Stall Prevention level.
1: General purpose
4: Overexcitation Deceleration. Decelerates while increasing
4: High Flux Brake
the motor flux
6: iLim Mode
6: Enable (Current Limit). The deceleration rate is
automatically adjusted while limiting the regeneration current
at the setting value of the stall prevention level (L3-14).
A.10 L: Protection Function
Description
Description
Values
Page
Default: 0
109
Range: 0 to 2
Default: 0.5 s
Min.: 0.0
110
Max.: 2.5
<1>
Default:
110
Min.: 0.1 s
Max.: 5.0 s
<1>
Default:
110
Min.: 0.0 s
Max.: 5.0 s
Default: 0.00 s
Min.: 0.00
110
<2>
Max.: 6000.0
Default: 1.0
Min.: 0.1
110
Max.: 2.0
Default: 150 V
<3>
Min.: 100 V
110
<3>
Max.: 230 V
Default: 6.0 Hz
Min.: 3.0 Hz
111
Max.: 20.0 Hz
Values
Page
Default: 1
Range: 0, 1, 3
111
<1>
<2>
Default:
Min.: 0%
113
<2>
Max.: 150%
Default: 50%
Min.: 0
113
Max.: 100
Default: 1
Range: 0, 1, 4, 6
113
<1>
A
229
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