Yaskawa CIMR-UU4A0240A [499/644] L2 momentary power loss ride thru

Yaskawa CIMR-UU2A0154F [499/644] L2 momentary power loss ride thru
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L2: Momentary Power Loss Ride-Thru
No.
(Addr.
Hex)
Name LCD Display Description Values Page
L2-01
(0485)
Momentary Power Loss
Operation Selection
PwrL Selection
0: Disabled
1: Enbl with Timer
2: Enbl whl CPU act
All Modes
0: Disabled. Drive trips on Uv1 fault when power is lost.
1: Recover within the time set in L2-02. Uv1 will be detected if
power loss is longer than L2-02.
2: Recover as long as CPU has power. Uv1 is not detected.
Default: 0
Range: 0 to 2
283
L2-02
(0486)
Momentary Power Loss
Ride-Thru Time
PwrL Ridethru t
All Modes
Sets the Power Loss Ride-Thru time. Enabled only when L2-01
= 1 or 3.
Default: 0.5 s
Min.: 0.0
Max.: 2.5
284
L2-03
(0487)
Momentary Power Loss
Minimum Baseblock
Time
PwrL Baseblock t
All Modes
Sets the minimum wait time for residual motor voltage decay
before the drive output reenergizes after performing Power Loss
Ride-Thru.
Increasing the time set to L2-03 may help if overcurrent or
overvoltage occur during Speed Search or during DC Injection
Braking.
Default:
<1>
Min.: 0.1 s
Max.: 5.0 s
284
L2-04
(0488)
Momentary Power Loss
Voltage Recovery Ramp
Time
PwrL V/F Ramp t
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLVV/f V/f w PG OLV CLVV/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLVV/f V/f w PG OLV CLV
Sets the time for the output voltage to return to the preset V/f
pattern during Speed Search.
Default:
<1>
Min.: 0.0 s
Max.: 5.0 s
284
L2-07
(048B)
KEB Acceleration
Time
KEB Accel Time
All Modes
Sets the time to accelerate to the frequency reference when
momentary power loss is over. If set to 0.0, the active acceleration
time (C1-01, C1-03, C1-05, or C1-07) is used.
Default: 0.00 s
Min.: 0.00
Max.: 6000.0
<2>
284
L2-13
(04F7)
Input Power Frequency
Fault Detection Gain
FDV Detect Gain
All Modes
Set the gain to use to detect power supply frequency fault (Fdv).
Default: 1.0
Min.: 0.1
Max.: 2.0
284
L2-21
(04F7)
Low Input Voltage
Detection Level
AVV Detect evel
All Modes
Set the level at which to detect a low input voltage.
Default: 150 V
Min.: 100 V
<3>
Max.: 230 V
<3>
284
L2-27
(04F7)
Power Supply
Frequency Fault
Detection Width
FDV Detect Width
All Modes
Sets the frequency width to use to detect power supply frequency
fault (Fdv).
Default: 6.0 Hz
Min.: 3.0 Hz
Max.: 20.0 Hz
284
<1> Default setting is determined by parameters C6-01, Drive Duty Selection, and 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.
B.10 L: Protection Function
YASKAWA ELECTRIC SIEP C710636 04C U1000 Industrial MATRIX Drive Technical Manual
499
B
Parameter List

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