No. Name Description Range Def.
Control
Mode
Addr.
Hex
Pg.
V/
f
O
L
V
P
M
L1-04
Motor Overheat Fault
Operation Selection (PTC
input)
Sets stopping method when the motor temperature analog
input (H3-02/10 = E) exceeds the oH4 fault level.
0: Ramp to Stop
1: Coast to Stop
2: Fast-stop
0 to 2 1 A A A 483 206
L1-05
Motor Temperature Input
Filter Time (PTC input)
This parameter adjusts the filter on the motor temperature
analog
input (H3-02 or H3-10 = E). Increase to add stability,
decrease to improve response.
0.00 to
10.00
0.20 s A A A 484 207
L1-13
Continuous Electrothermal
Operation Selection
Determines whether or not to hold the electrothermal value
when the power supply is interrupted.
0: Disabled
1: Enabled
0, 1 1 A A A 46D 207
L1-22
<16>
<17>
Leakage Current Filter Time
Constant 1
Sets the time constant for reducing the sensitivity level when
detecting leakage current. Set in seconds and used when
operating at constant speed.
Note: This parameter is available only when C6-02
is
set to B. To display this parameter, first set
C6-02 = B.
0.0 to
60.0
20.0 s A A A 768 207
L1-23
<16>
<17>
Leakage Current Filter Time
Constant 2
Sets the time constant for reducing the sensitivity level when
detecting leakage current. Set in seconds and used during
acceleration and deceleration operation.
Note: This parameter is available only when C6-02
is
set to B. To display this parameter, first set
C6-02 = B.
0.0 to
60.0
1.0 s A A A 769 207
L2: Momentary Power Loss
Use L2 parameters to configure drive functions for momentary power loss conditions.
L2-01
Momentary Power Loss
Operation Selection
Enables and disables the momentary power loss function.
0: Disabled - Drive trips on (Uv1) fault when power is lost.
1: Power Loss Ride-Thru Time - Drive will restart if power
returns within the time set in L2-02.
2: CPU Power Active - Drive will restart if power returns as
long as the CPU is working.
0 to 2 0 A A A 485
207
For a restart to occur, the run command
must be maintained throughout the
Ride-Thru period.
L2-02
Momentary Power Loss
Ride-Thru Time
Sets the Power Loss Ride-Thru time. Only effective when
L2-01 = 1.
0.0 to
25.5
<3>
A A A 486 208
L2-03
Momentary Power Loss
Minimum Baseblock Time
Sets the minimum wait time for residual motor voltage decay
before the drive output reenergizes after power loss Ride-
Thru. If L2-03 is greater than L2-02, operation resumes after
the time set in L2-03.
0.1 to 5.0
<4>
A A A 487 208
L2-04
Momentary Power Loss
Voltage Recovery Ramp
Time
Sets the time for the output voltage to return to the preset V/
f pattern during Speed Search.
0.0 to 5.0
<3>
A A A 488 208
L2-05
<5>
Undervoltage Detection
Level (Uv)
Sets the DC Bus undervoltage trip level. If this is set lower
than the default setting, additional AC input impedance or
DC bus reactance may be necessary.
This value is used for KEB activation if L2-01 > 0.
150 to
210
<3>
<6>
A A A 489 208
L2-06 KEB Deceleration Time
Sets the time required to decelerate from the speed when
KEB was activated to zero speed.
0.0 to
200.0
0.0 s A A A 48A 210
L2-07 KEB Acceleration Time
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.
0.0 to
25.5
0.0 s A A A 48B 210
L2-08
KEB Start Output Frequency
Reduction
Sets the percentage of output frequency reduction at the
beginning
of deceleration when the KEB function is started.
Reduction = (slip frequency before KEB) x (L2-08/100) x 2
0 to 300 100% A A A 48C 210
L2-11
<5>
Desired DC Bus Voltage
during KEB
Sets the desired value of the DC bus voltage during KEB.
150 to
400 V
E1-01
x 1.22
A A A 461 210
L3: Stall Prevention Function
Use L3 parameters to configure the Stall Prevention function.
B.2 Parameter Table
358
YASKAWA ELECTRIC SIEP C710606 16C YASKAWA AC Drive – V1000 Technical Manual
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