No. Name Description
H6-02
Pulse Train Input
Scaling
Sets the terminal RP input signal frequency
that is equal to 100% of the value selected
in H6-01.
H6-03 Pulse Train Input Gain
Sets the level of the value selected in H6-01
when a frequency with the value set in
H6-02 is input.
H6-04 Pulse Train Input Bias
Sets the level of the value selected in H6-01
when 0 Hz is input.
H6-05
Pulse Train Input Filter
Time
Sets the pulse train input filter time
constant.
H6-08
Pulse Train Input
Minimum Frequency
Sets the minimum frequency for the pulse
train input to be detected. Enabled when
H6-01 = 0, 1, or 2.
L1-01
Motor Overload
Protection Selection
0: Disabled
1: General purpose motor (standard fan
cooled)
2: Drive dedicated motor with a speed range
of 1:10
3: Vector motor with a speed range of 1:100
6: General purpose motor (50 Hz)
L1-02
Motor Overload
Protection Time
Sets the motor thermal overload protection
(oL1) time.
L2-01
Momentary Power
Loss Operation
Selection
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.
3: KEB deceleration for the time set to
L2-02.
4: KEB deceleration as long as CPU has
power.
5: KEB deceleration to stop.
L3-04
Stall Prevention
Selection during
Deceleration
0: Disabled. Deceleration at the active
deceleration rate. An ov fault may occur.
1: General purpose. Deceleration is
paused when the DC bus voltage exceeds
the Stall Prevention level.
2: Intelligent. Decelerate as fast as possible
while avoiding ov faults.
3: Stall Prevention with braking resistor.
Stall Prevention during deceleration is
enabled in coordination with dynamic
braking.
4: Overexcitation Deceleration.
Decelerates while increasing the motor
flux.
5: Overexcitation Deceleration 2. Adjust
the deceleration rate according to the DC
voltage.
L5-01
Number of Auto
Restart Attempts
Sets the number of times the drive may
attempt to restart after the following faults
occur: GF, LF, oC, oH1, oL1, oL3, oL4, ov,
Sto, Uv1.
No. Name Description
L6-01
Torque Detection
Selection 1
0: Disabled
1: oL3 detection only active during speed
agree, operation continues after detection
2: oL3 detection always active during run,
operation continues after detection
3: oL3 detection only active during speed
agree, output shuts down on an oL3 fault
4: oL3 detection always active during run,
output shuts down on an oL3 fault
5: UL3 detection only active during speed
agree, operation continues after detection
6: UL3 detection always active during run,
operation continues after detection
7: UL3 detection only active during speed
agree, output shuts down on an oL3 fault
8: UL3 detection always active during run,
output shuts down on an oL3 fault
9: UL6 Alarm at Speed Agree
10: UL6 Alarm during Run
11: UL6 Fault at Speed Agree
12: UL6 Fault during Run
L6-02
Torque Detection
Level 1
Sets the overtorque and undertorque
detection level.
L6-03
Torque Detection Time
1
Sets the time an overtorque or undertorque
condition must exist to trigger torque
detection 1.
L8-01
Internal Dynamic
Braking Resistor
Protection Selection
(ERF type)
0: Resistor overheat protection disabled
1: Resistor overheat protection enabled
L8-02
Overheat Alarm
Level
An overheat alarm occurs when heatsink
temperature exceeds the L8-02 level.
L8-03
(04AF)
Overheat Pre-Alarm
Operation Selection
0: Ramp to stop. A fault is triggered.
1: Coast to stop. A fault is triggered.
2: Fast Stop. Decelerate to stop using the
deceleration time in C1-09. A fault is
triggered.
3: Continue operation. An alarm is
triggered.
4: Continue operation at reduced speed as
set in L8-19.
L8-05
(04B1)
Input Phase Loss
Protection Selection
Selects the detection of input current phase
loss, power supply voltage imbalance, or
main circuit electrolytic capacitor
deterioration.
0: Disabled
1: Enabled
L8-07
(04B3)
Output Phase Loss
Protection Selection
0: Disabled
1: Enabled (triggered by a single phase
loss)
2: Enabled (triggered when two phases are
lost)
L8-09
(04B5)
Output Ground Fault
Detection Selection
0: Disabled
1: Enabled
L8-10
(04B6)
Heatsink Cooling Fan
Operation Selection
0: Run with timer (Fan operates only
during run and for L8-11 seconds after
stop.)
1: Run always (Cooling fan operates
whenever the drive is powered up.)
L8-11
(04B7)
Heatsink Cooling Fan
Off Delay Time
Sets a delay time to shut off the cooling fan
after the Run command is removed when
L8-10 = 0.
L8-12
(04B8)
Ambient Temperature
Setting
Enter the ambient temperature. This value
adjusts the oL2 detection level.
L8-15
(04BB)
oL2 Characteristics
Selection at Low
Speeds
0: No oL2 level reduction below 6 Hz.
1: oL2 level is reduced linearly below 6
Hz. It is halved at 0 Hz.
L8-18
(04BE)
Software Current Limit
Selection
0: Disabled
1: Enabled
L8-19
(04BF)
Frequency Reduction
Rate during Overheat
Pre-Alarm
Specifies the frequency reference reduction
gain at overheat pre-alarm when L8-03 = 4.
9 Parameter Table
80
YASKAWA TOEP YAIP1U 04A YASKAWA AC Drive – P1000 6-Phase/12-Pulse Input Installation Manual
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