Specifications
YASKAWA Inverter Drive A1000 – Crane Software Application Manual
20
Access Level <1>
No. Parameter Name
Setting
Range
Units Default Description
During
Run
V/f
V/f
with PG
OLV CLV
MEMOBUS
Address
L7-01 Forward Torque Limit 0 to 300 1% 200 - - A A 4A7H
L7-02 Reverse Torque Limit 0 to 300 1% 200 - - A A 4A8H
L7-03
Forward Regenerative Torque
Limit
0 to 300 1% 200 - - A A 4A9H
L7-04
Reverse Regenerative Torque
Limit
0 to 300 1% 200
Torque limit as a percetage of motor rated
torque.
- - A A 4AAH
L7-06
Torque Limit Integral Time
Constant
5 to
10000
1 ms 200 Integral time constant for torque limit - - A - 4ACH
L7-07
Torque Limit Control Method
Selection during Accel/Decel
0,1 0
0: Proportional control (changes to integral
control at constant speed)
1: Integral control
- - A - 4C9H
Torque Limit
L7-16 Torque Limit Control at Start 0,1 1
0: Disabled
1: Enabled
- - A A 44DH
L8-01
Internal Dynamic Braking
Resistor Protection Selection
(ERF type)
0,1 0
0: Disabled
1: Enabled
A A A A 4ADH
L8-02 Overheat Alarm Level
50 to
150
1 °C
115
<6>
Temperature at which overheat alarm is
triggered
A A A A 4AEH
L8-03
Overheat Pre-Alarm Operation
Selection
0 to 3 3
0: Ramp to stop
1: Coast to stop
2: Emergency stop
3: Continue running (alarm only)
4: Continue running at level set in L8-19
A A A A 4AFH
L8-05 Input Phase Protection Selection 0,1 1
0: Disabled
1: Enabled
A A A A 4B1H
L8-07 Output Phase Loss Protection 0 to 2 1
0: Disabled
1: Enabled (triggered by a single phase loss)
2: Enabled (triggered when two phases are
lost)
A A A A 4B3H
L8-08
Output Phase Loss Detection
Level
0.0 to
20.0
0.1% 5.0
Tunes Phase Loss Protection so the fault is
accurately detected when running a motor
much smaller than the drive.
A A A A 4B4H
L8-09 Ground Protection Selection 0,1 1
0: Disabled
1: Enabled
A A A A 4B5H
L8-10
Heatsink Cooling Fan Operation
Selection
0,1 0
0: Fan operation only when Run command is
present
1: Fan operation whenever the power supply
is on
A A A A 4B6H
L8-11
Heatsink Cooling Fan Off Delay
Time
0 to 300 1 s 60
Delay time before fan is turned off after Run
command is removed if L8-10 = 0
A A A A 4B7H
L8-12 Ambient Temperature Setting
-10 to
50
1 °C 40 Ambien temperature A A A A 4B8H
L8-15 oL2 Detection at Low Speeds 0,1 1
0: No oL2 level reduction below 6 Hz
1: oL2 level reduced linearly below 6 Hz. At 0
Hz it is halved
A A A A 4BBH
L8-18 Software Current Limit 0,1 0
0: Disabled
1: Enabled
A A A A 4BEH
L8-19
Frequency Reduction Rate during
Overheat Pre-Alarm
0.1 to
0.9
0.8 Frequency reduction factor when L8-03 = 4 A A A A 4BFH
L8-32
Main Contactor, Fan Power
Supply Fault Selection
0 to 4 1
0: Ramp to stop
1: Coast to stop
2: Emergency stop
3: Continue running (alarm only)
4: Continue running at level set in L8-19
A A A A 4E2H
L8-35 Installation Method Selection 0 to 3
<2>
<6>
0: IP00 enclosure drive
1: Side-by-Side mounting
2: NEMA Type 1 enclosure
3: Finless model drive or external heatsink
installation
A A A A 4ECH
L8-38
Carrier Frequency Reduction
Selection
0 to 2 2
0: Disabled
1: Enabled below 6 Hz
2: Enabled for the entire speed range
A A A A 4EFH
L8-40
Carrier Frequency Reduction Off
Delay Time
0.00 to
2.00
0.01 s
0.50
<4>
Time to continue running with reduced carrier
frequency after carrier reduction is gone
A A A A 4F1H
L8-41 High Current Alarm Selection 0,1 1
0: Disabled
1: Enabled (triggered at 150% of drive rated
current)
A A A A 4F2H
Hardware Protection
L8-55
Internal Braking Transistor
Protection
0,1 1
0: Disabled
1: Enabled
A A A A 45FH
<1> Access Levels A: Advanced Programming Menu Q: Quick Setting Menu -: N/A in this Control Mode
<2> Value is not reset when the drive is initialized.
<4> Default Setting is determined by the control method (A1-02 or E3-01)
<6> Default Setting and/or Setting Range is determined by drive capacity rating