B.3 Parameter Table
No. (Addr.)
Name
Description
Setting
Page
L8-35
(4ECH)
<1>
Installation Selection
Default: <4>
Min: 0
Max: 2
201
All Modes
0: IP20 enclosure drive
2: N EM A Type 1 enclosure drive
L8-38
(4EFH)
Automatic Torque B oost Selection
Default: 0
Min: 0
Max: 3
201
All Modes
Torque B oost increases the output current limit w hile decreasing the carrier frequency when the
output current exceeds a certain value.
0: Disabled
3: Enabled
L8-39
(4F0H)
Reduced Carrier Frequency
Default: 3.0 kHz
Min: 1.0 kHz
Max: 15.0 kHz
202
All Modes
Sets the reduced carrier frequency used by the Torque B oost function.
L8-55
(45FH)
Internal Braking Transistor
Protection
Default: 1
Min: 0
Max: 1
202
All Modes
0: Disabled. L8-55 should be disabled when using a regen converter or an optional braking unit.
1: Protection enabled.
L 8-62
(529H)
Operation Selection at Input Phase
Loss
Default: 1
Min: 0
Max: 3
199
All Modes
S
0
1
2
3
ets stopping method when a Input phase loss fault (PF) occurs. See parameter L8-05.
: Ramp to Stop - Decelerate to stop using the deceleration ramp in C1-02.
: Coast to Stop
: Emergency Stop - Decelerate to stop using the deceleration ramp in C1-09.
: Alarm only - Drive continues operation.
L 8-77
(61EH)
Oscillation Suppression
Default: 0
Min: -100
Max: 100
203
All Modes
U sed to suppress speed oscillations that occur with an unloaded motor and that have the same
frequency as the output frequency.
L8-88
(2F5H)
Safe D isable Operation Mode
Default: 1
Min: 0
Max: 1
203
All Modes
0: M ode 0
1: M ode 1
<1> Param eter setting value is not reset to the default value when the drive is initialized.
<4> D efault setting is determined by the drive model (o2-04).
♦ n: Advanced Performance Set-Up
The n parameters are used to adjust more advanced performance characteristics such as speed feedback detection, Online
Tuning for motor line-to-line resistance, and PM motor control tuning.
■ n2: Speed Feedback Detection Control (AFR) Tuning
No. (Addr.)
n2-01
(584H)
Name
Speed Feedback Detection Control
(AFR) Gain
Sets the internal speed feedback detection control gain in the automatic frequency regulator
(AFR).
If hunting occurs, increase the set value. If response is low, decrease the set value.
Setting
Page
Default: 1.00
Min: 0.00
Max: 10.00
204
Default: 50 ms
Min: 0 ms
Max: 2000 ms
204
Default: 750 ms
Min: 0 ms
Max: 2000 ms
204
n2-02
(585H)
Speed Feedback Detection Control
(AFR) Time Constant 1
CLV
В
CLV/PM
Sets the tim e constant used for speed feedback detection control (AFR).
n2-03
(586H)
Speed Feedback Detection Control
(AFR) Time Constant 2
CLV
■
CLV/PM
Sets the AFR time constant to be used during regen.
V/f
V/f
■ n5: Inertia Compensation
No. (Addr.)
Name
n5-01
(5B0H)
Inertia Compensation Selection
n5-02
(5B1H)
Motor Acceleration Time
n5-03
(5B2H)
Inertia Compensation Gain
n 5-07
(170H)
Speed Feedback Compensation
Selection
n5-08
(171H)
Speed Feedback Compensation
Gain (P)
Setting
Page
Default: 0
Min: 0
2 05
Max: 1
Default: <4>
Min: 0.001 s
2 05
Max: 10.000 s
Default: 1.00
Min: 0.00
2 0 6
Max: 100.00
Default: 1
Min: 0
2 0 7
Max: 2
Default: 12.00
Min: 0.00
2 0 7
Max: 300.00
Description
CLV
В
CLV/PM
CLV
В
CLV/PM
Sets the tim e required to accelerate the motor at 100% torque from 0 to the nominal speed.
CLV
В
CLV/PM
Sets the ratio between motor and load inertia. Lower this setting if overshoot occurs at the end
o f acceleration.
CLV
В
CLV/PM
Disabled
Enabled
Test Mode
CLV
■
CLV/PM
Sets the proportional gain for the Speed Feedback Compensation.
<4> D efault setting value is dependent on the drive model (o2-04).
YASKAWA ELECTRIC SIEP C710616 33D YASKAWA AC Drive L1000A Technical Manual
345
V/f
V/f
V/f
V/f
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