No.
(Addr.
Hex)
Name
LCD Display
Description
Values
Page
n8-45
(0538)
Speed Feedback
Detection Control Gain
(for PM Motors)
PM Spd Fdbk Gain
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
OLV/PM
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
OLV/PM
Increase this setting if hunting occurs. Decrease to lower the
response.
Default: 0.80
Min.: 0.00
Max.: 10.00
n8-47
(053A)
Pull-In Current
Compensation Time
Constant (for PM
Motors)
PM Pull-in I Tc
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
OLV/PM
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
OLV/PM
Sets the time constant to make the pull-in current reference and
actual current value agree. Decrease the value if the motor begins
to oscillate, and increase the value if it takes too long for the
current reference to equal the output current.
Default: 5.0 s
Min.: 0.0
Max.: 100.0
n8-48
(053B)
Pull-In Current (for PM
Motors)
PM No-load Curr
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
OLV/PM
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
OLV/PM
Defines the d-Axis current reference during no-load operation at
a constant speed. Set as a percentage of the motor rated current.
Increase this setting if hunting occurs while running at constant
speed.
Default: 30%
Min.: 20
Max.: 200
n8-49
(053C)
d-Axis Current for High
Efficiency Control (for
PM Motors)
EnergySav ID Lvl
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
OLV/PM
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
OLV/PM
Sets the d-Axis current reference when running a high load at
constant speed. Set as a percentage of the motor rated current.
Min.: -200.0%
Max.: 0.0%
n8-51
(053E)
Acceleration/
Deceleration Pull-In
Current (for PM Motors) PM Pull-in I@Acc
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
OLV/PM
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
OLV/PM
Sets the d-Axis current reference during acceleration/
deceleration as a percentage of the motor rated current. Set to a
high value when more starting torque is needed.
Default: 50%
Min.: 0
Max.: 200
n8-54
(056D)
Voltage Error
Compensation Time
Constant
PM V Error CompT
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
OLV/PM
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
OLV/PM
Adjusts the value when hunting occurs at low speed. If hunting
occurs with sudden load changes, increase n8-54 in increments
of 0.1. Reduce this setting if oscillation occurs at start.
Default: 1.00 s
Min.: 0.00
Max.: 10.00
n8-55
(056E) Load Inertia
PMLoad wk2 Ratio
0: Less than 1:10
1: 1:10 to 1:30
2: 1:30 to 1:50
3: More than 1:50
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
OLV/PM
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
OLV/PM
Sets the ratio between motor and machine inertia.
0: Below 1:10
1: Between 1:10 and 1:30
2: Between 1:30 and 1:50
3: Beyond 1:50
Default: 0
Min.: 0
Max.: 3
n8-57
(0574)
High Frequency
Injection
PM Harm Inj Sel
0: Disabled
1: Enabled
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
AOLV/PM
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
AOLV/PM
0: Disabled. Disable when using an SPM motor.
1: Enabled. Use this setting to enhance the speed control range
when using an IPM motor.
Default: 0
Range: 0, 1
n8-62
(057D)
Output Voltage Limit
(for PM Motors)
PM Vout Limit
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
OLV/PM
AOLV/PM
CLV/PM
OLV/PM
AOLV/PM
CLV/PM
Prevents output voltage saturation. Should be set just below the
voltage provided by the input power supply.
Default: 200.0
V
Min.: 0.0
Max.: 250.0
n8-63
(057E)
Output Voltage Limit
Proportional Gain (for
PM Motors)
PM Vout P Gain
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
OLV/PM
AOLV/PM
CLV/PM
OLV/PM
AOLV/PM
CLV/PM
Stabilizes constant output.
There is normally no need to change this parameter from the
default value.
Default: 1.00
Min.: 0.00
Max.: 100.00
n8-64
(057F)
Output Voltage Limit
Integral Time (for PM
Motors)
PM Vout I Time
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
OLV/PM
AOLV/PM
CLV/PM
OLV/PM
AOLV/PM
CLV/PM
There is normally no need to change this parameter from the
default value.
Default: 0.040 s
Min.: 0.000
Max.: 5.000
B.11 n: Special Adjustments
YASKAWA ELECTRIC SIEP C710636 04D U1000 Industrial MATRIX Drive Technical Manual
561
B
Parameter List
Summary of Contents for U1000 iQpump Drive
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