YASKAWA U1000 - Page 562

No.
(Addr.
Hex)
Name LCD Display Description Values Page
n8-66
(0235)
<4>
Output Voltage Limit
Output Filter Time
Constant (for PM
Motors)
VlimFilterTime
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLVV/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
OLV/PM AOLV/PM CLV/PMOLV/PM AOLV/PM CLV/PM
There is normally no need to change this parameter from the
default value.
Default: 0.001 s
Min.: 0.000
Max.: 5.000
343
n8-69
(065D)
Speed Estimation Gain SpdSrch Gain
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
Sets the proportional gain for PLL control of an extended
observer.
There is normally no need to change this parameter from the
default value.
Default: 1.00
Min.: 0.00
Max.: 20.00
343
n8-72
(0655)
Speed Estimation
Method Selection
Spd Est method
0: Conventional
1: A1000 method
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
Sets the method to be used for estimating the speed.
0: Conventional method
1: 1000-series method
There is normally no need to change this parameter from the
default value.
Default: 1
Range: 0, 1
343
n8-84
(02D3)
Initial Polarity
Estimation Timeout
Current
Polarity Det Curr
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLVV/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
OLV/PM AOLV/PM CLV/PMOLV/PM AOLV/PM CLV/PM
V/fOLV/PM
Sets the current to determine polarity for the initial polarity
calculation as a percentage of the motor rated current.
100% = Motor rated current
Note: If an “Si” value is listed on a Yaskawa motor
nameplate, set n8-84 to “Si” value x 2.
Default: 100%
Min.: 0
Max.: 150
343
<1> Default setting is determined by parameter n8-72, Speed Estimation Method Selection.
When n8-72 = 0, default is 50.0
When n8-72 = 1, default is 150.0.
<2> Default setting is determined by parameter E5-01, Motor Code Selection.
<3> Values shown are specific to 200 V class drives. Double the value for 400 V class drives.
<4> Available in drive software versions PRG: 1017 and later.
B.11 n: Special Adjustments
562
YASKAWA ELECTRIC SIEP C710636 04D U1000 Industrial MATRIX Drive Technical Manual