Yaskawa CIMR-UU4A0216F [311/644] N8 72 speed estimation method selection

Yaskawa CIMR-UU4A0180A [311/644] N8 72 speed estimation method selection
There is normally no need to change this parameter from the default value.
No. Name Setting Range Default
n8-69 Speed Calculation Gain 0.00 to 20.00 1.00
n
n8-72: Speed Estimation Method Selection
Sets the method of the speed estimation. There is normally no need to change this parameter from the default value.
No. Name Setting Range Default
n8-72 Speed Estimation Method Selection 0, 1 1
Setting 0: Conventional Method
Setting 1: 1000-Series Method
n
n8-84: Initial Polarity Estimation Timeout Current
Sets the current to determine polarity for the initial polarity calculation as a percentage of the motor rated current.
Set the value in % unit (E5-03 = 100%)
Note:
1. This parameter is only available in AOLV/PM and CLV/PM.
2. If an “Si” value is listed on a Yaskawa motor nameplate, set n8-84 to “Si” value x 2.
No. Name Setting Range Default
n8-84 Initial Polarity Estimation Timeout Current 0 to 150% 100%
Judging Polarity and Motor Pole Position
If operating in AOLV/PM (A1-02 = 6) or CLV/PM (A1-02 = 7), the drive determines motor polarity by performing initial
polarity estimation when it starts the motor (this is done only the first time the motor is started when using CLV/PM).
The drive may begin operating in the wrong direction if it determines motor polarity incorrectly as the opposite direction of
the Run command.
Monitor U6-57 displays the deviation from the integrated current, making it possible to see if initial polarity estimation has
successfully determined the motor polarity.
5.9 n: Special Adjustments
YASKAWA ELECTRIC SIEP C710636 04C U1000 Industrial MATRIX Drive Technical Manual
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Parameter Details

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