Learning Advanced Features
Adv
anc
ed
Feat
ur
es
231
Group Code Name
LCD Display
Parameter Setting
Unit
20
Auto tuning options
Auto Tuning
2
Rs+Lsigma
-
CON
21
Sensorless speed controller
proportional gain 1
ASR-SL P Gain1
-
100.0
%
22
Sensorless speed controller
integral gain 1
ASR-SL I Gain1
-
150
ms
•
For sensorless-1 mode operation, the motor
’
s rated capacity must match the inverter
’
s rated
capacity. If the inverter capacity is too large for the installed motor, run the motor in V/F mode.
•
Sensorless-1 mode operation does not support multiple motor control (MMC) features. Do not
connect multiple motors to one inverter that is operating in sensorless-1 mode.
Sensorless-1 Vector Control
–
Details
Code
Description
DRV-14 Motor Capacity,
BAS-11 Pole Number,
BAS-12 Rated Slip,
BAS-13 Rated Curr,
BAS-15 Rated Volt,
BAS-16 Efficiency
Motor parameter information is required for sensorless-1 vector
control mode.
Check the motor
’
s rating plate for the motor capacity and other
performance-related information, set the relevant parameters, and
then run auto tuning at BAS-20.
BAS-20 Auto Tuning
After setting all the parameter values (DRV-14 Motor Capacity, BAS-11
Pole Number, BAS-12 Rated Slip, BAS-13 Rated Curr, BAS-15 Rated Volt,
and BAS-16 Efficiency), perform auto tuning.
To perform astatic auto tuning
when the motor does not rotate, set
BAS-20 to 2 (Rs+Lsigma). The default motor no-load current is used,
and the motor stator resistance (Rs) and leakage inductance (Lsigma)
values are saved at BAS-21 and BAS-22.
To perform rotating auto tuning
, separate the load from the motor
axis, if possible, and set BAS-20 to
“
1 (ALL)
”
. The motor no-load current,
motor stator resistance (Rs), and motor leakage inductance (Lsigma)
values are saved at BAS-14, BAS-21, and BAS-22 respectively.
CON-21 ASR-SL P Gain1,
CON-22 ASR-SL I Gain1
Set the speed controller proportionately and integral gains for
sensorless-1 vector control according to the default motor parameters
and acc/dec time.
Содержание SV-iS7 Series
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