Online Auto Tuning (Pr. 95, Pr. 574) - Mitsubishi Electric FR-A700 Instruction Manual

Selection and protection of a motor
6.12.4

Online auto tuning (Pr. 95, Pr. 574)

When online auto tuning is selected under advanced magnetic flux vector control, real sensor-
less vector control or vector control, excellent torque accuracy is provided by temperature com-
pensation even if the secondary resistance value of the motor varies with the rise of the motor
temperature.
Pr.
Name
No.
Selbsteinstellung der
95
Betriebmotordaten
Selbsteinstellung der
574
Betriebsmotordaten
(Motor 2)
Start-time online auto tuning (Pr. 95 = 1)
● By quickly tuning the motor constants at a start, high accuracy operation unaffacted by the
motor temperature and stable operation with high torque down to ultra low speed can be
performed.
● Make sure advanced magnetic flux vector control (Pr. 80, Pr. 81 ), real sensorless vector
control or vector control (Pr.800 ) is selected.
● Before performing online auto tuning, perform offline auto tuning (Pr. 96) without fail.
6 - 236
Initial
Setting Range Description
Value
0 Keine Selbsteinstellung
1 Selbsteinstellung beim Start
0
Selbsteinstellung mit Beobach-
2 ter für Magnetfluss
(normale Selbsteinstellung)
Selbsteinstellung der Betriebs-
motordaten für den 2. Motor
0 0/1
(die Einstellungen entsprechen
denen von Pr. 95)
Magnetic flux Magnetic flux Magnetic flux Sensorless Sensorless Sensorless
Parameters referred to
9
71
80
81
96
178–189
190–196
Parameter
Vector Vector Vector
Refer to
Section
Electronic ther- 6.12.1
mal O/L relay
Applied motor 6.12.2
Motor capacity 6.12.4
Number of motor 6.12.4
poles
Auto tuning set- 6.12.3
ting/status
Input terminal 6.14.1
function selection
Output terminal 6.14.5
function selection