Mitsubishi Electric FR-A700 EC, Instruction Manual

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Parameter Speed control by real sensorless vector control, vector control
FR-A700 EC 6 - 89
Block diagram of easy gain tuning function
I001509E
Fig. 6-15: Block diagram of easy gain tuning function
<Vector control>
Automatic setting
Command
Speed control/position loop gain
Model speed control gain
Pr. 820, Pr. 821,
Pr. 828, Pr. 422
Current
control
M
3~
Load
inertia
moment
Encoder
Torque command
Actual motor speed
Load inertia ratio
estimation section
On when
Pr. 819 = 1
Load inertia ratio
Pr. 880
Gain table
On when
Pr. 819 = 1 or 2
Easy gain tuning
response level setting
(Pr. 818 )
Easy gain tuning
selection (Pr. 819 )
Speed/position feedback