Mitsubishi Electric FR-A820-00046 Instruction Manual page 320

Speed control under Real sensorless vector control, vector control, PM sensorless vector control
Combining with easy gain tuning
● The following table shows the relationship between speed feed forward and model adaptive
speed control, and the easy gain tuning function.
Pr. 880 "Load inertia ratio"
Pr. 820 "Speed control P gain 1" Manual input
Pr. 821 "Speed control integral
time 1"
Pr. 828 "Model speed control
gain"
Pr. 881 "Speed feed forward
gain"
Tab. 5-40:
Parameters referred to
Pr. 820
Pr. 830
Pr. 821
Pr. 831
Pr. 788
5 - 118
0
Manual input
Manual input
Manual input
Manual input
Combining with easy gain tuning
Speed control P gain 1
Speed control P gain 2
Speed control integral time 1
Speed control integral time 2
Low speed range torque characteristic selection
Easy gain tuning selection (Pr. 819) setting
1
The inertia ratio value
calculated by easy gain
tuning is displayed.
Manual input is available
only during a stop.
The tuning result is
displayed.
Write is not available.
The tuning result is
displayed.
Write is not available.
The tuning result is
displayed.
Write is not available.
Manual input
Parameters
2
Manual input
The tuning result is
displayed.
Write is not available.
The tuning result is
displayed.
Write is not available.
The tuning result is
displayed.
Write is not available.
Manual input
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