Mitsubishi Electric FR-A700 Series Instruction Manual page 129

Parameter List
Parameter
Model speed
828
control gain
Speed feed forward
control/model
877
adaptive speed
control selection
Speed feed forward
878
filter
Speed feed forward
879
torque limit
Load inertia ratio
880
Speed feed forward
881
gain
830
Refer to Pr. 820.
831
Refer to Pr. 821.
832
Refer to Pr. 74.
833
Refer to Pr. 823.
—
834
Refer to Pr. 824.
835
Refer to Pr. 825.
836
Refer to Pr. 74.
837
Refer to Pr. 827.
Torque bias selec-
840
tion
841
Torque bias 1
842
Torque bias 2
843
Torque bias 3
844
Torque bias filter
Torque bias opera-
845
tion time
Torque bias balance
846
compensation
Fall-time torque
847
bias terminal 1 bias
Fall-time torque
848
bias terminal 1 gain
849
Refer to Pr. 74.
850
Refer to Pr. 10.
—
853
Refer to Pr. 285.
854
Excitation ratio
124
Incre Initial
Name
ments Value
1% 60%
1 0
0.01s 0s
0.1% 150%
0.1 7
1% 0%
1 9999
1% 9999
0.001s 9999
0.01s 9999
0.1V 9999
1% 9999
1% 9999
1% 100%
Range Description
0 to 1000% Set the gain for model speed controller.
0 Normal speed control is exercised
1 Speed feed forward control is exercised.
2 Model adaptive speed control is enabled.
Set the primary delay filter for the speed
0 to 1s feed forward result calculated using the
speed command and load inertia ratio.
Limits the maximum value of the speed
0 to 400%
feed forward torque.
0 to 200 Set the load inertia ratio.
Inertia ratio found by easy gain turning.
times
Set the feed forward calculation result as a
0 to 1000%
gain.
Set the contact signal (X42, X43) based-
0
torque bias amount using Pr.841 to Pr.843.
Set the terminal 1-based torque bias amount
1
as desired in C16 to C19. (forward rotation)
Set the terminal 1-based torque bias amount
2
as desired in C16 to C19. (reverse rotation)
The terminal 1-based torque bias amount
3 can be set automatically in C16 to C19,
Pr.846 according to the load.
9999 Without torque bias, rated torque 100%
600 to
Negative torque bias amount (-400% to -
1%)
999%
1000 to
Positive torque bias amount (0% to 400%)
1400%
9999 Without torque bias setting
0 to 5s Time until torque rises.
9999 Same operation as when 0s is set.
Time for maintaining torque equivalent to
0 to 5s
the torque bias amount.
9999 Same operation as when 0s is set.
0 to 10V Set the voltage under balanced load.
9999 Same operation as when 0V is set.
0 to 400% Set the bias value of the torque command.
9999 Same as at a rise time (C16, C17).
0 to 400% Set the gain value of the torque command.
9999 Same as at a rise time (C18, C19).
0 to 100% Set the excitation ratio under no load.
All
Param Param
param
eter eter
eter
copy clear
clear
: enabled
× : disabled
×