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Parameter List
Parameter List
4
DRIVING THE MOTOR
Torque bias function
840
Torque bias selection
1 9999
0
Set the contact signal (X42, X43) based-torque bias
amount using Pr.841 to Pr.843.
1
Set the terminal 1-based torque bias amount as
desired in
C16
to
C19
. (forward rotation)
2
Set the terminal 1-based torque bias amount as desired
in
C16
to
C19
. (reverse rotation)
3
The terminal 1-based torque bias amount can be set
automatically in C16 to C19, Pr.846 according to the
load.
9999 Without torque bias, rated torque 100%
841
Torque bias 1
1% 9999
600 to
999%
Negative torque bias amount (-400% to -1%)
842
Torque bias 2
1000 to
1400%
Positive torque bias amount (0% to 400%)
843
Torque bias 3
9999 Without torque bias setting
844
Torque bias filter
0.001s 9999
0 to 5s Time until torque rises.
9999 Same operation as when 0s is set.
845
Torque bias operation time
0.01s 9999
0 to 5s
Time for maintaining torque equivalent to the torque
bias amount.
9999 Same operation as when 0s is set.
846
Torque bias balance
compensation
0.1V 9999
0 to 10V Set the voltage under balanced load.
9999 Same operation as when 0V is set.
847
Fall-time torque bias
terminal 1 bias
1% 9999
0 to 400% Set the bias value of the torque command.
9999 Same as at a rise time (C16, C17).
848
Fall-time torque bias
terminal 1 gain
1% 9999
0 to 400% Set the gain value of the torque command.
9999 Same as at a rise time (C18, C19).
—
849
Refer to Pr. 74.
850
Refer to Pr. 10.
853
Refer to Pr. 285.
Excitation ratio
854
Excitation ratio
1% 100% 0 to 100% Set the excitation ratio under no load.
Function assignment of
analog input terminal
858
Terminal 4 function
assignment
10
0 Frequency/speed command
1 Magnetic flux command
4 Stall prevention/torque limit
9999 No function
868
Terminal 1 function
assignment
10
0 Frequency setting auxiliary
1 Magnetic flux command
2 Regenerative torque limit
3 Torque command
4 Stall prevention/torque limit/torque command
5 Forward/reverse rotation speed limit
6 Torque bias
9999 No function
—
859, 860
Refer to Pr. 82.
Notch filter
862
Notch filter time constant
100 to 60
You can use the mechanical resonance speed to
make this setting to reduce the response level of the
mechanical resonance frequency band, avoiding
mechanical resonance.
863
Notch filter depth
10
0 Deep (-40dB)
1 ↑ (-14dB)
2 ↓ (-8dB)
3 Sharrow (-4dB)
Func
t
ion
Parameter
Name
Incre
ments
Initial
Value
Range Description
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parameters
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