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Calibration functions (Pr. 900 to Pr. 920)
3.41.2 Biases and gains of speed setting terminals
(speed setting terminal 2, torque command terminal 3, multi function terminal 1)
(Pr. 902 to Pr. 905, Pr. 917 to Pr. 920 )
*1 For calibration of forward/reverse rotation limit, PID control deviation and measured value.
*2 Factory settings may differ because of calibration parameters.
Adjust the biases and gains of the speed setting terminal 2, torque command terminal 3 and multi-function
terminal 1.
The "bias" and "gain" functions are designed to adjust the relationship between the 0 to 10V input signal,
which is externally input for the setting of output speed, torque or magnetic flux.
Parameter Name Factory Setting (*2) Setting Range Remarks
902 Speed setting terminal 2 bias 0V 0r/min 0 to 10V 0 to 3600r/min
Extended mode
903 Speed setting terminal 2 gain 10V 1500r/min 0 to 10V 0 to 3600r/min
904
Torque command terminal 3
bias
0V 0% 0 to 10V 0 to 400%
905
Torque command terminal 3
gain
10V 150% 0 to 10V 0 to 400%
917 Terminal 1 bias (speed *1) 0V 0r/min 0 to 10V 0 to 3600r/min
918 Terminal 1 gain (speed *1) 10V 1500r/min 0 to 10V 0 to 3600r/min
919
Terminal 1 bias
(torque/magnetic flux)
0V 0% 0 to 10V 0 to 400%
920
Terminal 1 gain
(torque/magnetic flux)
10V 150% 0 to 10V 0 to 400%
Parameter
Calibration
Terminal
Speed Command/Speed Limit
(Pr. 807, Pr. 868, Pr. 73)
Forward/
Reverse
Rotation
Speed
Limit
Torque
Magnetic
Flux
PID Control
(Pr. 128 to Pr. 134)
Speed
(main
speed+
auxiliary)
Compensation
input
Override
Magnetic
flux
command
Torque limit
(Pr. 810)
Torque
command
(Pr. 804)
Torque
bias
(Pr. 840)
Magnetic
command
Deviation Set point
Measured
value
902
terminal 2
(+terminal
1)
(terminal
1)
903
904
terminal 3
only
905
917
terminal 1
only
(Pr. 868)
918
919
(regenerative
torque limit
(Pr. 868))
(Pr. 868)
920
CAUTION
Torque command bias and gain can not be set by applying an external negative setting signal to the
torque command terminal 3 or 1.
speed torque position
Pr. 902
Pr. 903
0
Setting signal
10V
Factory setting
Gain
Bias
Output speed
(r/min)
(1500r/min)
Pr. 905
Pr. 904
Setting signal
10V
-10V
(150%)
Inclination is as set in
Pr. 904 (Pr. 917, Pr. 919)
and Pr. 905 (Pr. 918, Pr. 920).
Bias
Pr. 917
Pr. 918
Output speed
(r/min)
Torque
(%)
Gain
Pr. 919
Pr. 920
(1500r/min)