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Continued from the last page.
Input method for line speed
For Pr. 765 Voltage reference for line
speed input, set an analog voltage
Line speed
which is input to the inverter when the
input
line speed reaches the set speed in
calibration
Pr. 766.
(Refer to page 33)
Calibrate the line speed for the line
input signal according to the input
method of the line speed.
Set winding diameters.
Pr. 720 Maximum winding diameter 1 =
"Maximum diameter"
Pr. 721 Minimum winding diameter 1 =
"Minimum diameter"
(Refer to page 35)
Set a sampling time for the winding
diameter calculation.
Winding
Pr. 707 Sampling time for winding
diameter
diameter calculation = "0.01 to 1s"
compensation
Pr. 786 Number of averaging for winding
setting
diameter calculation = "4"
(Refer to page 38)
Set the maximum magnitude of value
obtained from winding diameter
calculation per sampling.
Set Pr. 771 r-r' limit value (diameter)
according to the material rolled up.
(Refer to page 38)
Test run
REMARKS
If winding diameter compensation does not operate at low-speed operation, check the setting of Pr. 797 Rotation speed at winding diameter
calculated value activation (initial value is 3Hz).
Analog input
When Pr. 763 = "3,
4, 5 or 6"
For Pr. 764 Pulse reference for line speed
input, set a pulse frequency which is
input when the line speed reaches the
set speed in Pr. 766.
(Refer to page 33)
Set a reference value for the line feeding speed in Pr. 766
Line speed reference. (Refer to page 33 )
Enter the same setting unit as Pr. 766 in Pr. 767 Line speed
unit . (Refer to page 33 )
Extend the sampling time and
increase the averaging count to
reduce fluctuation of winding diameter
compensation.
Parameter setting procedure for dancer
control function
Pulse train input
When Pr. 763 = "1, 2 or 7"
Without line
speed input signal
When Pr. 763= "0"
3
21
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