ARTDrive V2 series - Instruction Manual Chapter 7 Appendix • 337
Dancer constant = (
D
Lx x2) 2
=(160x2)x2=640mm
M
Gear box ratio
D
L = 160mm
Winder/Unwinder Dancer
D
L
Electrical 0
Central position
of working
One pitch dancer
Upper limit
switch = +1000 count
Lower limit
switch = -1000 count
Figure 7.5.4: Outlining of the Dancer Constant Measurement
Dancer constant measurement:
Set the Drive keypad on the PID feed-back parameter.
Measure and multiply by 2 the distance in mm between the lower mechanical
limit switch and the Dancer position so that the value 0 (electric 0 position) is
displayed on the PID feed-back parameter. Being that the Dancer is made of
a single pitch, multiply by 2 the above calculated value.
In our case set:
Dancer constant = 640mm
Set Minimum diameter equal to the value of the winder minimum diameter
[cm]:
Minimum diameter = 10cm
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