58
Figure 53
Core (429)
The size of an empty core expressed as a percentage with respect to the maximum diameter.
If multiple size cores and/or maximum diameters are used, calculate using the smallest core
and the largest maximum diameter.
%
100
diameter
maximum
diameter
core
Core
×
=
Line Speed (430)
This signal will typically come from one of the analog or frequency inputs and should be
scaled to range from 0.00% to 100.00%.
Line Speed Sum (459)
This parameter provides a place to sum a signal with the
Line Speed
before it is multiplied by
the
Core
and divided by the
Diameter
. A typical use would be to sum in the output of the Aux
PI Block in order to proved dancer or loadcell trim.
Diameter Ratio (431)
This scaled diameter signal will typically come from one of the Analog Inputs, and should be
scaled with an empty Core to read 0.00%. With the maximum diameter roll, this signal should
read 100.00%.
Diameter (432, Read-Only)
The diameter expressed as a percentage of the maximum diameter. This value is calculated
from the
Diameter Ratio
and
Core
parameters.
Winder Speed (433, Read-Only)
The center driven speed of the winder/unwinder.
7.32 Applications Block -
CTCW (Constant Tension
Center Winder)
The CTCW block allows an
Elite Pro drive to provide
constant or taper tension
control without external
tension sensors. The CTCW
block provides a torque
reference output that is
composed of diameter torque,
inertia torque, friction torque,
and static friction torque.
Figure 54
Содержание Elite Pro EPN020-000
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