59
Inertia Compensation (449)
Additional torque is required by the winder drive when the line is accelerating. This parameter
is used in conjunction with
Line Speed
to control the amount of additional
Inertia Torque
.
Inertia Torque (454, Read-Only)
The amount of additional torque supplied to the winder drive when the line is accelerating.
Friction Compensation (448)
Torque is required to overcome the dynamic friction in the mechanics of the drive train.
Friction loading typically increases with speed. The amount of
Friction Torque
is controlled
by
Friction Compensation
and
Line Speed
.
Friction Torque (453, Read-Only)
The amount of torque supplied to the winder drive proportional to line speed.
Static Friction Torque (462)
Torque is required to overcome the static friction in the mechanics of the drive train. This
parameter sums with all the other torque signals to produce the
Total Torque
signal.
Line Speed (443)
An external analog or frequency signal proportional to the speed of the line is typically linked
to this parameter.
Line Speed
is used in calculating
Inertia Torque
and
Friction Torque
.
The scaling of the analog or frequency input should be set so this parameter reads 0.00%
when the line is stopped and 100.00% at full line speed.
Winder Speed (463)
The winder speed feedback. Typically this signal is linked from
Velocity Feedback
in the
Velocity Loop block. This signal is used along with the Line Speed to calculate
Diameter
. It is
only used when the Line/Winder method of diameter calculation is selected by
Diameter
Select
.
100% Winder Speed (444)
This parameter defines the 100% level of the
Winder Speed
and is only used when the
Line/Winder method of
Diameter
calculation is selected by
Diameter Select
.
Scaled Winder Speed (452, Read-Only)
The center driven feedback speed of the winder. This parameter is used to calculate
Diameter
along with
Line Speed
when
Diameter Select
is set to Line/Winder.
Diameter Ratio (445)
This parameter is used only when
Diameter Select
is set to External Diameter. 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%.
Core (446)
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
×
=
Summary of Contents for Elite Pro EPN020-000
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