60
Diameter Memory Reset (447)
The diameter calculator provides a diameter memory function to maintain the speed based
diameter levels during stop. This allows the CTCW block to provide the required torque to
maintain constant/taper tension even when the line is stopped. When this parameter is True,
the diameter memory is reset.
Diameter Select (442)
Controls the method of diameter calculation. When set to Line/Winder, the
Line Speed
is
divided by the
Winder Speed
to determine the
Diameter
. The External Diameter Ratio option
should be used when an external device (such as a sonic measuring unit) is used to directly
measure the diameter.
Diameter (451, Read-Only)
The diameter expressed as a percentage of the maximum diameter. This parameter along
with the
Tension Demand
parameter is used to calculate the
Diameter Torque
.
Tension Setpoint (441)
Controls the level of tension applied to the material by the winder drive. This parameter along
with the
Tension Sum
,
Taper Diameter
and
Taper Percentage
is used to calculate
Tension
Demand
.
Taper Diameter (456)
In some cases, decreasing tension (taper tension) is desirable to prevent telescoping and/or
wrinkling of inner layers of material. The
Taper Diameter
parameter sets the diameter level at
which the decreasing tension level starts.
Taper Percentage (457)
Sets the amount of decreasing tension (taper tension). If no taper tension is desired, set to
0.00%.
Tension Demand (458, Read-Only)
The desired taper tension level. This value is used with the
Diameter
to calculate the
Diameter Torque
.
Diameter Torque (454, Read-Only)
In order to provide constant tension, the winder torque must increase proportionally to the
increase in diameter.
Total Torque (455, Read-Only)
The sum of the
Inertia Torque
,
Friction Torque
,
Static Friction Torque
,
Diameter Torque,
and
Torque Sum
parameters. The
Friction Torque, Static Friction Torque, Diameter
Torque
, and
Torque Sum
levels are first summed and limited to 100%. The
Inertia Torque
is then summed and the total is limited to 150%. This parameter should be linked to
Torque
Reference
and the
Drive Mode
set to Torque for proper operation.
Torque Sum (484)
This parameter provides an auxiliary summing point before the
Total Torque
is calculated. A
typical use would be to sum in a correction signal from the output of the PID block when
loadcells are used with the CTCW Calculator.
7.33 Parameter Tables
The following two tables lists all the Elite Pro parameters and their properties. Table 16 is sorted by
Tag Number and Table 17 is sorted by Parameter Name. ICR stands for
I
nhibit
C
hange while
R
unning
and identifies the parameters that cannot be modified while the drive is running.
Furthermore, RO indicates
R
ead-
O
nly
parameters.
Содержание Elite Pro EPN020-000
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