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—————— Instruction manual ——————
347
Base omega
Value in [rpm] corresponding to the maximum angular speed of the winder/unwinder
(motor shaft side).
Vp=
π
x
Φ
min x
ω
x R
where :
Vp= peripheral speed
Φ
min=winder minimum diameter (mm)
ω
= motor angular speed
R =reduction ratio
ω
=Vp/
π
x
Φ
min x R=400/(3.14 x 0.1 x 0.5)=2547rpm
Base omega =set 2547rpm.
Ref speed thr
Line speed detecting threshold in %.
When “Line speed” is lower than “Line speed thr” the diameter calculation is disabled.
When “Line speed” is higher than the threshold, the diameter calculation is enabled with
an initial filter corresponding to
Diam init filter
for the time set in
Diam stdy delay
.
At the end of this time the filter is set to
Diam filter
.
Maximum line speed =400m/min . Line speed thr=5% (the diameter calculation is
automatically enabled at 20m/min).
Setting of the parameters in the SPEED DEMAND menu
PARAMETERS
OPTION Menu
————> Torque winder
————> Speed demand
Speed demand En
Enabling of the speed reference calculation; set
Enable
Winder side
Selection of the winding/unwinding side. Selection to be carried out only if the digital
inputs are not set.
0 =up,
1 =down
W gain
Setting of the speed reference gain used for the loop saturation. Parameter given as a
percentage of the increase/decrease of the angular speed reference.
W gain
=30% (set this starting value)
W offset
Offset setting on the speed reference for the winder/unwinder initial phase with a stopped
line. Parameter in [rpm].
W offset
=50rpm (check with the material)
Offset acc time
Setting of the initial phase ramp with a stopped machine. Parameter in [s]. The acc time
refers to the parameter
speed base value
W target
Parameter number which the speed reference has to be addressed to. In order to obtain the
real number to be set it is necessary to add +2000H (8192 decimal) to the parameter number.
W target
: set 2 as a speed reference:
OPTION Menu
————> Torque winder
————> Speed demand
————> W target = 8235
Paragraph 10.2.
“List of the high priority parameters’
shows that
Speed ref 2
has the
decimal number 43. In order to obtain the value to be entered add 8192 decimal (fixed
offset): 8192 + 427 = 8235
Содержание TPD32-EV-...-2B
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