—————— Instruction manual ——————
341
Automatic switching
This sequence carries out an automatic switching between two coils during a winding/unwinding period.
Diam calc Dis
Spd match compl
(digital output)
Diam reset
Torque winder En
Speed match
Start (drive)
Figure 6.17.10: Automatic switching between two coils during a winding/unwinding period
a) Commands referring to the old coil:
During the star rotation phase it is advisable to disable the diameter calculation of the coil functioning as
Diam calc dis
= 1 in order to avoid errors in the diameter calculation.
b) Commands referring to the new coil:
Initialize the diameter value as stated above.
Enable the command
Speed match
,
Torque winder en
and give the start command to the drive. The motor
will increase the coil speed till a peripheral speed has been reached which corresponds to the line speed for
Spd match gain
with the ramp set to
Spd match acc
. After reaching such speed, the drive indicates the end
of the launching phase with the parameter
Spd match compl
.
Disable the command
Spd match
simultaneously to the switching between the two coils.
Enable the diameter calculation:
Diam calc dis
= 0.
Reel stop
This sequence is used to stop the ended reel after carrying out the automatic switching.
Disabled the diameter calculation
Diam calc Dis
= 1 and Start command. The reel will decrease up to zero
speed with the time set on
Spd match dec
.
At speed = 0 disabled
Torque winder en
.
Содержание TPD32-EV-...-2B
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