7. WEB Control Application
7-24
tension of the fixed roll using Bridle Roll or Nip Roll
while set to “Unwind” in case of unwinding the web as in the
Unwinder.
Function
Code
Loader Display
Name of Function
Set Range
Unit
Factory
Default
WEB_17
Re/Un Wind
Rewind/Unwind Setting
Rewind
Unwind
Rewind
2) WEB_18 O/U Wind : Overwind/Underwind Setting
There are two methods in case of winding or unwinding the web with Winder or Unwinder. First, to wind or
unwind the web from up to down centered on the roll. Second, to wind or unwind the web from down to up
centered on the roll. This function is the code deciding the way of winding or unwinding the web. According to the
set value of the function code, the motor rotating direction is decided. The following figure and the table show the
direction of line speed command, PID output command, and splicing command according to WEB_17 Re/Un Wind
and WEB_18 O/U Wind settings.
Function
Code
Loader Display
Name of Function
Set Range
Unit
Factory
Default
WEB_18
O/U Wind
Overwind/Underwind Setting
Overwind
Underwind
Overwind
Wind
Type
Items
Rewind
Unwind
Overwind
Underwind
Overwind
Underwind
Line Speed direction
Positive
Negative
Positive
Negative
PID direction
Positive
Negative
Negative
Positive
Splicing direction
Positive
Negative
Negative
Positive
Table 1. Line Speed, PID and Splicing Direction in case of Forward Direction Command
Wind
Type
Items
Rewind
Unwind
Over wind
Under wind
Over wind
Under wind
Line Speed direction
Negative
Positive
Negative
Positive
PID direction
Negative
Positive
Positive
Negative
Splicing direction
Negative
Positive
Positive
Negative
Table 2. Line Speed, PID and Splicing Direction in case of Reverse Direction Command
Line Speed, PID direction according to the Command and Function Code
Run command (Forward : 1, Reverse :0 )
Winder Type (Overwind:1, Underwind :0)
Control Type(Rewind : 1, Unwind :0)
Line Speed direction
PID direction
Direction of PID output, Line Speed
Содержание LSLV-iV5 Series
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