7. WEB Control Application
7-24
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
Rewind Unwind
Wind
Type
Items
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
Rewind Unwind
Wind
Type
Items
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