Operation
The MICRO 4000 NET may be configured for a wide variety of applications, but most
configurations share the same basic operating procedure:
1) Press the SERVO-CENTER button and wait for the web guid
e to drive to the center of travel.
2) Thread the web through the machine.
3) Position the sensors.
One edge detector: Pla
ce the detector near the edge of the web. Move the detector towards
the web until its null indicator LED turns off. Note: The scribed lines on the edge detector
indicate the approximate location of the detector’s guide point.
Two edge detectors (centerline guiding): Pre
ss the EDGE A button. Place detector A near
the edge of the web. Move detector A towards the web until its null indicator LED turns off.
Press the EDGE B button. Place detector B near the opposite edge of the web. Move
detector B towards the web until its null indicator LED turns off. Note: The scribed lines on
the edge detector indicate the approximate location of the detector’s guide point.
Digital line guide: Po
sition the sensor so that it is approximately centered over the
registration line or edge. When it is positioned correctly an indicator dot will appear in the
display under the line or edge you want to track. Refer to page
60 for more information about
operating the
line guide.
4) Press the EDGE A, EDGE B, or LINE bu
tton. For Centerline mode (centerline guiding), press
the EDGE A and EDGE B buttons simultaneously.
5) Press the AUTOMATIC button. The syst
em will now guide the web.
Scribe mark Scribe marks
Null indicator Null indicator
Move detector until
null indicator turns off Web Web
PointSource detector WideArray detector
Centerline guiding with WideArray detectors
MICRO 4000
NET Web Guide Control System
10
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