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No Sidewall Blank Detectors — Setup Procedure   SB 143.1

Service Bulletin: SB 143.1

Subject: No Sidewall Blank Detectors — Setup Procedure

Recommendations: 

SB143-1a

THE SIDEWALL BLANK DETECT SENSOR MUST DETECT EACH INDIVIDUAL SIDEWALL AS THEY PASS UNDER THE SENSOR. THE OUTPUT OF THE SENSOR (THE GREEN LED) MUST GO “ON” AND “OFF” AS EACH BLANK PASSES UNDER THE SENSOR.

SETUP:

SET THE FOUR DIP SWITCHES ON THE SENSOR IN THE “UP” POSITIONS AS SHOWN IN THE DIAGRAM ABOVE. NOTE: SOME MACHINES MAY HAVE THIS SENSOR MOUNTED UPSIDE DOWN.

THERE ARE TWO, 15 TURN TIME DELAY CLUTCH POTS ON THE SENSOR. TURN BOTH THE “DELAY ON” AND THE “DELAY OFF” POTS FULLY CCW (COUNTER-CLOCK-WISE). THE POTS ARE FULLY COUNTER CLOCKWISE AFTER 15 TURNS OR UNTIL A SLIGHT CLICK CAN BE HEARD INDICATING THAT THE DELAY IS SET FULLY OFF.

THERE IS ONE, ¾ TURN SENSITIVITY POTENTIOMETER. CAUTION: THIS IS NOT A CLUTCH POT THEREFORE OVERTURNING MAY DAMAGE THE POT. WITH A BLANK DIRECTLY UNDER THE PHOTOEYE, ADJUST THE SENSITIVITY POTENTIOMETER SO THAT THE RED “LED” JUST COMES “ON”.

WHILE MANUALLY SLIDING A BLANK UNDER THE PHOTOEYE, ADJUST THE “DELAY OFF” POT CW (CLOCK-WISE) WHILE OBSERVING THE GREEN OUTPUT LIGHT ON THE SENSOR. CONTINUE TO SLIDE THE BLANK IN AND OUT FROM UNDER THE PHOTOEYE WHILE TURNING THE “DELAY OFF” POT UNTIL THE GREEN OUTPUT LIGHT JUST BEGINS TO FLASH.

TEST UNIT BY MANUALLY SLIDING A BLANK UNDER THE PHOTOEYE. THE RED “LED” SHOULD TURN “ON” AND STAY ON WHILE THE BLANK IS UNDER THE PHOTOEYE, WHILE THE GREEN “LED” SHOULD ONLY FLASH “ON” WHEN THE BLANK IS PLACED UNDER THE PHOTOEYE. THE SENSITIVITY POT MAY NEED TO BE RE-ADJUSTED SLIGHTLY TO ACHIEVE THESE RESULTS.

 

SB143-1b

    1. CHECK DIP SWITCHES. BOTTOM SWITCH SHOULD BE SET ON LIGHT.
    2. THE TOP SWITCH IS FOR HI & LOW RANGE FOR SENSITIVITY CONTROL ADJUSTMENT.
    3. WHILE PASSING A BLANK UNDERNEATH THE EYE, SET SENSITIVITY SO THAT LIGHT COMES ON.

 

 

WHILE STILL PASSING BLANK THROUGH LIGHT, SET MOTION DETECTOR SO LIGHT DOES NOT GO OUT. (LOWEST SETTING WORKS BEST).