Chapter 6 Installation and Initial Operation Alpha Compact 32708612
Version: 14.12.2012 page 42 of 135
Sensitivity Adjustment
The following description deals with a light barrier with reflector [type: Wenglor
LD86NCT3] and a reflective light sensor [type: Wenglor HD12PTC ] (s. Fig.: 6-5 ). Please
fix reflective light sensor or rather light barrier and reflector before you perform the follow-
ing adjustments. You will find notices regarding correct positioning of the sensor on the
following pages of this chapter. Perhaps the positioning of the sensor has to be adapted to
the original products.
Subsequently the light barrier`s sensitivity adjustment as well as the light sensors` are ex-
plained because both variants are adjusted identically.
Fig.: 6-5 Adjustment Reflective Light Sensor
No. Description
1 SENSOR-CONNECTION LINE
2 TEACH-BUTTON
3 LED RED DIRT STATUS DISPLAY
4 LED YELLOW SWITCHING STATUS DISPLAY
5 ALIGNMENT OF SENSOR / NOT CORREKT
6 REFLECTOR AT LIGHT BARRIER; RESP: PRODUCT AT LIGHT SENSOR
7 ALIGNMENT OF SENSOR / CORRECT
Requirements
Product supply is stopped.
Labeler is switched-on.
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