Transparent-Object Sensors with Patented UV Technology for Reliable Detecting and Precise Counting of Clear Plastic Trays
During automatic packaging of fast-moving merchandise in managed conditions, thermoforming lines manufacture transparent plastic tray bases.
Sensors ought to sense the presence of every set of transparent trays after it is formed, beginning the next operation and, optionally, starting a counting circuit. Optionally, a sensor ought to additionally increment a counter as every set of trays passes the detection status.
Photoelectric sensors using visible-light sources are inappropriate. A solution is needed that optimizes performance through preventing manual intervention between batches.
The transparent-object reflex sensor with UV LED-light supply is ideally designed for this application. As every set of trays breaks the reflected ultraviolet beam, it activates the sensor.
Their set up and also positioning sensors and reflectors are simple.
An industry-standard PNP generally open output guarantees most efficient flexibility. Furthermore, IO-Link is enabled on PNP versions at no extra cost. Another output signals an alarm in the occasion of decreased sensitivity, showing the need for preventative maintenance earlier than any performance degradation happens.
Robust sensor construction, featuring small plastic housings with M8 connectors, warrants dependable operation. Their detection range is up to 1200 mm. Sensitivity data is saved on the sensor’s memory and can be retrieved remotely through IO-Link.
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