Science and technology

How to achieve error message for missing scan code

Using an industrial grade code reader, a photoelectric sensor can be added to the front-end IO interface to trigger the decoding of the code reader. Your product touches the photoelectric sensor, and the photoelectric sensor starts to decode the code reader.


If the code reader fails to decode after triggering. Output an NG signal to the dual color light to indicate an alarm


To determine the phenomenon of missing or heavily soiled codes that cannot be scanned

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