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where do I find Photoelectric Sensors with internal heaters that I can use with a solar powered system?
the test buttons my control board are doing reverse actions - close button opens the gate and open button closes the gate. Can anyone tell me why?
where do I find Photoelectric Sensors with internal heaters that I can use with a solar powered system?
the test buttons my control board are doing reverse actions - close button opens the gate and open button closes the gate. Can anyone tell me why?