Quote:
Originally Posted by Alan Anderson
DO is the "Dark Output". It is active (i.e. connected to ground) when the sensor is looking at "dark", and inactive (i.e. allowed to float) when the sensor sees "light".
LO is the "Light Output". It is active when the sensor is looking at "light", and inactive when the sensor sees "dark".
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Just as a sanity check... Looking at the Wiring Diagrams for the NPN ouputs: Dark Output is the Black line and Light Output is the White line. Is that a correct statement?