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Unread 27-01-2015, 08:20
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Re: Photoeye's not working-Difference between RoboRIO and Digital Side Card?

Quote:
Originally Posted by tr6scott View Post
Sensor Cut Sheets, DS18 non-working, T18 working.
The suspicious difference I see is the "ON-state saturation voltage".
DS18: < 1.6V @ 100 mA
T18: < 1V at 10 mA dc, < 1.5V at 100 mA dc

Perhaps the roboRIO input's logic 0 threshhold is too low for the DS18 to satisfy without assistance. When I get to the workshop on Wednesday I plan to do some experimentation.