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Unread 26-03-2016, 22:08
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Al Skierkiewicz Al Skierkiewicz is offline
Broadcast Eng/Chief Robot Inspector
AKA: Big Al WFFA 2005
FRC #0111 (WildStang)
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Re: QS18VN6LP: Wiring Diagram???

According to data I read, the saturation of the output transistors in the Banner Sensor is typically 1.2 volts. That may not always be low enough to sensed by the 3.3 volt logic. I suspect that the opto-coupler is lower and that is why it works.
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Al
WB9UVJ
www.wildstang.org
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Storming the Tower since 1996.