12-12-2006, 10:39 AM
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#1
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Registered Member
Join Date: Feb 2006
Posts: 73
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Quote:
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Originally Posted by landspeed
Does the SuperMID measure the changeover at e.g. 6V (which would mean it
will catch all the 12V-0V transitions), or does it measure the changeover at 12V (meaning that, if the voltage only changes between 0V and 11.9V, with tiny spikes up to 12.5V, would cause the problems seen in my case.
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The threshold of INJ wire voltage is about 0.7V.
The SuperMID detects logical "1" above it, 6V and 12V.
It detects logical "0" below it, 0V.
Edit: But, the current direction is improtant. The interface detects the INJ signal the current flow from the interface to the ground. The SPEED signal is opposite.
Yoshi
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