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Author Topic: Ignition cut rev limiter me7  (Read 44855 times)
BlackT
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« Reply #105 on: September 17, 2019, 12:56:55 AM »

Did you look at the FR? One glance will answer that question
I forget that... But now when I looked, the NMAX is not fuel cut. That is RPM boundry above the ECU try to lover down RPM by reducing fuel,load, throotle plate etc.
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fluke9
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« Reply #106 on: October 28, 2019, 07:31:51 AM »

DNMAX should be for hysteresis purposes.

(D) = delta?

You dont switch exactly at value but you switch off at (value + hysteresis) and switch on at value.

This is better understandable for a digital output which controls a relay when you for example monitor temperature and enable a fan to cool,
you dont want to switch on >= 100 degrees and off < 100 degrees as you might get in really nasty loop at exactly 100 degrees constantly turning of and on very fast.
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BlackT
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« Reply #107 on: October 28, 2019, 12:59:42 PM »

I know what ia hysteressis, only quesstion was what it shout down in ECU, but all are answers are in FR  Wink
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