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Meaning of MAPSELO

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kommando

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Post 30 Oct 2016, 19:27

Meaning of MAPSELO

In the remapping of output options there is a selection called MAPSELO, is this the MAP input 5V eg MAP+ or MAP_S or something else. Just playing around with the box and trying things out so not critical at all.

I upgraded firmware from 4.3 to 4.4 successfully so its all working well so far.
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STC

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Post 30 Oct 2016, 20:48

Re: Meaning of MAPSELO

Hi, thank you for your question.
No, MAPSEL option is not related to MAP sensor. The meaning is "selection of lookup tables". Read this: http://secu-3.org/installation-manual-s ... g%20tables

One of free inputs can be remapped as MAPSEL0 and in conjunction with GAS_V input it can select between 4 set of tables. The truth table looks like this:
mapsel0-truth-table.png
mapsel0-truth-table.png (11.69 KiB) Viewed 1986 times
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kommando

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Post 30 Oct 2016, 21:17

Re: Meaning of MAPSELO

Very useful feature, so you have 4 switchable Maps, I know some racers who could use this in practise to see which suits that circuit best. I plan to use the normal 2 selectable Maps for high octane and low octane fuels.
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STC

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Post 30 Oct 2016, 21:43

Re: Meaning of MAPSELO

Yes.

I plan to use the normal 2 selectable Maps for high octane and low octane fuels.

In this case you need to use only GAS_V input
Author of the SECU-3™ project http://SECU-3.org. An open source engine control unit / Ignition control system, (C) 2007.
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