How do I log boost with a 4 bar MAP sensor

[turboavery]

I have the Innovate MTS-D Boost gauge PN 3851. I tapped into the signal wire to read boost but there is no selection for a 4 bar map sensor. Its reading, but its off 2-3 pounds. Is there a software update for this or some other way to off set the reading so I can log properly? I hate to buy another MAP sensor when the gauge has a 4 bar with it. Thanks for any help.

 

[EricM]

There is no selection for a 4 bar sensor.

However, you can set up a custom input by connecting the MAP to input 4 or 5, then edit the parameters in the PLC.INI file using windows notepad. For input 4, you would edit the section "CustomAnalog4"

You would edit the section so it that looks something like this:

[CustomAnalog4]
CustomAnalog4Name=4BarMAP
CustomAnalog4LongName=4BarMAP
CustomAnalog4Tag=4BarMAP
CustomAnalog4GaugeMin=-14.5
CustomAnalog4GaugeMax=43.5
CustomAnalog4GraphMin=-14.5
CustomAnalog4GraphMax=43.5
CustomAnalog4MinValue=-14.5
CustomAnalog4MaxValue=43.5
CustomAnalog4MinVolt=0.10
CustomAnalog4MaxVolt=5

That would be for PSI reading, but you could set it up for kPa instead if you wanted. Also, I'm not sure what the volt range is for your sensor. You might have to experiment with it.

 

[turboavery]

Thank you Eric, that's exactly what I was looking for!!