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 Post subject: Reading the O2 Voltage from wideband kit in Romraider
PostPosted: Tue Dec 06, 2016 7:07 am 
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Joined: Tue Apr 29, 2014 12:48 am
Posts: 723
I can successfully read the AFR using RomRaider from my Innovate Motorsport kit. instead of the AFR how can I read the voltage?

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 Post subject: Re: Reading the O2 Voltage from wideband kit in Romraider
PostPosted: Tue Dec 06, 2016 7:37 am 
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I can see that I can change the AFR to Lambda in the logger, so the conversion is happening in the logger, is there a specific XML file to change and read the voltage instead of AFR?

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 Post subject: Re: Reading the O2 Voltage from wideband kit in Romraider
PostPosted: Tue Dec 06, 2016 8:35 am 
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Joined: Fri Feb 25, 2011 5:27 pm
Posts: 367
Location: Romania
You should verify the Innovate Motorsport kit if it returns voltage values or Lambda via the (serial?) output you are using ... I presume the conversion from voltage to something else/lambda is done by the innovate controller ... and it gives you lambda ...

http://www.innovatemotorsports.com/supp ... %201.2.pdf for example, page 9 onwards ...


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 Post subject: Re: Reading the O2 Voltage from wideband kit in Romraider
PostPosted: Tue Dec 06, 2016 11:13 am 
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thanks, I have read that. Gauge is set to display AFR, and in ROMraider you can choose between AFR or Lambda on a different type of Gasoline. so where is this conversion happens?

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 Post subject: Re: Reading the O2 Voltage from wideband kit in Romraider
PostPosted: Tue Dec 06, 2016 12:15 pm 
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Joined: Fri Feb 25, 2011 5:27 pm
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Location: Romania
I presume the conversion from voltage to something else/lambda is done by the innovate controller ... you can try monitor what data are you getting on the serial port ...


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 Post subject: Re: Reading the O2 Voltage from wideband kit in Romraider
PostPosted: Tue Dec 06, 2016 6:03 pm 
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Yes, that's correct, but how to use the linear equation in RR to convert it back to Volts? this is specifically my question.

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 Post subject: Re: Reading the O2 Voltage from wideband kit in Romraider
PostPosted: Wed Dec 07, 2016 5:21 am 
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Joined: Fri Feb 25, 2011 5:27 pm
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Location: Romania
you can setup a formula in excel to convert AFR to volts ... after you log is saved

I don't think it's possible to modify the conversion unit for your external sensor in romraider logger (that would be another option)

or maybe you can read your sensor with the phidgetinterface where you can change the conversion unit , something like here
http://www.romraider.com/forum/viewtopi ... 4&start=30


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 Post subject: Re: Reading the O2 Voltage from wideband kit in Romraider
PostPosted: Wed Dec 07, 2016 6:22 am 
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okay, thanks Andea79. I am already using Excel, I wish I can directly read it.

the purpose of this is to match the Vout analogue AFR, I am logging the AFR using the rear o2 sensor voltage. the gauge is correct because of its matching the Front o2 sensor perfectly. but the analogue voltage logged is fluctuating a lot. it looks like the Gauge has sort of filter or averaging the data out.

http://www.datazap.me/u/welaish/o2?log=0&data=2-3

http://www.datazap.me/u/welaish/fca?log=0&data=1-21

zoom in for more details.

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 Post subject: Re: Reading the O2 Voltage from wideband kit in Romraider
PostPosted: Wed Dec 07, 2016 9:40 am 
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Joined: Wed May 20, 2009 9:49 pm
Posts: 5659
Location: Canada eh!
To get volts from the Innovate external plugin would require a code change to the plugin.
It would be easier for you to add to the Logger Def formula for the rear O2 sensor volts and create an AFR conversion, this way you can line up your two AFR measurements.


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 Post subject: Re: Reading the O2 Voltage from wideband kit in Romraider
PostPosted: Wed Dec 07, 2016 11:09 am 
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Joined: Tue Apr 29, 2014 12:48 am
Posts: 723
dschultz wrote:
To get volts from the Innovate external plugin would require a code change to the plugin.
It would be easier for you to add to the Logger Def formula for the rear O2 sensor volts and create an AFR conversion, this way you can line up your two AFR measurements.


Ahh, I though it's in an XML file. got it thanks, I appreciate your reply.

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