01-13-2006, 05:48 PM
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#1 (permalink)
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Proven Member
From: Valencia - Venezuela, South America
Region: Southeast
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Datalogger MMCD, Wideband input??
I am using MMCD Version 1.8G...
In one of the sensor reading I have options like WB02, EGT, MAP, OIL T, FUEL......
So what I am wondering is if I get a Wideband like PLX. And I am wondering if I can input the reading of the Wideband into my logger. Either using the EGR T input or something else. What other input sensors can I use? Where do I plug it?
Here is a related link but didn't answer my question.
Thanks in advance,
Tito
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ALEX - 91' TSI AWD EvoIII.
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01-13-2006, 09:09 PM
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#2 (permalink)
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From: port royal, Virginia
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01-14-2006, 12:05 PM
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#3 (permalink)
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From: Valencia - Venezuela, South America
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Thanks, It gave me the Idea of Burn a function in the CHIP wich remplace my Narroband for a Wideband instead..... It can be done (the guy who burn the chip told me) but Now I have to figure out the wiring... 
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Last edited by titogs95 : 01-14-2006 at 07:17 PM.
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01-25-2006, 10:22 AM
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#4 (permalink)
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From: Valencia - Venezuela, South America
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For future reference:
If you are using MMCD 1.8G, You need to go to: Options> Preference>
Once you are in preference, You will see a the word EGRT next to it you can choose what value you are going to input. values like: 3.0 Bar, 2.5Bar, 2.0Bar, WBO2, EGRT & 0-5V.
Then all you need to do is Hook up the wire into the EGRT place. (I Think this is for Federal cars only, because CAlifornia cars may fail Emission :blahblah: )
NEW Problem...
I Finally got a WIDEBAND from PLX.....
I am using MMCD tool to download the logging. But, My problem is that it keep showing up as a EGR-TEMPERATURE instead of 0-5V from the wideband, Does any body has a Formula to convert it back to 0-5V or to AFR?
In my datalogger is in AFR or 0-5V, it is the mmcd Tool that keep converting it back to EGRT
TIA
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ALEX - 91' TSI AWD EvoIII.
Last edited by titogs95 : 01-26-2006 at 08:06 PM.
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01-26-2006, 08:13 PM
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#5 (permalink)
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From: Valencia - Venezuela, South America
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Nobody knows? Wiseman?
Anyway, does anybody know to whom I can email for Info? (whoever created this)
I tried to email to spoulson2@users.sourceforge.net (in is in the web site above). But the email is no longer working...
All I am wondering is at what Voltage certain Temperature has to be so I can come up with a formula. What is the heat range of the EGRT.....
Please Help me...
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01-31-2006, 05:42 PM
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#6 (permalink)
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Where do you get version 1.8g?
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Steve
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01-31-2006, 06:24 PM
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#7 (permalink)
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Quote:
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Originally Posted by Steve93Talon
Where do you get version 1.8g?
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link
scroll down....
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Last edited by titogs95 : 02-07-2006 at 11:10 PM.
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01-31-2006, 06:51 PM
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#8 (permalink)
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DSM Wiseman
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http://www.dsmtalk.com/forums/showth...ing+boost+mmcd
Just follow the same steps that I did when I hooked up a MAP sensor to let MMCD log boost. As long as your wideband has a 0-5 volt output, my writeup should work.
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02-07-2006, 10:27 PM
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#9 (permalink)
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Anyone using there MMCD to log their wideband and how do you like it? Since I already have a palm seems alot cheaper to log with it on there
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02-07-2006, 11:07 PM
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#10 (permalink)
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From: Valencia - Venezuela, South America
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Well I can log it and I like it so far. My only issue is that I can't transfer my A/F datat to my PC because it keep reading it as a EGR temperature. Other than that, It is great.
Soon, I will find a way to convert the data back to Voltage. As soon as I find out how much "x" temperature is in Voltage.
Hell yeah it is a cheap way....
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02-07-2006, 11:15 PM
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#11 (permalink)
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so it converts the 0-5v signal from the wideband to afr on the logger you just cant read that on the pc? Aslong as it converts it on the logger I should be ok with that for now. Thanks
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02-08-2006, 12:20 AM
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#12 (permalink)
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From: Valencia - Venezuela, South America
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Quote:
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Originally Posted by 93jdmlaser
so it converts the 0-5v signal from the wideband to afr on the logger you just cant read that on the pc? Aslong as it converts it on the logger I should be ok with that for now. Thanks
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Yeah for Now I can read it (it is not that hard to read) on the Logger as a A/F ratio or 0-5V.
But when I transfer the log to Excel. It convert the data automatically to Temperature. When I find a way to fix it. I will post it.
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02-08-2006, 08:51 AM
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#13 (permalink)
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Does the MMcD already have the built in scale to show the AFR from say 10:1 - 18:1? Or is it just showing the voltage output?
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02-08-2006, 09:23 AM
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#14 (permalink)
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Quote:
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Originally Posted by 1SloColt
Does the MMcD already have the built in scale to show the AFR from say 10:1 - 18:1? Or is it just showing the voltage output?
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Yes. Boths!
Link (Scroll down until it say SUMMARY OF CHANGES)
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09-20-2006, 02:38 AM
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#15 (permalink)
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From: Valencia - Venezuela, South America
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Quote:
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Originally Posted by titogs95
Yeah for Now I can read it (it is not that hard to read) on the Logger as a A/F ratio or 0-5V.
But when I transfer the log to Excel. It convert the data automatically to Temperature. When I find a way to fix it. I will post it.
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Finally, I got around doing a little table converting the numbers (EGR-T) to A/F ratio. I got it by reading it directly from my PDA. I kept changing between A/f ratio to EGR-T (Numeral) (It is an option in the MMCD software).
This is what I came up with. I hope it help for the future....
It is not perfect but it should do the Job.
LINK deleted. It won't Work.
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Last edited by titogs95 : 06-26-2007 at 03:59 AM.
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09-20-2006, 02:46 PM
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#16 (permalink)
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Quote:
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Originally Posted by titogs95
Finally, I got around doing a little table converting the numbers (EGR-T) to A/F ratio. I got it by reading it directly from my PDA. I kept changing between A/f ratio to EGR-T (Numeral) (It is an option in the MMCD software).
This is what I came up with. I hope it help for the future....
It is not perfect but it should do the Job.

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Since the mmcdTools is open source, I am in the process of changing some of those things so they show correctly in excel when it is converted.
I cant remember any of my programming stuff, so I have to have my roommate fix some of the programming errors in the posted src code.
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09-20-2006, 03:09 PM
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#17 (permalink)
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Quote:
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Originally Posted by sbiggi
Since the mmcdTools is open source, I am in the process of changing some of those things so they show correctly in excel when it is converted.
I cant remember any of my programming stuff, so I have to have my roommate fix some of the programming errors in the posted src code.
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Cool. That is a better solution for the problem.
Keep me updated.
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10-18-2006, 02:53 PM
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#18 (permalink)
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So it reads a perfect afr on your logger then right? also do i just follow his dsmtalk write up to the dot but hook up a wide band instead of a pressure sensor? also what about the LM-1? does it have inputs to plug into my ecu so my palm can read it? is this evne how i do it?
thanks
david
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David 1991 Eagle Talon TSI AWD
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05-15-2007, 06:05 PM
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#19 (permalink)
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Sorry to bring this thread up from the grave but is there a way to change the scale for the wideband on MMCD. My problem is that my LC-1 is alittle off from the MMCD scale. The AFR is not converted quite right. I could change the output of the wideband but I dont have a laptop right now. I would much rather change the MMCD scale. Any help would rock.
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05-15-2007, 10:06 PM
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#20 (permalink)
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From: Valencia - Venezuela, South America
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Quote:
Originally Posted by selmerguy
Sorry to bring this thread up from the grave but is there a way to change the scale for the wideband on MMCD. My problem is that my LC-1 is alittle off from the MMCD scale. The AFR is not converted quite right. I could change the output of the wideband but I dont have a laptop right now. I would much rather change the MMCD scale. Any help would rock.
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yeah. I wish there is an easy way through MMCD.
Something you can do is measure it by the 0-5 Volts. then calculate the A/R from Lc-1 website (2 page)
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The default analog outputs are as follows: Analog output one (yellow) is 1.1V = 14 AFR and .1V = 15 AFR. This is a simulated narrowband signal. Analog output two (brown) is setup as 0V = 7.35 AFR and 5V = 22.39 AFR.
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Per example=
2.5V should be 14.87
BRAINSTORM:
Something I saw in the Chilton book, is that EGR Temperature (In california's car) input is a variable resistance.
I wish I know what are the range values of the sensor.
According to MMCD is this -2.7x + 597.7 in F
As I said early in the thread: what volts are equal to what Temperature or raw data, to do an easy conversion formula.
BTW the part number is MD131905
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