Data Logging?
Jul 31, 2006, 10:22 PM
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Data Logging?
I'm wondering what program/cable/laptop/palm is the best for OBD2 datalogging?
I'm very new to tuning (need a carb or points adjusted give me a call, but this is new to me)
And I'd like to be able to see knock, codes, all that kind of good stuff. I know I'm not anywhere near experienced enough to start changing values, I would just like something to show me whats going on with the car, and clear codes.
I REALLY wish I could get an Interceptor for the Evo, I love that thing, but I don't think they make one for any evo
I'm very new to tuning (need a carb or points adjusted give me a call, but this is new to me)
And I'd like to be able to see knock, codes, all that kind of good stuff. I know I'm not anywhere near experienced enough to start changing values, I would just like something to show me whats going on with the car, and clear codes.
I REALLY wish I could get an Interceptor for the Evo, I love that thing, but I don't think they make one for any evo
Jul 31, 2006, 10:38 PM
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Originally Posted by Silk
Tactrix cable-$85
Evoscan-$15
You can also tune your factory ECU with the cable and the free ECUflash software
Evoscan-$15
You can also tune your factory ECU with the cable and the free ECUflash software
Where can I pick up evoscan?
Jul 31, 2006, 10:42 PM
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i'll be ordering the cable this week as well, but i was wondering what kind of sampling rate the obd2 connection offers? from my understanding it is **** slow and any data you can collect from it would be worthless. sampling rates of at LEAST 10 hz of everything would be ideal. for many things, even faster would be needed to filter anything properly. i'm used to recording at 500Hz and averaging 5 or 10 samples together for a 50-100hz output. that was more then enough for most tuning. i highly doubt the OBD2 can transfer data that quickly to the PC... but you never know.
Jul 31, 2006, 10:48 PM
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Ahh, found it.... http://forums.openecu.org/viewtopic....er=asc&start=0
1 last question, what kind of lappy do you think I'll need for good, real-time logging? I've sunk about 6k into my desktop, and would like to get off cheap on the laptop, since its ONLY function will be in the evo, and maybe looking at evolutionm.net in the living room
1 last question, what kind of lappy do you think I'll need for good, real-time logging? I've sunk about 6k into my desktop, and would like to get off cheap on the laptop, since its ONLY function will be in the evo, and maybe looking at evolutionm.net in the living room
Aug 1, 2006, 01:30 AM
#7
Originally Posted by KevinD
i'll be ordering the cable this week as well, but i was wondering what kind of sampling rate the obd2 connection offers? from my understanding it is **** slow and any data you can collect from it would be worthless. sampling rates of at LEAST 10 hz of everything would be ideal. for many things, even faster would be needed to filter anything properly. i'm used to recording at 500Hz and averaging 5 or 10 samples together for a 50-100hz output. that was more then enough for most tuning. i highly doubt the OBD2 can transfer data that quickly to the PC... but you never know.
http://www.limitless.co.nz/EvoScan/
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Aug 1, 2006, 01:49 AM
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Originally Posted by Mekanic
1 last question, what kind of lappy do you think I'll need for good, real-time logging? I've sunk about 6k into my desktop, and would like to get off cheap on the laptop, since its ONLY function will be in the evo, and maybe looking at evolutionm.net in the living room
Aug 1, 2006, 11:40 AM
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Originally Posted by Evo_Kid
with a regular OBD2 cable and logger is very slow, but with the Tactrix cable and EVOscan it a lot faster. It says 100-180 sample/sec on the webpage.
http://www.limitless.co.nz/EvoScan/
http://www.limitless.co.nz/EvoScan/
Aug 2, 2006, 06:29 AM
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Originally Posted by Mekanic
nother bump.
Still trying to figure out what the specs on the lappy need to be in order to get smooth logging, and the like.
Still trying to figure out what the specs on the lappy need to be in order to get smooth logging, and the like.
Supported Operating Systems:
1) Windows XP SP2
2) Windows Server 2003 SP1
3) Windows Vista Beta 2
Laptop Requirements:
Requires installation of Hardware Cable - USB FTDI drivers (installed with ecuflash, or download from http://www.ftdi.com/
Requires installation of Microsoft .NET Framework v1.1
Basically if the laptop can run Windows XP fine, then the software will also be fine.
Since EvoScan v0.8 the software runs really fast even on 500Mhz machines.
To get maximum speed - Disable Log To Screen, and Enable Logging Superspeed.
Less effect is noticed on 2000ghz laptops with a/c power, but slower laptops or laptops running off the battery benefit a lot of speed!
1) Windows XP SP2
2) Windows Server 2003 SP1
3) Windows Vista Beta 2
Laptop Requirements:
Requires installation of Hardware Cable - USB FTDI drivers (installed with ecuflash, or download from http://www.ftdi.com/
Requires installation of Microsoft .NET Framework v1.1
Basically if the laptop can run Windows XP fine, then the software will also be fine.
Since EvoScan v0.8 the software runs really fast even on 500Mhz machines.
To get maximum speed - Disable Log To Screen, and Enable Logging Superspeed.
Less effect is noticed on 2000ghz laptops with a/c power, but slower laptops or laptops running off the battery benefit a lot of speed!