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Home > Help Needed / General Tech Chat > dataloging rover iat tps oil temp (innovate lm1)

fab

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I would like to log these thru innovate dataloger,
rover ones because I have them, could you help me to find values, searched on the net but, nothing.

Fabrice.

Edited by fab on 13th Jun, 2008.


Paul S

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You will need the Innovate LMA-3 and convert the signals to 0-5v.

The LMA-3 provides a 5v supply, so you will need some resistors in series with the sensors.

Edited by Paul S on 13th Jun, 2008.

Saul Bellow - "A great deal of intelligence can be invested in ignorance when the need for illusion is deep."
Stephen Hawking - "The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge."


fab

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I've a lma-2 my 5v supply is from a separate usb power supply, so don't need auxbox , though I'll certainly upgrade in future.
Why will I need a resistor in series with sensor, don't are they built to be read through 5v and ground


Paul S

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You will need a load resistor in series with the sensor. The voltage between the load resistor and the sensor is what you need to measure.

There is some useful info in the Innovate Logworks manual available from their download site.

Saul Bellow - "A great deal of intelligence can be invested in ignorance when the need for illusion is deep."
Stephen Hawking - "The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge."


fab

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thanks, what about current/temp value ?


fab

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~ didn't read this one, should have started there , seem more complicated... good night in perpective


Paul S

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On 13th Jun, 2008 fab said:
thanks, what about current/temp value ?


The actual Rover sensor tables seem to be unavailable. The question has been asked several times but I've still not seen any.

I use values for the equivalent Bosch sensors and they seem very close. It depends how close you want to be to the real figure or whether you just need relative values.

Saul Bellow - "A great deal of intelligence can be invested in ignorance when the need for illusion is deep."
Stephen Hawking - "The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge."


fab

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thanks Paul, don't really need 1° acurate value, but "seem very close" is a bit foggy, an other chap on the board have tested them, I let a message , hope he'll send a mail with the table.
Which resistor value have u used, I have a lot to do, it could save me some time,
and do you know which sensors Robert is using ?


robert

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bonjour fabrice !
i have only used the temperature sensor wire that comes with the aux box , i have not done any ait stuff .

Medusa + injection = too much torque for the dyno ..https://youtu.be/qg5o0_tJxYM


Paul S

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On 14th Jun, 2008 fab said:
Which resistor value have u used


I can log the CLT & IAT temperatures through Megasquirt, so have not actually done it myself.

I'm using Innovate TC-4 with thermocouples for the CHTs and EGTs.

You need a resistor same value as the mid range of the sensor, so if the sensor is 2.5kOhms at 20 deg C, a 2.5kOhm resistor will give 2.5v at 20 deg C, assuming a 5v input.

Edited by Paul S on 14th Jun, 2008.

Saul Bellow - "A great deal of intelligence can be invested in ignorance when the need for illusion is deep."
Stephen Hawking - "The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge."


fab

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thanks,
I mesured my sensors resistance,iat and water one have the same curves:
120°: 0.13
100°: 0.19
80° : 0.35
60° : 0.56
40° : 1.18
ambiante is 2.250
will mesure 20 &0 domani

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