Technical > Wiring & Sensors

VDO 0-10 bar 2 wire sensor calibration

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Wolf_Tm:

--- Quote from: Kamuto on February 01, 2017, 04:48:26 pm ---
--- Quote from: Wolf_Tm on February 01, 2017, 02:15:13 pm ---
--- Quote from: Kamuto on January 31, 2017, 10:09:15 pm ---
--- Quote from: Wolf_Tm on January 31, 2017, 07:01:43 pm ---Hi,
really not able to get that VDO 0-10 bar 2 wire sensor working with VEMS ecu.
Tried the Wizard but readings are always at zero.

In Motec ecus I do use the same sensor with great results using both their internal or external pullups, and here is their cal table for it:
http://www.motec.com.au/filedownload.php/x07.pdf?docid=1314

Thanks

--- End quote ---
it should work, just it's not linear i believe so you wont get acurate results on that :)) use proper 3 wire sensor instead :)
even motec seems to use some kind of adapter for them :)

--- End quote ---



Their adapter is just a pull-up if you want to wire the sensor to an aux volt input pin, no need of the adapter of you connect it to an aux temp pin that already has internal pull-up.
I didn't use any pull-up with vems as I read it already has one internally... Correct?
So why wizard won't work?

--- End quote ---
depending on channel you use :) ones who are @5v unconected has 2.7k pullup, it's the sensor is dead or you are doing it wrong :)) does voltage changes on that analog input when pressure changes? :)

--- End quote ---


The sensor is on Channel 7, and the raw is 0.14 at hot idle and 0.24 at 2000 rpms, for example...

Wolf_Tm:

--- Quote from: Kamuto on January 31, 2017, 10:09:15 pm ---
--- Quote from: Wolf_Tm on January 31, 2017, 07:01:43 pm ---Hi,
really not able to get that VDO 0-10 bar 2 wire sensor working with VEMS ecu.
Tried the Wizard but readings are always at zero.

In Motec ecus I do use the same sensor with great results using both their internal or external pullups, and here is their cal table for it:
http://www.motec.com.au/filedownload.php/x07.pdf?docid=1314

Thanks

--- End quote ---
it should work, just it's not linear i believe so you wont get acurate results on that :)) use proper 3 wire sensor instead :)
even motec seems to use some kind of adapter for them :)

--- End quote ---

Hi Kamuto,
which 3 wire pressure sensor would you suggest with VEMS?
Thanks

Kamuto:

--- Quote from: Wolf_Tm on April 09, 2017, 09:13:19 am ---
--- Quote from: Kamuto on January 31, 2017, 10:09:15 pm ---
--- Quote from: Wolf_Tm on January 31, 2017, 07:01:43 pm ---Hi,
really not able to get that VDO 0-10 bar 2 wire sensor working with VEMS ecu.
Tried the Wizard but readings are always at zero.

In Motec ecus I do use the same sensor with great results using both their internal or external pullups, and here is their cal table for it:
http://www.motec.com.au/filedownload.php/x07.pdf?docid=1314

Thanks

--- End quote ---
it should work, just it's not linear i believe so you wont get acurate results on that :)) use proper 3 wire sensor instead :)
even motec seems to use some kind of adapter for them :)

--- End quote ---

Hi Kamuto,
which 3 wire pressure sensor would you suggest with VEMS?
Thanks

--- End quote ---

any linear one,  but I usually use that one, 06E906051K most reliable, 0.5-4.5v 0-10 bar

Wolf_Tm:

--- Quote from: Kamuto on April 09, 2017, 11:14:33 am ---
any linear one,  but I usually use that one, 06E906051K most reliable, 0.5-4.5v 0-10 bar

--- End quote ---


Thanks!

Wolf_Tm:

--- Quote from: Kamuto on April 09, 2017, 11:14:33 am ---
--- Quote from: Wolf_Tm on April 09, 2017, 09:13:19 am ---
Hi Kamuto,
which 3 wire pressure sensor would you suggest with VEMS?
Thanks

--- End quote ---

any linear one,  but I usually use that one, 06E906051K most reliable, 0.5-4.5v 0-10 bar

--- End quote ---


Hi Kamuto,
do you have the pinout of this transducer?
I can't sort it out, and I am almost afraid I got a faulty sensor!

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