VEMS Community Forum

Technical => Wiring & Sensors => Topic started by: Wolf_Tm on January 31, 2017, 07:01:43 pm

Title: VDO 0-10 bar 2 wire sensor calibration
Post by: 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
Title: Re: VDO 0-10 bar 2 wire sensor calibration
Post by: Kamuto on January 31, 2017, 10:09:15 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
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 :)
Title: Re: VDO 0-10 bar 2 wire sensor calibration
Post by: Wolf_Tm on February 01, 2017, 02:15:13 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
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 :)



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?
Title: Re: VDO 0-10 bar 2 wire sensor calibration
Post by: Kamuto on February 01, 2017, 04:48:26 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
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 :)



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?
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? :)
Title: Re: VDO 0-10 bar 2 wire sensor calibration
Post by: Sprocket on February 02, 2017, 01:46:33 pm
Only channel 6 and 7 have internal pull up.

Channel 0, 1, 2 and 5 are 0-5v input (no pull up)

Channel 3 and 4 reserved for EGT1 and EGT2

Not all are connected to EC18 and will depend on your box. Check your cheat sheet that came with your box.

I would agree with Kamuto, use a three wire transducer (+5v, Ground and signal).These type of transducers have a signal conditioning circuit built into them, this will give a 0.5-4.5v linear output. No pull up required as the transducer outputs a voltage signal, rather than a ground signal.
Title: Re: VDO 0-10 bar 2 wire sensor calibration
Post by: Wolf_Tm on March 25, 2017, 08:12:14 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
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 :)



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?
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? :)


The sensor is on Channel 7, and the raw is 0.14 at hot idle and 0.24 at 2000 rpms, for example...
Title: Re: VDO 0-10 bar 2 wire sensor calibration
Post by: Wolf_Tm on April 09, 2017, 09:13:19 am
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
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 :)

Hi Kamuto,
which 3 wire pressure sensor would you suggest with VEMS?
Thanks
Title: Re: VDO 0-10 bar 2 wire sensor calibration
Post by: Kamuto on April 09, 2017, 11:14:33 am
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
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 :)

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

any linear one,  but I usually use that one, 06E906051K most reliable, 0.5-4.5v 0-10 bar
Title: Re: VDO 0-10 bar 2 wire sensor calibration
Post by: Wolf_Tm on April 10, 2017, 07:32:49 am

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


Thanks!
Title: Re: VDO 0-10 bar 2 wire sensor calibration
Post by: Wolf_Tm on October 05, 2017, 07:17:35 pm

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

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


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!