Q&A Forum
This seems really simple but I can't figure it out.
We purchased a water brake valve, standard V5 logger, Water/Oil temp thermistor, RPM pickup and trigger wheel to update a Stuska dyno.
All the install has gone well except we can't seem to figure out the thermistor connection.
Picture of sensor kit in the webshop shows the 2 pin connector like would fit AUX ports.
It seems like it should be a simple connect to AUX1 and load Ramp file.
If I use the standard Thermistor Ramp file we see, it pops a window telling me there is a pullup resistor for the AUX that can be enabled.
But I can't find way to set pullup up. I believe it has V3.3.71 software but I can't confirm right now, it is in hangar no internet access.
It gives a temp of ~380f connected straight to AUX if we use 5v it reads about 85f (20 high)
If I use the LS2 Ramp file error is less but still off.
I figured if I bought sensor from YourDyno it would be set to use.
Do I need resistor? if so what value is Ramp file set for?
Everything else is super, beautiful parts, good documentation, control valve install has gone well.
Ideas please, Thanks Chris
Hi,
Open the box, move the pullup jumper.
Thank you, obvious! years of sealed electronics had me looking for software solution.
I have thermistor basically working now with the jumper in place.
But it reads low, about 14% or so.
I have it on an old Stuska dyno with a mechanical gauge and a T/C connected to the original PowerPro Stuska logger.
Also verified temp with Fluke T/C. There is about 1% variation between those 3 sensors.
I have tried "YourDyno thermistor DegC.rmp"
Is there a different Ramp file I need? or shall i just write my own?
If I freeze and boil my sensor, can I just assume the curve shape is same and just offset the points i find in existing ramp file?
Thanks Chris
Hi,
Here is the rmp file for the YourDyno thermistor for use with the YourDyno standard: https://yourdyno.com/Y
I will add all the variations to the next software release so it is easier to select.
https://yourdyno.com/ https://yourdyno.com/ YourDynoThermistorDegF_Standard.rmp
I am having a little trouble with the links, some of them are not quite right
I am getting error 404
Seems a space has snuck into the links there, just remove them