Eye Sensor Reading Computed Attributes

Thatguy5 days ago

Hi All,

I have an eye temperature occasionally sending data to a FMC150, occasionally when the FMC does not get the data it will send a reading of 250 degrees as default which is not a problem however when looking at the chart data it really does not represent the true picture of the temperature

Screenshot 2025-10-28 175621.jpg

I was thinking to see if I can ignore the readings of 250 by using the expression below, I have also linked it to the device but it doesn't seem to be working - just to put out there when I connected the eye temp the traccar server picked it up with the attribute eyetemp1 by itself.

Screenshot 2025-10-28 181600.jpg

Does anyone know what I have missed please?

Kind Regards

Cristian5 days ago

Have you added the Teltonika equipment model?

Captura de pantalla 2025-10-28 a la(s) 15.31.59.png

And how did you connect the eye sensor to the FMC150?
If you do it using the MAC of the eye sensor, you won't have those losses anymore.

Captura de pantalla 2025-10-28 a la(s) 15.34.43.png

Thatguy5 days ago

Hi Cristian,

I have added the model FMC150 as per below.

Screenshot 2025-10-28 183804.jpg

I have also added it via MAC as per below as I believe that's the recommend way but I still experience this issue.

image.png

Kind Regards

Anton Tananaev5 days ago

You should be able to use computed attributes to remove values, but your expression doesn't really make sense to me. Your output attribute doesn't match and else clause also doesn't match.

Thatguy5 days ago

Hi Anton,

I just realised my mistake, the tracker won't check in for another hour, does that look better?

eyeTemp1 == 250 ? null : eyeTemp1

Kind Regards

Cristian5 days ago

Thatguy And do you have the eye sensor settings?

Cristian5 days ago

First update the firmware, then configure them as follows:

Captura de pantalla 2025-10-28 a la(s) 17.12.06.png

Thatguy4 days ago

Hi Cristian - it is on the latest firmware but will change the settings to match yours - thank you.