This site is now in read-only archive mode. Please move all discussion, and create a new account at the new Victron Community site.
I took a BPW34 photodiode with 240 ohms resistor in paralell and connected that to the tank level input. tank sensor type set to 30- 240ohms. diode cathode (the slightly wider pin) should go to the odd numbered tank level input of the venus GX. the other side to the odd pin +1 number. do not short the wires to any other wires , do not connect to ground. solar sensor.jpg
That sounds like an excellent idea! We’ll look at that in R&D; to see if we can make it a standard solution. Thanks!
I did use a single diode, getting 1.1mA only on a low spanish sun (when it shines directly into my office). this does not match my initial estimates of the diode sensitivity of 0.62A/W (corrected for the diode area assuming 1kW/m2 solar.)
(Edited: I have the number; thank you! I’ll know more next week. Matthijs).
Can you share any feedback on how this has performed?
@mvader (Victron Energy Staff) Any word from R&D team regarding this?
Thanks
Hi, yes: not accurate enough to be useful / sell-able.
I use a Solar Irradiance/Temperature sensor from IMT Solar. Have just update my post "Calculating and Controlling Excess PV Power". Please take a look.
Thanks,
Pat
