21-08-2018, 09:24
(20-08-2018, 13:38)markkkk42 Wrote: This unit is powered by 12 to 24V but its output is a stepped voltage to a max of 5V dc. These are not correct figures but say the unit is spinning at 10m/s it is outputing 1.2V and at 20m/s its putting out 2.8V and at 34m/s it is putting out 4.8V I think the specs are actually 5 divided by 34 is the stepping so it is 34 steps at 0.147v. The adc would need to read this stepping and do the internal calculation for wind speed. it is 0 to 34m/s
I can not imagine that an analog output is discretized like that. In my opinion there is only the calculation formula given, but the output signal should be generated continuous.
As AllyCat said, the hardware modification would be pretty easy and the software modification would also be manageable.
Like JT118 said, there are other interface configurations like pulse or RS485 wich are useable without modification.
Do you already own the device? Because i would be interested, too if it is a reasonable quality.
engolling