What Chuck said.
bp
<part15sbs{at}gmail{dot}com>
On 12/5/2022 8:18 AM, Chuck McCown via AF wrote:
A voltage divider. Two resistors in series.
Feed 48 into the end. Ground on the other end. Pick off the analog
input in the middle between the two resistors.
I would make the 48 volt facing resistor 10,000 ohms
The ground facing resistor 2700 ohms. 56 volts will deliver 11.906
volts to the telemetry.
4.7:1 division
*From:* Gino A. Villarini
*Sent:* Monday, December 5, 2022 9:04 AM
*To:* AnimalFarm Microwave Users Group
*Subject:* [AFMUG] Voltage Attenuator?
Picking your brains this morning!
I need to monitor a 48V battery bank in order to activate some actions
on a Control by Web X420 device.
The x420 only takes up to 12v in the analog input, how can I linearly
attenuate de 40-50V range in to a 12v range to make this work?
<https://aeronetpr.com> *Gino Villarini*
Founder / President
@GVillarini
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