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full_mosey's avatar
full_mosey
Explorer
Apr 24, 2017

MorningStar TriStar-45 PWM and Raspberry Pi 3 data project

I am working my way through the MS MODBUS Specification specs to capture data onto the RPi3. The plan is to avoid fixed control panels, and instead, run a web server on the RPi3 and then view info ...
full_mosey's avatar
full_mosey
Explorer
Jun 20, 2017
Here is a graph showing the progress of charging during one day.



I got a clamp-on DC Amp meter for father's day. The brief drop of battery Volts at around 8:30 is me testing the meter by running a 480W space heater from the inverter. The other dips are due to the cycling of two 12VDC fridges while the charge Amps are lower than the fridges' draw.

The stair stepping of the Target Volts is the temp-comp function of the controller reacting to increases in battery temperature.

HTH;
John

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