Solar Panel Operation Can I just connect a 12 volt solar panel directly to the RFScada and operate the unit without AC power?
No, at least not at night. However, the RFScada may easily be operated from a solar panel if suitable components are used. First of all a panel must be selected that can supply several times the energy required to operate the RFScada (varies with the model and options, approximately one to two watts is typical), since the panel must both supply the unit and be capable of charging the battery in the shortest daylight available, even on a cloudy day. A system using a panel having a nominal 10 or 20 watts output should have an ample safety margin. Secondly a battery or batteries must be selected that will be able to hold enough energy to operate the RFScada for a period of time, plus the battery must be able to withstand the sometimes fairly heavy charging and discharge cycle. Small auto or marine deep cycle type batteries are most commonly used, as they are universally available at a very reasonable cost. Finally, as mentioned earlier it is possible to damage batteries by overcharging th
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