Hi Patrick,
I’m working on a similar project, just for my different PV-Strings. I’m using the ACS758…-50U and also the ADS1115. After the 1st tests, I’m not quite happy with the results, OK for me the accurately is not that important, as I’m only comparing strings with each other.
For your case it would be essential to have a precise measurement, additional to that, I wouldn’t trust this small legs of the ACS to be capable of 200A.
But never the less, looks like an interesting replacement for the Shunt board for smaller applications.
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