Sungrow SH5K-30 to DTSU666 meter communication?
I did my best to follow what it says, connecting pin 24 on the DTSU666 with A2 on the inverter, and pin 25 on the DTSU666 with B2 on the inverter, but the inverter just isn''t seeing it. The wires test as good, and they were previously working with a different meter (S100 single-phase meter). Of course, Sungrow support is stonewalling me, …
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