we build solar field 55mw in israel with your inverters. we try to connect to them by modbus 485 rtu. we try to read register 300, that should be heartbit register and should be live but without success. whe use boud rate 19200 and try to read from adress 1, register 300. we also try to read 147 register. we don't get modbus polling, seams like no communication... please help!!!
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Maximab, what make and model inverter are you referring to? Thanks for the question.