Modbus RTU (RS485) Instructions

[Bill.Thomson]

Hello Helianto,

You might find this thread helpful:

PZEM-016 single phase modbus energy meter

Just saw this today on ebay : https://www.ebay.com/itm/AC-100A-Voltage-Current-Energy-Hz-Power-factor-RS485-Modbus-Module-with-split-CT/352383769695?hash=item520bb59c5f:g:izAAAOSwX7JbKHKy With a lot of function and for $10 seems a great deal. Any one tried it already ? Specs: PZEM-016: Measuring Range 100A (external transformer) With Split CT Specifications: Voltage: Measuring range:80～260V Resolution: 0.1V Measurement accuracy: 0.5% Current Measuring range: 0～100A Starting measure …