A simple demo to read from the Hiking DDS238-2 ZN/S energy meter using RS485/Modbus (via USB)
Language: Python
Example output:
Registers: [0, 7133, 513, 0, 0, 0, 0, 0, 0, 2399, 0, 4733, 2306, 62, 132, 65534, 917, 4999, 0, 0, 0, 257, 0, 0, 0, 0, 0]
Total energy 71.33 kWh
Exported energy 47.34 kWh
Imported energy 23.99 kWh
Voltage 230.6 V
Current 0.62 A
Active power 132 W
Reactive power -2 VAr
Power factor 0.917
Frequency 49.99 Hz
Modbus address 1
Bitrate 9600 bit/s
Relais off