My review of this device is here
| Property | Value |
|---|---|
| Baud rate | 9600 |
| Parity | none |
| Stop bits | 1 |
| A | red wire from RS 485 connector |
| B | black wire from RS 485 connector |
| Register | Description | R/W | Bytes | Example | Gain |
|---|---|---|---|---|---|
| 0 | Connection Command | R | |||
| 1 | Rated voltage (V)(220V) | R | 220V(Fixed) => 22000 | 100 | |
| 2 | Rated current (A) (40A) | R | 40A(Fixed) => 4000 | 100 | |
| 5 | Hardware version lower bits (display board) | R | 2 | V0.8 | |
| 14 | Active Voltage (V) | R | 2 | 229.6V => 22960 | 100 |
| 18 | Active Amperage (A) | R | 0.012A => 12 | 1000 | |
| 26 | Active Power (W) | R | 3.12W=> 312 | 100 | |
| 34 | ?? | R | |||
| 42 | ?? | R | |||
| 48 | Power Factor | R | 0.99 =>990 | 1000 | |
| 51 | Active Frequency (Hz) | R | 50Hz => 5000 | 100 | |
| 55 | Consumed Energy (kWh) | R | 5.5kWh => 5500 | 1000 | |
| 60 | Active Temperature (Co) | R | 25 | 1 | |
| 61 | Timing (minutes) | R | 100 => 100 | 1 | |
| 63 | Switch on / off relay | R | On/Off => 1 / 0 | – | |
| 64 | Over Voltage Limit (V) | R | 250V => 2500 | 10 | |
| 65 | Under Voltage Limit (V) | R | 85V => 850 | 10 | |
| 66 | Over Amperage Limit (A) | R | 26A => 260 | 10 | |
| 67 | Over Power Limit (W) | R | 11W => 110 | 10 | |
| 71 | Back Light time (minutes) | R | 6 | 1 | |
| 72 | Over Temperature Limit (Co) | R | 50 | 1 | |
| 74 | Over Energy Limit (kWh) | R | 12kWh=>1200 | 100 | |
| 81 | Screen Rotation | R | Normal/Rotated => 1/0 | – | |
| 82 | Black Light % | R | 80 | 1 |
