Connection and addressing notes
- Protocol
- Modbus
- Register addressing
- table lists hex and decimal addresses, map uses the decimal column
- Register sizes
- 16, 32 or 64 bit (short int, integer, long int)
Registers in the map: 226 (the first 50 are listed below; the browser reader and the data loggers use the complete map). function 3 (input registers). byte order big-endian. data types: dword, integer, smallint, word.
| MODBUS offset | Description | Units | Data type | Scale |
|---|---|---|---|---|
| 3840 | Device Code | word | ||
| 3841 | Version | word | ||
| 65280 | Device Code | word | ||
| 65281 | Version | word | ||
| 0 | Ampere L1 | A | dword | ×0.001 |
| 2 | Ampere L2 | A | dword | ×0.001 |
| 4 | Ampere L3 | A | dword | ×0.001 |
| 6 | Ampere (neutral current) | A | dword | ×0.001 |
| 8 | Voltage L1 | V | dword | ×0.1 |
| 10 | Voltage L2 | V | dword | ×0.1 |
| 12 | Voltage L3 | V | dword | ×0.1 |
| 14 | Voltage L12 | V | dword | ×0.1 |
| 16 | Voltage L23 | V | dword | ×0.1 |
| 18 | Voltage L31 | V | dword | ×0.1 |
| 20 | Voltage assym | % | word | ×0.1 |
| 21 | Frequency | Hz | word | ×0.01 |
| 22 | Kw L1 | W | integer | ×0.1 |
| 24 | Kw L2 | W | integer | ×0.1 |
| 26 | Kw L3 | W | integer | ×0.1 |
| 28 | Kvar L1 | var | integer | ×0.1 |
| 30 | Kvar L2 | var | integer | ×0.1 |
| 32 | Kvar L3 | var | integer | ×0.1 |
| 34 | Kva L1 | VA | dword | ×0.1 |
| 36 | Kva L2 | VA | dword | ×0.1 |
| 38 | Kva L3 | VA | dword | ×0.1 |
| 40 | Pf L1 | smallint | ×0.001 | |
| 41 | Pf L2 | smallint | ×0.001 | |
| 42 | Pf L3 | smallint | ×0.001 | |
| 43 | Pf avg | smallint | ×0.001 | |
| 44 | Cos L1 | smallint | ×0.001 | |
| 45 | Cos L2 | smallint | ×0.001 | |
| 46 | Cos L3 | smallint | ×0.001 | |
| 47 | Cos avg | smallint | ×0.001 | |
| 48 | Energy import | kWh | dword | ×0.1 |
| 52 | Energy export | kWh | dword | ×0.1 |
| 56 | Energy inductive | kvarh | dword | ×0.1 |
| 60 | Energy capacitive | kvarh | dword | ×0.1 |
| 64 | Energy apparent | kVAh | dword | ×0.1 |
| 68 | Max dmd kw L1 (import) | W | dword | ×0.1 |
| 70 | Max dmd kw L2 (import) | W | dword | ×0.1 |
| 72 | Max dmd kw L3 (import) | W | dword | ×0.1 |
| 74 | Max dmd kw total (import) | W | dword | ×0.1 |
| 76 | Max dmd kva L1 | VA | dword | ×0.1 |
| 78 | Max dmd kva L2 | VA | dword | ×0.1 |
| 80 | Max dmd kva L3 | VA | dword | ×0.1 |
| 82 | Max dmd kva total | VA | dword | ×0.1 |
| 84 | Max dmd I L1 | A | dword | ×0.001 |
| 86 | Max dmd I L2 | A | dword | ×0.001 |
| 88 | Max dmd I L3 | A | dword | ×0.001 |
| 90 | Max dmd iavg (3phase) | A | dword | ×0.001 |
This is not the complete map: 50 of 226 registers are listed above. Click "Read register values online" to read any register of your device in the browser, or download the program to log the complete map.