Connection and addressing notes
- Protocol
- Modbus
- Function codes
- 0x11 report slave id, 0x03 read holding registers, 0x06 preset single register
- Register addressing
- numbered from 40001, offset 0 = 40001
- 32-bit values
- MSW first
- Modbus address register
- 41010, range 1 to 247
- Access
- read only unless otherwise noted
Registers in the map: 34. function 3 (holding registers). byte order big-endian. data types: dword, smallint, word.
| MODBUS offset | Description | Units | Data type | Scale |
|---|---|---|---|---|
| 1003 | Firmware version major | word | ||
| 1004 | Firmware version minor | word | ||
| 1010 | Hardware version | word | ||
| 8 | Pcb temperature | deg F | smallint | ×0.01 |
| 9 | Input power supply | V | word | ×0.01 |
| 10 | Channel 1 current, instantaneous | A | smallint | ×0.01 |
| 11 | Channel 1 current, long average | A | smallint | ×0.01 |
| 12 | Channel 2 current, instantaneous | A | smallint | ×0.01 |
| 13 | Channel 2 current, long average | A | smallint | ×0.01 |
| 14 | Channel 3 current, instantaneous | A | smallint | ×0.01 |
| 15 | Channel 3 current, long average | A | smallint | ×0.01 |
| 16 | Channel 4 current, instantaneous amps 100 | A | smallint | |
| 17 | Channel 4 current, long average | A | smallint | ×0.01 |
| 18 | Channel 5 current, instantaneous | A | smallint | ×0.01 |
| 19 | Channel 5 current, long average | A | smallint | ×0.01 |
| 20 | Channel 6 current, instantaneous | A | smallint | ×0.01 |
| 21 | Channel 6 current, long average | A | smallint | ×0.01 |
| 22 | Channel 7 current, instantaneous amps 100 | A | smallint | |
| 23 | Channel 7 current, long average | A | smallint | ×0.01 |
| 24 | Channel 8 current, instantaneous | A | smallint | ×0.01 |
| 25 | Channel 8 current, long average | A | smallint | ×0.01 |
| 26 | Channel 9 current, instantaneous amps 100 | A | smallint | |
| 27 | Channel 9 current, long average | A | smallint | ×0.01 |
| 28 | Channel 10 current, instantaneous | A | smallint | ×0.01 |
| 29 | Channel 10 current, long average amps 100 | A | smallint | |
| 30 | Channel 11 current, instantaneous | A | smallint | ×0.01 |
| 31 | Channel 11 current, long average | A | smallint | ×0.01 |
| 32 | Channel 12 current, instantaneous | A | smallint | ×0.01 |
| 33 | Channel 12 current, long average | A | smallint | ×0.01 |
| 44 | Input 1 mode (nv/r/w) | word | ||
| 45 | Input 1 value inst | dword | ||
| 47 | Input l ave ave | dword | ||
| 49 | Input l min min | dword | ||
| 51 | Input 1 max max | dword |