Connection and addressing notes
- Protocol
- Modbus
- Table read
- an entire table can be read with a single Modbus command 3 (Holding Registers)
- Register content
- each register contains a single 16 bit word
- Baud rate register
- 43589, 96 = 9600 baud
- Modbus ID register
- 43590, range 0 to 247
- Security Code register
- 43596, range 0 to 9999
Registers in the map: 82 (the first 50 are listed below; the browser reader and the data loggers use the complete map). function 3 (holding registers). byte order big-endian. data types: dword, word.
| MODBUS offset | Description | Units | Data type | Scale |
|---|---|---|---|---|
| 3590 | Meter model | word | ||
| 3591 | Meter type | word | ||
| 3592 | Firmware version | word | ||
| 512 | eScale | dword | ||
| 514 | kWh | kWh | dword | |
| 516 | kVAh | kVAh | dword | |
| 518 | Kvarh inductive | kvarh | dword | |
| 520 | Kvarh capacitive | kvarh | dword | |
| 522 | Import | kvarh | dword | |
| 524 | Export | kWh | dword | |
| 526 | Export | kvarh | dword | |
| 2816 | System | kW | word | |
| 2817 | System | kVA | word | |
| 2818 | System | kvar | word | |
| 2819 | System | PF | word | ×0.001 |
| 2820 | Frequency | word | ×0.01 | |
| 2821 | Phase 1 | V | word | |
| 2822 | Phase 1 | A | word | |
| 2823 | Phase 1 | kW | word | |
| 2824 | Phase 2 | V | word | |
| 2825 | Phase 2 | A | word | |
| 2826 | Phase 2 | kW | word | |
| 2827 | Phase 3 | V | word | |
| 2828 | Phase 3 | A | word | |
| 2829 | Phase 3 | kW | word | |
| 2830 | Phase 1 | PF | word | ×0.001 |
| 2831 | Phase 2 | PF | word | ×0.001 |
| 2832 | Phase 3 | PF | word | ×0.001 |
| 2833 | Ph1-Ph2 | V | word | |
| 2834 | Ph2-Ph3 | V | word | |
| 2835 | Ph3-Ph1 | V | word | |
| 2836 | Neutral current | word | ||
| 2837 | Amps scale ki | A | word | |
| 2838 | Phase volts scale kvp | V | word | |
| 2839 | Line volts scale kvl | V | word | |
| 2840 | Power scale kp | word | ||
| 3072 | Phase 1 | kVA | word | |
| 3073 | Phase 2 | kVA | word | |
| 3074 | Phase 3 | kVA | word | |
| 3075 | Phase 1 | kvar | word | |
| 3076 | Phase 2 | kvar | word | |
| 3077 | Phase 3 | kvar | word | |
| 3328 | Peak hold ph1 | A | word | |
| 3329 | Peak hold ph2 | A | word | |
| 3330 | Peak hold ph3 | A | word | |
| 3331 | Peak hold ph1 | V | word | |
| 3332 | Peak hold ph2 | V | word | |
| 3333 | Peak hold ph3 | V | word | |
| 3334 | Peak hold kW demand | kW | word | |
| 3335 | KW demand period | kW | word |
This is not the complete map: 50 of 82 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.