Connection and addressing notes
- Protocol
- Modbus
- Interface
- RS-485
- Function codes
- 0x04 read input registers
- Setting register function codes
- 0x03, 0x06, 0x10
- On/off register function codes
- 0x05, write only
- Register addressing
- addresses used in the actual frame, no offset or conversion required
Registers in the map: 89 (the first 50 are listed below; the browser reader and the data loggers use the complete map). function 4 (input registers). byte order big-endian. data types: dword, integer, smallint, word.
| MODBUS offset | Description | Units | Data type | Scale |
|---|---|---|---|---|
| 2999 | Product model | word | ||
| 3000 | DSP software version | word | ||
| 3001 | LCD software version | word | ||
| 3002 | Protocol software version | word | ||
| 3021 | System time year | a | word | |
| 3022 | System time month | word | ||
| 3023 | System time day | a | word | |
| 3024 | System time | word | ||
| 3025 | System time | word | ||
| 3026 | System time second | word | ||
| 3028 | Inverter total power generation | kW | dword | |
| 3030 | Inverter power generation in the month | kW | dword | |
| 3032 | Inverted last month's power generation | kW | dword | |
| 3034 | Inverter power generation today | kW | word | |
| 3035 | Inverter yesterday's power generation | kW | word | |
| 3036 | Inverter power generation this year | kW | dword | |
| 3038 | Inverter last year's power generation | kW | dword | |
| 3048 | Dc voltage 1 | V | word | ×0.1 |
| 3049 | Dc current 1 | A | word | ×0.1 |
| 3050 | Dc voltage 2 | V | word | ×0.1 |
| 3051 | Dc current 2 | A | word | ×0.1 |
| 3052 | Dc voltage 3 | V | word | ×0.1 |
| 3053 | Dc current 3 | A | word | ×0.1 |
| 3054 | Dc voltage 4 | V | word | ×0.1 |
| 3055 | Dc current 4 | A | word | ×0.1 |
| 3056 | Total dc output power | W | dword | |
| 3070 | Dc bus voltage | V | word | ×0.1 |
| 3071 | Dc bus half voltage | V | word | ×0.1 |
| 3072 | Ab line voltage / phase A voltage | V | word | ×0.1 |
| 3073 | Bc line voltage / phase B voltage | V | word | ×0.1 |
| 3074 | Ca line voltage / C phase voltage | V | word | ×0.1 |
| 3075 | Phase A current | A | word | |
| 3076 | Phase B current | A | word | |
| 3077 | Phase C current | A | word | ×0.1 |
| 3078 | Active power | W | integer | |
| 3082 | Apparent power | V | integer | |
| 3091 | National standard | word | ||
| 3092 | Inverter temperature | word | ×0.1 | |
| 3093 | Grid frequency | Hz | word | ×0.01 |
| 3094 | Current state of the inverter | word | ||
| 3103 | Actual power | word | ||
| 3104 | Actual power | smallint | ×0.01 | |
| 3114 | Set the flag bit | word | ||
| 3125 | Electricity meter total active power generation | Wh | dword | |
| 3127 | Meter voltage | word | ||
| 3128 | Meter current | word | ||
| 3129 | Meter active power | integer | ||
| 3131 | Energy storage control switch | word | ||
| 3132 | Battery voltage | V | word | ×0.1 |
| 3133 | Battery current | A | smallint | ×0.1 |
This is not the complete map: 50 of 89 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.