Connection and addressing notes
- Protocol
- Modbus RTU
- Function codes
- 03 read holding registers, 06 write single register
- Read mode
- block reads only, single register read not supported
- Block read 1
- 4099, 100 registers
- Block read 2
- 4197, 100 registers
- Block read 3
- 4297, 10 registers, 16 on some models
- Frame check
- every frame ends with a CRC
- Address register
- 4115, writable Modbus address
- Speed register
- 4112, writable Speed parameter
- Byte order
- little or big endian depending on the device setting
Registers in the map: 73 (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, int64, word.
| MODBUS offset | Description | Units | Data type | Scale |
|---|---|---|---|---|
| 4099 | Device type | word | ||
| 4100 | Firmware version | word | ||
| 4112 | Speed | word | ||
| 4101 | Range overflow alarm | word | ||
| 4102 | Running tariff | dword | ||
| 4104 | PID | word | ||
| 4105 | PID bytes 3 and 4 | word | ||
| 4106 | PID bytes 5 and 6 | word | ||
| 4107 | PID bytes 7 and 8 | word | ||
| 4108 | PID bytes 9 and 10 | word | ||
| 4109 | PID bytes 11 and 12 | word | ||
| 4110 | PID bytes 13 and 14 | word | ||
| 4119 | Active energy 1st phase T1, imp | kWh | int64 | formula |
| 4123 | Active energy 2nd phase T1, imp | kWh | int64 | formula |
| 4127 | Active energy 3rd phase T1, imp | kWh | int64 | formula |
| 4131 | Active energy sum T1, imp | kWh | int64 | formula |
| 4135 | Active energy 1st phase T2, imp | kWh | int64 | formula |
| 4139 | Active energy 2nd phase T2, imp | kWh | int64 | formula |
| 4143 | Active energy 3rd phase T2, imp | kWh | int64 | formula |
| 4147 | Active energy sum T2, imp | kWh | int64 | formula |
| 4151 | Active power 1st phase | kW | dword | |
| 4153 | Active power 2nd phase | kW | dword | |
| 4155 | Active power 3rd phase | kW | dword | |
| 4157 | Active power sum | kW | int64 | formula |
| 4161 | Active energy 1st phase T1, exp | kWh | int64 | formula |
| 4165 | Active energy 2nd phase T1, exp | kWh | int64 | formula |
| 4169 4173 4177 4181 | Active energy 3rd phase T1, exp active energy sum T1, exp active energy 1st phase T2, exp active energy 2nd phase T2, exp | kWh | word | |
| 4185 | Active energy 3rd phase T2, exp | kWh | int64 | formula |
| 4189 | Active energy sum T2, exp | kWh | int64 | formula |
| 4193 | Reactive energy 1st phase T1, imp | kvarh | int64 | formula |
| 4197 | Reactive energy 2nd phase T1, imp | kvarh | int64 | formula |
| 4201 | Reactive energy 3rd phase T1, imp | kvarh | int64 | formula |
| 4205 | Reactive energy sum T1, imp | kvarh | int64 | formula |
| 4209 | Reactive energy 1st phase T2, imp | kvarh | int64 | formula |
| 4213 | Reactive energy 2nd phase T2, imp | kvarh | int64 | formula |
| 4217 | Reactive energy 3rd phase T2, imp | kvarh | int64 | formula |
| 4221 | Reactive energy sum T2, imp | kvarh | int64 | formula |
| 4225 | Reactive energy 1st phase T1, exp | kvarh | int64 | formula |
| 4229 | Reactive energy 2nd phase T1, exp | kvarh | int64 | formula |
| 4233 | Reactive energy 3rd phase T1, exp | kvarh | int64 | formula |
| 4237 | Reactive energy sum T1, exp | kvarh | int64 | formula |
| 4241 | Reactive energy 1st phase T2, exp | kvarh | int64 | formula |
| 4245 | Reactive energy 2nd phase T2, exp | kvarh | int64 | formula |
| 4249 | Reactive energy 3rd phase T2, exp | kvarh | int64 | formula |
| 4253 | Reactive energy sum T2, exp | kvarh | int64 | formula |
| 4257 | Reactive power 1st phase | kvar | dword | |
| 4259 | Reactive power 2nd phase | kvar | dword | |
| 4261 | Reactive power 3rd phase | kvar | dword | |
| 4263 | Reactive power sum | kvar | int64 | formula |
| 4267 | L1-N voltage | V | dword |
This is not the complete map: 50 of 73 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.