
Fronius - Modbus TCP
Fronius
Monitors Fronius Symo and Primo inverters via Modbus TCP
Overview
Key readings
- AC Voltage Phase 1 to 3
- AC Current Phase 1 to 3
- AC Power
- AC Frequency
- DC Voltage and Current (MPPT 1 and 2)
- Temperature MPPT 1 and 2

Fronius
Monitors Fronius Symo and Primo inverters via Modbus TCP
15 read / 0 write
| Name | Address | Function | Type | Unit | Access |
|---|---|---|---|---|---|
AC Voltage Phase 1 | 40084 | FC03 | float32 | V | R |
AC Voltage Phase 3 | 40088 | FC03 | float32 | V | R |
AC Voltage Phase 2 | 40086 | FC03 | float32 | V | R |
AC Power | 40090 | FC03 | float32 | kW | R |
AC Frequency | 40092 | FC03 | float32 | Hz | R |
AC Current Phase 1 | 40072 | FC03 | float32 | A | R |
AC Current Phase 2 | 40074 | FC03 | float32 | A | R |
AC Current Phase 3 | 40076 | FC03 | float32 | A | R |
DC Voltage 1 | 40283 | FC03 | uint16 | V | R |
DC Voltage 2 | 40303 | FC03 | uint16 | V | R |
DC Current 1 | 40282 | FC03 | uint16 | A | R |
DC Current 2 | 40302 | FC03 | uint16 | A | R |
Temperature MPPT 1 | 40289 | FC03 | uint16 | °C | R |
Temperature MPPT 2 | 40309 | FC03 | uint16 | °C | R |
AC Lifetime Energy production | 40100 | FC03 | float32 | kWh | R |
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