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Fronius Primo 5 Modbus Register Map

The Fronius Primo 5 is a solar inverter used for PV production monitoring, inverter diagnostics, and energy analytics. This page provides a sample Modbus register map with addresses, data types, and signal categories to help engineers commission, troubleshoot, and monitor the device. For Fronius Primo 5 deployments, teams often use this map to surface power, voltage, and current data in solar inverter monitoring and renewable energy systems.

This page shows a public register preview. Check the catalog in your installed XPF version for complete-map availability and licensing.

Confirm the exact model and firmware, address base, register function, word order, scaling and units against the manufacturer manual before polling. This preview does not establish hardware validation.

Overview

  • Device: Fronius Primo 5
  • Type: Solar Inverter
  • Protocol: Confirm the supported transport for the exact device and firmware in the manufacturer manual.
  • Use case: PV production monitoring, inverter diagnostics, and energy analytics
  • Works with: Modbus Monitor XPF (import directly)

Download Modbus Map

The sample below is a public preview. Check the catalog in your installed XPF version for current availability, access and licensing.

Public JSON preview · Preview data terms

Register Table (Sample)

Sample registers from the Fronius Primo 5 Modbus map. Confirm the sample against the exact device and firmware before use.

Signal Address Type Units Category
Phase Voltage AB V 440077 FLOAT32 V Voltage
AC Current A 440069 FLOAT32 - Current
AC Power W 440089 FLOAT32 kW Power
AC Energy Wh 440099 FLOAT32 kWh Energy
Line Frequency Hz 440091 FLOAT32 Hz Frequency
Enumerated value Operating state 440115 UINT16 - Status
Cabinet Temperature C 440107 FLOAT32 degC Temperature
Bitmask value Event fields 440117 UINT32 - General
Phase A Current A 440071 FLOAT32 - Current
Phase B Current A 440073 FLOAT32 - Current
Phase C Current A 440075 FLOAT32 - Current
Phase Voltage BC V 440079 FLOAT32 V Voltage

How to Use This Map

  1. Download Modbus Monitor XPF — Get the free version.
  2. Select the Fronius Primo 5 device map — check availability and access in the installed application catalog.
  3. Connect to your device — confirm transport, addressing and data types before starting a read operation.
  4. Visualise and log — build dashboards, trend data, and export readings without manual register entry.

Why Use Pre-Built Maps

  • Saves time — no need to manually look up or enter register addresses
  • Reduces errors — reusable maps reduce repeated manual entry; validate addresses and data types for your device
  • Speeds commissioning — connect and poll within minutes instead of hours
  • Reusable across projects — use the same map across multiple sites and installations

Data Categories Available

  • Power
  • Voltage
  • Current
  • Energy
  • Status
  • Temperature