{
  "$schema": "https://modbus-monitor.github.io/modbus-device-maps/schemas/modbus-map.schema.json",
  "schema_version": "1.1.0",
  "id": "fronius/primo-4",
  "manufacturer": "Fronius",
  "manufacturer_slug": "fronius",
  "model": "Primo 4",
  "slug": "primo-4",
  "title": "Fronius Primo 4 Modbus Register Map",
  "description": "Fronius Primo 4 Modbus map and register map with sample Modbus registers, register addresses, and solar inverter overview for engineers. Works with Modbus Monitor XPF (import directly) and includes downloadable CSV access in-app. Common searches: Fronius Primo 4 Modbus registers, Fronius Primo 4 Modbus TCP.",
  "device_type": "Solar Inverter",
  "protocol": "Modbus",
  "categories": [
    "Power",
    "Voltage",
    "Current",
    "Energy",
    "Status",
    "Temperature"
  ],
  "address_display_convention": "Display address copied from the published preview. Modbus reference-number and zero-based offset conventions vary by device; verify the linked documentation and manufacturer manual before polling.",
  "registers": [
    {
      "name": "Phase Voltage AB V",
      "display_address": "440077",
      "data_type": "FLOAT32",
      "unit": "V",
      "category": "Voltage"
    },
    {
      "name": "AC Current A",
      "display_address": "440069",
      "data_type": "FLOAT32",
      "unit": "-",
      "category": "Current"
    },
    {
      "name": "AC Power W",
      "display_address": "440089",
      "data_type": "FLOAT32",
      "unit": "kW",
      "category": "Power"
    },
    {
      "name": "AC Energy Wh",
      "display_address": "440099",
      "data_type": "FLOAT32",
      "unit": "kWh",
      "category": "Energy"
    },
    {
      "name": "Line Frequency Hz",
      "display_address": "440091",
      "data_type": "FLOAT32",
      "unit": "Hz",
      "category": "Frequency"
    },
    {
      "name": "Enumerated value Operating state",
      "display_address": "440115",
      "data_type": "UINT16",
      "unit": "-",
      "category": "Status"
    },
    {
      "name": "Cabinet Temperature C",
      "display_address": "440107",
      "data_type": "FLOAT32",
      "unit": "degC",
      "category": "Temperature"
    },
    {
      "name": "Bitmask value Event fields",
      "display_address": "440117",
      "data_type": "UINT32",
      "unit": "-",
      "category": "General"
    },
    {
      "name": "Phase A Current A",
      "display_address": "440071",
      "data_type": "FLOAT32",
      "unit": "-",
      "category": "Current"
    },
    {
      "name": "Phase B Current A",
      "display_address": "440073",
      "data_type": "FLOAT32",
      "unit": "-",
      "category": "Current"
    },
    {
      "name": "Phase C Current A",
      "display_address": "440075",
      "data_type": "FLOAT32",
      "unit": "-",
      "category": "Current"
    },
    {
      "name": "Phase Voltage BC V",
      "display_address": "440079",
      "data_type": "FLOAT32",
      "unit": "V",
      "category": "Voltage"
    }
  ],
  "register_count": 12,
  "documentation_url": "https://docs.quantumbitsolutions.com/products/xpf/device-maps/fronius/primo-4/",
  "product": {
    "name": "Modbus Monitor XPF",
    "full_map_url": "https://www.modbusmonitor.com/download?utm_source=github&utm_medium=referral&utm_campaign=device_maps&utm_content=fronius/primo-4",
    "tester_url": "https://www.modbusmonitor.com/modbus-tester?utm_source=github&utm_medium=referral&utm_campaign=device_maps&utm_content=fronius/primo-4",
    "request_url": "https://github.com/Modbus-Monitor/modbus-device-maps/issues/new/choose"
  },
  "license_notice": "See DATA_LICENSE.md and DISCLAIMER.md in the repository root.",
  "guide_status": "published"
}