{
  "$schema": "https://modbus-monitor.github.io/modbus-device-maps/schemas/modbus-map.schema.json",
  "schema_version": "1.1.0",
  "id": "owen-brothers/ob737",
  "manufacturer": "Owen Brothers",
  "manufacturer_slug": "owen-brothers",
  "model": "OB737",
  "slug": "ob737",
  "title": "Owen Brothers OB737 Modbus Register Map",
  "description": "Official Modbus Monitor XPF preview for the Owen Brothers OB737 power meter, with 12 representative voltage, current, power signals.",
  "device_type": "Power Meter",
  "protocol": "Modbus RTU / Modbus TCP",
  "categories": [
    "Voltage",
    "Current",
    "Power",
    "Energy",
    "Frequency"
  ],
  "address_display_convention": "Display address copied from the official XPF map preview. Modbus reference-number and zero-based offset conventions vary by device; verify the manufacturer manual before polling or writing.",
  "registers": [
    {
      "name": "Conductor voltage to N U1 V",
      "display_address": "404096",
      "data_type": "FLOAT32",
      "unit": "V",
      "category": "Voltage"
    },
    {
      "name": "Current in conductor I1 A",
      "display_address": "404110",
      "data_type": "FLOAT32",
      "unit": "-",
      "category": "Current"
    },
    {
      "name": "Power factor phase 1 -",
      "display_address": "404120",
      "data_type": "FLOAT32",
      "unit": "PF",
      "category": "Power"
    },
    {
      "name": "Total active energy procurement L1 Wh",
      "display_address": "404352",
      "data_type": "FLOAT32",
      "unit": "kWh",
      "category": "Energy"
    },
    {
      "name": "Frequency Hz",
      "display_address": "404152",
      "data_type": "FLOAT32",
      "unit": "Hz",
      "category": "Frequency"
    },
    {
      "name": "Phase sequence 0123",
      "display_address": "404154",
      "data_type": "FLOAT32",
      "unit": "-",
      "category": "General"
    },
    {
      "name": "Conductor voltage to N U2 V",
      "display_address": "404098",
      "data_type": "FLOAT32",
      "unit": "V",
      "category": "Voltage"
    },
    {
      "name": "Conductor voltage to N U3 V",
      "display_address": "404100",
      "data_type": "FLOAT32",
      "unit": "V",
      "category": "Voltage"
    },
    {
      "name": "Conductor voltage to conductor U12 V",
      "display_address": "404102",
      "data_type": "FLOAT32",
      "unit": "V",
      "category": "Voltage"
    },
    {
      "name": "Conductor voltage to conductor U23 V",
      "display_address": "404104",
      "data_type": "FLOAT32",
      "unit": "V",
      "category": "Voltage"
    },
    {
      "name": "Conductor voltage to conductor U31 V",
      "display_address": "404106",
      "data_type": "FLOAT32",
      "unit": "V",
      "category": "Voltage"
    },
    {
      "name": "External conductor voltage system V",
      "display_address": "404108",
      "data_type": "FLOAT32",
      "unit": "V",
      "category": "Voltage"
    }
  ],
  "register_count": 12,
  "guide_status": "upcoming",
  "documentation_url": null,
  "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=owen-brothers/ob737",
    "tester_url": "https://www.modbusmonitor.com/modbus-tester?utm_source=github&utm_medium=referral&utm_campaign=device_maps&utm_content=owen-brothers/ob737",
    "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."
}