{
  "$schema": "https://modbus-monitor.github.io/modbus-device-maps/schemas/modbus-map.schema.json",
  "schema_version": "1.1.0",
  "id": "sel/sel-751a",
  "manufacturer": "SEL",
  "manufacturer_slug": "sel",
  "model": "SEL-751A",
  "slug": "sel-751a",
  "title": "SEL SEL-751A Modbus Register Map",
  "description": "SEL SEL-751A Modbus map and register map with sample Modbus registers, register addresses, and relay overview for engineers. Works with Modbus Monitor XPF (import directly) and includes downloadable CSV access in-app.",
  "device_type": "Relay",
  "protocol": "Modbus",
  "categories": [
    "Demand",
    "Power Factor",
    "Energy",
    "Current",
    "Voltage"
  ],
  "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": "PercentVoltageUnbalance",
      "display_address": "300685",
      "data_type": "FLOAT32",
      "unit": "V",
      "category": "Voltage"
    },
    {
      "name": "PercentCurrentUnbalance",
      "display_address": "300664",
      "data_type": "FLOAT32",
      "unit": "-",
      "category": "Current"
    },
    {
      "name": "ReverseEnergy",
      "display_address": "300691",
      "data_type": "FLOAT32",
      "unit": "kWh",
      "category": "Energy"
    },
    {
      "name": "PFapparentTotal",
      "display_address": "300689",
      "data_type": "FLOAT32",
      "unit": "-",
      "category": "Power Factor"
    },
    {
      "name": "DemandIa",
      "display_address": "301690",
      "data_type": "FLOAT32",
      "unit": "kW",
      "category": "Demand"
    },
    {
      "name": "BFActive",
      "display_address": "300267",
      "data_type": "UINT16",
      "unit": "-",
      "category": "General"
    },
    {
      "name": "ForwardEnergy",
      "display_address": "300705",
      "data_type": "FLOAT32",
      "unit": "kWh",
      "category": "Energy"
    },
    {
      "name": "PFapparentA",
      "display_address": "301485",
      "data_type": "FLOAT32",
      "unit": "-",
      "category": "Power Factor"
    },
    {
      "name": "PFapparentB",
      "display_address": "301489",
      "data_type": "FLOAT32",
      "unit": "-",
      "category": "Power Factor"
    },
    {
      "name": "PFapparentC",
      "display_address": "301493",
      "data_type": "FLOAT32",
      "unit": "-",
      "category": "Power Factor"
    },
    {
      "name": "DemandIb",
      "display_address": "301691",
      "data_type": "FLOAT32",
      "unit": "kW",
      "category": "Demand"
    },
    {
      "name": "DemandIc",
      "display_address": "301692",
      "data_type": "FLOAT32",
      "unit": "kW",
      "category": "Demand"
    }
  ],
  "register_count": 12,
  "documentation_url": "https://docs.quantumbitsolutions.com/products/xpf/device-maps/sel/sel-751a/",
  "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=sel/sel-751a",
    "tester_url": "https://www.modbusmonitor.com/modbus-tester?utm_source=github&utm_medium=referral&utm_campaign=device_maps&utm_content=sel/sel-751a",
    "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"
}