{
  "spec_version": 1,
  "slug": "eastron-sdm630",
  "manufacturer": "Eastron",
  "model": "SDM630-Modbus",
  "category": "Energy meter",
  "supplier_url": "https://www.eastroneurope.com/products/sdm630-modbus",
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      "offset": 0,
      "access": "RW"
    },
    {
      "address": 6,
      "count": 2,
      "name": "System Voltage",
      "data_type": "Float32",
      "units": "V",
      "scale_factor": 1,
      "offset": 0,
      "access": "RW"
    },
    {
      "address": 8,
      "count": 2,
      "name": "System Current",
      "data_type": "Float32",
      "units": "A",
      "scale_factor": 1,
      "offset": 0,
      "access": "RW"
    },
    {
      "address": 10,
      "count": 2,
      "name": "System Type",
      "data_type": "Float32",
      "units": "",
      "scale_factor": 1,
      "offset": 0,
      "access": "RW",
      "description": "Values: 1 = 1P2W, 2 = 3P3W, 3 = 3P4W."
    },
    {
      "address": 12,
      "count": 2,
      "name": "Relay Pulse Width",
      "data_type": "Float32",
      "units": "ms",
      "scale_factor": 1,
      "offset": 0,
      "access": "RW"
    },
    {
      "address": 18,
      "count": 2,
      "name": "Network Parity Stop",
      "data_type": "Float32",
      "units": "",
      "scale_factor": 1,
      "offset": 0,
      "access": "RW",
      "description": "Values: 0 = N-1, 1 = E-1, 2 = O-1, 3 = N-2."
    },
    {
      "address": 20,
      "count": 2,
      "name": "Meter ID",
      "data_type": "Float32",
      "units": "",
      "scale_factor": 1,
      "offset": 0,
      "access": "RW"
    },
    {
      "address": 28,
      "count": 2,
      "name": "Baud Rate",
      "data_type": "Float32",
      "units": "",
      "scale_factor": 1,
      "offset": 0,
      "access": "RW",
      "description": "Values: 0 = 2400, 1 = 4800, 2 = 9600, 3 = 19200, 4 = 38400."
    },
    {
      "address": 36,
      "count": 2,
      "name": "System Power",
      "data_type": "Float32",
      "units": "W",
      "scale_factor": 1,
      "offset": 0,
      "access": "RW"
    },
    {
      "address": 63760,
      "count": 2,
      "name": "P1 Divisor",
      "data_type": "Float32",
      "units": "",
      "scale_factor": 1,
      "offset": 0,
      "access": "RW",
      "description": "Values: 0 = 0.001kWh/imp, 1 = 0.01kWh/imp, 2 = 0.1kWh/imp, 3 = 1kWh/imp, 4 = 10kWh/imp, 5 = 100kWh/imp."
    },
    {
      "address": 63776,
      "count": 2,
      "name": "Measurement Mode",
      "data_type": "Float32",
      "units": "",
      "scale_factor": 1,
      "offset": 0,
      "access": "RW",
      "description": "Values: 0 = 0, 1 = Total Imported, 2 = Total Imported + Exported, 3 = Total Imported - Exported."
    },
    {
      "address": 63792,
      "count": 2,
      "name": "Running Time",
      "data_type": "Float32",
      "units": "h",
      "scale_factor": 1,
      "offset": 0,
      "access": "R"
    },
    {
      "address": 64512,
      "count": 2,
      "name": "Serial Number",
      "data_type": "UInt32",
      "units": "",
      "scale_factor": 1,
      "offset": 0,
      "access": "R"
    }
  ],
  "combined_registers": [],
  "notes": "RS-485 device: reach it through a Modbus RTU-to-TCP gateway using the factory serial settings above. Measurements are IEEE-754 Float32 values (high word first) read with function code 04; the configuration registers are read/written with function code 03."
}