{
  "kind": "busloom-device-definition",
  "schemaVersion": 1,
  "id": "abb.b21",
  "name": "ABB B21",
  "description": "Core read-only instrumentation block from the official B21 Modbus mapping. Register addresses are the hexadecimal protocol offsets stated by ABB.",
  "tagGroups": [
    {
      "id": "abb.b21.group.voltage-current",
      "name": "Voltage and current",
      "color": "blue"
    },
    {
      "id": "abb.b21.group.power",
      "name": "Power",
      "color": "orange"
    }
  ],
  "tags": [
    {
      "id": "abb.b21.holding.4098.phase-voltage-l1-n",
      "name": "Phase voltage L1-N",
      "addressSpace": "holdingRegisters",
      "address": 4098,
      "dataType": "uint32",
      "notation": "decimal",
      "registerCount": 2,
      "byteOrder": "bigEndian",
      "wordOrder": "mostSignificantFirst",
      "scale": 1,
      "offset": 0,
      "displayDecimals": 2,
      "minimum": null,
      "maximum": null,
      "valueLabels": [],
      "trueLabel": "ON",
      "falseLabel": "OFF",
      "alarms": [],
      "unit": "V",
      "description": "Read-only ABB DMTME-compatible instrumentation value.",
      "groupId": "abb.b21.group.voltage-current"
    },
    {
      "id": "abb.b21.holding.4112.line-current-l1",
      "name": "Line current L1",
      "addressSpace": "holdingRegisters",
      "address": 4112,
      "dataType": "uint32",
      "notation": "decimal",
      "registerCount": 2,
      "byteOrder": "bigEndian",
      "wordOrder": "mostSignificantFirst",
      "scale": 0.001,
      "offset": 0,
      "displayDecimals": 2,
      "minimum": null,
      "maximum": null,
      "valueLabels": [],
      "trueLabel": "ON",
      "falseLabel": "OFF",
      "alarms": [],
      "unit": "A",
      "description": "Read-only ABB DMTME-compatible instrumentation value.",
      "groupId": "abb.b21.group.voltage-current"
    },
    {
      "id": "abb.b21.holding.4120.power-factor-l1",
      "name": "Power factor L1",
      "addressSpace": "holdingRegisters",
      "address": 4120,
      "dataType": "int32",
      "notation": "decimal",
      "registerCount": 2,
      "byteOrder": "bigEndian",
      "wordOrder": "mostSignificantFirst",
      "scale": 0.001,
      "offset": 0,
      "displayDecimals": 3,
      "minimum": null,
      "maximum": null,
      "valueLabels": [],
      "trueLabel": "ON",
      "falseLabel": "OFF",
      "alarms": [],
      "unit": "",
      "description": "Read-only ABB DMTME-compatible instrumentation value.",
      "groupId": "abb.b21.group.power"
    },
    {
      "id": "abb.b21.holding.4136.apparent-power-l1",
      "name": "Apparent power L1",
      "addressSpace": "holdingRegisters",
      "address": 4136,
      "dataType": "uint32",
      "notation": "decimal",
      "registerCount": 2,
      "byteOrder": "bigEndian",
      "wordOrder": "mostSignificantFirst",
      "scale": 1,
      "offset": 0,
      "displayDecimals": 2,
      "minimum": null,
      "maximum": null,
      "valueLabels": [],
      "trueLabel": "ON",
      "falseLabel": "OFF",
      "alarms": [],
      "unit": "VA",
      "description": "Read-only ABB DMTME-compatible instrumentation value.",
      "groupId": "abb.b21.group.power"
    },
    {
      "id": "abb.b21.holding.4144.active-power-l1",
      "name": "Active power L1",
      "addressSpace": "holdingRegisters",
      "address": 4144,
      "dataType": "uint32",
      "notation": "decimal",
      "registerCount": 2,
      "byteOrder": "bigEndian",
      "wordOrder": "mostSignificantFirst",
      "scale": 1,
      "offset": 0,
      "displayDecimals": 2,
      "minimum": null,
      "maximum": null,
      "valueLabels": [],
      "trueLabel": "ON",
      "falseLabel": "OFF",
      "alarms": [],
      "unit": "W",
      "description": "Read-only ABB DMTME-compatible instrumentation value.",
      "groupId": "abb.b21.group.power"
    },
    {
      "id": "abb.b21.holding.4152.reactive-power-l1",
      "name": "Reactive power L1",
      "addressSpace": "holdingRegisters",
      "address": 4152,
      "dataType": "uint32",
      "notation": "decimal",
      "registerCount": 2,
      "byteOrder": "bigEndian",
      "wordOrder": "mostSignificantFirst",
      "scale": 1,
      "offset": 0,
      "displayDecimals": 2,
      "minimum": null,
      "maximum": null,
      "valueLabels": [],
      "trueLabel": "ON",
      "falseLabel": "OFF",
      "alarms": [],
      "unit": "VAr",
      "description": "Read-only ABB DMTME-compatible instrumentation value.",
      "groupId": "abb.b21.group.power"
    },
    {
      "id": "abb.b21.holding.4166.frequency",
      "name": "Frequency",
      "addressSpace": "holdingRegisters",
      "address": 4166,
      "dataType": "uint32",
      "notation": "decimal",
      "registerCount": 2,
      "byteOrder": "bigEndian",
      "wordOrder": "mostSignificantFirst",
      "scale": 0.001,
      "offset": 0,
      "displayDecimals": 2,
      "minimum": null,
      "maximum": null,
      "valueLabels": [],
      "trueLabel": "ON",
      "falseLabel": "OFF",
      "alarms": [],
      "unit": "Hz",
      "description": "Read-only ABB DMTME-compatible instrumentation value.",
      "groupId": "abb.b21.group.voltage-current"
    }
  ],
  "views": [
    {
      "id": "abb.b21.view.measurements",
      "name": "Core instrumentation",
      "type": "holdingRegisters",
      "addressMode": "custom",
      "startAddress": 4098,
      "quantity": 1,
      "addresses": [
        4098,
        4112,
        4120,
        4136,
        4144,
        4152,
        4166
      ],
      "pollIntervalMs": 1000
    }
  ]
}