Wattwatchers

Wattwatchers Modbus API

Operations related to Modbus

Documentation GitHub OpenAPI

Operations 3

GET /modbus/{device-id} Get modbus energy data for a device #

GET /modbus/{device-id}/first Get first modbus energy data entry #

GET /modbus/{device-id}/latest Get latest modbus energy data entry #

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OpenAPI Specification

openapi: 3.2.0
info:
  title: Wattwatchers Modbus API
  description: API for accessing Wattwatchers data and functionality
  contact:
    name: Wattwatchers Support
    url: https://service.wattwatchers.com.au/kb-tickets/new
    email: support@wattwatchers.com.au
  version: 3.6.0
servers:
- description: Wattwatchers API v3
  url: https://api-v3.wattwatchers.com.au
tags:
- name: Modbus
  description: Operations related to Modbus
paths:
  /modbus/{device-id}:
    get:
      tags:
      - Modbus
      summary: Get modbus energy data for a device
      description: Returns the modbus energy data for a specific device.
      operationId: getModbusData
      parameters:
      - $ref: '#/components/parameters/deviceId'
      - $ref: '#/components/parameters/fromTsModbus'
      - $ref: '#/components/parameters/toTsModbus'
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                oneOf:
                - $ref: '#/components/schemas/ModbusDataPMC-340B'
                - $ref: '#/components/schemas/ModbusDataPMC-220'
              examples:
                PMC-340B:
                  description: Response for a PMC-340B device
                  value:
                  - _Ia: 0
                    _Ib: 0
                    _Ic: 0
                    _PFa: 1
                    _PFb: 1
                    _PFc: 1
                    _Uan: 244.8056182861328
                    _Ubn: 122.43417358398438
                    _Ucn: 122.45341491699219
                    kVAh: 0
                    kWh_Exp: 0
                    kWh_Imp: 0
                    kWh_Net: 0
                    kWh_Tot: 0
                    kvarh_Q1: 0
                    kvarh_Q2: 0
                    kvarh_Q3: 0
                    kvarh_Q4: 0
                    kvarh_Exp: 0
                    kvarh_Imp: 0
                    kvarh_Net: 0
                    kvarh_Tot: 0
                    model: PMC-340B
                    timestamp: 1546952400
                PMC-220:
                  description: Response for a PMC-220 device
                  value:
                  - _I: 0.3065536916255951
                    _V: 245.0169219970703
                    _PF: 0.5856215357780457
                    kVAh: 616
                    kWh_Exp: 0
                    kWh_Imp: 283
                    kWh_Net: 283
                    kWh_Tot: 283
                    kvarh_Exp: 173
                    kvarh_Imp: 0
                    kvarh_Net: -173
                    kvarh_Tot: 173
                    model: PMC-220
                    timestamp: 1546956000
        '204':
          description: No Content - No modbus data has been received from the device, or the device is not a modbus-capable device
        '422':
          description: Unprocessable Entity
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
              examples:
                PeriodTooLong:
                  value:
                    code: UNPROCESSABLE_ENTITY
                    httpCode: 422
                    message: The requested time period is greater than 7 days.
                NonModbusDevice:
                  value:
                    code: UNPROCESSABLE ENTITY
                    httpCode: 422
                    message: You have attempted to query modbus data for a device ID that does not support it
      security:
      - BearerAuth: []
  /modbus/{device-id}/first:
    get:
      tags:
      - Modbus
      summary: Get first modbus energy data entry
      description: Returns the first recorded modbus energy data entry for a specific device.
      operationId: getFirstModbusData
      parameters:
      - $ref: '#/components/parameters/deviceId'
      - $ref: '#/components/parameters/fieldsEnergyTimestamp'
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                oneOf:
                - $ref: '#/components/schemas/ModbusDataPointPMC-340B'
                - $ref: '#/components/schemas/ModbusDataPointPMC-220'
              examples:
                PMC-340B:
                  $ref: '#/components/examples/PMC-340B'
                PMC-220:
                  $ref: '#/components/examples/PMC-220'
                withTimestampOnly:
                  $ref: '#/components/examples/FirstLastTimestampOnly'
        '204':
          description: No Content - No modbus data has been received from the device, or the device is not a modbus-capable device
        '422':
          description: Unprocessable Entity
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
              example:
                code: UNPROCESSABLE ENTITY
                httpCode: 422
                message: You have attempted to query modbus data for a device ID that does not support it
      security:
      - BearerAuth: []
  /modbus/{device-id}/latest:
    get:
      tags:
      - Modbus
      summary: Get latest modbus energy data entry
      description: Returns the most recent recorded modbus energy data entry for a specific device.
      operationId: getLatestModbusData
      parameters:
      - $ref: '#/components/parameters/deviceId'
      - $ref: '#/components/parameters/fieldsEnergyTimestamp'
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                oneOf:
                - $ref: '#/components/schemas/ModbusDataPointPMC-340B'
                - $ref: '#/components/schemas/ModbusDataPointPMC-220'
              examples:
                PMC-340B:
                  $ref: '#/components/examples/PMC-340B'
                PMC-220:
                  $ref: '#/components/examples/PMC-220'
                withTimestampOnly:
                  $ref: '#/components/examples/FirstLastTimestampOnly'
        '204':
          description: No Content - No modbus data has been received from the device, or the device is not a modbus-capable device
        '422':
          description: Unprocessable Entity
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
              example:
                code: UNPROCESSABLE ENTITY
                httpCode: 422
                message: You have attempted to query modbus data for a device ID that does not support it
      security:
      - BearerAuth: []
components:
  schemas:
    ModbusDataPMC-340B:
      type: array
      title: Data for Modbus PMC-340B device
      description: An array of modbus data points
      items:
        $ref: '#/components/schemas/ModbusDataPointPMC-340B'
    ModbusDataPointPMC-220:
      type: object
      title: Data point for Modbus PMC-220 device
      description: Modbus data point for PMC-220
      properties:
        _I:
          type: number
          format: float
          description: Current in Amperes
          example: 0.3065536916255951
        _PF:
          type: number
          format: float
          description: Power Factor
          example: 0.5856215357780457
        _V:
          type: number
          format: float
          description: Voltage
          example: 245.0169219970703
        kVAh:
          type: integer
          format: int32
          description: Apparent power in 0.01kVAh
          example: 0
        kWh_Exp:
          type: integer
          format: int32
          description: Real energy export in 0.01kWh
          example: 0
        kWh_Imp:
          type: integer
          format: int32
          description: Real energy import in 0.01kWh
          example: 0
        kWh_Net:
          type: integer
          format: int32
          description: Real energy net in 0.01kWh
          example: 0
        kWh_Tot:
          type: integer
          format: int32
          description: Real energy total in 0.01kWh
          example: 0
        kvarh_Exp:
          type: integer
          format: int32
          description: kvarh export in 0.01kvarh
          example: 0
        kvarh_Imp:
          type: integer
          format: int32
          description: kvarh import in 0.01kvarh
          example: 0
        kvarh_Net:
          type: integer
          format: int32
          description: kvarh net in 0.01kvarh
          example: 0
        kvarh_Tot:
          type: integer
          format: int32
          description: kvarh total in 0.01kvarh
          example: 0
        model:
          type: string
          description: The device model that was attached to the device at the time the data was collected.
          example: PMC-220
        timestamp:
          type: integer
          format: int32
          description: The Unix timestamp in seconds when the data was captured on the device.
          example: 1546952400
    Error:
      title: Error response
      description: Error object
      type: object
      properties:
        code:
          description: Error code
          type: string
          example: Unauthorized
        httpCode:
          description: HTTP error code
          type: integer
          example: 401
        message:
          description: Error message
          type: string
          example: API key is missing or invalid.
    ModbusDataPointPMC-340B:
      type: object
      title: Data point for Modbus PMC-340B device
      description: Modbus data point for PMC-340B
      properties:
        _Ia:
          type: number
          format: float
          description: Current in Amperes for the A phase
          example: 0.0
        _Ib:
          type: number
          format: float
          description: Current in Amperes for the B phase
          example: 0.0
        _Ic:
          type: number
          format: float
          description: Current in Amperes for the C phase
          example: 0.0
        _PFa:
          type: number
          format: float
          description: Power Factor for the A phase
          example: 1.0
        _PFb:
          type: number
          format: float
          description: Power Factor for the B phase
          example: 1.0
        _PFc:
          type: number
          format: float
          description: Power Factor for the C phase
          example: 1.0
        _Uan:
          type: number
          format: float
          description: The phase-neutral Voltagesfor the A phase
          example: 0.0
        _Ubn:
          type: number
          format: float
          description: The phase-neutral Voltagesfor the B phase
          example: 0.0
        _Ucn:
          type: number
          format: float
          description: The phase-neutral Voltagesfor the C phase
          example: 0.0
        kVAh:
          type: integer
          format: int32
          description: Apparent power in 0.01kVAh
          example: 0
        kWh_Exp:
          type: integer
          format: int32
          description: Real energy export in 0.01kWh
          example: 0
        kWh_Imp:
          type: integer
          format: int32
          description: Real energy import in 0.01kWh
          example: 0
        kWh_Net:
          type: integer
          format: int32
          description: Real energy net in 0.01kWh
          example: 0
        kWh_Tot:
          type: integer
          format: int32
          description: Real energy total in 0.01kWh
          example: 0
        kvarh_Q1:
          type: integer
          format: int32
          description: kvarh in Q1 in 0.01kvarh
          example: 0
        kvarh_Q2:
          type: integer
          format: int32
          description: kvarh in Q2 in 0.01kvarh
          example: 0
        kvarh_Q3:
          type: integer
          format: int32
          description: kvarh in Q3 in 0.01kvarh
          example: 0
        kvarh_Q4:
          type: integer
          format: int32
          description: kvarh in Q4 in 0.01kvarh
          example: 0
        kvarh_Exp:
          type: integer
          format: int32
          description: kvarh export in 0.01kvarh
          example: 0
        kvarh_Imp:
          type: integer
          format: int32
          description: kvarh import in 0.01kvarh
          example: 0
        kvarh_Net:
          type: integer
          format: int32
          description: kvarh net in 0.01kvarh
          example: 0
        kvarh_Tot:
          type: integer
          format: int32
          description: kvarh total in 0.01kvarh
          example: 0
        model:
          type: string
          description: The device model that was attached to the device at the time the data was collected.
          example: PMC-340B
        timestamp:
          type: integer
          format: int32
          description: The Unix timestamp in seconds when the data was captured on the device.
          example: 1546952400
    ModbusDataPMC-220:
      type: array
      title: Data for Modbus PMC-220 device
      description: An array of Modbus data points
      items:
        $ref: '#/components/schemas/ModbusDataPointPMC-220'
  parameters:
    fieldsEnergyTimestamp:
      name: fields[energy]
      in: query
      required: false
      schema:
        type: string
        enum:
        - timestamp
      example: timestamp
      description: fields[energy]=timestamp will return just the timestamp attribute in the returned data object.
    deviceId:
      name: device-id
      in: path
      required: true
      schema:
        type: string
      description: The ID of the device
      example: D123456789012
    toTsModbus:
      name: toTs
      in: query
      required: false
      schema:
        type: integer
      example: 1546956000
      description: Unix timestamp, seconds since epoch. Returns data with timestamp < toTs. Default (if not provided) = 7 days after fromTs.
    fromTsModbus:
      name: fromTs
      in: query
      required: false
      schema:
        type: integer
      example: 1546952400
      description: Unix timestamp, seconds since epoch. Returns data with timestamp >= fromTs.
  examples:
    PMC-220:
      description: Response for a PMC-220 device
      value:
        _I: 0.3065536916255951
        _V: 245.0169219970703
        _PF: 0.5856215357780457
        kVAh: 616
        kWh_Exp: 0
        kWh_Imp: 283
        kWh_Net: 283
        kWh_Tot: 283
        kvarh_Exp: 173
        kvarh_Imp: 0
        kvarh_Net: -173
        kvarh_Tot: 173
        model: PMC-220
        timestamp: 1550622145
    FirstLastTimestampOnly:
      value:
        timestamp: 1550622145
    PMC-340B:
      description: Response for a PMC-340B device
      value:
        _Ia: 0
        _Ib: 0
        _Ic: 0
        _PFa: 1
        _PFb: 1
        _PFc: 1
        _Uan: 244.8056182861328
        _Ubn: 122.43417358398438
        _Ucn: 122.45341491699219
        kVAh: 0
        kWh_Exp: 0
        kWh_Imp: 0
        kWh_Net: 0
        kWh_Tot: 0
        kvarh_Q1: 0
        kvarh_Q2: 0
        kvarh_Q3: 0
        kvarh_Q4: 0
        kvarh_Exp: 0
        kvarh_Imp: 0
        kvarh_Net: 0
        kvarh_Tot: 0
        model: PMC-340B
        timestamp: 1550622145
  securitySchemes:
    BearerAuth:
      description: Bearer token authentication
      type: http
      scheme: bearer