Contains a list of Read Orders - These are tags read via Modbus-RTU or Modbus-TCP. The Modbus-RTU connection is mostly used. Please not that the value has to be a valid address space in the "modbuscommand" section of the config.json (Also used to Write Values if a command has been received) Root Element: "readorders"

Example:

    "transportid": 2,
    "serverid": [1],
    "dataarea": 3,
    "address": 3001,
    "type": 15,
    "name": "vo",
    "bits": 32,
    "multiplefactor": 1,
    "absolutethreshold": 0,
    "registerintervaltime": 1,              
    "latestreading": 0.0,
    "logmodbusdata": true,                
    "transmissionmode": "averagereading",
    "signed": false,
    "Active": false,
    "datatype": "float",
    "swapregisters": true,
    "staticvalue": 3

Element description:

• transportid: Transport-ID were the Tag value is read from (see Element "devices")
• serverid: List of Servers to Upload to (see Element "httpservers" or "mqttbroker")
• dataarea: Address space were the value read from ("Input Register" (Read-only), "Holding Register" (Read-Write))
• address: Register to Read (or Write in case of a Command - only Holding Registers) or Object Instance No. in case of Bacnet
• type: Only used for Axonize Servers and represents the displayed unit
• name: Tag name transferred together with the value
• bits: number of bits to use to calculate the value (16, 32 or 64) - 64 bit only for double precision floating point values
• datatype: only necessary for 32bit or 64bit float or double values. Otherwise the value will be calculated via the register value and the multiplefactor (has to match with the "bits" element - float: 32, double: 64)
  • possible values: "float" or "double"
• multiplefactor: Actually the divisor used to calculate the value value = registervalue / multiplefactor (if missing default value = 1)
• swapregisters: Information how the 32 bit values are split into 16bit Registers. If "swapregisters" is set to "true" the Registers will be swapped before connecting these Registers. If the Element is missing, the default value is "false"
• registerintervaltime: multiplicator to the "basicinterval" in which updated values are transferred
• latestreading: only to display at the webserver, contains the reading of the value at the last cycle
• logmodbusdata: Enables data storage in CSV Flle (Files /unitdatabase/csv/registerlogdata.csv)
• transmissionmode: "averagereading" or "lastreading". Averagereading, values are averaged from the Last upload until the next upload is executed
• signed: not used
• active: Enables to usage of the Readorder
• absolutethreshold: Defines the difference between the last sent value and the current value, before the value will be uploaded
• relativethreshold: threshold in percent (choose between absolutetreshold). If the deviation between the last sent value and the current value exceeds the threshold, the value will be updated.
• staticvalue: Mainly for Write orders. The Gateway will always send the static value to the Fieldbus device, regardless of the value from the MQTT-Broker

      "functioncode": "Read Input Registers", 
      "transportid": 1, 
      "startingaddress": 73, 
      "quantity": 59

      "transportid": 1,
      "type": "Modbus",
      "ipaddress": "127.0.0.1",
      "port": "502",
      "unitidentifier": 1

  "name": "Test",
  "address": "sre-solutions.com",
  "port": "1885",
  "publishtopic": "v1/devices/me/telemetry",
  "accesstoken": "preAneTCuLkD705s12ZD",
  "username": "wiseenergy",
  "password": "123456",
  "serverid": 3