telegraf/plugins/inputs/modbus/testcases/duplicate_fields_different_slave/telegraf.conf

[[inputs.modbus]]
  name = "Device"
  timeout = "1s"
  controller = "tcp://localhost:502"

  configuration_type = "request"

  [[inputs.modbus.request]]
    slave_id = 1
    byte_order = "ABCD"
    register = "input"
    fields = [
      {address=200, name="Voltage", type="INT32", measurement="V", omit=false},
    ]

    [inputs.modbus.request.tags]
      element = "EleMeter 1"

  [[inputs.modbus.request]]
    slave_id = 2
    byte_order = "ABCD"
    register = "input"
    fields = [
      {address=200, name="Voltage", type="INT32", measurement="V", omit=false},
    ]

    [inputs.modbus.request.tags]
      element = "EleMeter 2"