LM und Daikin RTD-W - Modbus

[mkoermer]

Short intermediate result, if I now query a holding register under RTU read test z. B. H0001 (i.e. 1) I also get an answer from the device!

Here is the picture.

d. H. but that the connection to the device works right?

But then why the error message?

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Code:

{
  "product_code": "RT",
  "manufacturer": "Realtime",
  "name": "RTD-W Control",
  "product_range": "Realtime Modbus",
  "description": "Realtime Modbus RT ",
  "mapping": [
    {
      "name": "Sollwert Wasservorlauf Heizen",
      "address": "H0001",
      "bus_datatype": 7,
      "datatype": "uint16",
      "type": "register",
      "units": "Grad",
      "read_swap": "n"
    },
    {
      "name": "Sollwert Wasservorlauf Kuehlen",
      "address": "H0002",
      "bus_datatype": 7,
      "datatype": "uint16",
      "type": "register",
      "units": "Grad",
      "read_swap": "n"
    },
    {
      "name": "Betrieb ein/aus",
      "address": "H0004",
      "bus_datatype": 1,
      "datatype": "bool",
      "type": "register",
      "units": "",
      "read_swap": "n"
    },
    {
      "name": "Auslesen Betrieb ein/aus",
      "address": "I0070",
      "bus_datatype": 1,
      "datatype": "bool",
      "type": "register",
      "units": ""
    }
  ]
}