Bluefox

@Apollon77 What do you think?

You cannot write Holding Register with Function Code 05. You can only use FC6 or FC16 for that: https://www.simplymodbus.ca/FC06.htm Do you have link to MODBUS instructions for your device?

Also das ist typisch Modbus. Man darf alles mit allem machen.  Laut Doku sind die Adressen über 40000 - Holding register und die Holding Register müssen mit FC06, FC16...

Cannot reproduce:   The leading underscore is another problem: https://github.com/ioBroker/ioBroker.modbus/issues/473

We should implement support of arrays, like string.

Is it only app access to lovelace or the web access via iobroker.pro too? I can access my lovelace via https://iobroker.pro/lovelace/ und über app.   I cannot reproduce the...

> Web Access via iobroker.pro never really worked for me. so I suggest, that we solve first this problem as we can debug in Browser. >App Access seems broken since...

> All I get in Web (and App) is this... loads for ages. From what I read the loading animation is a sign that a connection is established but the...

> `{type: "auth", access_token: "no_token"} access_token : "no_token" type : "auth"` It is too few.... That what I have: 

https://github.com/contactless/wb-mqtt -serial take some from here