Dashboard Server: Telegram of UR

Good morning togehter,

I´m struggling to get a correct answer from the UR to a Siemens PLC.

How is telegram (sended from the UR) build?
At my PLC (for testing) i put the answer of the UR in a Array of CHAR.
Everytime i send a command and i receive an answer, the answer starts somewhere different.

Does the answer of the UR include a “buffer”? How is the syntax of the Robot answer? how long is the
answer telegram? 100 Byte? 200Byte?

It´s kind of frustrating as the “manual” of the Dashboard Server Communication isn´t very helpful.