6GK7343-1CX10-0XE0
Note: With the AG_Send and AG_Recv blocks it is very difficult to implement different length of telegrams. The easiest way is to go with a CPU that can speak via Ethernet and to use the TCON, TSEND/TUSEND, TDISCON blocks

2. that is a good question, afaik there is the possibility to simulate communication. But i did not try it yet, so perhaps somone else can help you.

3. --> 2. ... sry ;)