[?]: how to connect two plc s7-300 in Tia Portal V12

[xuankhanh]

Help me program in Tia Portal V12 how to connect 2 plc s7-300 by MPI, PROFIBUS, AND ETHERNET.
THEY ARE DIFFERENT WITH STEP7 V5.5.

when i try to connect by Ethernet. I change configuration but i can't

i use AG_SEND to send data:

and use AG_RECV to receive data:


but i can't connect 2 cpu .
every body can help me.

and tutorial about MPI and PROFIBUS

[xuankhanh]

anyone could help me???
I'm looking for Everday and try to program but unsuccessful

and here are facebook group have many problem about PLC:
https://www.facebook.com/groups/PLC.HMI.SCADA/
anyone love PLC can join.