where can i get more infomation or resources about cyclic and acyclic communication( dpv0,dpv1,dpv2).
I am a newer to enter siemens automation, I have already used siemens automation support ,but also confuzed with little information about communication, thank you for you guide .
I've found the book "The Industrial Communication Technology Handbook". Threr is a lot of information concerning Profibus DP.
Put that name in http://books.google.com/
You could try to find it in a .pdf format for download...