[?]: cyclic and acyclic communication( dpv0,dpv1,dpv2)

SIMATIC S7-200/300/400, Step7, PCS7, CFC, SFC, PDM, PLCSIM,
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jiazhenhong
Posts: 2
Joined: Thu Apr 16, 2009 1:56 am
Location: CHINA

[?]: cyclic and acyclic communication( dpv0,dpv1,dpv2)

Post by jiazhenhong »

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 . :|
bilbo
Posts: 7
Joined: Fri Jul 04, 2008 3:08 pm
Location: Europe

Post by bilbo »

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...