Diff B/n Ethernet And Devicenet

[lchamarthi 2]

Dear All, I am New to Network communications. I had CJ1M-CPU13 PLC & NS5 HMI. I made PLC to talk with NS5 with a PC.Now I w'd like to learn Industrial Automation I would like know the scope/background of going to Device Net, Ethernet, Field Bus..Comp Bus..etc which terms i heard till now. Shall anybody give good start up in networking of PLC''s using Ethernet,Devicenet..above. Thanks in Advance Lakshmi

[BobB 58]

Here is a link to a fieldbus site http://ourworld.cs.com/rahulsebos/ and www.modbus.org Modbus RTU, ASCII, TCP) and www.odva.org (Device Net) Have a good look there for some ideas. ODVA also has info on Ethernet IP.

[banker 2]

Hi Link to Profibus http://www.profibus.com/ I use Profibus with Omron PLC. And it work find for me. Fast and easy to set up. Banker