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connect a PC (with master function) and 2 PLCs S7-200 (with slave function). Question about Hardware

1/28/2010 5:09 PM	Rate (0)
NamHo Posts: 4 Rating: (0)	Hi friends ! I am trying to connect a PC (with master function) and 2 PLCs S7-200 (with slave function) by Modbus protocol . Now,I don't know what would I do ? Can you answer my wonders ? First, The hardware ? Do i have to use a modem to connect S7-200 to suitable with Modbus protocol or just use cable. How can i connect S7-200 with PC to use Modbus protocol ? [schnippschnapp] Please help me soon ! Thanks a lot ! ps: My English not good ! thanks !
NamHo Posts: 4 Rating: (0)	Last edited by: O_Moderator at: 2/2/2010 12:33 PM new subject after splitting from /tf/WW/en/Posts/35653#top
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1/28/2010 5:26 PM	Rate (0)
Robster Gold Member Joined: 5/28/2008 Last visit: 3/6/2025 Posts: 1343 Rating: (141)	Dear NamHo, firstly I would recommend you to have a look to these FAQ's. I think many of your questions are answered there: First: Hardware: How do you implement MODBUS communication with S7-200? [schniuppschnapp] regards
	Last edited by: O_Moderator at: 2/2/2010 12:36 PM
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1/28/2010 5:40 PM	Rate (0)
NamHo Posts: 4 Rating: (0)	Thanks a lot, Robster . I am reading your address ! Thanks again!
NamHo Posts: 4 Rating: (0)
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