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CU-320 commnunication with allen-bradely PLC

Created by: Deep Bhatt at: 12/11/2011 1:20 PM (2 Replies)

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12/11/2011 1:20 PM	Rate (0)
Deep Bhatt Posts: 241 Rating: (50)	Hello Expert I am facing problem with Communication with AB plc. The problem is that the LED of Dp of CU 320 not go to Green, Also if removed Profibus cable from Cu its not glowing RED. My LAPTOP is not going online with it.And its also not communicating with AB Plc. I have replaced whole CU with other working CU but its working at other system perfectly. I have repplaced profibus cable and connector but not working Address is also correct as set in dip switches and in parameter. Should I change Other para. setting..
Deep Bhatt Posts: 241 Rating: (50)
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12/11/2011 5:41 PM	Rate (0)
dchartier Grandmaster Joined: 9/27/2006 Last visit: 10/5/2024 Posts: 12283 Rating: (2685)	Hello Deep Bhatt; What model od A-B PLC are you using, and what communication module are you using as a Profibus master? Have youtried connecting other DP-slaves to that master, and do you have good communications with them? Every certified DP-master has some form of diagnostics, either in the ladder logic or through the Profibus configurator used to setup the network, with an Online connection.What can you read there when attempting to connect to the CU-230? Hope this helps, Daniel Chartier

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12/18/2011 4:42 PM	Rate (0)
shanker_bhati Posts: 4 Rating: (0)	Hi deep, Have you checked the interfacing card ? Check the profibus card,pin status at bottom of card with Rockwell chasis.
shanker_bhati Posts: 4 Rating: (0)
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