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Nodbus communication

2015-11-19View Original

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The Allen-Bradley DCS at the site cannot communicate with a Mitsubishi PLC; currently, a laptop is being used to test the signals coming from the site, and these signals function normally when sent to the DCS. Has anyone encountered this issue before? I encountered the same issue before when communicating with Siemens PLCs; connecting the shield to the 24V terminal resolved it.
Reply #22015-11-19
Recently, I implemented Profibus communication between Allen-Bradley and S7-300, and was able to read data successfully

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Translated at 2026-07-21 01:16:52

Original: https://bbs.hcbbs.com/thread-1500200-1-1.html

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