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Connect s7200 with two MP77

10/20/2011 5:27 PM	Rate (0)
syd_b Bronze Member Joined: 2/3/2011 Last visit: 12/12/2025 Posts: 349 Rating: (10)	Hi, I need to connect 2 panels MP377 to one CPU 222 through an EM277. Can I connect the 2 panels to 1 PLC? Do I need 2 EM277 modules? If I need to connect 1 panel at 30meters and the other at 1500m what speed do I need to set in the profibus settings? Thanks.

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10/21/2011 7:39 AM	Rate (0)
umencho Grandmaster Joined: 3/21/2006 Last visit: 1/10/2026 Posts: 10247 Rating: (1183)	syd_b Hi, I need to connect 2 panels MP377 to one CPU 222 through an EM277. Can I connect the 2 panels to 1 PLC? Do I need 2 EM277 modules? If I need to connect 1 panel at 30meters and the other at 1500m what speed do I need to set in the profibus settings? Thanks. Hello, Using EM277 there is possible to connect up to 5 HMI componenets. What should you watch out for when using the RS485 repeater in PROFIBUS and MPI bus systems? Best regards, Hristo Mihalev

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