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communication between two same cpu(S7-315-2PN-DP)

8/11/2010 9:05 AM	Rate (0)
dilip_123 Posts: 73 Rating: (0)	Dear all I have two cpu S7 315-2PN DP. I want to exchange the data between these two cpus. For this communicationi am usinga SFC-67 & SFC-68. But this is not working, communication between two cpu is in MPI & communication between cpu & laptop is in ethernet. what is the maximum no. of cpu that can communicate between different cpus? please reply me.
dilip_123 Posts: 73 Rating: (0)
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8/11/2010 12:15 PM	Rate (0)
umencho Diamond Expert Joined: 3/21/2006 Last visit: 3/30/2025 Posts: 10239 Rating: (1183)	Hello, S7 Basic Communication which is supported from all S7-300/400 CPUs is generally suitable for the transmission of small data volumes via non-configured S7 connections. The problems there are limitted quantity of data and distance between both partners. Take a look at Options for communications via MPI . Give more details... Best regards, Hristo Mihalev

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8/11/2010 1:58 PM	Rate (0)
dilip_123 Posts: 73 Rating: (0)	Dear sir, Thanks for the information.It helps a lot, iam able to communicate between two same CPUs. Thanks sir.
dilip_123 Posts: 73 Rating: (0)
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This contribution was helpful to 1 thankful Users umencho

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