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mpi connection

Created by: amir1346 at: 11/4/2018 6:01 PM (4 Replies)

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11/4/2018 6:01 PM	Rate (0)
amir1346 Regular Member Joined: 3/2/2015 Last visit: 7/31/2024 Posts: 3 Rating: (0)	Hello, I'm trying to configure mpi communications between two CPU313-2DP in tia portal. can i connect these two plc by mpi?

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11/5/2018 8:18 AM	Rate (0)
Duris_I Diamond Expert Joined: 4/28/2015 Last visit: 2/24/2025 Posts: 10832 Rating: (836)	Hello, for first to be sure: 1. CPUs exact type must be available in your TIA version. 2. CPUs need have MPI port of course. 3. CPUs need have different MPI address and same comm speed. If all is ok, you can use f.ex. X_PUT/X_GET instructions/blocks for MPI data exchange. Check TIA help for that blocks, you need pay attention about max. data exchange (cca 70 bytes???).
	Last edited by: Duris_I at: 11/5/2018 8:19:05 AM With best regards... Ivan Duris Flight: OMICO
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This contribution was helpful to 1 thankful Users amir1346

11/7/2018 6:35 PM	Rate (0)
amir1346 Regular Member Joined: 3/2/2015 Last visit: 7/31/2024 Posts: 3 Rating: (0)	Duris_I Hello, for first to be sure: 1. CPUs exact type must be available in your TIA version. 2. CPUs need have MPI port of course. 3. CPUs need have different MPI address and same comm speed. If all is ok, you can use f.ex. X_PUT/X_GET instructions/blocks for MPI data exchange. Check TIA help for that blocks, you need pay attention about max. data exchange (cca 70 bytes???). thanks. do you have instruction or example for this connection? i connected two plc 1214c by profinet but i dont work to mpi.

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11/8/2018 9:18 AM	Rate (0)
Duris_I Diamond Expert Joined: 4/28/2015 Last visit: 2/24/2025 Posts: 10832 Rating: (836)	Hello, in case of S7-1200 controller, you can look to this FAQ: S7-1200 PUT/GET communication
	Last edited by: Jen_Moderator at: 11/8/2018 11:05:12 AM Optimized link. With best regards... Ivan Duris Flight: OMICO
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11/13/2018 2:12 PM	Rate (0)
Murof Platinum Member Joined: 8/3/2009 Last visit: 3/19/2025 Posts: 15032 Rating: (1866)	Hello amir1346 Here are also Information for Connecting S7PLCs: https://support.industry.siemens.com/cs/ww/en/view/20982954 Bye Murof
	If this Information really helps, you could use the Rate function
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