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How to establish communication between ET200SP PLC and MP277 HMI using TIA Portal v14

Created by: DanS_94 at: 2/18/2023 3:35 PM (4 Replies)

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2/18/2023 3:35 PM	Rate (0)
DanS_94 Member Joined: 7/15/2019 Last visit: 10/8/2025 Posts: 2 Rating: (0)	Hello Everyone, Lately I'm facing a problem in a retrofit project where S7-200 CPU 226CN system is being upgraded to ET200SP CPU 1512SP system. In the existing system, there is a MP277 10" Touch Panel HMI which is needed to be communicated from new ET200SP PLC. HMI project backup has been migrated from WinCC Flexible to TIA v14 successfully. But during simulation of HMI RT in TIA v14 with ET200SP PLC, the HMI is found not communicating with the PLC. Here I'm attaching the test project backup where KTP700 Basic HMI and MP277 10" Touch HMI communicating simultaneously with S7-1200 PLC & ET200SP PLC. During simulation it is observed that MP277 10" Touch is communicating successfully with S7-1200 PLC but not with ET200SP PLC, whereas KTP700 Basic is communicating with both. Please help to resolve this communication issue Thanks in advance Attachment Test Project 2.zip (282 Downloads)

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2/20/2023 11:45 AM	Rate (0)
serendipity0 Posts: 304 Rating: (27)	Hi! Your current panel (MP277), depending on which version of TIA Portal it is programmed in, will communicate with the S7-1500 in one way or another. You can check that information in the following link. https://support.industry.siemens.com/cs/ww/en/view/109475049 Br!
serendipity0 Posts: 304 Rating: (27)
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This contribution was helpful to 1 thankful Users DanS_94

2/20/2023 3:39 PM	Rate (0)
Prof. Frink Platinum Expert Joined: 7/5/2013 Last visit: 1/16/2026 Posts: 3275 Rating: (526)	Hi Dan, from provided test project I didn't find a possible cause. That's why I wonder if the hardware configuration was loaded to the ET200SP including the current IP address. As tags to ET200SP (PLC_2) seem to be copies of tags to other PLC, did you compile all before loading MP277? Regards, Frink
	Pi is exactly three! All you have to do is think of things which people need but which don’t exist yet.
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This contribution was helpful to 1 thankful Users DanS_94

2/23/2023 10:05 AM	Rate (0)
Murof Platinum Expert Joined: 8/3/2009 Last visit: 1/16/2026 Posts: 16644 Rating: (1944)	Hello do you connect your Multiplanel in simulation to the PLC Simulation? If yes this will not work: https://support.industry.siemens.com/cs/ww/en/view/109742764 -> The Image of the HMI is tool old to connect to PLC Sim V14 or newer But a communication to the real PLC should work. (I would not test with M -> use a DB with absolute addressing and activate the Put Get communication for testing) Bye Murof
	Last edited by: Murof at: 02/23/2023 10:07:06 If this Information really helps, you could use the Rate function
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This contribution was helpful to 1 thankful Users DanS_94

3/5/2023 8:56 AM	Rate (0)
DanS_94 Member Joined: 7/15/2019 Last visit: 10/8/2025 Posts: 2 Rating: (0)	Dear All, Thank you very much for spending your invaluable time and provide me with indispensable suggestions/ solutions for this problem. The problem is solved right now. Dear Murof, you were right, the Panel HMI communication didn't communicate in RT simulation with PLCSIM, but in actual hardware it did. Dear serendipity0, your link was extremely helpful, MP277 Panel HMI communicates with ET200SP PLC using Communication Route "B". Thank you all again for your support.

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