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Can't comunnicate betwen PLC s7 1200 and HMI ktp basic 700

7/18/2024 9:35 AM	Rate (0)
modjla Member Joined: 8/9/2021 Last visit: 9/19/2024 Posts: 13 Rating: (0)	Hello dear,i have problem with communication betwen PLC and HMI. It looks like all is ok,but i cant set tag or read them in HMI screens Attachment HMI.png (173 Downloads)

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7/18/2024 10:10 AM	Rate (0)
qwazee Platinum Member Joined: 3/30/2020 Last visit: 11/11/2024 Posts: 4944 Rating: (1010)	modjla Hello dear,i have problem with communication betwen PLC and HMI. It looks like all is ok,but i cant set tag or read them in HMI screens Have a look here: Connecting older HMI to S7-1500/1200 with newer firmware Please provide more information about your situation if the link is not helpful. Including (but not limited to) software version, PLC firmware, HMI type (part number) and HMI firmware version.
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7/18/2024 10:20 AM	Rate (0)
modjla Member Joined: 8/9/2021 Last visit: 9/19/2024 Posts: 13 Rating: (0)	Softver is Tia Portal v17 , Plc firmware version is V4.5,HMI type: 6AV2 123-2GB03-0AX0, version of HMI 15.1.0.0. I dont have connection betwen PLC and HMI i can't read or write variables,cant set tags or changes screen's.

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7/19/2024 7:49 AM	Rate (0)
Murof Platinum Expert Joined: 8/3/2009 Last visit: 11/11/2024 Posts: 14143 Rating: (1771)	Hello modjla - Use a time synchronisation on HMi to get the PLc Ttime - Which IMage do you use on the Panel and which Device version do you have set in TIA for the HMI? - Check the security settings in your PLC -> do you have activated the Secure HMI communication? which Access level do you use? Check with Simulation, does it work here? Bye Murof
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