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WRITING VALUE FROM WINCC FLEXIBLE

7/6/2010 11:54 AM	Rate (0)
pratheesh Posts: 9 Rating: (0)	Hi all i have a system with 2 plc and 1 touchpanel MP277 10" TOUCH. the value of both plc can be read in the hmi. Is it possible to move the value of a tag of say plc1 to another tag in plc2 through hmi. do i have to do any scripts in wincc flexible. please help me regards PRATHEESH
pratheesh Posts: 9 Rating: (0)
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7/6/2010 12:20 PM	Rate (0)
RBM Bronze Member Joined: 8/21/2008 Last visit: 1/12/2026 Posts: 141 Rating: (6)	pratheesh Hi all i have a system with 2 plc and 1 touchpanel MP277 10" TOUCH. the value of both plc can be read in the hmi. Is it possible to move the value of a tag of say plc1 to another tag in plc2 through hmi. do i have to do any scripts in wincc flexible. please help me regards PRATHEESH Hi Pratheesh, If you are using MPI communication, then you can directly send/receive data through global data connections. Communication between CPU's rgds, RBM rgds, RBM

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7/6/2010 12:29 PM	Rate (0)
pratheesh Posts: 9 Rating: (0)	Dear all i am using profibus communication. if possible please giv me a script to move values
pratheesh Posts: 9 Rating: (0)
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7/6/2010 12:55 PM	Rate (0)
RBM Bronze Member Joined: 8/21/2008 Last visit: 1/12/2026 Posts: 141 Rating: (6)	pratheesh Dear all i am using profibus communication. if possible please giv me a script to move values Hi, i dont know about data transfer via scripts, but i had seen a post fromdchartierregarding communication between 2 CPU's using profibus. it may find helpful. Communucation between two PLC

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7/6/2010 2:10 PM	Rate (0)
viktar Posts: 3 Rating: (0)	Make "Initiate Communication" boolean tag in one PLC that flashes ON and OFF. Tide new tag to the tag in HMI. Add the script to HMI like: SmartTags("PLC2_Receive_Tag") = SmartTags("PLC1_Send_Tag") Execute the script with "Init comm" HMI tag "On Change" event. Be aware that this method much slower than directly PLC-to-PLC.
viktar Posts: 3 Rating: (0)
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8/25/2010 9:05 PM	Rate (0)
Elena Posts: 12 Rating: (0)	Thanks Viktar! That worked perfectly!
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