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Communication to S7-200,CPU 226 through PC by Visual.Net SCADA

9/4/2012 1:31 PM	Rate (0)
LalitN Posts: 9 Rating: (0)	Dear Friends, We have our own SCADA developed in C# and that works at TCP modbus, we want to establish the communication between PC and theS7-200,CPU 226 PLC. Please help !! Regards, Lalit
LalitN Posts: 9 Rating: (0)
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9/4/2012 1:43 PM	Rate (0)
manmeet Gold Member Joined: 1/3/2006 Last visit: 10/7/2025 Posts: 726 Rating: (71)	Check OPC option.

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9/4/2012 1:45 PM	Rate (0)
LalitN Posts: 9 Rating: (0)	Dear Manmeet, will you tell me in details,i have not worked on OPC. Regards, Lalit
LalitN Posts: 9 Rating: (0)
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9/17/2012 11:05 PM	Rate (0)
JairVargas Bronze Member Joined: 9/15/2010 Last visit: 12/10/2024 Posts: 80 Rating: (13)	OK, Let me tell ya somethin, u gonna need an ethernet module if u wanna use the S7 communication protocol (Libnodave free library for vb.net comes to my mind). Or u can use and modbus rtu to tcp converter, then u gonna need to program in the plc side so u should be able to use you vb.net SCADA without much trouble. Oh i almost forgot about OPC, Check out "PC Access" in the search field.
	---------------------------- Jair Vargas T. Santa Cruz - Bolivia jair.dvt[at]gmail[dot]com whatsapp: +591 71336622 http://www.plc.com.bo
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