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Created by: gnoh at: 1/23/2006 2:47 PM (1 Replies)

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1/23/2006 2:47 PM	Rate (0)
gnoh Posts: 2 Rating: (0)	I want to use visual C++ program in windows xp embedded, communicate with S7-400 PLC through ethernet.how can I do that? use OPC?
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1/23/2006 4:23 PM	Rate (0)
Chris Silver Member Joined: 8/31/2005 Last visit: 10/24/2024 Posts: 217 Rating: (41)	Hi gnoh! Yes, OPC via Industrial Ethernet is the standard way to communicate to an S7-PLC. I have found some examples: Distributed Automation with the PC - The SIMATIC NET OPC Server as PROFIBUS DP Slave (Note: This example is written in C++, but uses the OPC server as a PROFIBUS DP Slave. But the handling of the OPC server itself in C++ is nearly the same - it's more a question of the STEP 7 configuration.) Controlling with the PC - The SIMATIC NET OPC Inproc Server as DP Master (This example is also written in C++) Individual Visualization with OPC based on Microsoft® .NET and the Programming Language C# (Note: This example is written in C#, but uses communication via Industrial ethernet.) You can also order a free Quick Start CD with examples for OPC (among many others): https://www.automation.siemens.com/net/html_76/support/cdbestell.htm
	Greetings, Chris
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