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Realization of Bulk Data Exchange between WinCC and S7-400 PLC
Author(s): 
Pages: 9-12
Year: Issue:  4
Journal: Instrumentation Technology

Keyword:  S7-400 PLCbulk data exchangeSTEP7WinCC;
Abstract: In order to achieve bulk data exchange between the computer and S7-400PLC,method of large amount of data exchange between WinCC and Siemens S7-400PLC controller was introduced. The hardware and software configuration of STEP7 and WinCC to realize data exchange was given. Meantime,the method about how to establish an Ethernet connection between WinCC and PLC was also described in detail. Besides that,a custom data type and length to be sent in the program was defined and an example program was given. In order to realize the diagnosis of the transmitted data,a diagnostic window dialog in the operation screen of WinCC is established to realize visualization of the transmitted data.
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