有一份,供参考:! P' ~# x8 e6 i( T9 _
Development of a monitoring and control platform for PLC-based applications/ P: T% ]" g* w
Computer Standards & Interfaces, Volume 30, Issue 3, March 2008, Pages 157-166" K# ^8 k# {2 e
S. Da'na, A. Sagahyroon, A. Elrayes, A.R. Al-Ali and R. Al-Aydi3 v/ t* W+ h- ?0 [; U
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