(2)openplc阶段。openplc又称pcbaseplc、softplc,是**近几年提出的一种概念,它是基于开放式pc平台和开放式开发软件的plc,它能方便的与其他软件集成及网络集成。其组成结构如图3所示。
WESTINGHOUSE EB2100LK
EATON CUTLER HAMMER Aux A1X4RTK 1493D48G02
Westinghouse EHB3040L
HOYT WESTINGHOUSE CUTLER HAMMER Size 5 A200 Contact Kit K151 Style 477B477G05
Eaton Cutler Hammer R9C3030U
Cutler Hammer WCK13 Contact Kit 1A96740G01
Cutler Hammer Westinghouse Rating Plug 2601D39G38 20PCG1600
EATON CUTLER HAMMER Circuit Breaker GHB3050 50 Amp 3 Pole 277/480 VAC
Westinghouse A200M0CA-CDZ1
CUTLER HAMMER GWF3040
CUTLER HAMMER WESTINGHOUSE RETRPLUG Rating Plug RP6A16A120 3D86766G25
EATON CUTLER HAMMER E101A09D3A
EATON CUTLER HAMMER Reversing Contactor 24VAC Coil CE52BNC310T