摘  要：本文詳細描述 CMDF7 以太網系列產品應用于西門子  S7-200，S7-1200 PLC 數據采集控制系統，配合 PLC 系統設計靈活配置，使整個系統高可靠、成本低、 功能強、智能化！ 關鍵詞：CMDF7      PLC     以太網 Abstract: In this paper, a detailed description CMDF7 Ethernet series products used in the control system of Siemens S7-200, s7-1200 PLC data acquisition, with the PLC system design of flexible configuration, the system with high reliability,[登陸后可查看全文]