摘  要：本文详细描述 CMDF7 以太网系列产品应用于西门子  S7-200，S7-1200 PLC 数据采集控制系统，配合 PLC 系统设计灵活配置，使整个系统高可靠、成本低、 功能强、智能化！ 关键词：CMDF7      PLC     以太网 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,[登陆后可查看全文]