巧用S7-200PLC开发石灰计量控制系统  

Development of Lime Estimating System in Flexible Application S7-200 PLC

作　　者：郝成[1] 王建民[1] 

机构地区：[1]河北理工大学

出　　处：《机电产品开发与创新》2005年第3期87-88,共2页Development & Innovation of Machinery & Electrical Products

摘　　要：提出了一种基于485总线的灵活配置仪表和PLC的方法,采用该方法既能快速开发,又能降低成本,为小规模技术改造提供了最佳选择。A flexible application Instrument and PLC based on RS485 is put forward, The cost is lower and the time is shorter in the method and optimum means is suggested in small technology reform.

关 键 词：仪表 PLC RS485 

分 类 号：TN77[电子电信—电路与系统]