摘要
介绍了用罗克韦尔PLC设备构成温控系统的设计与研究,讨论了PLC输入输出控制的外部接口及显示扩展的软硬件设计,并对PLC和PC的通信和数据技术进行了分析,给出了部分程序。
The design and research of temperature control system composed of SLC500 PLC are introduced. The external interfacing method of PLC and PC input and output as well as the design of hardware and software for display expansion are discussed. The communication between PLC and PC and the data processing technology are analyzed. Partial program is given.
出处
《微计算机信息》
北大核心
2007年第02S期26-28,共3页
Control & Automation
关键词
PLC
温度控制
热电阻模块
通信
PLC,Temperature control,Resistance thermometry,module Communication