摘要
智能抄表系统针对住宅小区的用电、用水、用气实现自动抄表、查询、催费、监控,是住宅小区智能化发展方向的一个基础环节。该文主要讲述S7—200PLC作为小区采集器在智能抄表系统中所实现的通讯功能,以及自由端口模式下编程所应注意的两个问题。
Intelligent system of meter reading is a basic link for the intelligence development in the home community. It can realize the automatic meter reading, inquiring, Payment Notice and monitor for the usage of electricity, water and gas in the community. This article mainly narrate the communication function of S7— 200PLC as community acquisition unit in the intelligent system of transcribe meter, and also two noticeable problems when programming in the free-port mode.
出处
《电脑知识与技术》
2009年第3X期2270-2272,共3页
Computer Knowledge and Technology
关键词
智能抄表系统
PLC
通讯
Intelligent system of meter reading
PLC
communication
