| PLC-单片机-点阵液晶显示器双总线监控系统的研究 |
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| 引用本文： | 蔡启仲,陈文辉. PLC-单片机-点阵液晶显示器双总线监控系统的研究[J]. 仪器仪表学报, 2002, 23(3): 241-245 |
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| 作者姓名： | 蔡启仲 陈文辉 |
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| 作者单位： | 广西工学院,广西,柳州,545006 |
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| 摘 要： | 本文基于计算机三总线的组成和时序配合的基本原理，提出了可靠程序控制器（PLC）输出信息的总线结构，应用82C55可编程接口芯片作为桥梁，将PLC输出总线与单片机总线结合，组成一种全新的控制系统。论述了其总线与单片机总线时序配合的工作原理，PLC的地址，数据结构与程序设计方法，介绍了PLC－单片机－点阵式液晶显示器监控系统电路组成的基本原则和总线时序配合的编程方法，点阵式液晶显示器汉字和字符显示编程方法，讨论了系统的可靠性，抗干扰性，PLC总线配置的灵活性等问题。
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| 关 键 词： | PLC 单片机 点阵液晶显示器 双总线监控系统 数据输出周期 时序配合 |
| 修稿时间： | 2001-04-01 |
Research of Monitoring and Control System for Programmable Controller-Single-chip-computer-Lattice-LCD of Two Buses |
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| Cai Qizhong Chen Wenhui. Research of Monitoring and Control System for Programmable Controller-Single-chip-computer-Lattice-LCD of Two Buses[J]. Chinese Journal of Scientific Instrument, 2002, 23(3): 241-245 |
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| Authors: | Cai Qizhong Chen Wenhui |
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| Abstract: | According to principle of structure and scheduling of data, address and control buses, a new design for control system is dissertated that is how to compose data output 3 buses with a programmable controller(PLC),and, how to structure two buses between PLC and single|chip|computer, one is slower for PLC; one is quicker for single|chip|computer, and how to coordinate between the buses. It is introduced basic electric circuit principle of monitoring and control system for programmable controller|single|chip|computer|lattice|LCD. According to controller of DMF50081NB|FW lattice|LCD,program method of Chinese characters and character set for the lattice|LCD. Many questions on the system's reliability?anti|jamming, configure agility for the PLC bus and content refreshing for the LCD, etc are discussed. |
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| Keywords: | Programmable controller(PLC)bus Data output periods Assorted scheduling Lattice|LCD. |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
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