| 基于RS-485的智能仪表与PLC串行通讯 |
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| 引用本文： | 李如甲,程武山,董林. 基于RS-485的智能仪表与PLC串行通讯[J]. 仪表技术与传感器, 2011, 0(8) |
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| 作者姓名： | 李如甲 程武山 董林 |
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| 作者单位： | 上海工程技术大学,上海,201620 |
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| 基金项目： | 085重点建设学科(JX0906) |
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| 摘 要： | 采用S7-200PLC作为控制器,介绍了RS-485串行通讯技术和智能仪表-微欧仪的通讯方式,详细分析了微欧仪与PLC之间通讯的硬件连接设计和程序设计.该方案已经被实际应用于某熔断器生产线开发与研究的项目中,达到了提高控制系统的整体稳定性和可靠性的目的.
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| 关 键 词： | 智能仪表 RS-485 PLC |
Serial Communication between Intelligent Instrument and PLC Based on RS-485 |
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| LI Ru-jia,CHENG Wu-shan,DONG Lin. Serial Communication between Intelligent Instrument and PLC Based on RS-485[J]. Instrument Technique and Sensor, 2011, 0(8) |
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| Authors: | LI Ru-jia CHENG Wu-shan DONG Lin |
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| Affiliation: | LI Ru-jia,CHENG Wu-shan,DONG Lin(Shanghai University of Engineering Science,Shanghai 201620,China) |
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| Abstract: | Through adopting S7-200 PLC as controllers,this paper introduced the RS-485 serial communication technology and the communication way of intelligent instrument of micro-ohm.It analyzed the design of hardware connection and programming between PLC and intelligent instrument.The program has been applied to a project of the design of fuse line,and enhanced the overall stability and reliability of the control system. |
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| Keywords: | intelligent instrument RS4-85 PLC |
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