基于总线桥的PLC与现场设备的通信控制  

Communication control between PLC and field facilities based on bus bridge

作　　者：阮德跃 王正国 张立刚 葛阳 乔晓聪 

机构地区：[1]洛阳中重自动化工程有限责任公司,河南洛阳471003

出　　处：《矿山机械》2017年第9期64-67,共4页Mining & Processing Equipment

基　　金：国家重点基础研究发展计划项目(2014CB049402)

摘　　要：讨论了基于总线桥的PLC与变频器、变压器温控器、高压柜电流表的通信控制及实现方法。以支持PROFIBUS DP协议的西门子414-3 PN/DP型PLC、Modbus RTU协议的英威腾GD200变频器、力得LD-B10-S220F变压器温控器和斯菲尔PD194Z-2S4电流表进行通信为例,详细介绍了采用总线桥的方式实现2种不同协议设备间通信的方法,实现了对现场设备的监控。The paper discussed the communication control and realization method of PLC with frequency converter, thermostat for transformer and ammeter of high-voltage cabinet based on bus bridge. Taking the communication among SIEMENS 414-3 PN/DP PLC supporting PROFIBUS DP protocol, invt GD200 frequency converter supporting Modbus RTU protocol, Lide LD-B10-S220 F thermostat for transformer and Sfield PD194Z-2S4 ammeter, the paper detailedly introduced the method of realizing communication among facilities supporting various protocols based on bus bridge, so as to realize the monitor of the field facilities.

关 键 词：总线桥 PROFIBUS DP MODBUS RTU PLC 变频器 温控器 电流表 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]