MODBUS RTU解析与应用  

MODBUS RTU Analysis and Application

作　　者：王小祥 Wang Xiaoxiang(Wuxi Technician College,Wuxi Jiangsu 214000)

机构地区：[1]无锡技师学院,江苏无锡214000

出　　处：《现代工业经济和信息化》2021年第9期133-136,共4页Modern Industrial Economy and Informationization

摘　　要：MODBUS协议是工业控制领域常用的通信协议,可将不同厂商的控制设备连成工业网络,集中进行监控。文章以西门子S7-200 SMART CPU、温湿度传感器及MODBUS调试软件为例,介绍MODBUS RTU协议通讯知识和数据操作,以更进一步理解MODBUS RTU协议。MODBUS protocol is a commonly used communication protocol in the field of industrial control,which can connect control equipment of different manufacturers into an industrial network for centralized monitoring.This article takes Siemens S7-200 SMART CPU,temperature and humidity sensor and MODBUS debugging software as examples to introduce the MODBUS RTU protocol communication knowledge and data operation,and further understand the MODBUS RTU protocol.

关 键 词：MODBUS RTU协议 功能码 MODBUS地址 

分 类 号：TP273.5[自动化与计算机技术—检测技术与自动化装置]