基于S7-300/200 PLC和Modbus协议的电力参数采集系统  

Electrical Parameter Acquisition System Based on S7-300/200 PLC and Modbus Protocol

作　　者：徐鹏鹏[1] 

机构地区：[1]河南煤业化工集团永煤公司新桥煤矿,河南永城476600

出　　处：《工矿自动化》2011年第12期104-107,共4页Journal Of Mine Automation

摘　　要：介绍了基于S7-300/200 PLC和Modbus协议的电力参数采集系统的硬件结构和S7-200 PLC的程序设计,阐述了S7-300 PLC通过MPI通信读取S7-200 PLC中存放的电量参数的过程。实际应用表明,该系统应用简便,运行稳定可靠,在工程上具有一定的参考意义。The paper introduced hardware structure of electrical parameter acquisition system based on S7-300/200 PLC and Modbus protocol and design of program of S7-200 PLC,and expounded process that S7-300 PLC reads electrical parameters stored in S7-200 PLC through MPI communication.The practical application showed that the system is simple and convenient in application,stable and reliable in running,which has certain reference value in engineering.

关 键 词：中央泵房 电力参数 采集系统 通信接口 MODBUS协议 MPI通信 

分 类 号：TD611[矿业工程—矿山机电]