DCS与DEH通讯存在问题及解决方案  

Problems in the Communication between DCS and DEH and the Solutions

作　　者：朱亚清[1] 

机构地区：[1]广东省电力试验研究所,广东广州510600

出　　处：《自动化博览》2007年第1期60-60,62,63,共3页Automation Panorama1

摘　　要：文章介绍了EMERSON公司的OVATION DCS系统与新华公司的XDPX 400 DEH系统采用TCP/IP通讯存在的问题及解决方法,讲述了采用双通讯通道实现通讯冗余的方法,解决通讯不能冗余的问题,提高了DCS与DEH两系统之间通讯的可靠性。This article introduces the problems of The TCP/IP communication between the OVATION DCS system from EMERSON Company and XDPX400 DEH system from XinHua Company and gives the solutions. Moreover it presents how to solve communication redundance and to improve the reliability of the communication between the DCS and the DEH by utilizing two communication channels.

关 键 词：汽轮机数字电液控制系统(DEH) 分散控制系统(DCS) MODBUS协议 

分 类 号：TP273.5[自动化与计算机技术—检测技术与自动化装置]