PLC在氮气压缩机改造中的设计应用  

The Design and Application of PLC in the Transformation of a Nitrogen Compressor

作　　者：王辉[1] 杨军[1] 向兆永[1] 邢纹娜[1] 

机构地区：[1]莱芜钢铁集团有限公司自动化部

出　　处：《莱钢科技》2010年第4期70-72,共3页Laigang Science & Technology

摘　　要：主要介绍了原氮压机控制系统的缺陷，从多方面出发对原系统进行优化设计，并阐述了改造后新PLC系统完善的系统功能、安全可靠的连锁控制和远程监控实现。Based on an analysis of the deficiencies of the original nitrogen compressor control system, an optimized design of it was made in various aspects. This paper expatiates on the realization of the perfect system functions, safe and reliable PLC control functions and remote supervisory control of the new PLC system after transformation.

关 键 词：PLC 自协调加载 安全连锁保护 

分 类 号：TQ116.11[化学工程—无机化工]