抑制铝轧机PLC干扰信号的方法  

The Method for Restraining Interference Signals for the PLC of Aluminum Rolling Mill

作　　者：国剑锋[1] 杨君[1] 

机构地区：[1]东北轻合金有限责任公司,哈尔滨150060

出　　处：《黑龙江冶金》2011年第3期34-35,共2页

摘　　要：本文从硬件和软件两方面介绍了铝轧机PLC抗干扰的方法,给出梯形图程序示例,介绍了软件滤波抗干扰的措施。具有程序易于实现,所需扫描时间短,效果好的特点。The anti - interference method of PLC is introduced from the aspects of hardware and soft- ware ; Examples of ladder diagram program are given, and the method of software filter for anti - inter- ference is introduced which is featured by easily realizing, short scanning time and better effect.

关 键 词：PLC 抗干扰 滤波 梯形图 

分 类 号：TG334.9[金属学及工艺—金属压力加工]