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在自动化领域PLC控制系统的成熟应用

发布者:上海启力电机   发布日期:2016/10/20 10:00:07

 PLCKONGZHIXITONG,KEBIANCHENGLUOJIKONGZHIQI,ZHUANWEIGONGYESHENGCHANSHEJIDEYIZHONGSHUZIYUNSUANCAOZUODEDIANZIZHUANGZHI。TACAIYONGYILEIKEBIANCHENGDECUNCHUQI,YONGYUQINEIBUCUNCHUCHENGXU,ZHIXINGLUOJIYUNSUAN,SHUNXUKONGZHI,DINGSHI,JISHUYUSUANSHUCAOZUODENGMIANXIANGYONGHUDEZHILING,BINGTONGGUOSHUZIHUOMONISHISHURU/SHUCHUKONGZHIGEZHONGLEIXINGDEJIXIEHUOSHENGCHANGUOCHENG。SHIGONGYEKONGZHIDEHEXINBUFEN。XIAMIANXIAOBIANJIUJIDAJIAJIESHAOYIXIAZAIZIDONGHUALINGYUPLCKONGZHIXITONGDECHENGSHUYINGYONG?

 1.JIYUPLCDEGONGYEKONGZHIXITONGTEDIAN

 KEBIANCHENGLUOJIKONGZHIQI(Programmable Logic Controller,PLC),ZUOWEILISANKONGZHIDESHOUXUANCHANPIN,ZAIZIDONGHUALINGYUZHANJUZHESHIFENZHONGYAODEWEIZHI。JIYUPLCDEGONGYEKONGZHIXITONGYOUMOFANGYUANJIDIANQIKONGZHIYUANLIFAZHANQILAI,LIYONGCUNCHUZHIXINGLUOJIYUNSUAN、SHUNXUKONGZHI、DINGSHI、JISHUHEYUNSUANDENGCAOZUODEZHILING,BINGTONGGUOSHURU/SHUCHU(I/O)FACHUKONGZHIXINHAOHEJIESHOUSHURUXINHAO,LAIKONGZHIGELEIJIXIEHUOSHENGCHANGUOCHENG。JIYUPLCDEGONGYEKONGZHIXITONGYUQITAGONGYEKONGZHIXITONGXIANGBIJIAO,JUYOUBUKEHUSHIDEYOUDIAN:YUJIDIAN·JIECHUQIKONGZHIXITONGDEBIJIAO,PLCXITONGZAILINGHUOXINGHEKUOZHANXING、KEKAOXINGHEKEWEIHUXING、KONGZHISUDUHEWENDINGXING、YANSHIDEKEDIAOXINGYUJINGDU、SHEJIYUSHIGONG、XITONGJIAGEFANGMIANJUYOUJUDAYOUSHI,BINGDAITIJIDIAN·JIECHUQIKONGZHIGUANGFANYINGYONGYUGONGYEZIDONGKONGZHIZHONG;YUJISUANJIKONGZHIXITONGDEBIJIAO:PLCXITONGDEGONGNENGMOKUAIJIEGOU、SHUNXUSAOMIAOFANGSHIGONGZUO、ELIEGONGYEYINGYONGHUANJINGSHIYINGXINGFANGMIANDOUSHIGONGYEYONGWEIJIWUFAHEPLCXIANGBI。

 DANSHI,JISUANJIZAIXINXICHULIFANGMIANHAISHIYOUYUPLC,SUOYI,ZAIYIXIEGONGYEKONGZHIXITONGZHONG,CHANGCHANGJIANGLIANGZHEJIEHEQILAI,PLCZUOWEIXIAWEIJIJINXINGXIANCHANGKONGZHI,JISUANJIZUOWEISHANGWEIJIJINXINGXINXICHULI;YUJISANKONGZHIXITONG(Distributed Coiitrol System,DCS)DEBIJIAO:PLCZAIKAIGUANLIANGKONGZHIHESHUNXUKONGZHIFANGMIANYOUYIDINGDEYOUSHI;ERDCSZAILIANXULIANGDEMONIKONGZHIHEHUILUDIAOJIEDENGFANGMIANYOUYIDINGDEYOUSHI;DCSJUYOUKONGZHI(GONGCHENGSHIZHAN)、CAOZUO(CAOZUOYUANZHAN)、XIANCHANGYIBIAO(XIANCHANGCEKONGZHAN)SANJIJIEGOU,ZUTAICHENGXIANGDUIGUDINGDEGONGNENG,ERPLCZEDADUOXUYAOBIANCHENG,DANGENGLINGHUO,KEYISHIXIANDAGUIMODEKONGZHIXITONGWANGLUO。

 2.JIYUPLCDEGONGYEKONGZHIXITONGCESHIFANGFA

 WEIZUOHAOPLCXITONGDEZHILIANGKONGZHIGONGZUO,RUANJIANCESHISHIGONGCHENGSHISHIJIEDUANZHILIANGKONGZHIDEYIZHONGYOUXIAOSHOUDUAN。JIYUPLCRUANJIANDETESHUXING(FEICPUZHILINGDAIMA)HESHENQIANRUSHITEDIAN,QIRUANJIANCESHIHUANJINGHENNANDAJIAN,DUICESHIYONGLITEBIESHIYICHANGCESHIYONGLIDEZHURUDAILAILEKUNNAN。MUQIANZHULIUDECESHIFANGFAZHUYAOYOUSANZHONG:QUANSHUZIFANGZHENCESHIHUANJINGXIADEPLCRUANJIANCESHI、YINGJIANZAIHUILUHUANJINGXIADEPLCRUANJIANCESHI、XINGSHIHUAYANZHENG。

 YINGJIANZAIHUILU(HiL)CESHIJISHUBAOKUOSHISHICHULIQI、I/OJIEKOUHECAOZUOJIEMIAN,KEYIJINGQUEDEFANGZHENCESHIXITONGZHONGWULISHANGBINGBUCUNZAIDEBUFEN。SHISHICHULIQITIGONGYINGJIANI/OTONGXIN、SHUJUJILU、JILISHENGCHENGHEMOXINGZHIXINGDENG。I/OJIEKOUTIGONGBEICEDIANZIKONGZHIDANYUAN(ECU)YUMOXINGFANGZHENDEXUNIHUANJINGZHIJIANDECHUANGANQIHEPLCKONGZHIQIDEJIAOHU。CAOZUOJIEMIANYUSHISHICHULIQITONGXIN,TIGONGCESHIMINGLING、KESHIHUA、PEIZHIGUANLI、FENXIHEBAOGAORENWU。HiLJISHUCAIYONGYINGJIANGUZHANGCHARUZAIECUHEBEICESHIXITONGZHIJIANCHANSHENGXINHAOGUZHANG,DADAOCESHIHEYANZHENGGUZHANGTIAOJIANXIASHEBEIXINGNENGDEMUDE。

 YINGJIANZAIHUILUJISHUYUPLCXIANGJIEHE,JIANGPLCDEDIANJIXINHAO、KAIGUANLIANGXINHAODENGGEZHONGKONGZHIXINHAOZHUANHUACHENGSHUXUEMOXING,YUI/OJIEKOUMONICHENGWEIYIGESHOUKONGDUIXIANGMOXING,JIANGDIANYA、DIANLIU、DIANCI、LANGYONGMAICHONGDENGYINGJIANJILIYIJIYUEJIEZHI、FEIFAZHILING、ZHUANGCHENGXUDUAN、BAZICHENGXUDUANDENGRUANJIANGUZHANGZUOWEICESHIXULIEJIAZAIDAOSHOUKONGDUIXIANGMOXING,SHIJISHUCHUPINGJUNGUZHANGQIANSHIJIANMTBF、GUZHANGCISHU、GUZHANGLV、KEKAODUDENGZHIBIAO,TONGGUOLEIBIXITONGSHIJISHUCHUYUQIWANGSHUCHULAIYANZHENGPLCKONGZHIQI。

 YINGJIANZAIHUILUHUANJINGXIADEPLCRUANJIANCESHIKEYISHIXIANDUIBEICERUANJIANFEIQINRUSHIDE、ZUIZHENSHIDECESHI,TONGGUOYINGJIANZAIHUILUFANGZHENCESHIHUANJINGDEGOUJIAN,KEYISHIXIANYONGHUGUANXINDEGEZHONGCESHIXUQIU,RU:GONGNENG、XINGNENG、JIEKOUDENG,TEBIESHINENGSHIXIANZHENSHIDEXINGNENGCESHI。BUGUO,YOUYUZHEIZHONGFANGZHENHUANJINGDUOSHIZHENDUITEDINGBEICEMUBIAOKAIFA,ZHUANYONGXINGHENQIANG,HENNANYIZHIDAOQITATONGLEIBEICERUANJIANDECESHIHUANJINGDAJIANZHONG,ZAIYIDINGCHENGDUSHANGJIANGDILECESHIZIYUANDELIYONGXIAOLV。

 YISHANGJIUSHIXIAOBIANWEIDAJIAZONGJIEDEJIYUPLCDEGONGYEKONGZHIXITONGTEDIANJICESHIFANGFADUIZAIZIDONGHUALINGYUPLCKONGZHIXITONGDECHENGSHUYINGYONGDEJIESHAO,XIWANGNENGGOUJIDAJIADAILAIYIXIEBANGZHU。