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PLC走向成功之路的三大关键方向

2015-12-30

PLC发展至今已有近40年的历史,随着半导体技术、计算机技术和通信技术的发展,工业控制领域已有翻天覆地的变化,PLC亦再不断的发展,并朝着新的技术发展。

  YISHIPLCWANGLUOHUAJISHUDEFAZHAN

  QIZHONGYOULIANGGEQUSHI:YIFANGMIAN,PLCWANGLUOXITONGYIJINGBUZAISHIZICHENGTIXIDEFENGBIXITONG,ERSHIXUNSUXIANGKAIFANGSHIXITONGFAZHAN,GEDAPINPAIPLCCHUWAIXINGCHENGZIJIGEJUTESEDEPLCWANGLUOXITONG,WANCHENGSHEBEIKONGZHIRENWUZHIWAI,HAIKEYIYUSHANGWEIJISUANJIGUANLIXITONGLIANWANG,SHIXIANXINXIJIAOLIU,CHENGWEIZHENGGEXINXIGUANLIXITONGDEYIBUFEN;LINGYIFANGMIAN,XIANCHANGZONGXIANJISHUDEDAOGUANGFANDECAIYONG,PLCYUQITAANZHUANGZAIXIANCHANGDEZHINENGHUASHEBEI,BIRUZHINENGYIBIAO、CHUANGANQI、ZHINENGXINGDIANCIFA、ZHINENGXINGQUDONGZHIXINGJIGOUDENG,TONGGUOYIGENCHUANSHUJIEZHI(BIRUSHUANGJIAOXIAN、TONGZHOUDIANLAN、GUANGLAN)LIANJIEQILAI,BINGANZHAOTONGYITONGXINGUIYUEHUXIANGCHUANSHUXINXI,YOUCIGOUCHENGYIGEXIANCHANGGONGYEKONGZHIWANGLUO,ZHEIZHONGWANGLUOYUDANCHUNDEPLCYUANCHENGWANGLUOXIANGBI,PEIZHIGENGLINGHUO,KUOZHANGENGFANGBIAN,ZAOJIAGENGDI,XINGNENGJIAGEBIGENGHAO,YEGENGJUKAIFANGYIYI。

  ERSHIPLCXIANGGAOXINGNENGXIAOXINGHUAFANGXIANGFAZHAN

  PLC的功能正越来越丰富,而体积则越来越小。比如三菱的FX-IS系列PLC,最小的机种,体积仅为60×90×75mm,相当于一个继电器,但却具有高速计数、斜坡、交替输出及16位四则运算等能力,还具有可调电位器时间设定功能。PLC已不再是早期那种只能进行开关量逻辑运算的产品了,而是具有越来越强的模拟量处理能力,以及其他过去只有在计算机上才能具有的高级处理能力,如浮点数运算、PID调节、温度控制、精准定位、步进驱动、报表统计等。从这种意义上说,PLC系统与DCS(集散控制系统广东11选5走势图)的差别越来越小了,用PLC同样可以构成一个过程控制系统。

广东11选5走势图  SANSHIPLCCAOZUOXIANGJIANYIHUAFANGXIANGFAZHAN

广东11选5走势图  MUQIANPLCTUIGUANGDENANDUZHIYIJIUSHIFUZADEBIANCHENGSHIDEYONGHUWANGERQUEBU,ERQIEBUTONGCHANGSHANGPLCSUOYOUBIANCHENGDEYUYANYEBUJINXIANGTONG,YONGHUWANGWANGXUYAOZHANGWOGENGDUOZHONGBIANCHENGYUYAN,NANDUJIAODA。PIDKONGZHI、WANGLUOTONGXIN、GAOSUJISHUQI、WEIZHIKONGZHI、SHUJUJILU、PEIFANGHEWENBENXIANSHIQIDENGBIANCHENGHEYINGYONGYESHIPLCCHENGXUSHEJIZHONGDENANDIAN,YONGPUTONGDEFANGFADUITAMENBIANCHENGSHI,XUYAOSHUXIYOUGUANDETESHUCUNCHUQIDEYIYI,ZAIBIANCHENGSHIDUITAMENFUZHI,YUNXINGSHITONGGUOFANGWENTAMENLAISHIXIANDUIYINGDEGONGNENG。ZHEIXIECHENGXUWANGWANGHAIYUZHONGDUANYOUGUAN,BIANCHENGDEGUOCHENGJIFANSUOYOURONGYICHUCUO,ZUAILEPLCDEJINYIBUTUIGUANGYINGYONG。PLCDEFAZHANBIRANCHAOZHECAOZUOJIANHUADUIFUZARENWUDEBIANCHENG,ZAIZHEIYIDIANSHANGXIMENZIJIUCHONGDANGLEXIANXINGZHE,XIMENZIS7-200DEBIANCHENGRUANJIANSHEJILEDALIANGDEBIANCHENGXIANGDAO,ZHIXUYAOZAIDUIHUAKUANGZHONGSHURUYIXIECANSHU,JIUKEYIZIDONGSHENGCHENGBAOKUOZHONGDUANCHENGXUZAINEIDEYONGHUCHENGXU,DADAFANGBIANLEYONGHUDESHIYONG。



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