XIANGXINCONGSHIRECHULIGONGZUO、XINGYEDEPENGYOUMENDOUZHIDAO,HENDUOQINGKUANGXIAGANGCAICAIYONGCHAOYINPINCUIHUOLUJINXINGGANYINGJIARERECHULI,QUEBAOJIAREWENDUFUHEYAOQIUSHIBAOZHENGGANGCAIRECHULIZHILIANGDEQIANTI。DUIYUJIAREWENDUDEKONGZHI,XIANZAICAIYONGBIJIAODUODESHIPLCWENDUKONGZHIFAHEPIDWENDUKONGZHIFA。JINTIAN,ZHUANYEDE【ZHONGPINGANYINGJIARESHEBEI】CHANGJIA - HONGRIDIANZIXIAOBIANJIUJIDAJIASHUOSHUOCHANGYONGDEPLCWENDUKONGZHIFA。JUTIXIANGQINGRUXIA:
PLC温度控制法
PLCDEQUANCHENGSHIKEBIANCHENGXUKONGZHIQI,JIANGQIYINGYONGDAOGANYINGJIAREWENDUKONGZHIFANGMIAN,JIUCHENGWEIPLCKONGWENFANGFA。GAIFANGFAZHUYAOYONGLAIKONGZHIGANGSIGANYINGJIAREDIAOZHICHULIGUOCHENGZHONG,CUIHUOJIAREWENDU、HUIHUOJIAREWENDUDEKONGZHI。
PLCKONGWENDEJIANDANYUANLI:TONGGUOSHEZAICUIHUOJIAREGANYINGQIHEHUIHUOJIAREGANYINGQIMODUANDEHONGWAIXIANCEWENYI,QUDEGANGCAIDECUIHUOYUHUIHUOSHIJIWENDUXINHAO,JINGGUANGXIANDAOXIANSHUSONGZHIPLC。YUSHEDINGDECUIHUOWENDUHEHUIHUOWENDUZHIJINXINGBIJIAOHOU,DECHUSHIJIWENDUYUSHEDINGWENDUDECHAZHI。JINGPLCKONGZHIHUANJIEDEYUNSUANBINGDECHUXIANGYINGWENDUKONGZHILIANG,RANHOUSHIYONGCUIHUOKONGZHILIANGDUICUIHUOJIAREDIANYUANGONGLVJINXINGDIAOKONG;YONGHUIHUOKONGZHILIANGDUIHUIHUOJIAREDIANYUANGONGLVJINXINGDIAOKONG。ZUIHOU,SHICUIHUOHEHUIHUOWENDUFENBIEDADAOSHEDINGWENDU,SHIXIANLELIYONGPLCDUIJIAREWENDUDEKONGZHI。
3只加热感应器分别由3台电源供电,每台感应器的加热温度可以独立进行控制。PLC除对加热温度进行调控之外,还能对钢材输送速度、斜辊旋转速度、上下料动作等进行调控。PLC的控制范围比PID广泛,目前已广泛用于钢材感应加热快速热处理生产线来调控有关参数。
ZONGJIE:YISHANGJIUSHI【ZHONGPINGANYINGJIARESHEBEI】CHANGJIA - HONGRIDIANZIXIAOBIANZHENGLIDEYOUGUAN《【CHAOYINPINCUIHUOLU】GANGCAIGANYINGJIARERECHULICHANGYONGDEKONGZHIWENDUDEFANGFA - PLCWENDUKONGZHIFA》DEQUANBUNEIRONG,XIWANGDUIXINGYENEIDEPENGYOUMENYOUSUOBANGZHU。RUGUONINHAIXIANGLEJIEGENGDUOJINSHURECHULISHIWENDUKONGZHIDEXIANGGUANXINXI,QINGSHOUZANGBENZHANJISHIGUANZHUBENZHANGENGXIN。(gideondsouza.com)