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PLC维修故障排查步骤的思路和方法

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PLC维修故障排查步骤的思路和方法

发布日期:2019-04-22 作者: 点击:

PLCKONGZHIXITONGGUZHANGFENWEIRUANJIANGUZHANGHEYINGJIANGUZHANGLIANGBUFEN。PLCXITONGBAOKUOZHONGYANGCHULIQI、ZHUJIXIANG、KUOZHANJIXIANG、I/OMOKUAIJIXIANGGUANDEWANGLUOHEWAIBUSHEBEI。XIANCHANGSHENGCHANKONGZHISHEBEIBAOKUOI/0DUANKOUHEXIANCHANGKONGZHIJIANCESHEBEI,RUJIDIANQI、JIECHUQI、FAMEN、DIANDONGJIDENG。1、PLCRUANJIANGUZHANG


PLCJUYOUZIZHENDUANNENGLI,FASHENGMOKUAIGONGNENGCUOWUSHIWANGWANGNENGBAOJINGBINGANYUXIANCHENGXUZUOCHUFANYING,TONGGUOGUZHANGZHISHIDENGJIUKEPANDUAN。DANGDIANYUANZHENGCHANG,GEZHISHIDENGYEZHISHIZHENGCHANG,TEBIESHISHURUXINHAOZHENGCHANG,DANXITONGGONGNENGBUZHENGCHANG(SHUCHUWUHUOLUAN)SHI,BENZHEXIANYIHOUNAN、XIANRUANHOUYINGDEJIANXIUYUANZESHOUXIANJIANCHAYONGHUCHENGXUSHIFOUCHUXIANWENTI。


PLC维修故障排查步骤的思路和方法


YONGHUCHENGXUCHUCUNZAIPLCDERAMZHONG,SHIDIAODIANYISHIXINGDE,DANGHOUBEIDIANCHIGUZHANGXITONGDIANYUANFASHENGSHANSHISHI,CHENGZIDIUSHIHUOWENLUANDEKENENGXINGJIUHENDA,QIANGLIEDEDIANCIGANRAOYEHUIYINQICHENGZICHUCUO。2、PLCYINGJIANGUZHANG①PLCZHUJIXITONGGUZHANG


A、DIANYUANXITONGGUZHANG。DIANYUANZAILIANXUGONGZUO、SANREZHONG,DIANYAHEDIANLIUDEBODONGCHONGJISHIBUKEBIMIANDE。


中原风采22选5走势图B、TONGXUNWANGLUOXITONGGUZHANG。TONGXUNJIWANGLUOSHOUWAIBUGANRAODEKENENGXINGDA,WAIBUHUANJINGSHIZAOCHENGTONGXUNWAIBUSHEBEIGUZHANGDEZUIDAYINSUZHIYI。XITONGZONGXIANDESUNHUAIZHUYAOYOUYUPLCDUOWEICHAJIANJIEGOU,ZHANGQISHIYONGCHABAMOKUAIHUIZAOCHENGJUBUYINSHUABANHUODIBAN、JIECHAJIANJIEKOUDENGCHUDEZONGXIANSUNHUAI,ZAIKONGQIWENDUBIANHUA、SHIDUBIANHUADEYINGXIANGXIA,ZONGXIANDESULIAOLAOHUA、YINSHUAXIANLUDELAOHUA、JIECHUDIANDEYANGHUADENGDOUSHIXITONGZONGXIANSUNHAODEYUANYIN。


中原风采22选5走势图②PLCDEI/ODUANKOUGUZHANG。


中原风采22选5走势图I/OMOKUAIDEGUZHANGZHUYAOSHIWAIBUGEZHONGGANRAODEYINGXIANG,SHOUXIANYAOANZHAOQISHIYONGDEYAOQIUJINXINGSHIYONG,BUKESUIYIJIANSHAOQIWAIBUBAOHUSHEBEI,QICIFENXIZHUYAODEGANRAOYINSU,DUIZHUYAOGANRAOYUANYAOJINXINGGELIHUOCHULI。③XIANCHANGKONGZHISHEBEIGUZHANG


中原风采22选5走势图A、JIDIANQI、JIECHUQI。JIANSHAOCILEIGUZHANGYINGJINLIANGXUANYONGGAOXINGNENGJIDIANQI,GAISHANYUANQIJIANSHIYONGHUANJING,JIANSHAOGENGHUANDEPINLV。XIANCHANGHUANJINGRUGUOELIE,JIECHUQICHUDIANYIDAHUOHUOYANGHUA,RANHOUFAREBIANXINGZHIZHIBUNENGSHIYONG。


中原风采22选5走势图B、FAMENHUOZHABANDENGLEISHEBEI。ZHANGQISHIYONGQUEFAWEIHU,JIXIE、DIANQITIELINGSHIGUZHANGCHANSHENGDEZHUYAOYUANYIN,YINZHEILEISHEBEIDEGUANJIANZHIXINGBUWEI,XIANGDUIDEWEIYI-BANJIAODA,HUOZHEYAOJINGGUODIANQIZHUANHUANDENGJIGEBUZHOUCAINENGWANCHENGFA[ ]HUOZHABANDEWEIZHIZHUANHUAN,HUOZHELIYONGDIANDONGZHIXINGJIGOUTUILAFA[MEN]HUOZHABANDEWEIZHIZHUANHUAN,JIXIE、DIANQI、YEYADENGGEHUANJIESHAOYOUBUDAOWEIJIUHUICHANSHENGWUCHAHUOGUZHANG。


C、开关、极限位置、安全保护和现场操作上的一一些元件或设备故障,其原因可能是因为长期磨损,或长期不用而锈蚀老化。对于这类设备故障的处理主要体现在定期维护,使设备时刻处于完好状态。对于限位开关尤其是重型设备上的限位开关除了定期检修外,还要在设计的过程中加入多重的保护措施。


D、PLC系统中的子设备,如接线盒、 线端子、螺栓螺母等处故障。这类故障产生的原因主要是设备本身的制作I艺、安装工艺及长期的打火、锈蚀等造成。根据工程经验,这类故障一般是很难发现和维修的。 diangon.com所以在设备的安装和维修中一定要按照安装要求的安装I艺进行, 不留设备隐患。


E、传感器和仪表故障。这类故障在控制系统中一般反映在信号的不正常。这类设备安装时信号线的屏蔽层应单端可靠接地,并尽量与动力电缆分开敷设,特别是高干扰的变频器输出电缆,而且要在PLC内部进行软件滤波。F、电源、地线和信号线的噪声(干扰)故障。PL C系统故障实例分析1、PLC软故障实例


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关键词:plc维修,PLC故障维修,工控设备维修

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