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浅谈三菱PLC维修及故障诊断

2020-12-24

JIANXIUFANGFA: DAKAIJIJIANCHA,FAXIANDIANYUANSHAOHUAI,ZHENGLIUQIAOHOULVBODIANJIEDIANRONGYIZHAKAI,BAOXIANSISHAODEFAHEI,YONGWANYONGBIAOJIANCHA,ZHAKAIDELVBODIANRONGYIDUANLU。BAOXIANSIKAILU,ZHUGECHAQITAYUANJIANWEIFAXIANYOUSHAOHUAI。GENGHUANBAOXIANSIHELVBODIANJIEDIANRONGHOUTONGDIAN,CEGEZUDIANYUANDOUYIZHENGCHANG,ZHUANGHAOZHENGTAIJI,TONGDIANHOUDIANYUANZHISHIDENGLIANG,JIANGSHURUDIANYUGONGGONGDUANDUANLU,SHURUDIANDENGLIANG,SHUCHUDUIYINGDIANDENGTONGYANGLIANG。SHIYONGXITONGCESHIPINGTAIJIANYAN,ZHENGSHIYIQIEZHENGCHANG。

PLCDEGUZHANGZHENDUAN:

GEZHONGPINPAIPLCDOUJUYOUZIZHENDUANGONGNENG,DANGPLCYICHANGSHIYINGGAICHONGFENLIYONGQIZIZHENDUANGONGNENGYIFENXIGUZHANGYUANYIN。DANGPLCFA SHENGYICHANGSHI,SHOUXIANJIANCHADIANYUANDIANYA、PLCJII/ODUANZIDELUOSIHEJIECHAJIANSHIFOUSONGDONG,YIJIYOUWUQITAYICHANG。RANHOUZAIGENJUPLCJIBENDANYUANSHANGSHEZHIDEGEZHONGLEDDEZHISHIDENGZHUANGKUANG,YIJIANCHAPLCZISHENHEWAIBUYOUWUYICHANG。FASHENGCUOWUSHI,8009、8060~8068QIZHONGZHIYIDEZHIBEIXIERUTESHUSHUJUJICUNQID8004ZHONG,JIASHEZHEIGEXIERUD8004ZHONGNEIRONGSHI8064,ZETONGGUOCHAKAND8064DENEIRONGBIANKEZHIDAOCHUCUODAIMA。YUCHUCUODAIMAXIANGDUIYINGDESHIJICHUCUONEIRONGCANJIANPLCSHIYONGSHOUCEDECUOWUDAIMABIAO。

山东PLC编程

XIAMIANYISANLINGFXXILIEPLCWEILI,LAISHUOMINGGENJULEDZHISHIDENGZHUANGKUANGYIZHENDUANPLCGUZHANGYUANYINDEFANGFA。

1.DIANYUANZHISHI([POWER]LEDZHISHI)

当向山东PLC编程基本单元供电时,基本单元表面上设置的[POWER]LED指示灯会亮。如果电源合上但[POWER]LED指示灯不亮,请确认电源接线。另外,若同一电源有驱动传感器等时,请确认有无负载短路或过电流。若不是上述原因,则可能是PLC内混入导电性异物或其它异常情况,使基本单元内的保险丝熔断,此时可通过更换保险丝来解决。

2.CHUCUOZHISHI([EPROR]LEDSHANSHUO)

DANGCHENGXUYUFACUOWU(RUWANGJISHEZHIDINGSHIQIHUOJISHUQIDECHANGSHUDENG),HUOYOUYICHANGZAOYIN、DAODIANXINGYIWUHUNRUDENGYUANYINERYINQICHENGXUNEICUNDENEIRONGBIANHUASHI,[EPROR]LEDHUISHANSHUO,SANLINGPLCCHUYUSTOPZHUANGTAI,TONGSHISHUCHUQUANBUBIANWEIOFF。ZAIZHEIZHONGQINGKUANGXIA,YINGJIANCHACHENGXUSHIFOUYOUCUO,JIANCHAYOUWUDAODIANXINGYIWUHUNRUHEGAOQIANGDUZAOYINYUAN。

3.CHUCUOZHISHI([EPROR]LEDDENGLIANG)

YOUYUSANLINGPLCNEIBUHUNRUDAODIANXINGYIWUHUOSHOUWAIBUYICHANGZAOYINDEYINGXIANG,DAOZHICPUSHIKONGHUOYUNSUANZHOUQICHAOGUO200ms,ZEWDTCHUCUO,[EPROR]LEDDENGLIANG,PLCCHUYUSTOP,TONGSHISHUCHUQUANBUDOUBIANWEIOFF。CISHIKEJINXINGDUANDIANFUWEI,RUOPLCHUIFUZHENGCHANG,QINGJIANCHAYIXIAYOUWUYICHANGZAOYINFASHENGYUANHEDAODIANXINGYIWUHUNRUDEQINGKUANG。LINGWAI,QINGJIANCHAPLCDEJIEDISHIFOUFUHEYAOQIU。JIANCHAGUOCHENGRUGUOCHUXIAN[EPROR]LEDDENGLIANG→SHANSHUODEBIANHUA,QINGJINXINGCHENGXUJIANCHA。RUGUO[EPROR]LEDYIRANYIZHIBAOCHIDENGLIANGZHUANGTAISHI,QINGQUERENYIXIACHENGXUYUNSUANZHOUQISHIFOUGUOZHANG(JIANSHID8012KEZHISAOMIAOSHIJIAN)。RUGUOJINXINGQUANBUDEJIANCHAZHIHOU,[EPROR]LED DEDENGLIANGZHUANGTAIRENGBUNENGJIECHU,YINGKAOLVPLCNEIBUFASHENGLEMOUZHONGGUZHANG,QINGYUJISHUFUWUSHANGLIANXI。

4.SHURUZHISHI

BUGUANSHURUDANYUANDELEDDENGLIANGHAISHIMIE,QINGJIANCHASHURUXINHAOKAIGUANSHIFOUQUESHIZAIONHUOOFFZHUANGTAI。RUGUOSHURUKAIGUANDEEDINGDIANLIURONGLIANGGUODAHUOYOUYUYOUQINRUDENGYUANYIN,RONGYICHANSHENGJIECHUBULIANG。DANGSHURUKAIGUANYULEDDENGLIANGYONGDIANZUBINGLIANSHI,JISHISHURUKAIGUANOFFDANBINGLIANDIANLURENGDAOTONG,RENGKEDUISANLINGFXXILIEPLCJINXINGSHURU。RUGUOSHIYONGGUANGCHUANGANQIDENGSHURUSHEBEI,YOUYUFAGUANG/SHOUGUANGBUWEIZHANYOUWUGOUDENG,YINQILINGMINDUBIANHUA,YOUKENENGBUNENGWANQUANJINRU“ON”ZHUANGTAI。ZAIBISANLINGFX2NXILIEPLCYUNSUANZHOUQIDUANDESHIJIANNEI,BUNENGJIESHOUDAOONHEOFFDESHURU。RUGUOZAISHURUDUANZISHANGWAIJIABUTONGDEDIANYASHI,HUISUNHUAISHURUHUILU。

5.SHUCHUZHISHI

BUGUANSHUCHUDANYUANDELEDDENGLIANGHAISHIMIE,RUGUOFUZAIBUNENGJINXINGONHUOOFFSHI,ZHUYAOSHIYOUYUGUOZAI、FUZAIDUANLUHUORONGLIANGXINGFUZAIDECHONGJIDIANLIUDENG,YINQIJIDIANQISHUCHUJIEDIANZHANHE,HUOJIEDIANJIECHUMIANBUHAODAOZHIJIECHUBULIANG。


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