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信捷PLC輸入信號燈常亮修理

來源:昌昇自動化時間:2021-10-12

 信捷PLC輸入信號燈常亮修理∶一家蕪湖做日用金屬製品的企業聯係咱們,他們的用的信捷PLC,用yong了le很hen多duo年nian了le,前qian兩liang天tian突tu然ran有you個ge信xin號hao燈deng一yi向xiang亮liang著zhe,咱zan們men依yi據ju客ke戶hu描miao繪hui,也ye無wu法fa判pan斷duan,就jiu讓rang客ke戶hu先xian拍pai個ge視shi頻pin或huo相xiang片pian過guo來lai,咱zan們men先xian看kan下xia,是shi否fou需xu要yao修xiu理li。

 




信捷PLC輸入信號燈常亮維圖辦法:
PLC輸出接口還包含狀況指示器,可提供有用的故障排除信息。像對PLC輸shu入ru信xin號hao燈deng常chang亮liang進jin行xing故gu障zhang排pai除chu相xiang同tong,對dui輸shu出chu進jin行xing故gu障zhang排pai除chu的de第di一yi步bu是shi將jiang問wen題ti阻zu隔ge到dao模mo塊kuai,現xian場chang設she備bei或huo接jie線xian。在zai輸shu出chu模mo塊kuai上shang,用yong於yu切qie換huan輸shu出chu的de電dian源yuan功gong率lv處chu於yu正zheng確que的de水shui平ping。在zai120VAC體係中,該值應在額外值的10%以內(即108至132伏交流電之間)。別bie的de,查zha看kan輸shu入ru模mo塊kuai是shi否fou有you保bao險xian絲si燒shao斷duan。假jia如ru保bao險xian絲si燒shao斷duan,請qing查zha看kan保bao險xian絲si的de額e外wai值zhi。此ci外wai,查zha看kan輸shu出chu設she備bei的de電dian流liu要yao求qiu,以yi確que定ding該gai設she備bei是shi否fou汲ji取qu了le太tai多duo電dian流liu。
假jia如ru輸shu出chu模mo塊kuai從cong處chu理li器qi接jie收shou到dao翻fan開kai電dian源yuan的de指zhi令ling,但dan模mo塊kuai的de輸shu出chu狀zhuang況kuang沒mei有you相xiang應ying翻fan開kai,則ze輸shu出chu模mo塊kuai有you故gu障zhang。假jia如ru指zhi示shi燈deng亮liang起qi,但dan現xian場chang設she備bei未wei通tong電dian,請qing查zha看kan輸shu出chu端duan子zi上shang的de電dian壓ya,以yi保bao開kai關guan設she備bei可ke操cao作zuo。假jia如ru沒mei有you電dian壓ya,則ze應ying替ti換huan模mo塊kuai。
假(jia)如(ru)存(cun)在(zai)電(dian)壓(ya),則(ze)問(wen)題(ti)出(chu)在(zai)接(jie)線(xian)或(huo)現(xian)場(chang)設(she)備(bei)上(shang)。此(ci)時(shi),請(qing)讓(rang)與(yu)模(mo)塊(kuai)端(duan)子(zi)或(huo)揣(chuai)子(zi)塊(kuai)的(de)現(xian)場(chang)接(jie)線(xian)銜(xian)接(jie)良(liang)好(hao),而(er)且(qie)沒(mei)有(you)電(dian)線(xian)斷(duan)裂(lie)。查(zha)看(kan)模(mo)塊(kuai)後(hou),查(zha)看(kan)現(xian)場(chang)設(she)備(bei)是(shi)否(fou)正(zheng)常(chang)工(gong)作(zuo)。

在zai輸shu出chu模mo塊kuai翻fan開kai的de情qing況kuang下xia測ce量liang進jin入ru現xian場chang設she備bei的de電dian壓ya,讓rang返fan回hui線xian已yi正zheng確que銜xian接jie到dao設she備bei。假jia如ru通tong電dian,但dan設she備bei沒mei有you響xiang應ying,則ze表biao明ming現xian場chang設she備bei有you故gu障zhang。查zha看kan信xin捷jiePLC的de另ling一yi種zhong辦ban法fa是shi在zai不bu運yun用yong輸shu出chu模mo塊kuai的de情qing況kuang下xia對dui其qi進jin行xing測ce試shi。斷duan開kai輸shu出chu接jie線xian,然ran後hou將jiang現xian場chang設she備bei直zhi接jie銜xian接jie到dao電dian源yuan。假jia如ru現xian場chang設she備bei沒mei有you響xiang應ying,則ze有you故gu障zhang。假jia如ru現xian場chang設she備bei響xiang應ying,則ze問wen題ti出chu在zai設she備bei與yu輸shu出chu模mo塊kuai之zhi間jian的de接jie線xian上shang。查zha看kan接jie線xian,尋xun找zhao沿yan導dao線xian途tu徑jing的de斷duan線xian。



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