{"id":2882,"date":"2020-10-07T06:20:38","date_gmt":"2020-10-07T06:20:38","guid":{"rendered":"https:\/\/3.212.105.250\/?p=2882"},"modified":"2025-07-26T16:48:03","modified_gmt":"2025-07-26T22:48:03","slug":"juhtimissusteemi-rikke-peamised-pohjused","status":"publish","type":"post","link":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/et\/2020\/10\/07\/juhtimissusteemi-rikke-peamised-pohjused\/","title":{"rendered":"PLC juhtimiss\u00fcsteemi rikke peamised p\u00f5hjused"},"content":{"rendered":"<p>PLC on l\u00fchend programmeeritavast loogikakontrollerist. PLC t\u00f5lgib komasid masinate jaoks arusaadavaks. Ilma PLC-ta oleksid tegevused, mida inimesed soovivad, et masinad teeksid, masinale v\u00f5imatu de\u0161ifreerida. PLC t\u00f5lgib teabe, mida inimene annab masinale, n\u00e4iteks nupule vajutades, ja muudab selle koodiks, mis suunab masinat, millise k\u00e4su ta andis. PLC-d t\u00f6\u00f6tati v\u00e4lja 1960ndate l\u00f5pus ja need on muutunud ainult keerukamaks ja keerukamaks. PLCde abil saavad masinad t\u00e4ita konkreetseid \u00fclesandeid. PLC-des on veel m\u00f5ned probleemid, mis on endiselt olemas, ja neid tekib veelgi rohkem, kui kodeerimine muutub keerulisemaks. Kui PLC masinas eba\u00f5nnestub, ei suuda masin enam t\u00f5lgendada \u00fclesandeid, mida ta soovis t\u00e4ita, ja seet\u00f5ttu ei toimi see enam normaalselt. See v\u00f5ib olla t\u00f6\u00f6stuslikes rakendustes toimimisele kahjulik, sest see p\u00f5hjustab suuri plaaniv\u00e4liseid seisakuid. Avastage PLC-juhtimiss\u00fcsteemi rikke peamised p\u00f5hjused, et oma rajatisi paremini kaitsta.<\/p>\n<h2>Sisend-\/v\u00e4ljundmooduli rike<\/h2>\n<p>See on k\u00f5ige levinum p\u00f5hjus, miks PLC ei t\u00f6\u00f6ta. Sisend-v\u00e4ljundiga PLC-s\u00fcsteemi rikke m\u00e4rgiks on protsessi ootamatu seiskumine v\u00f5i ebaregulaarne t\u00f6\u00f6. Selle p\u00f5hjuseks on see, et PLC juhtimiss\u00fcsteem ootab signaali, mis juhatab teda l\u00e4bi programmeeritud j\u00e4rjestuse, kuid signaal ei j\u00f5ua korralikult kohale.<\/p>\n<p>Kui see juhtub, peab insener kindlaks tegema, kus jada algselt peatunud oli. Seda tehakse tavaliselt tarkvara uurimise teel, et tuvastada probleem konkreetse sisend-\/v\u00e4ljundmooduli punktini.<\/p>\n<p>Kui sisend-v\u00e4ljundpunkt on tuvastatud, saab insener probleemi algse p\u00f5hjuse juurde j\u00f5uda. See h\u00f5lmab tavaliselt PLC konfiguratsioonivigu, kolmekordseid kaitsel\u00fcliteid, VDC-vooluallikate rikkeid, probleeme juhtmetega v\u00f5i isegi lahtist klemmiplokki. Selle k\u00f5rvaldamiseks peab inseneril olema k\u00e4ep\u00e4rast varuosad.<\/p>\n<p>Kogu selle protsessi eesm\u00e4rk on leida lahknevus sisemise olukorra, mida PLC \"m\u00f5tleb\" v\u00f5i t\u00f5lgendab, ja v\u00e4lise olukorra ehk selle vahel, mis tegelikult toimub.<\/p>\n<h2>Elektriline m\u00fcra H\u00e4ired<\/h2>\n<p>Elektriline m\u00fcra v\u00f5ib avaldada suurt m\u00f5ju PlC juhtimiss\u00fcsteemile. See juhtub tavaliselt siis, kui esineb elektromagnetilistest h\u00e4iretest v\u00f5i raadiosagedush\u00e4iretest tulenevaid v\u00f5\u00f5raste signaalide h\u00e4ireid.<\/p>\n<p>Elektrim\u00fcra h\u00e4irete v\u00e4ltimiseks hoidke suured mootorid v\u00f5i sarnased masinad PLC-s\u00fcsteemist kaugel. Selle oht suureneb ka \u00e4ikesetormide ajal. Muud elektrim\u00fcra h\u00e4ireid p\u00f5hjustavad ka PLC l\u00e4heduses kasutatavad antennid ja k\u00e4sisaatjad. See tekitab raadiosageduslikke h\u00e4ireid. K\u00f5ik need probleemid v\u00f5ivad p\u00f5hjustada \u00e4\u00e4rmuslikke kahjustusi, mille parandamine on kulukas. K\u00f5ige ideaalsem on v\u00e4ltida elektrim\u00fcra h\u00e4ireid \u00fcldse. V\u00f5imalike valikute arutamine kvalifitseeritud inseneriga on parim meetod, et v\u00e4ltida elektrilisest m\u00fcrast tingitud PLC juhtimiss\u00fcsteemi rikkeid.<\/p>\n<h2>Toiteallika probleemid<\/h2>\n<p>PLC-juhtimiss\u00fcsteemi rikete sagedased p\u00f5hjused on ka toiteallikaga seotud probleemid. PLC juhtimiss\u00fcsteemid vajavad pidevat voolu v\u00f5i <a href='https:\/\/vm6fr4whzn6.c.updraftclone.com\/et\/konsultatsioonivaldkonnad\/elektrienergia\/projekteerimisteenused\/'>elektrienergia, et see toimiks etten\u00e4htud viisil<\/a>. Kui toide katkeb v\u00f5i k\u00f5ikub, ei saa PLC enam korralikult toimida ja sellised sagedased katkestused v\u00f5ivad p\u00f5hjustada s\u00fcsteemi t\u00e4ieliku rikke. Toiteprobleemid v\u00f5ivad tekkida elektrikatkestuse, elektrikatkestuste, v\u00f5rguh\u00e4irete, vanade v\u00f5i kulunud kaablite, lahtiste \u00fchenduste v\u00f5i muude <a href='https:\/\/vm6fr4whzn6.c.updraftclone.com\/et\/2022\/06\/17\/tavalised-elektrilised-ohud-tookohal\/'>\u00fchine elektriline<\/a> probleemid. Kuigi paljud neist asjadest on praktiliselt v\u00e4ltimatud, on olemas m\u00f5ned viisid, kuidas kaitsta oma PLC-juhtimiss\u00fcsteeme, sest sagedased elektrikatkestused v\u00f5ivad s\u00fcsteemi \u0161okeerida ja p\u00f5hjustada suurt andmekaotust, mida on raske ja kulukas parandada.<\/p>\n<p>M\u00f5ned v\u00e4ltimise meetodid h\u00f5lmavad varutoiteallika paigaldamist, mis on m\u00f5eldud aktiveerimiseks, kui peamine toiteallikas ei t\u00f6\u00f6ta v\u00f5i kui tekib katkestus. Teine meetod on lasta kvalifitseeritud elektrikul <a href='https:\/\/vm6fr4whzn6.c.updraftclone.com\/et\/2023\/04\/12\/8-elektroonikatehnika-suundumust-mis-kujundavad-tulevikku\/'>insener kontrollib ja planeerib tulevikku<\/a>. Samuti saavad insenerid hoida patareisid oma PLC-s\u00fcsteemides. Need akud aitavad hoida s\u00fcsteemi l\u00fchiajaliselt t\u00f6\u00f6s v\u00e4iksemate katkestuste ja probleemide vahel.<\/p>\n<h2>Kommunikatsiooniprobleemid<\/h2>\n<p>PLC juhtimiss\u00fcsteemid vajavad pidevat suhtlemist \u00fcmbritsevate ja \u00fchendatud seadmetega. Kui side ei toimi, ei saa seadmed oma n\u00f5utavatest \u00fclesannetest aru, sest PLC-s\u00fcsteem ei suuda nendega t\u00f5husalt suhelda. Seda kommunikatsiooni h\u00f5lbustavad tavaliselt stabiilsete ja turvaliste \u00fchendustega Ethernet-kaablid.<\/p>\n<p>Nende probleemide v\u00e4ltimiseks on PLC <a href='https:\/\/vm6fr4whzn6.c.updraftclone.com\/et\/2025\/07\/25\/masinoppe-rakendamine-katoodilise-kaitse-susteemide-prognoositavaks-hoolduseks\/'>s\u00fcsteeme tuleks korrap\u00e4raselt kontrollida ja neid korrap\u00e4raselt hooldada.<\/a>. Selle peaks l\u00e4bi viima kvalifitseeritud insener, kes suudab tagada, et sidev\u00f5rk on \u00f5igesti paigaldatud ja et k\u00f5ik \u00fchendatud seadmed saadavad teistele \u00f5igeid signaale.<\/p>\n<p>Kommunikatsiooniprobleemid v\u00f5ivad p\u00f5hjustada suuri seisakuid PLC juhtimiss\u00fcsteemidest s\u00f5ltuvates rajatistes.<\/p>\n<h2>Kahjustatud m\u00e4lu<\/h2>\n<p>Muud PLC juhtimiss\u00fcsteemi v\u00e4lised tegurid v\u00f5ivad samuti p\u00f5hjustada m\u00e4lu riknemist. Kui PLC juhtimiss\u00fcsteemi m\u00e4lu rikneb, v\u00f5ib PLC kood muutuda loetamatuks, mis v\u00f5ib p\u00f5hjustada tahtmatu v\u00e4ljal\u00fclitamise. Selle probleemi ilmnemisel ei ole lihtsat lahendust, kui puudub teabe ja andmete varukoopia m\u00e4luseadmes. T\u00e4ieliku rikke v\u00e4ltimiseks on k\u00f5ige parem hoida andmete koopiat seadmel, mida hoitakse turvalises kohas, mis on kaugel v\u00f5imalikest h\u00e4iretest, \u00e4\u00e4rmuslikest temperatuuridest ning igasugusest niiskusest ja niiskusest.<\/p>\n<p>PLC-juhtimiss\u00fcsteemi rikkeid tuleb ettevaatlikuks pidada mitmete peamiste p\u00f5hjuste puhul. V\u00f5tke juba t\u00e4na \u00fchendust Dreiym Engineeringiga, et saada <a href='https:\/\/vm6fr4whzn6.c.updraftclone.com\/et\/2023\/06\/09\/millal-saada-elamute-elektrilise-koormuse-analuus\/'>elektrilise koormuse anal\u00fc\u00fcs<\/a> uuring. Nendes uuringutes on meie professionaalsed\u00a0<a href=\"https:\/\/vm6fr4whzn6.c.updraftclone.com\/et\/\">nace cp4<\/a>-sertifitseeritud insenerid teostavad teie rajatise elektrijaotuss\u00fcsteemi \u00fclevaatuse, et m\u00e4\u00e4rata kindlaks s\u00fcsteemi tasakaal v\u00f5i tasakaalustamatus. Seej\u00e4rel saame teostada elektrilise koormuse hindamise, alustades elektrilise koormuse nimekirjade ja kriitiliste koormusprofiilide koostamisega. Seej\u00e4rel anal\u00fc\u00fcsime teie rajatise v\u00f5imsust ja olemasolevaid s\u00e4tteid tulevase kasvu jaoks, et saaksime k\u00f5rvaldada \u00fclekoormatud s\u00fcsteemid nii praegu kui ka tulevikus.<\/p>\n<p>V\u00f5tke meiega juba t\u00e4na \u00fchendust <a href='https:\/\/vm6fr4whzn6.c.updraftclone.com\/et\/2023\/06\/09\/millal-saada-elamute-elektrilise-koormuse-analuus\/'>elektrilise koormuse anal\u00fc\u00fcs<\/a> teie rajatise v\u00f5i isegi teie kodu, kui teil on suuremad arvete esitamise probleemid, elektrikasutuse probleemid v\u00f5i muud elektriga seotud probleemid. Meie eesm\u00e4rk on kohandada teie kogemusi vastavalt teie vajadustele, et mitte ainult tuvastada ja lahendada praegused probleemid, vaid ka planeerida tulevikku, et probleeme saaks v\u00e4ltida.<\/p>\n<img decoding=\"async\" class=\"aligncenter wp-image-3989 size-full\" src=\"https:\/\/vm6fr4whzn6.c.updraftclone.com\/wp-content\/uploads\/2020\/10\/PLC-control-system-failure.jpg\" alt=\"PLC juhtimiss\u00fcsteemi rikke peamised p\u00f5hjused\" width=\"800\" height=\"2000\" srcset=\"https:\/\/vm6fr4whzn6.c.updraftclone.com\/wp-content\/uploads\/2020\/10\/PLC-control-system-failure.jpg 800w, https:\/\/vm6fr4whzn6.c.updraftclone.com\/wp-content\/uploads\/2020\/10\/PLC-control-system-failure-120x300.jpg 120w, https:\/\/vm6fr4whzn6.c.updraftclone.com\/wp-content\/uploads\/2020\/10\/PLC-control-system-failure-768x1920.jpg 768w, https:\/\/vm6fr4whzn6.c.updraftclone.com\/wp-content\/uploads\/2020\/10\/PLC-control-system-failure-614x1536.jpg 614w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>","protected":false},"excerpt":{"rendered":"<p>PLC is an acronym for programmable logic controller. A PLC translates commas for machines to understand. Without PLC, actions which humans desire machines to make would be impossible for the machine to decipher. PLC translates the information a person provides a machine, such as a push of a button, and turns it into code that [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":3510,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_mbp_gutenberg_autopost":false,"_pgmb_is_evergreen":true,"_pgmb_ap_template_id":0,"iawp_total_views":358,"footnotes":""},"categories":[6],"tags":[],"class_list":["post-2882","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-forensic"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 4.9.6.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"PLC is an acronym for programmable logic controller. A PLC translates commas for machines to understand. Without PLC, actions which humans desire machines to m\" \/>\n\t<meta name=\"robots\" content=\"noindex, nofollow, max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Angela Jones\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/vm6fr4whzn6.c.updraftclone.com\/et\/2020\/10\/07\/juhtimissusteemi-rikke-peamised-pohjused\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO Pro (AIOSEO) 4.9.6.2\" \/>\n\t\t<meta property=\"og:locale\" content=\"et_EE\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Dreiym Engineering PLLC \u00bb Electrical and Corrosion Experts\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Top Causes of PLC Control System Failure\" \/>\n\t\t<meta property=\"og:description\" content=\"PLC is an acronym for programmable logic controller. A PLC translates commas for machines to understand. 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