{"id":10913,"date":"2018-05-17T09:27:18","date_gmt":"2018-05-17T07:27:18","guid":{"rendered":"https:\/\/eoc.cat\/que-son-los-plc\/"},"modified":"2022-02-17T10:52:17","modified_gmt":"2022-02-17T09:52:17","slug":"que-son-els-plc","status":"publish","type":"post","link":"https:\/\/eoc.cat\/ca\/que-son-els-plc\/","title":{"rendered":"Qu\u00e8 s\u00f3n i per a qu\u00e8 serveixen els PLC"},"content":{"rendered":"<p>Actualment, moltes persones es plantegen qu\u00e8 s\u00f3n i per a qu\u00e8 serveixen els PLC (<a href=\"https:\/\/es.wikipedia.org\/wiki\/Controlador_l%C3%B3gico_programable\">Programmable Logic Controller<\/a>). En part \u00e9s degut a l&#8217;apassionant m\u00f3n dels aut\u00f2mats programables i la programaci\u00f3 d&#8217;aut\u00f2mats. Per tant, en aquest article s&#8217;exposaran algunes nocions sobre els PLC. Aix\u00ed ser\u00e0 la primera manera que tinguis d&#8217;endinsar-te en aquest interessant \u00e0mbit tecnol\u00f2gic.<\/p>\n<h2>Qu\u00e8 s\u00f3n i per a qu\u00e8 serveixen els PLC?<\/h2>\n<p>Els\u00a0PLC o aut\u00f2mats programables\u00a0s\u00f3n dispositius electr\u00f2nics que poden ser programats. I ho fan monitoritzant entrades i sortides i prenent decisions l\u00f2giques per automatitzar les m\u00e0quines o processos. Els PLC accionen a altres components de la maquin\u00e0ria per executar accions. De manera manual, aquestes accions podrien ser lentes i fins i tot perilloses.<\/p>\n<p>S&#8217;utilitzen en tot tipus d&#8217;aplicacions industrials, especialment en l\u00ednies de muntatge o atraccions mec\u00e0niques, encara que tamb\u00e9 s&#8217;estan fent servir en aplicacions comercials o dom\u00e8stiques.<\/p>\n<p>El model que cal per a cada tasca dep\u00e8n de la complexitat del proc\u00e9s a monitoritzar, controlar o supervisar.<\/p>\n<h2>Qu\u00e8 s\u00f3n els PLC?<\/h2>\n<p>Els PLC s\u00f3n ordinadors que s&#8217;usen en enginyeria autom\u00e0tica o automatitzaci\u00f3 industrial per automatitzar processos electromec\u00e0nics. Per tant, programats en funci\u00f3 de les necessitats de control de l\u2019empresa, poden tenir m\u00faltiples utilitats.<\/p>\n<p>Podria comparar-se al cervell que acciona els altres components de la maquin\u00e0ria perqu\u00e8 puguin fer les accions abans indicades. Per aix\u00f2, es poden trobar a escales mec\u00e0niques, ascensors, dosificadores, rentadores, microones, sistemes de bombament i m\u00e9s. La seva principal funci\u00f3 \u00e9s controlar, i ho fan a moltes ind\u00fastries.<\/p>\n<p>Tamb\u00e9 permeten evitar problemes d&#8217;operacions de risc, aix\u00ed com l&#8217;estalvi de diners en manteniment. A m\u00e9s, incrementen la vida \u00fatil d&#8217;equips i maquin\u00e0ries.<\/p>\n<p>Un dels principals afegits actualment en aquest camp \u00e9s que els PLC tenen connexi\u00f3 a internet. Aix\u00f2 els permet monitoritzar el seu funcionament i resultats de manera remota.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5553 size-full\" title=\"programar aut\u00f2mats PLC\" src=\"https:\/\/eoc.cat\/wp-content\/uploads\/2018\/05\/programar-automatas-plc.jpg\" alt=\"programar aut\u00f2mats PLC\" width=\"810\" height=\"513\" srcset=\"https:\/\/eoc.cat\/wp-content\/uploads\/2018\/05\/programar-automatas-plc.jpg 810w, https:\/\/eoc.cat\/wp-content\/uploads\/2018\/05\/programar-automatas-plc-300x190.jpg 300w, https:\/\/eoc.cat\/wp-content\/uploads\/2018\/05\/programar-automatas-plc-768x486.jpg 768w\" sizes=\"(max-width: 810px) 100vw, 810px\" \/><\/p>\n<h2>PLC i ind\u00fastria<\/h2>\n<p>Sens dubte, a la ind\u00fastria \u00e9s on es poden trobar m\u00e9s aplicacions interessants i beneficis dels aut\u00f2mats programables. Poden utilitzar-se per als processos industrials seg\u00fcents:<\/p>\n<ul>\n<li>Gestionen sistemes complexos.<\/li>\n<li>Resolen problemes f\u00e0cilment.<\/li>\n<li>Poden fer tasques de commutaci\u00f3 de rel\u00e9s.<\/li>\n<li>Fan el c\u00f2mput, c\u00e0lcul i comparaci\u00f3 de valors de proc\u00e9s anal\u00f2gics d&#8217;encoder.<\/li>\n<li>Proporcionen flexibilitat a l\u2019hora de modificar la l\u00f2gica de control en poc temps.<\/li>\n<li>Responen als canvis dels par\u00e0metres del proc\u00e9s en poc temps.<\/li>\n<li>Perfeccionen la fiabilitat del sistema de control global.<\/li>\n<li>Podeu interactuar amb l&#8217;operari amb HMI.<\/li>\n<li>Per qu\u00e8 serveix la programaci\u00f3 d&#8217;aut\u00f2mats?<\/li>\n<\/ul>\n<p>Els aut\u00f2mats programables s\u00f3n cada vegada m\u00e9s importants en l&#8217;automatitzaci\u00f3 de processos a la ind\u00fastria. Per aix\u00f2, \u00e9s important saber com programar els aut\u00f2mats perqu\u00e8 facin les tasques d&#8217;acord amb les sent\u00e8ncies o instruccions que s&#8217;estableixen.<\/p>\n<p>Per programar aut\u00f2mats cal paci\u00e8ncia, ja que porta el seu temps i aprenentatge. Per\u00f2 el que t\u00e9 de bo \u00e9s que es pot fer el que es vulgui amb els PLC. \u00d2bviament, la tasca b\u00e0sica \u00e9s controlar els altres components de la maquin\u00e0ria.<\/p>\n<p>En conclusi\u00f3, comptar amb un sistema automatitzat ajudar\u00e0 a millorar la productivitat de l&#8217;empresa eliminant feines complicades i mon\u00f2tones, millorant la qualitat del producte, reduint costos de producci\u00f3, augmentant la seguretat, incrementant la disponibilitat dels productes i proporcionant molts altres avantatges. Programar els aut\u00f2mats permet obtenir aquests beneficis tenint en compte cada sistema.<\/p>\n<p>En definitiva, es pot automatitzar qualsevol proc\u00e9s amb els PLC. A m\u00e9s, saber com programar-los permet saber quines s\u00f3n les solucions als problemes m\u00e9s comuns. \u00c9s fonamental triar b\u00e9 quins processos automatitzar. Per tant, cal fer una selecci\u00f3 correcta.<\/p>\n<p>Cadascun dels tipus de programaci\u00f3 d&#8217;aut\u00f2mats t\u00e9 els seus avantatges i desavantatges, per la qual cosa conv\u00e9 con\u00e8ixer-los i saber quin triar. Tamb\u00e9 hi ha moltes marques de PLC, per la qual cosa cal saber b\u00e9 com seleccionar l\u2019adequada. Per a les nostres formacions nosaltres utilitzem el <a href=\"https:\/\/w5.siemens.com\/spain\/web\/es\/industry\/automatizacion\/noticias\/pages\/logo!ahora2igualdegeniales.aspx\">Siemens\u00a0LOGO! 230 RCE<\/a> que \u00e9s excel\u00b7lent per iniciar-se a la programaci\u00f3 d&#8217;aut\u00f2mats.<\/p>\n<h2>Avantatges i desavantatges dels PLC<\/h2>\n<h3>Els principals avantatges dels PLC s\u00f3n:<\/h3>\n<ul>\n<li>Estalvi de temps als projectes.<\/li>\n<li>Estalvi de costos a m\u00e0 d&#8217;obra.<\/li>\n<li>Poder controlar m\u00e9s duna m\u00e0quina alhora.<\/li>\n<li>Mida redu\u00efda.<\/li>\n<li>Baix cost de manteniment.<\/li>\n<li>Possibilitat de fer modificacions sense costos addicionals.<\/li>\n<li>La seva elaboraci\u00f3 \u00e9s senzilla.<\/li>\n<li>No necessita cablejats o instal\u00b7laci\u00f3 el\u00e8ctrica per fer modificacions.<\/li>\n<li>No necessita gaires materials per a la seva fabricaci\u00f3.<\/li>\n<li>L&#8217;\u00fanic que cal \u00e9s triar el PLC que s&#8217;adapti millor a les necessitats del teu negoci.<\/li>\n<\/ul>\n<h3>Els seus principals desavantatges s\u00f3n:<\/h3>\n<ul>\n<li>La necessitat de t\u00e8cnics qualificats pel seu bon funcionament.<\/li>\n<li>Per a tasques m\u00e9s petites o senzilles pot no compensar que el cost \u00e9s m\u00e9s gran.<\/li>\n<\/ul>\n<p>En definitiva, \u00e9s un instrument electr\u00f2nic molt \u00fatil per a f\u00e0briques que utilitzen molta maquin\u00e0ria. I, no nom\u00e9s aix\u00f2, cada vegada s\u00f3n m\u00e9s les empreses que compten amb ells per incrementar els seus beneficis fent m\u00e9s senzills i c\u00f2modes els seus processos.<\/p>\n<p>Davant del dubte de si instal\u00b7lar PLC en una empresa o <a href=\"http:\/\/eoc.cat\/curso-de-introduccion-a-los-automatas-programables\/\">aprendre a programar aut\u00f2mats<\/a> cal dir que \u00e9s el moment adequat. A m\u00e9s, els beneficis s&#8217;incrementaran amb el pas del temps, tant a la ind\u00fastria com en negocis o llars.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Actualment, moltes persones es plantegen qu\u00e8 s\u00f3n i per a qu\u00e8 serveixen els PLC (Programmable Logic Controller). En part \u00e9s degut a l&#8217;apassionant m\u00f3n dels aut\u00f2mats programables i la programaci\u00f3 d&#8217;aut\u00f2mats. Per tant, en aquest article s&#8217;exposaran algunes nocions sobre els PLC. Aix\u00ed ser\u00e0 la primera manera que tinguis d&#8217;endinsar-te en aquest interessant \u00e0mbit tecnol\u00f2gic. [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":10914,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[110],"tags":[],"class_list":["post-10913","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-automats-programables-plc"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Qu\u00e8 s\u00f3n i per a qu\u00e8 serveixen els PLC | EOC<\/title>\n<meta name=\"description\" content=\"En aquest article t&#039;expliquem qu\u00e8 s\u00f3n i per a qu\u00e8 serveixen els PLC. 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