{"id":3238,"date":"2023-04-06T07:26:26","date_gmt":"2023-04-06T07:26:26","guid":{"rendered":"https:\/\/3.212.105.250\/?p=3238"},"modified":"2025-01-18T08:53:50","modified_gmt":"2025-01-18T14:53:50","slug":"hmi-plc-troubleshooting-what-is-it-how-does-it-work","status":"publish","type":"post","link":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/fr_fr\/2023\/04\/06\/hmi-plc-troubleshooting-what-is-it-how-does-it-work\/","title":{"rendered":"D\u00e9pannage des IHM et des API : Qu'est-ce que c'est et comment \u00e7a marche ?"},"content":{"rendered":"<p>Les interfaces homme-machine (IHM) permettent aux travailleurs d'utiliser les machines avec pr\u00e9cision et efficacit\u00e9. Lorsque l'IHM fonctionne correctement et communique avec les automates programmables du syst\u00e8me, l'exp\u00e9rience globale est efficace et conviviale.<\/p>\n<p>Mais que faire lorsque votre IHM et vos automates cessent de communiquer entre eux ? Le guide de Dreiym Engineering sur le d\u00e9pannage des IHM et des automates a pour but de fournir des informations sur ce qui se passe dans ce cas. <a href='https:\/\/vm6fr4whzn6.c.updraftclone.com\/fr_fr\/2022\/12\/15\/conseils-de-securite-pour-travailler-avec-des-systemes-electriques-a-haute-tension\/'>et son fonctionnement<\/a>.<\/p>\n<h2>D\u00e9faut de communication<\/h2>\n<p>Lorsque votre IHM n'est plus connect\u00e9e aux diff\u00e9rents automates de votre syst\u00e8me, elle ne peut pas donner de commandes \u00e0 ces derniers. <a href='https:\/\/vm6fr4whzn6.c.updraftclone.com\/fr_fr\/2020\/10\/07\/principales-causes-de-defaillance-des-systemes-de-controle-par-automate\/'>des contr\u00f4leurs qui maintiennent votre syst\u00e8me automatis\u00e9<\/a> fonctionnement. Pour les travailleurs, cela signifie qu'il est plus difficile de conna\u00eetre l'\u00e9tat de la machine et de pr\u00e9voir les pannes sans cette communication machine en place.<\/p>\n<h2>D\u00e9pannage des pannes intermittentes<\/h2>\n<p>Si votre IHM et vos automates sont connect\u00e9s via Ethernet, un ing\u00e9nieur \u00e9lectricien peut \u00eatre en mesure d'effectuer les op\u00e9rations suivantes\u00a0<a href=\"https:\/\/vm6fr4whzn6.c.updraftclone.com\/fr_fr\/services\/lenergie-electrique\/analyse-de-la-charge\/\">D\u00e9pannage des automates<\/a>\u00a0en ex\u00e9cutant de simples commandes ping \u00e0 partir des deux extr\u00e9mit\u00e9s du circuit. Les causes courantes des pannes intermittentes sont les suivantes <a href='https:\/\/vm6fr4whzn6.c.updraftclone.com\/fr_fr\/2024\/02\/28\/comment-eviter-les-connexions-electriques-laches-et-prevenir-les-risques-dincendie\/'>connexions l\u00e2ches<\/a> sur les terminaux et les probl\u00e8mes de transmission de donn\u00e9es avec votre logiciel.<\/p>\n<p>S'il s'agit d'un probl\u00e8me logiciel, il se peut que vous ayez des adresses IP en double dans votre sous-r\u00e9seau qui interf\u00e8rent avec la communication. De nombreux ing\u00e9nieurs utilisent des renifleurs de paquets de donn\u00e9es pour rechercher de tels probl\u00e8mes dans votre logiciel.<\/p>\n<h2>D\u00e9pannage des syst\u00e8mes qui ne r\u00e9pondent pas<\/h2>\n<p>Si votre <a href='https:\/\/vm6fr4whzn6.c.updraftclone.com\/fr_fr\/2020\/06\/22\/comment-choisir-un-consultant-en-ingenierie\/'>ing\u00e9nieur-conseil<\/a> a effectu\u00e9 des requ\u00eates ping qui ne r\u00e9pondent pas du tout, il se peut que vous ayez des probl\u00e8mes plus profonds au niveau du c\u00e2blage. L'ing\u00e9nieur proc\u00e9dera \u00e0 une inspection visuelle des c\u00e2bles concern\u00e9s et recommandera le remplacement de tout composant de c\u00e2blage effiloch\u00e9 ou endommag\u00e9. Un moyen rapide de v\u00e9rifier les dommages invisibles consiste \u00e0 remplacer le c\u00e2ble reliant l'IHM et l'automate par un c\u00e2ble dont ils savent qu'il fonctionne bien.<\/p>\n<p>L'absence totale de r\u00e9ponse de votre syst\u00e8me peut \u00e9galement n\u00e9cessiter un r\u00e9examen de votre pare-feu. Si vous avez r\u00e9cemment mis \u00e0 jour votre syst\u00e8me, il se peut que votre logiciel ait modifi\u00e9 automatiquement certaines r\u00e8gles du pare-feu. En retournant dans le pare-feu et en mettant \u00e0 jour les autorisations pour le port TCP\/IP de votre IHM, vous devriez r\u00e9tablir la communication.<\/p>\n<p>Automatis\u00e9 <a href='https:\/\/vm6fr4whzn6.c.updraftclone.com\/fr_fr\/2022\/12\/15\/conseils-de-securite-pour-travailler-avec-des-systemes-electriques-a-haute-tension\/'>les syst\u00e8mes \u00e9lectriques<\/a> exigent que toutes les composantes soient en communication constante les unes avec les autres. Si, pour une raison quelconque, cette ligne de communication est interrompue, faites appel \u00e0 un <a href='https:\/\/vm6fr4whzn6.c.updraftclone.com\/fr_fr\/2020\/06\/22\/comment-choisir-un-consultant-en-ingenierie\/'>ing\u00e9nieur-conseil<\/a> pour effectuer le d\u00e9pannage de l'IHM et de l'automate. Ce guide de Dreiym Engineering fournit des connaissances de base sur ce que c'est et comment cela fonctionne, afin que vous sachiez \u00e0 quoi vous attendre lorsque l'ing\u00e9nieur arrivera.<\/p>","protected":false},"excerpt":{"rendered":"<p>Human-machine interfaces (HMIs) allow workers to operate machinery precisely and effectively. When the HMI works properly and communicates with the system\u2019s programmable logic controllers (PLCs), the overall experience is efficient and user-friendly. But what can you do when your HMI and PLCs stop communicating with one another? Dreiym Engineering\u2019s guide to HMI and PLC troubleshooting [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":3253,"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":103,"footnotes":""},"categories":[7],"tags":[],"class_list":["post-3238","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-engineering"],"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=\"Human-machine interfaces (HMIs) allow workers to operate machinery precisely and effectively. 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