LED-ohjaimella<\/a> on tietty arvo. Normaalisti, kun tietoliikennett\u00e4 ei ole, DALI-j\u00e4rjestelm\u00e4n yhteinen ohjauslinja on 16 V ja j\u00e4nnite sy\u00f6tet\u00e4\u00e4n sis\u00e4isest\u00e4 DALI-virtal\u00e4hteest\u00e4.<\/p>\n\nKuinka monta virtal\u00e4hdett\u00e4 DALI-j\u00e4rjestelm\u00e4\u00e4n mahtuu?<\/h2>\n\n
Tavallinen DALI-j\u00e4rjestelm\u00e4 voi kuljettaa jopa 64 itsen\u00e4ist\u00e4 osoitevirtal\u00e4hdett\u00e4. DALI-j\u00e4rjestelm\u00e4n tarjoama maksimivirta on 250 MA, mik\u00e4 on DALI-j\u00e4rjestelm\u00e4n rajoitus.<\/p>\n\n
DALI-linjaan voidaan liitt\u00e4\u00e4 jopa 64 digitaalista LED-ohjainta j\u00e4rjestelm\u00e4n solmuista ja virtal\u00e4hteen virtarajoituksista riippumatta.<\/p>\n\n
Jos k\u00e4ytet\u00e4\u00e4n DALI-protokollan mukaista ohjauselementti\u00e4, j\u00e4rjestelm\u00e4n koon on t\u00e4ytett\u00e4v\u00e4 64 pistett\u00e4 tai kokonaisvirran 250 mA. Kun j\u00e4rjestelm\u00e4 sis\u00e4lt\u00e4\u00e4 sek\u00e4 LED-ohjain- ett\u00e4 ohjauskomponentteja, tulee varmistaa, ett\u00e4 j\u00e4rjestelm\u00e4 t\u00e4ytt\u00e4\u00e4 n\u00e4m\u00e4 rajoitukset. Jos DALI-j\u00e4rjestelm\u00e4 ylitt\u00e4\u00e4 64 pistett\u00e4 tai j\u00e4rjestelm\u00e4n virta on suurempi kuin 250 mA, signaali vaimenee, v\u00e4\u00e4ristyy ja aiheuttaa j\u00e4rjestelm\u00e4virheit\u00e4. Jotkut komponentit eiv\u00e4t ehk\u00e4 pysty kommunikoimaan ja j\u00e4rjestelm\u00e4 toimii ep\u00e4vakaasti.<\/p>\n\n
Mit\u00e4 erityisvaatimuksia on lampuille tai valonl\u00e4hteille k\u00e4ytett\u00e4ess\u00e4 DALI-j\u00e4rjestelm\u00e4\u00e4?<\/h2>\n\n
Tied\u00e4mme, ett\u00e4 DALI-j\u00e4rjestelm\u00e4 antaa lampuille uusia konnotaatioita. Jokaisella lampulla voi olla itsen\u00e4inen osoite. Siksi lamput p\u00e4ivitet\u00e4\u00e4n tavallisista lampuista ”\u00e4lylampuiksi”. \u00c4lykk\u00e4ill\u00e4 lampuilla ei ole vaatimuksia valonl\u00e4hteille ja valaisimille, mutta se edellytt\u00e4\u00e4, ett\u00e4 LED-ajurit ja elektroniset muuntajat ovat DALI-standardien mukaisia. DALI LED -ohjaimella ja digitaalisilla muuntajilla on itsen\u00e4isyyden ominaisuuksia, joten ne heijastavat lampun osoitetta.<\/p>\n\n
LED-ajureiden ja muuntajien lis\u00e4ksi my\u00f6s muiden DALI-j\u00e4rjestelm\u00e4n komponenttien (kuten antureiden) on oltava DALI-standardien mukaisia, jolloin muodostuu t\u00e4ydellinen DALI-valaistuksen ohjausj\u00e4rjestelm\u00e4.<\/p>\n","protected":false},"excerpt":{"rendered":"
Mitk\u00e4 ovat vaatimukset DALI-j\u00e4rjestelm\u00e4n ohjauslinjan pituudelle? Ohjauslinjan pituuden tulee t\u00e4ytt\u00e4\u00e4 j\u00e4nniteh\u00e4vi\u00f6vaatimukset. Suurin j\u00e4nniteh\u00e4vi\u00f6 DALI-j\u00e4rjestelm\u00e4ss\u00e4 on 2V, suhteellisesti j\u00e4rjestelm\u00e4n kahden kaukaisimman komponentin v\u00e4linen et\u00e4isyys on 300m. P\u00e4\u00e4tteen ohjausj\u00e4rjestelm\u00e4lle riitt\u00e4\u00e4 300 metrin pituus ja k\u00e4ytt\u00e4j\u00e4t voivat k\u00e4ytt\u00e4\u00e4 sit\u00e4 turvallisesti. DALI-standardien mukaan jokaisella LED-ohjaimella on tietty arvo. Normaalisti, kun tietoliikennett\u00e4 ei ole, DALI-j\u00e4rjestelm\u00e4n yhteinen ohjauslinja on 16 V […]<\/p>\n","protected":false},"author":1,"featured_media":23763,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1487],"tags":[],"class_list":{"0":"post-32824","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-tietoa"},"_links":{"self":[{"href":"https:\/\/www.upowertek.com\/fi\/wp-json\/wp\/v2\/posts\/32824","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.upowertek.com\/fi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.upowertek.com\/fi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.upowertek.com\/fi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.upowertek.com\/fi\/wp-json\/wp\/v2\/comments?post=32824"}],"version-history":[{"count":1,"href":"https:\/\/www.upowertek.com\/fi\/wp-json\/wp\/v2\/posts\/32824\/revisions"}],"predecessor-version":[{"id":32833,"href":"https:\/\/www.upowertek.com\/fi\/wp-json\/wp\/v2\/posts\/32824\/revisions\/32833"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.upowertek.com\/fi\/wp-json\/wp\/v2\/media\/23763"}],"wp:attachment":[{"href":"https:\/\/www.upowertek.com\/fi\/wp-json\/wp\/v2\/media?parent=32824"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.upowertek.com\/fi\/wp-json\/wp\/v2\/categories?post=32824"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.upowertek.com\/fi\/wp-json\/wp\/v2\/tags?post=32824"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}