{"id":35928,"date":"2022-11-26T10:33:42","date_gmt":"2022-11-26T02:33:42","guid":{"rendered":"https:\/\/www.upowertek.com\/izolowany-interfejs-sciemniania\/"},"modified":"2022-12-10T13:30:07","modified_gmt":"2022-12-10T05:30:07","slug":"izolowany-interfejs-sciemniania","status":"publish","type":"post","link":"https:\/\/www.upowertek.com\/pl\/izolowany-interfejs-sciemniania\/","title":{"rendered":"Izolowany interfejs \u015bciemniania"},"content":{"rendered":"\n

Istnieje kilka s\u0142\u00f3w kluczowych, kt\u00f3re do\u015b\u0107 \u0142atwo miesza\u0107 ze sob\u0105 w bran\u017cy o\u015bwietlenia LED, takie jak sygna\u0142 \u015bciemniania PWM i pr\u0105d LED PWM, klasa 2 i klasa II, izolowane zasilanie i izolowane \u015bciemnianie itp. Ten artyku\u0142 skupi si\u0119 tylko na izolowanym interfejsie \u015bciemniania.<\/p>\n\n

Izolowane \u015bciemnianie a izolowane zasilanie<\/h2>\n\n

Izolowane \u015bciemnianie oznacza, \u017ce interfejs \u015bciemniania jest odizolowany zar\u00f3wno od wej\u015bcia, jak i wyj\u015bcia. Czasami sygna\u0142 \u015bciemniania jest niskonapi\u0119ciowy i bezpieczny 0-10 V lub PWM lub cyfrowy z napi\u0119ciem szczytowym mniejszym ni\u017c 20 V, ale napi\u0119cie wyj\u015bciowe jest wysokie, co nie jest bezpieczne. Ale czasami sygna\u0142 \u015bciemniania nie jest bezpieczny, poniewa\u017c \u015bciemniacz jest zasilany napi\u0119ciem sieciowym AC, ale nie jest od niego odizolowany, wi\u0119c je\u015bli interfejs \u015bciemniania nie jest odizolowany od wyj\u015bcia, ca\u0142a oprawa LED mo\u017ce by\u0107 niebezpieczna. To jest t\u0142o przyj\u0119cia izolowanego interfejsu \u015bciemniania sterownik\u00f3w LED.<\/p>\n\n

\"ściemnianie<\/figure>\n\n
<\/div>\n\n

Zwykle w przypadku uniwersalnego wej\u015bciowego sterownika LED wymagane jest napi\u0119cie izolacji interfejsu \u015bciemniania, jak pokazano w poni\u017cszej tabeli.<\/p>\n\n

Jednostka: Vac<\/th>Wej\u015bcie<\/th>Wyj\u015bcie<\/th>\u015aciemnianie<\/th>Sprawa<\/th><\/tr><\/thead>
\n Wej\u015bcie<\/strong>\n <\/td>–<\/td>3750<\/td>3750<\/td>1554<\/td><\/tr>
\n Wyj\u015bcie<\/strong>\n <\/td>3750<\/td>–<\/td>1554<\/td>1554<\/td><\/tr>
\n \u015aciemnianie<\/strong>\n <\/td>3750<\/td>1554<\/td>–<\/td>1554<\/td><\/tr>
\n Sprawa<\/strong>\n <\/td>1554<\/td>1554<\/td>1554<\/td>–<\/td><\/tr><\/tbody><\/table><\/figure>\n\n

\u015aciemnianie izolowane a \u015bciemnianie nieizolowane<\/h2>\n\n

Przed obowi\u0105zkowymi normami izolacji interfejsu \u015bciemniania, ca\u0142y interfejs \u015bciemniania sterownika LED jest nieizolowany i ma to samo elektryczne odniesienie z dodatkowym wyj\u015bciem LED.<\/p>\n\n

Jednostka: Vac<\/th>Wej\u015bcie<\/th>Wyj\u015bcie<\/th>\u015aciemnianie<\/th>Sprawa<\/th><\/tr><\/thead>
\n Wej\u015bcie<\/strong>\n <\/td>–<\/td>3750<\/td>3750<\/td>1554<\/td><\/tr>
\n Wyj\u015bcie<\/strong>\n <\/td>3750<\/td>–<\/td>\n \n 0<\/mark>\n <\/strong>\n <\/td>1554<\/td><\/tr>
\n \u015aciemnianie<\/strong>\n <\/td>3750<\/td>\n \n 0<\/mark>\n <\/strong>\n <\/td>–<\/td>1554<\/td><\/tr>
\n Sprawa<\/strong>\n <\/td>1554<\/td>1554<\/td>1554<\/td>–<\/td><\/tr><\/tbody><\/table><\/figure>\n\n

Izolowane standardy zwi\u0105zane z \u015bciemnianiem<\/h2>\n\n

UL8750 Dodatek SF<\/h3>\n\n

Suplement SF zosta\u0142 opublikowany jako cz\u0119\u015b\u0107 normy ANSI\/UL 8750 w lipcu 2017 r. We wrze\u015bniu 2017 r. organizacja certyfikuj\u0105ca UL przeprowadzi\u0142a przegl\u0105d dokumentacji bran\u017cowej w celu przyj\u0119cia tego dodatku z dat\u0105 wej\u015bcia w \u017cycie 2 listopada 2020 r. <\/p>\n\n

\"ściemnianie<\/figure>\n\n
<\/div>\n\n

Rozdzia\u0142 15.4, IEC 61347-1,2015<\/h3>\n\n

Normy IEC og\u0142osi\u0142y wym\u00f3g izolowanego \u015bciemniania wcze\u015bniej ni\u017c UL, jak poni\u017cej.<\/p>\n\n

\"izolowane<\/figure>\n\n
<\/div>\n\n

Streszczenie<\/h2>\n\n

Izolowane \u015bciemnianie jest coraz cz\u0119\u015bciej stosowane w o\u015bwietleniu og\u00f3lnym, dlatego projektanci powinni zrozumie\u0107 r\u00f3\u017cnice mi\u0119dzy izolowanym \u015bciemnianiem a izolowanym zasilaniem, aby wybra\u0107 odpowiednie produkty do opraw. Aby uzyska\u0107 wi\u0119cej pyta\u0144, skontaktuj si\u0119 z nami pod adresem sales@upowertek.com.<\/p>\n","protected":false},"excerpt":{"rendered":"

Istnieje kilka s\u0142\u00f3w kluczowych, kt\u00f3re do\u015b\u0107 \u0142atwo miesza\u0107 ze sob\u0105 w bran\u017cy o\u015bwietlenia LED, takie jak sygna\u0142 \u015bciemniania PWM i pr\u0105d LED PWM, klasa 2 i klasa II, izolowane zasilanie i izolowane \u015bciemnianie itp. Ten artyku\u0142 skupi si\u0119 tylko na izolowanym interfejsie \u015bciemniania. Izolowane \u015bciemnianie a izolowane zasilanie Izolowane \u015bciemnianie oznacza, \u017ce interfejs \u015bciemniania jest […]<\/p>\n","protected":false},"author":6,"featured_media":35942,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"none","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"Zar\u00f3wno","_seopress_redirections_param":"","_seopress_redirections_type":301,"_seopress_analysis_target_kw":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","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":"","ast-disable-related-posts":"","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 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