{"id":1018095,"date":"2025-01-01T00:00:00","date_gmt":"2025-01-01T00:00:00","guid":{"rendered":"http:\/\/&#038;p=1018095"},"modified":"2026-08-19T02:45:34","modified_gmt":"2026-08-19T02:45:34","slug":"emerald-mm-opto-da","status":"publish","type":"product","link":"https:\/\/scn.eu\/da\/vare\/emerald-mm-opto-da\/","title":{"rendered":"Emerald-MM-Opto PC\/104-modul med optoisolerede RS-232\/422\/485-porte og GPIO"},"content":{"rendered":"<p>Beskrivelse<br \/>\nEmerald-MM-Opto udg\u00f8r en integreret, robust og p\u00e5lidelig l\u00f8sning til PC\/104-udvidelige indlejrede systemer, der kr\u00e6ver seriel kommunikation i kr\u00e6vende applikationer. Den tilbyder 2 eller 4 optisk isolerede serielle porte med RS-232-, RS-422- og RS-485-protokoller samt 24 digitale I\/O-linjer, alt sammen p\u00e5 et enkelt kort. <\/p>\n<p>Optisk isolation p\u00e5 1000 V j\u00e6vnstr\u00f8m eller vekselstr\u00f8m beskytter dit indbyggede system mod jordforskelle eller st\u00f8jspidser, der ellers ville beskadige ikke-isolerede kort. Hver port er isoleret fra de \u00f8vrige porte s\u00e5vel som fra systemet. Det udvidede temperaturomr\u00e5de (-40 til +85 \u00b0C) g\u00f8r det muligt for kortet at fungere i k\u00f8ret\u00f8jer s\u00e5som tog og busser uden bekymring for temperatursvingninger. Disse egenskaber g\u00f8r det muligt for Emerald-MM-Opto at levere p\u00e5lidelig seriel kommunikation i barske milj\u00f8er s\u00e5som tog og busser.   <\/p>\n<p>Ud over sin robuste konstruktion tilbyder Emerald-MM-Opto fleksibilitet og avancerede funktioner. Hver seriel port kan konfigureres uafh\u00e6ngigt med hensyn til protokol- og IRQ-indstillinger. Der er indbygget otte forskellige I\/O-adressekombinationer. 16C2850 UART-chips med 128-byte FIFO&#8217;er underst\u00f8tter h\u00f8je datahastigheder p\u00e5 op til 460 kbps uden at overbelaste systemprocessoren. Automatisk flowkontrol muligg\u00f8r nem drift af RS-485 ved automatisk at aktivere og deaktivere senderen under dataoverf\u00f8rsel for at forhindre buskonflikter eller un\u00f8dvendig softwarebelastning.    <\/p>\n<p>Emerald-MM-Opto tilbyder desuden flere forskellige termineringsmetoder p\u00e5 de serielle porte for at im\u00f8dekomme forskellige gr\u00e6nsefladekrav. I RS-422- eller RS-485-netv\u00e6rk installeres der normalt termineringsmodstande i enderne af kablerne for at minimere refleksioner p\u00e5 linjerne. Kortet har til dette form\u00e5l terminerings- og pull-up\/pull-down-modstande, der kan v\u00e6lges via jumpere. Den gennemt\u00e6nkte placering af jumperne og layoutet bidrager til at forenkle kortkonfigurationen og minimere forvirring.   <\/p>\n<p>De 24 digitale I\/O-linjer er baseret p\u00e5 en 82C55-chip og har programmerbar retning i 4- og 8-bit-grupper. Alle I\/O-linjer indeholder brugerkonfigurerbare 10 k\u03a9 pull-up-modstande for at g\u00f8re det nemmere. Denne 2-i-1-kombination af serielle porte og digitale I\/O-linjer kan bidrage til at reducere st\u00f8rrelsen og omkostningerne ved dit indlejrede system ved at fjerne et ekstra kort fra din PC\/104-stak.  <\/p>\n<p>Diamond Systems tilbyder passende tilslutningskabler for at g\u00f8re det nemmere for dig. Kabel nr. C-DB9M-1 har et DB-9-hanstik med standard-pin-konfiguration til en PC\u2019s serielle port. Der kr\u00e6ves \u00e9t kabel til hver seriel port. Kabel nr. C-26-18 er et 26-leder b\u00e5ndkabel til de digitale I\/O-linjer.     <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Beskrivelse Emerald-MM-Opto udg\u00f8r en integreret, robust og p\u00e5lidelig l\u00f8sning til PC\/104-udvidelige indlejrede systemer, der kr\u00e6ver seriel kommunikation i kr\u00e6vende applikationer. Den tilbyder 2 eller 4 optisk isolerede serielle porte med RS-232-, RS-422- og RS-485-protokoller samt 24 digitale I\/O-linjer, alt sammen p\u00e5 et enkelt kort. Optisk isolation p\u00e5 1000 V j\u00e6vnstr\u00f8m eller vekselstr\u00f8m beskytter dit indbyggede&#8230;<\/p>\n","protected":false},"featured_media":8042456,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_kad_post_transparent":"default","_kad_post_title":"","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":""},"product_brand":[],"product_cat":[10508,10501,10460,10753,10065],"product_tag":[],"product_facet":[10814],"class_list":["post-1018095","product","type-product","status-publish","has-post-thumbnail","product_cat-single-board-computer-da","product_cat-i-o-expansion-modules-and-accessories-da","product_cat-industrial-computers-da","product_cat-produkter","product_cat-serial-i-o-modules-da","product_facet-industrial-computers","first","instock","downloadable","shipping-taxable","product-type-simple","entry","content-bg","loop-entry"],"yoast_head":"<!-- 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