{"id":1018088,"date":"2025-01-01T00:00:00","date_gmt":"2025-01-01T00:00:00","guid":{"rendered":"http:\/\/&p=1018088"},"modified":"2026-08-19T02:46:12","modified_gmt":"2026-08-19T02:46:12","slug":"emerald-mm-8plus-da","status":"publish","type":"product","link":"https:\/\/scn.eu\/da\/vare\/emerald-mm-8plus-da\/","title":{"rendered":"Emerald-MM-8Plus PC\/104-Plus 8-ports RS232\/422\/485 serielt I\/O-modul"},"content":{"rendered":"

Beskrivelse
\nEmerald-MM-8Plus er et h\u00f8jtydende serielt kommunikationskort med underst\u00f8ttelse af flere protokoller, der tilbyder otte porte p\u00e5 et enkelt PC\/104-Plus-modul. Med underst\u00f8ttelse af baudhastigheder op til 921,6 Kbps i RS-232-tilstand eller 1,8432 Mbps i RS-422- eller RS-485-tilstand kan hver port v\u00e6lges individuelt til drift i RS-232-, RS-422-, RS-485- eller TTL-tilstand. B\u00e5de lokal-echo- og ikke-lokal-echo-tilstande underst\u00f8ttes for RS-485. Valg af protokol foretages via en jumperblok for hver af de otte porte. Linjeafslutning for RS-422\/485-tilstande kan ligeledes v\u00e6lges via jumper. <\/p>\n

Konfigurationen af Emerald-MM-8Plus er enkel takket v\u00e6re den indbyggede plug-and-play-teknologi. Ved manuel konfiguration kan kortets basisadresse indstilles via softwaren, hvorved der defineres en 4K-blok af konfigurationsplads, der bruges til at f\u00e5 adgang til de indbyggede registre. En enkelt 32-bit l\u00e6sning viser den detaljerede afbrydelsesstatus for hver af de otte porte. PCI-\u00bbslottet\u00ab defineres via en jumperblok. Som med alle Diamond Systems-produkter er jumperne parallelt forbundet med pladser til nul-ohm-modstande for at skabe en robust, st\u00f8d- og vibrationsbestandig l\u00f8sning. <\/p>\n

Emerald-MM-8Plus er baseret p\u00e5 Exar 17D158-oktal-UART-IC\u2019en. Denne enhed indeholder 8 identiske s\u00e6t af 16C55-registre, \u00e9t til hver port, og er kompatibel med den standardiserede serielle PC-port. Hver port indeholder 64-byte FIFO’er til transmission og modtagelse for at underst\u00f8tte de h\u00f8je datahastigheder. <\/p>\n

Emerald-MM-8Plus har desuden 8 praktiske digitale I\/O-linjer. Retningen for hver linje kan programmeres uafh\u00e6ngigt. Endelig har Emerald-MM-8Plus ogs\u00e5 en 16-bit programmerbar t\u00e6ller\/timer med en konfigurerbar klokkekilde. <\/p>\n

Der medf\u00f8lger to I\/O-stik, hvor hvert stik har fire serielle porte og fire digitale I\/O-linjer. Kortet fungerer udelukkende p\u00e5 +5 V, hvilket eliminerer behovet for en +12 V-str\u00f8mforsyning, som ofte er n\u00f8dvendig for drift af serielle porte. <\/p>\n","protected":false},"excerpt":{"rendered":"

Beskrivelse Emerald-MM-8Plus er et h\u00f8jtydende serielt kommunikationskort med underst\u00f8ttelse af flere protokoller, der tilbyder otte porte p\u00e5 et enkelt PC\/104-Plus-modul. Med underst\u00f8ttelse af baudhastigheder op til 921,6 Kbps i RS-232-tilstand eller 1,8432 Mbps i RS-422- eller RS-485-tilstand kan hver port v\u00e6lges individuelt til drift i RS-232-, RS-422-, RS-485- eller TTL-tilstand. B\u00e5de lokal-echo- og ikke-lokal-echo-tilstande underst\u00f8ttes…<\/p>\n","protected":false},"featured_media":8042434,"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-1018088","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":"\nEmerald-MM-8Plus 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