{"id":1018087,"date":"2025-01-01T00:00:00","date_gmt":"2025-01-01T00:00:00","guid":{"rendered":"http:\/\/&#038;p=1018087"},"modified":"2026-08-19T02:46:17","modified_gmt":"2026-08-19T02:46:17","slug":"emerald-mm-8plus-fi","status":"publish","type":"product","link":"https:\/\/scn.eu\/fi\/tuote\/emerald-mm-8plus-fi\/","title":{"rendered":"Emerald-MM-8Plus PC\/104-Plus 8-porttinen RS232\/422\/485-sarjaliikennemoduuli"},"content":{"rendered":"<p>Kuvaus<br \/>\nEmerald-MM-8Plus on korkean suorituskyvyn moniprotokollinen sarjaliikennekortti, joka tarjoaa kahdeksan porttia yhdell\u00e4 PC\/104-Plus-moduulilla. Laite tukee baudinopeuksia jopa 921,6 Kbps RS-232-tilassa tai 1,8432 Mbps RS-422- tai RS-485-tilassa, ja jokainen portti voidaan valita erikseen toimimaan RS-232-, RS-422-, RS-485- tai TTL-tasolla. RS-485-tilassa tuetaan sek\u00e4 paikallista kaiku- ett\u00e4 ei-paikallista kaiku-tilaa. Protokollan valinta tapahtuu kunkin kahdeksan portin jumpperilohkon avulla. My\u00f6s RS-422\/485-tilojen linjap\u00e4\u00e4tteet voidaan valita jumpperien avulla.    <\/p>\n<p>Emerald-MM-8Plus -kortin konfigurointi on yksinkertaista sis\u00e4\u00e4nrakennetun plug-and-play-tekniikan ansiosta. Manuaalista konfigurointia varten kortin perusosoite voidaan m\u00e4\u00e4ritt\u00e4\u00e4 ohjelmistossa, jolloin m\u00e4\u00e4ritell\u00e4\u00e4n 4K:n suuruinen konfigurointitila, jota k\u00e4ytet\u00e4\u00e4n kortin sis\u00e4isiin rekistereihin p\u00e4\u00e4semiseksi. Yksi 32-bittinen lukukomento n\u00e4ytt\u00e4\u00e4 kunkin kahdeksan portin yksityiskohtaisen keskeytyksen tilan. PCI-\u201dpaikka\u201d m\u00e4\u00e4ritet\u00e4\u00e4n hyppyjohdinlohkon avulla. Kuten kaikissa Diamond Systemsin tuotteissa, hyppyjohdinpaikoissa on rinnakkain nollaoomisten vastusten paikat, mik\u00e4 takaa kest\u00e4v\u00e4n, iskuja ja t\u00e4rin\u00e4\u00e4 kest\u00e4v\u00e4n rakenteen.    <\/p>\n<p>Emerald-MM-8Plus perustuu Exar 17D158 -kahdeksankantaiseen UART-piiriin. Laite sis\u00e4lt\u00e4\u00e4 kahdeksan identtist\u00e4 16C55-rekisterisarjaa, yhden kutakin porttia kohti, ja se on yhteensopiva tavallisen PC:n sarjaportin kanssa. Jokaisessa portissa on 64 tavun l\u00e4hetys- ja vastaanotto-FIFO-muistit, jotka tukevat suuria tiedonsiirtonopeuksia.  <\/p>\n<p>Emerald-MM-8Plus tarjoaa my\u00f6s 8 k\u00e4tev\u00e4\u00e4 digitaalista I\/O-linjaa. Kunkin linjan suunta on ohjelmoitavissa erikseen. Lis\u00e4ksi Emerald-MM-8Plus sis\u00e4lt\u00e4\u00e4 16-bittisen ohjelmoitavan laskurin\/ajastimen, jonka kellol\u00e4hde on konfiguroitavissa.  <\/p>\n<p>Mukana on kaksi I\/O-liitint\u00e4, joissa kummassakin on nelj\u00e4 sarjaporttia ja nelj\u00e4 digitaalista I\/O-linjaa. Kortti toimii pelk\u00e4st\u00e4\u00e4n +5 V:n j\u00e4nnitteell\u00e4, mink\u00e4 ansiosta +12 V:n virtal\u00e4hdett\u00e4, jota sarjaporttien k\u00e4ytt\u00f6\u00f6n usein tarvitaan, ei tarvita. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Kuvaus Emerald-MM-8Plus on korkean suorituskyvyn moniprotokollinen sarjaliikennekortti, joka tarjoaa kahdeksan porttia yhdell\u00e4 PC\/104-Plus-moduulilla. Laite tukee baudinopeuksia jopa 921,6 Kbps RS-232-tilassa tai 1,8432 Mbps RS-422- tai RS-485-tilassa, ja jokainen portti voidaan valita erikseen toimimaan RS-232-, RS-422-, RS-485- tai TTL-tasolla. RS-485-tilassa tuetaan sek\u00e4 paikallista kaiku- ett\u00e4 ei-paikallista kaiku-tilaa. Protokollan valinta tapahtuu kunkin kahdeksan portin jumpperilohkon avulla. My\u00f6s&#8230;<\/p>\n","protected":false},"featured_media":8042443,"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":[10503,10066,10462,10755,10509],"product_tag":[],"product_facet":[10815],"class_list":["post-1018087","product","type-product","status-publish","has-post-thumbnail","product_cat-i-o-expansion-modules-and-accessories-fi","product_cat-serial-i-o-modules-fi","product_cat-industrial-computers-fi","product_cat-tuotteita","product_cat-single-board-computer-fi","product_facet-industrial-computers-fi","first","instock","downloadable","shipping-taxable","product-type-simple","entry","content-bg","loop-entry"],"yoast_head":"<!-- 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