{"id":54525,"date":"2023-06-30T09:49:27","date_gmt":"2023-06-30T08:49:27","guid":{"rendered":"https:\/\/knowhow.distrelec.com\/okategoriserad\/valja-ohanterade-switchar-for-industriella-natverk\/"},"modified":"2023-06-30T09:49:28","modified_gmt":"2023-06-30T08:49:28","slug":"valja-ohanterade-switchar-for-industriella-natverk","status":"publish","type":"post","link":"https:\/\/knowhow.distrelec.com\/sv\/sm-sv\/valja-ohanterade-switchar-for-industriella-natverk\/","title":{"rendered":"V\u00e4lja ohanterade switchar f\u00f6r industriella n\u00e4tverk"},"content":{"rendered":"\n<div class=\"wp-block-columns has-border-color has-59-bacc-border-color has-black-color has-gray-100-background-color has-text-color has-background cnvs-block-core-columns-1686839568021 is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div class=\"wp-block-image is-style-rounded\">\n<figure class=\"aligncenter size-large is-resized\"><img  loading=\"lazy\"  decoding=\"async\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAApJREFUCNdjYAAAAAIAAeIhvDMAAAAASUVORK5CYII=\"  alt=\"\"  class=\"wp-image-54046 pk-lazyload\"  width=\"1024\"  height=\"1024\"  data-pk-sizes=\"auto\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2023\/06\/Pic-1024x1024.jpg\" ><\/figure><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p>Pooyan Dehghani, produktmarknadschef p\u00e5 <a href=\"https:\/\/www.distrelec.com\/global\/?search=moxa\" target=\"_blank\" rel=\"noreferrer noopener\">Moxa<\/a> <\/p>\n\n\n\n<p>Pooyan som produktmarknadschef \u00e4r ansvarig f\u00f6r att utveckla och implementera effektiva marknadsf\u00f6ringsstrategier och planer f\u00f6r att lyfta fram de exceptionella egenskaperna hos Moxas industriella switchar. Med en djupt rotad passion f\u00f6r digitalisering och h\u00e5llbarhet erk\u00e4nner Pooyan dessa drivkrafter som katalysatorer f\u00f6r industriomvandling, vilket leder till en ljusare och mer effektiv framtid.<\/p>\n<\/div>\n<\/div>\n\n<p>Ethernet-switchar \u00e4r viktiga komponenter i alla n\u00e4tverk. De anv\u00e4nds d\u00e4r ytterligare Ethernet-portar beh\u00f6vs f\u00f6r att ansluta enheter.<\/p>\n\n<p>N\u00e4r det kommer till industriell anv\u00e4ndning \u00e4r det \u00e4nnu viktigare att v\u00e4lja r\u00e4tt produkter. Industriella switchar \u00e4r avsedda att ansluta enheter i h\u00e5rda v\u00e4der- och milj\u00f6f\u00f6rh\u00e5llanden. De m\u00e5ste s\u00e4kerst\u00e4lla ett s\u00e4kert och p\u00e5litligt n\u00e4tverk under drift.<\/p>\n\n<p>Vanligtvis \u00e4r kunderna bekanta med hastigheten, antalet och typen av portar som kr\u00e4vs f\u00f6r att anv\u00e4nda i deras n\u00e4tverk. Av denna anledning granskar vi inte dessa faktorer.<\/p>\n\n<p>I denna riktlinje kommer vi att g\u00e5 \u00f6ver fyra kritiska kriterier f\u00f6r att v\u00e4lja r\u00e4tt ohanterade switchar som kan f\u00f6rbises.<\/p>\n\n<h2 id=\"1-tillforlitlighet-och-agandekostnad\" class=\"wp-block-heading\">1. <strong>Tillf\u00f6rlitlighet och \u00e4gandekostnad<\/strong><\/h2>\n\n<p>En p\u00e5litlig anslutning \u00e4r en viktig del av industriella n\u00e4tverk och kan motivera de h\u00f6gre priserna p\u00e5 dessa enheter. Det \u00e4r b\u00e4ttre att ha ett l\u00e5ngsiktigt perspektiv n\u00e4r du k\u00f6per industriella Ethernet-switchar till ditt n\u00e4tverk. Dessa enheter kommer att finnas p\u00e5 plats i flera \u00e5r och kommer att anslutas till k\u00e4nslig utrustning. \u00a0H\u00e4r \u00e4r n\u00e5gra kriterier f\u00f6r att v\u00e4lja p\u00e5litliga enheter som kan spara kostnader och ge v\u00e4rde till ditt n\u00e4tverk.\u00a0 \u00a0<\/p>\n\n<ul class=\"wp-block-list\"><li><strong>Medeltid mellan fel (MTBF): <\/strong>MTBF \u00e4r ett statistiskt v\u00e4rde och uttrycks ofta i timmar eller \u00e5r. Indikerar enhetens tillf\u00f6rlitlighet. Kostnaden f\u00f6r stillest\u00e5nd i en industriell milj\u00f6 p\u00e5 grund av utrustningsfel kan vara h\u00f6g. Vanligtvis har industriprodukter h\u00f6gre MTBF \u00e4n vanliga produkter och kan fungera i m\u00e5nga \u00e5r utan problem. I det h\u00e4r fallet \u00e4r det f\u00f6rdelaktigt att v\u00e4lja switchar fr\u00e5n v\u00e4lrenommerade m\u00e4rken med h\u00f6gre MTBF.<\/li><\/ul>\n\n<ul class=\"wp-block-list\"><li><strong>Str\u00f6mf\u00f6rs\u00f6rjning: <\/strong>Switchar med ett brett insp\u00e4nningsomr\u00e5de kan ta emot str\u00f6m fr\u00e5n en m\u00e4ngd olika k\u00e4llor. Detta g\u00f6r att de kan anv\u00e4ndas i olika milj\u00f6er och sparar lagerkostnader. Dessutom kan omkopplaren forts\u00e4tta att fungera under str\u00f6mfluktuationer, \u00f6versp\u00e4nningar eller fall. Det \u00f6kar drifttiden och tillf\u00f6rlitligheten f\u00f6r n\u00e4tverket.<\/li><\/ul>\n\n<p>Om drifttiden \u00e4r extremt viktig i ditt n\u00e4tverk \u00e4r det b\u00e4ttre att v\u00e4lja switchar med redundant str\u00f6mf\u00f6rs\u00f6rjning.\u00a0<\/p>\n\n<p>En redundant str\u00f6mf\u00f6rs\u00f6rjning g\u00f6r att du kan ansluta switchen till tv\u00e5 str\u00f6mk\u00e4llor. Det \u00e4r anv\u00e4ndbart n\u00e4r en k\u00e4lla slocknar, den andra kommer att forts\u00e4tta att f\u00f6rse enheten med str\u00f6m.<\/p>\n\n<ul class=\"wp-block-list\"><li><strong>Garanti: <\/strong>Garantin ger garanti f\u00f6r kvalitet. Det ger ocks\u00e5 sinnesfrid om en enhet \u00e4r defekt. L\u00e4s alltid igenom garantivillkoren innan du k\u00f6per produkten fr\u00e5n n\u00e5got f\u00f6retag. Se till att du kan f\u00e5 tillr\u00e4ckligt med support n\u00e4r en produkt inte fungerar.<\/li><\/ul>\n\n<ul class=\"wp-block-list\"><li><strong>Ledtid:<\/strong> Ledtiden f\u00f6r att ta emot switchen kan l\u00e4tt gl\u00f6mmas bort. Det \u00e4r ett viktigt \u00f6verv\u00e4gande beroende p\u00e5 projektkraven.<\/li><\/ul>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img  loading=\"lazy\"  decoding=\"async\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAApJREFUCNdjYAAAAAIAAeIhvDMAAAAASUVORK5CYII=\"  alt=\"\"  class=\"wp-image-54132 pk-lazyload\"  width=\"408\"  height=\"453\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 408px) 100vw, 408px\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2023\/06\/8e000efb-e39f-4a5f-8121-7bcbcb8c1e60.png\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2023\/06\/8e000efb-e39f-4a5f-8121-7bcbcb8c1e60.png 642w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2023\/06\/8e000efb-e39f-4a5f-8121-7bcbcb8c1e60.png?resize=270,300 270w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2023\/06\/8e000efb-e39f-4a5f-8121-7bcbcb8c1e60.png?resize=380,422 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2023\/06\/8e000efb-e39f-4a5f-8121-7bcbcb8c1e60.png?resize=550,611 550w\" ><figcaption>EDS-2000-EL, koncept med ett kreditkort. K\u00e4lla: Moxa<\/figcaption><\/figure><\/div>\n<p>F\u00f6rseningar i tidsk\u00e4nsliga projekt \u00e4r kostsamma och kan skada den ansvarige personens rykte. Utv\u00e4rdera noggrant ledtiden och v\u00e4lj en p\u00e5litlig leverant\u00f6r. Detta hj\u00e4lper dig att h\u00e5lla dina projektdeadlines.<\/p>\n\n<h2 id=\"2-hallbarhet-och-overensstammelse\" class=\"wp-block-heading\">2. <strong>H\u00e5llbarhet och \u00f6verensst\u00e4mmelse<\/strong><\/h2>\n\n<p>Industriella switchar \u00e4r designm\u00e4ssigt mer sofistikerade \u00e4n kommersiella och \u00e4r beredda att motst\u00e5 tuffa f\u00f6rh\u00e5llanden. Nedan finns n\u00e5gra punkter som du kan t\u00e4nka p\u00e5 n\u00e4r du v\u00e4ljer din enhet.<\/p>\n\n<ul class=\"wp-block-list\"><li><strong>Drifttemperaturomr\u00e5de:<\/strong> Det \u00e4r viktigt att \u00f6verv\u00e4ga temperaturomr\u00e5det vid vilket brytarna ska anv\u00e4ndas. Enhetens temperatur kan vara mycket l\u00e5g eller mycket h\u00f6g i vissa situationer. Switcharnas driftstemperatur b\u00f6r vara tillr\u00e4ckligt bred f\u00f6r att t\u00e4cka potentiellt extrema f\u00f6rh\u00e5llanden.<\/li><\/ul>\n\n<ul class=\"wp-block-list\"><li><strong>Industriellt h\u00f6lje:<\/strong> Att v\u00e4lja en switch med robust h\u00f6lje f\u00f6r att klara utmanande milj\u00f6f\u00f6rh\u00e5llanden \u00e4r avg\u00f6rande f\u00f6r ett industriellt n\u00e4tverk. IP-koden, eller intr\u00e5ngsskyddskoden, \u00e4r anv\u00e4ndbar n\u00e4r du v\u00e4ljer elektriska enheter f\u00f6r industriella milj\u00f6er. Det kan bidra till att skydda enheten mot intr\u00e5ng av f\u00f6rem\u00e5l, damm eller v\u00e4tskor.<\/li><\/ul>\n\n<p>Det \u00e4r ocks\u00e5 v\u00e4rt att n\u00e4mna, switchar med plast h\u00f6ljen \u00e4r bra alternativ om du vill ha en prisv\u00e4rd och l\u00e4tt enhet. \u00c5 andra sidan har metallh\u00f6lje b\u00e4ttre v\u00e4rmeavledning. De har ocks\u00e5 en b\u00e4ttre jordningseffekt n\u00e4r det kommer till milj\u00f6er med h\u00f6ga elektromagnetiska brusniv\u00e5er.<\/p>\n\n<ul class=\"wp-block-list\"><li><strong>Certifieringar: <\/strong>F\u00f6r vissa branscher, s\u00e5som transport, sj\u00f6fart, j\u00e4rnv\u00e4g osv. kan ytterligare certifiering kr\u00e4vas. Du kan informera dig om din industris obligatoriska certifieringar och se till att de switchar du v\u00e4ljer \u00f6verensst\u00e4mmer med dessa standarder.<\/li><\/ul>\n\n<h2 id=\"3-dataoverforing\" class=\"wp-block-heading\">3. <strong>Data\u00f6verf\u00f6ring<\/strong><\/h2>\n\n<p>Prestandan hos en switch kan f\u00f6rb\u00e4ttra ditt n\u00e4tverks kvalitet mycket. Det finns flera faktorer som du kan t\u00e4nka p\u00e5 innan du v\u00e4ljer din enhet.\u00a0<\/p>\n\n<ul class=\"wp-block-list\"><li><strong>Broadcast Storm Protection (BSP):<\/strong> En s\u00e4ndningsstorm \u00e4r ackumuleringen av m\u00e5nga s\u00e4ndningspaket under en kort period. Det kan minska n\u00e4tverkets prestanda avsev\u00e4rt.<\/li><\/ul>\n\n<p>Att hitta s\u00e4ndningsstorm p\u00e5verkade portar kan bli mycket sv\u00e5rt, med tanke p\u00e5 att ohanterade switchar inte g\u00e5r att uppt\u00e4cka i n\u00e4tverksprogramvara.<\/p>\n\n<p>Skydd mot s\u00e4ndningsstorm f\u00f6rhindrar n\u00e4tverksfels\u00f6kning genom att blockera s\u00e4ndningstrafik n\u00e4r den n\u00e5r en viss niv\u00e5. Detta hj\u00e4lper till att undvika sv\u00e5ra problem.<\/p>\n\n<ul class=\"wp-block-list\"><li><strong>Servicekvalitet (QoS):<\/strong> I ett \u00f6verbelastat n\u00e4tverk vill du se till att de kritiska paketen \u00f6verf\u00f6rs i tid. QoS-funktionen prioriterar n\u00e4tverkstrafik s\u00e5 att viktiga paket kan passera f\u00f6rst. Den garanterar att viktiga applikationer f\u00e5r de n\u00f6dv\u00e4ndiga resurserna f\u00f6r att fungera korrekt.<\/li><\/ul>\n\n<ul class=\"wp-block-list\"><li><strong>MAC-tabellstorlek:<\/strong> MAC-tabellen \u00e4r en lagringsplats f\u00f6r MAC-adresserna f\u00f6r n\u00e4tverksenheter. Detta hj\u00e4lper switchen att snabbt \u00f6verf\u00f6ra data till r\u00e4tt portar.<\/li><\/ul>\n\n<p>N\u00e4r denna tabell \u00e4r full s\u00e4nder switchen trafik till alla tillg\u00e4ngliga portar i n\u00e4tverket. Detta kan ses som ett s\u00e4kerhetshot.<\/p>\n\n<p>Du kan f\u00f6rhindra detta problem genom att ber\u00e4kna n\u00e4tverkets n\u00f6dv\u00e4ndiga MAC-tabellstorlek.<\/p>\n\n<ul class=\"wp-block-list\"><li><strong>Switch buffertstorlek:<\/strong> Switch bufferten \u00e4r det minne som enheten anv\u00e4nder f\u00f6r att lagra dataramarna\/paketen den tar emot innan den vidarebefordras.<\/li><\/ul>\n\n<p>I vissa milj\u00f6er f\u00f6rb\u00e4ttrar kommunikationen att ha en st\u00f6rre databuffert inuti switchen. Med f\u00f6rbeh\u00e5ll f\u00f6r intensivt datautbyte och en \u00f6verbelastad intern buffert, kommer f\u00e4rre bildrutor att sl\u00e4ppas av switchen. Om switchen tappar ramen m\u00e5ste den skickas igen, och det kan orsaka f\u00f6rseningar i kommunikationen. Med andra ord, ju st\u00f6rre buffertstorlek desto b\u00e4ttre.<\/p>\n\n<h2 id=\"3-installation-och-underhall\" class=\"wp-block-heading\">3. <strong>Installation och underh\u00e5ll<\/strong><\/h2>\n\n<p>N\u00e4tverksinstallation kan vara komplex p\u00e5 grund av det stora antalet tillg\u00e4ngliga enheter. Det finns n\u00e5gra \u00f6verv\u00e4ganden i detta avseende som kan spara energi och tid vid installation av switcharna. \u00a0<\/p>\n\n<ul class=\"wp-block-list\"><li><strong>Storlek p\u00e5 switchen: <\/strong>Kontrollpaneler eller n\u00e4tverkssk\u00e5p \u00e4r vanligtvis fulla med olika enheter. Att montera switchar i kontrollpaneler kan ibland vara utmanande eller till och med om\u00f6jligt. Under dessa omst\u00e4ndigheter m\u00f6jligg\u00f6r anv\u00e4ndning av sm\u00e5 switchar flexibel installation och kan ge plats f\u00f6r framtida n\u00e4tverksexpansion.<\/li><\/ul>\n\n<ul class=\"wp-block-list\"><li><strong>Enkel installation: <\/strong>Ohanterade switchar \u00e4r plug-and-play, s\u00e5 konfigurationen \u00e4r enkel. Problemet uppst\u00e5r vid montering av m\u00e5nga switchar i ett n\u00e4tverkssk\u00e5p eller kontrollpanel.<\/li><\/ul>\n\n<figure class=\"wp-block-image size-large\"><img  loading=\"lazy\"  decoding=\"async\"  height=\"495\"  width=\"1024\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAABAAAAAHvAQMAAADw+T8wAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAFVJREFUeNrtwTEBAAAAwqD1T20MH6AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAgLMB+W8AAYJhQQ0AAAAASUVORK5CYII=\"  alt=\"\"  class=\"wp-image-54115 pk-lazyload\"  data-pk-sizes=\"auto\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2023\/06\/1fa04edc-cb97-4f59-a8d5-e76ce2d93f68-1024x495.png\" ><figcaption>EDS-2000-EL-ML familjeserie fr\u00e5n Moxa<\/figcaption><\/figure>\n\n<p>Genom att v\u00e4lja switchar med l\u00e4mpliga monteringssatser kan du se till att de \u00e4r l\u00e4tta att montera eller demontera.<\/p>\n\n<p>Sammantaget kr\u00e4ver att v\u00e4lja en l\u00e4mplig industriell ohanterad switch kunskap om ditt n\u00e4tverk. Detta inkluderar typen av enheter i n\u00e4tverket och milj\u00f6n d\u00e4r switchen kommer att anv\u00e4ndas. En p\u00e5litlig switch kan f\u00f6rb\u00e4ttra n\u00e4tverkets prestanda och minska stillest\u00e5ndstiden. Du b\u00f6r ocks\u00e5 vara medveten om att ohanterade switchar erbjuder f\u00e5 s\u00e4kerhetsfunktioner. Om s\u00e4kerhet \u00e4r din prioritet rekommenderas att du anv\u00e4nder hanterade v\u00e4xlar. Att ta h\u00e4nsyn till ovan n\u00e4mnda faktorer hj\u00e4lper dig att v\u00e4lja en effektiv ohanterad switch. S\u00e5 innan du best\u00e4ller din n\u00e4sta switch, ta dig tid och utv\u00e4rdera dem alla.<\/p>\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-red-background-color has-background\" href=\"https:\/\/www.distrelec.biz\/en\/industrial-ethernet-switches-unmanaged-eds-2000-el-moxa\/pf\/2325397\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>K\u00f6p ohanterade switchar fr\u00e5n Moxa<\/strong><\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"Pooyan Dehghani, produktmarknadschef p\u00e5 Moxa Pooyan som produktmarknadschef \u00e4r ansvarig f\u00f6r att utveckla och implementera effektiva marknadsf\u00f6ringsstrategier och&hellip;\n","protected":false},"author":24,"featured_media":54096,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"csco_singular_sidebar":"","csco_page_header_type":"","csco_appearance_grid":"","csco_page_load_nextpost":"","csco_post_video_location":[],"csco_post_video_location_hash":"","csco_post_video_url":"","csco_post_video_bg_start_time":0,"csco_post_video_bg_end_time":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1024,1722],"tags":[],"coauthors":[],"class_list":{"0":"post-54525","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-automation-sv","8":"category-sm-sv","9":"cs-entry","10":"cs-video-wrap"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.4 - 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