{"id":8235420,"date":"2026-10-24T17:32:03","date_gmt":"2026-10-24T17:32:03","guid":{"rendered":"https:\/\/scn.eu\/?post_type=scn_guide&#038;p=8235420"},"modified":"2026-10-24T17:32:04","modified_gmt":"2026-10-24T17:32:04","slug":"hmi-operatorpanel","status":"publish","type":"scn_guide","link":"https:\/\/scn.eu\/da\/guider\/hmi-operatorpanel\/","title":{"rendered":"HMI og operat\u00f8rpaneler \u2013 s\u00e5dan v\u00e6lger du det rigtige"},"content":{"rendered":"<div class=\"scn-guide\">\n<h1>HMI og operat\u00f8rpaneler \u2013 s\u00e5dan v\u00e6lger du det rigtige<\/h1>\n<p class=\"g-lead\">Operat\u00f8rpanelet er det, operat\u00f8ren ser af maskinen. Her gennemg\u00e5r vi forskellen p\u00e5 HMI-panel og panel-PC, hvordan panelet kommunikerer med PLC&#8217;en, og hvad du skal v\u00e6re opm\u00e6rksom p\u00e5 med software, alarmer og fjernadgang.<\/p>\n<div class=\"g-short\"><b class=\"t\">Kort svar<\/b><\/p>\n<ul>\n<li><b>HMI<\/b> \u2013 Human Machine Interface, brugerfladen, hvor operat\u00f8ren ser status, \u00e6ndrer v\u00e6rdier og kvitterer alarmer.<\/li>\n<li><b>HMI-panel<\/b> \u2013 touchsk\u00e6rm med f\u00e6rdig HMI-software. Enkelt, starter hurtigt og er nok til de fleste maskiner.<\/li>\n<li><b>Panel-PC med SCADA<\/b> \u2013 n\u00e5r du har brug for Windows, mange PLC&#8217;er, databaser eller egne programmer.<\/li>\n<li><b>Kommunikation<\/b> \u2013 kontroll\u00e9r, at panelet har en driver til din PLC, for eksempel Siemens, Rockwell, Omron eller Modbus, eller brug OPC UA.<\/li>\n<li><b>Fjernadgang<\/b> \u2013 sparer rejser, men kr\u00e6ver VPN, personlige konti og logning.<\/li>\n<\/ul>\n<\/div>\n<h2>Hvad er en HMI?<\/h2>\n<p>HMI st\u00e5r for Human Machine Interface, brugerfladen mellem menneske og maskine. I praksis er det oftest en touchsk\u00e6rm i tavlel\u00e5gen, der viser maskinens status, m\u00e5lev\u00e6rdier, alarmer og trends, og hvor operat\u00f8ren starter, stopper og \u00e6ndrer indstillinger. I enkle maskiner er trykknapper og signallamper stadig nok.<\/p>\n<p>HMI&#8217;en styrer ikke selv maskinen \u2013 det g\u00f8r PLC&#8217;en. Panelet l\u00e6ser og skriver variabler, s\u00e5kaldte tags, i PLC&#8217;en. Derfor kan panelet udskiftes, uden at styrelogikken \u00e6ndres. Sikkerhedsfunktioner som n\u00f8dstop skal altid v\u00e6re h\u00e5rdt koblet i sikkerhedskredsen, aldrig en knap p\u00e5 sk\u00e6rmen.<\/p>\n<figure><img loading=\"lazy\" src=\"https:\/\/scn.eu\/wp-content\/uploads\/2026\/10\/scn-guide-hmi-f1-da.webp\" alt=\"HMI-panelet l\u00e6ser og skriver tags i PLC&#x27;en, sender data til SCADA via OPC UA og kan n\u00e5s p\u00e5 afstand via en VPN-router\" width=\"1520\" height=\"544\" loading=\"lazy\" decoding=\"async\"><figcaption>HMI-panelet viser og \u00e6ndrer v\u00e6rdier i PLC&#8217;en. Styring og sikkerhedsfunktioner ligger i PLC&#8217;en og sikkerhedskredsen.<\/figcaption><\/figure>\n<h2>HMI-panel eller panel-PC med SCADA?<\/h2>\n<div class=\"g-tbl\">\n<table>\n<thead>\n<tr>\n<th>Egenskab<\/th>\n<th>HMI-panel<\/th>\n<th>Panel-PC med SCADA-software<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"n\">Styresystem<\/td>\n<td>Indbygget styresystem, som du ikke beh\u00f8ver at vedligeholde<\/td>\n<td>Windows eller Linux<\/td>\n<\/tr>\n<tr>\n<td class=\"n\">Software<\/td>\n<td>Producentens konfigurationsv\u00e6rkt\u00f8j<\/td>\n<td>SCADA- eller HMI-program med runtime-licens<\/td>\n<\/tr>\n<tr>\n<td class=\"n\">Egnet til<\/td>\n<td>En maskine eller linje med en eller nogle f\u00e5 PLC&#8217;er<\/td>\n<td>Flere maskiner, databaser, rapporter og MES<\/td>\n<\/tr>\n<tr>\n<td class=\"n\">Vedligeholdelse<\/td>\n<td>Starter hurtigt, f\u00e5 opdateringer<\/td>\n<td>Kr\u00e6ver sikkerhedsopdateringer og IT-vedligeholdelse<\/td>\n<\/tr>\n<tr>\n<td class=\"n\">Pris<\/td>\n<td>Lavere<\/td>\n<td>H\u00f8jere, men mere fleksibelt<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>Gr\u00e6nsen udviskes. Moderne HMI-paneler kan vise websider, logge til databaser og i nogle tilf\u00e6lde k\u00f8re PLC-programmer efter IEC 61131-3 med CODESYS. Der findes ogs\u00e5 HMI-servere uden sk\u00e6rm til DIN-skinne, som viser brugerfladen p\u00e5 tablets eller almindelige sk\u00e6rme. Sk\u00e6rmst\u00f8rrelse, touchteknik og IP-klasse gennemg\u00e5r vi i guiden om panel-PC.<\/p>\n<h2>Kommunikation med PLC&#x27;en<\/h2>\n<p>Panelet kommunikerer med PLC&#8217;en via en driver til PLC&#8217;ens protokol. Det er det f\u00f8rste, du skal kontrollere: findes der en driver til netop din PLC-familie, og via hvilket interface?<\/p>\n<div class=\"g-tbl\">\n<table>\n<thead>\n<tr>\n<th>PLC eller protokol<\/th>\n<th>Typisk tilslutning<\/th>\n<th>V\u00e6r opm\u00e6rksom p\u00e5<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"n\">Siemens S7-1200 og S7-1500<\/td>\n<td>Ethernet<\/td>\n<td>Kan panelet h\u00e5ndtere optimerede datablokke, eller skal PUT\/GET tillades i PLC&#8217;en?<\/td>\n<\/tr>\n<tr>\n<td class=\"n\">Siemens S7-300 og S7-400<\/td>\n<td>MPI, PROFIBUS eller Ethernet<\/td>\n<td>\u00c6ldre anl\u00e6g har ofte kun MPI<\/td>\n<\/tr>\n<tr>\n<td class=\"n\">Rockwell (Allen-Bradley)<\/td>\n<td>EtherNet\/IP<\/td>\n<td>Tags kan ofte l\u00e6ses med navn direkte fra PLC-projektet<\/td>\n<\/tr>\n<tr>\n<td class=\"n\">Omron<\/td>\n<td>EtherNet\/IP eller FINS<\/td>\n<td>V\u00e6lg driver efter PLC-serie<\/td>\n<\/tr>\n<tr>\n<td class=\"n\">Modbus RTU og Modbus TCP<\/td>\n<td>RS-485 eller Ethernet<\/td>\n<td>Virker med n\u00e6sten alt, men kr\u00e6ver en registerliste<\/td>\n<\/tr>\n<tr>\n<td class=\"n\">OPC UA<\/td>\n<td>Ethernet<\/td>\n<td>Leverand\u00f8ruafh\u00e6ngigt med indbygget sikkerhed, udbredt mod SCADA og MES<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>Mange paneler kan kommunikere med flere PLC&#8217;er p\u00e5 samme tid og fungere som en enkel gateway mellem protokollerne. Du kan l\u00e6se mere om protokollerne i vores guide om industrielle protokoller.<\/p>\n<h2>Software, alarmer, recepter og logning<\/h2>\n<p>Hver producent har sit eget konfigurationsprogram, for eksempel EasyBuilder Pro til Weintek og Movicon til Yaskawas paneler. Sammenlign licensmodellen: udviklingsv\u00e6rkt\u00f8jet er ofte gratis til HMI-paneler, mens SCADA-software som regel har en runtime-licens, der afh\u00e6nger af antallet af tags. Kontroll\u00e9r ogs\u00e5, at projektet kan simuleres p\u00e5 en PC, og at brugerfladen kan vises p\u00e5 flere sprog.<\/p>\n<ul>\n<li><b>Alarmer<\/b> \u2013 prioriteter, kvittering og alarmhistorik. IEC 62682, som bygger p\u00e5 ISA-18.2, beskriver, hvordan alarmh\u00e5ndteringen planl\u00e6gges, s\u00e5 operat\u00f8ren ikke drukner i alarmer.<\/li>\n<li><b>Recepter<\/b> \u2013 parametre til forskellige produkter gemmes i panelet og sendes til PLC&#8217;en ved produktskift.<\/li>\n<li><b>Logning og trends<\/b> \u2013 m\u00e5lev\u00e6rdier gemmes p\u00e5 SD-kort, USB-n\u00f8gle eller i en database. I medicinalindustrien kr\u00e6ver FDA 21 CFR Part 11 adgangskontrol og \u00e6ndringslog (audit trail).<\/li>\n<li><b>Procesbilleder<\/b> \u2013 ISA-101 giver retningslinjer for tydelige billeder: neutrale farver som grundlag og st\u00e6rke farver kun til afvigelser.<\/li>\n<\/ul>\n<h2>Fjernadgang og sikkerhed<\/h2>\n<p>Med fjernadgang kan maskinbyggeren fejlfinde og opdatere programmet uden at rejse ud til kunden. Nogle paneler har en indbygget tjeneste til fjernadgang, andre tilsluttes via en VPN-router. Grundreglerne er de samme:<\/p>\n<ul>\n<li>\u00c5bn aldrig en port i firewallen direkte mod panelet. Brug en krypteret VPN-tunnel.<\/li>\n<li>Brug personlige konti og tofaktorgodkendelse, og skift alle standardadgangskoder.<\/li>\n<li>Hold maskinnettet adskilt fra kontornettet.<\/li>\n<li>Lad kunden bestemme, hvorn\u00e5r fjernadgangen er aktiv, og log, hvem der har v\u00e6ret koblet p\u00e5.<\/li>\n<\/ul>\n<p>Kravene i IEC 62443 og NIS2 beskriver vi i en s\u00e6rskilt guide om cybersikkerhed i industrielle netv\u00e6rk.<\/p>\n<h2>Montering og mobile displays<\/h2>\n<p>Et HMI-panel monteres normalt i en udsk\u00e6ring i tavlel\u00e5gen med IP65 eller IP66 p\u00e5 fronten. Hvor operat\u00f8ren skal kunne bev\u00e6ge sig rundt om maskinen, bruges h\u00e5ndholdte paneler med n\u00f8dstop og en aktiveringsanordning med tre positioner, tilsluttet via en forbindelsesboks.<\/p>\n<p>I kraner, skovmaskiner, minemaskiner og trucks bruges robuste displays med CAN og protokoller som SAE J1939 eller CANopen, forsyning med 12 eller 24 V og E-m\u00e6rkning. Sk\u00e6rmen skal kunne ses i sollys og d\u00e6mpes om natten. Fysiske knapper er en fordel, n\u00e5r f\u00f8reren har handsker p\u00e5, eller maskinen ryster.<\/p>\n<h2>Fem almindelige fejl<\/h2>\n<ol class=\"g-pit\">\n<li><b>N\u00f8dstop p\u00e5 touchsk\u00e6rmen.<\/b> Sikkerhedsfunktioner skal v\u00e6re h\u00e5rdt koblet i sikkerhedskredsen, aldrig en knap i HMI-programmet.<\/li>\n<li><b>Driveren kontrolleres for sent.<\/b> Et panel uden driver til din PLC bliver en dyr overraskelse ved idrifts\u00e6ttelsen.<\/li>\n<li><b>For mange alarmer.<\/b> N\u00e5r alt giver alarm, holder operat\u00f8ren op med at l\u00e6se. Fjern alarmer, der ikke kr\u00e6ver en handling.<\/li>\n<li><b>\u00c5ben port mod internettet.<\/b> Portviderestilling direkte til panelet er en almindelig vej ind for angribere.<\/li>\n<li><b>Projektfilen mangler.<\/b> Uden kildefil og adgangskode kan panelet hverken \u00e6ndres eller udskiftes. Gem projektet i versionsstyring.<\/li>\n<\/ol>\n<h2>Operat\u00f8rpaneler hos SCN<\/h2>\n<p>Vi har operat\u00f8rpaneler fra Yaskawa og Weintek \u2013 fra paneler p\u00e5 4,3 tommer til 21,5 tommer i Full HD, h\u00e5ndholdte HMI&#8217;er og HMI-servere uden sk\u00e6rm til DIN-skinne. Til k\u00f8ret\u00f8jer og mobile maskiner har vi robuste displays og panel-PC&#8217;er fra blandt andre Winmate.<\/p>\n<h3>Eksempler fra vores sortiment<\/h3>\n<div class=\"g-prod\"><a class=\"g-pc\" href=\"https:\/\/scn.eu\/da\/vare\/ha1-71a41-0-da\/\"><img loading=\"lazy\" src=\"https:\/\/scn.eu\/wp-content\/uploads\/2025\/01\/HA1-71A41-0.jpg\" alt=\"Yaskawa TP310-SM operat\u00f8rpanel\" width=\"800\" height=\"800\" loading=\"lazy\" decoding=\"async\"><span class=\"g-pb\">Yaskawa<\/span><span class=\"g-pn\">TP310-SM operat\u00f8rpanel<\/span><span class=\"g-pw\">Operat\u00f8rpanel p\u00e5 10,1 tommer med IP66-front, Movicon CE og b\u00e5de RS-232\/422\/485 og Ethernet til tilslutning til PLC.<\/span><\/a><a class=\"g-pc\" href=\"https:\/\/scn.eu\/da\/vare\/cmt3072xp-da\/\"><img loading=\"lazy\" src=\"https:\/\/scn.eu\/wp-content\/uploads\/2026\/10\/weintek-cmt3072xp-main.webp\" alt=\"Weintek cMT3072XP HMI med 7-tommers kapacitiv sk\u00e6rm\" width=\"800\" height=\"800\" loading=\"lazy\" decoding=\"async\"><span class=\"g-pb\">Weintek<\/span><span class=\"g-pn\">cMT3072XP HMI med 7-tommers kapacitiv sk\u00e6rm<\/span><span class=\"g-pw\">HMI p\u00e5 7 tommer med kapacitiv touchsk\u00e6rm bag h\u00e6rdet glas, IP66-front og CAN med CANopen og SAE J1939.<\/span><\/a><a class=\"g-pc\" href=\"https:\/\/scn.eu\/da\/vare\/fm10-da\/\"><img loading=\"lazy\" src=\"https:\/\/scn.eu\/wp-content\/uploads\/2025\/01\/FM10.jpg\" alt=\"Winmate FM10 \u2013 10&quot; PPC med fuld IP65-klassificering\" width=\"800\" height=\"800\" loading=\"lazy\" decoding=\"async\"><span class=\"g-pb\">Winmate<\/span><span class=\"g-pn\">FM10 \u2013 10&quot; PPC med fuld IP65-klassificering<\/span><span class=\"g-pw\">Robust k\u00f8ret\u00f8jscomputer p\u00e5 10 tommer med IP65, CAN og \u221230 til 60 \u00b0C, til trucks, lagre og skovmaskiner.<\/span><\/a><\/div>\n<div class=\"g-links\"><a href=\"https:\/\/scn.eu\/da\/vare-kategori\/produkter\/control-systems-da\/hmi-da\/\">HMI og operat\u00f8rpaneler<\/a><a href=\"https:\/\/scn.eu\/da\/vare-kategori\/produkter\/control-systems-da\/hmi-da\/hmi-panels-da\/\">HMI-paneler<\/a><a href=\"https:\/\/scn.eu\/da\/vare-kategori\/produkter\/control-systems-da\/plc-systems-da\/\">PLC-systemer<\/a><a href=\"https:\/\/scn.eu\/da\/vare-kategori\/produkter\/industrial-computers-da\/panel-pc-da\/\">Panel-PC<\/a><a href=\"https:\/\/scn.eu\/da\/vare-kategori\/produkter\/industrial-computers-da\/panel-pc-da\/vehicle-panel-pc-da\/\">Panel-PC til k\u00f8ret\u00f8jer<\/a><a href=\"https:\/\/scn.eu\/da\/vare-kategori\/produkter\/network-products-2\/vpn-routers-da\/\">VPN-routere<\/a><\/div>\n<div class=\"g-cta\">\n<p>Vil du vide, hvilket panel der passer til din PLC og dit milj\u00f8? Sp\u00f8rg en af vores ingeni\u00f8rer \u2013 du f\u00e5r svar inden for 24 timer.<\/p>\n<p><a href=\"https:\/\/scn.eu\/da\/kontakt\/\">Sp\u00f8rg en ingeni\u00f8r<\/a><\/div>\n<h2>Ofte stillede sp\u00f8rgsm\u00e5l<\/h2>\n<details>\n<summary>Hvad betyder HMI?<\/summary>\n<p>Human Machine Interface, brugerfladen mellem menneske og maskine. Oftest en touchsk\u00e6rm, hvor operat\u00f8ren ser status, \u00e6ndrer indstillinger og kvitterer alarmer.<\/p>\n<\/details>\n<details>\n<summary>Hvad er forskellen p\u00e5 HMI og SCADA?<\/summary>\n<p>En HMI er oftest et lokalt panel ved en maskine. SCADA er et overordnet system, der indsamler data fra mange maskiner eller stationer, med alarmh\u00e5ndtering, historik og rapporter.<\/p>\n<\/details>\n<details>\n<summary>Virker et HMI-panel med en Siemens-PLC?<\/summary>\n<p>Ja, de fleste HMI-paneler har drivere til Siemens S7. Til S7-1200 og S7-1500 kan det v\u00e6re n\u00f8dvendigt at tillade PUT\/GET eller bruge ikke-optimerede datablokke, afh\u00e6ngigt af panelets driver.<\/p>\n<\/details>\n<details>\n<summary>Hvordan f\u00e5r man sikker fjernadgang til en HMI?<\/summary>\n<p>Brug en krypteret VPN-tunnel, personlige konti og tofaktorgodkendelse. \u00c5bn aldrig porte direkte mod panelet, og lad kunden bestemme, hvorn\u00e5r adgangen er aktiv.<\/p>\n<\/details>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Operat\u00f8rpanelet er det, operat\u00f8ren ser af maskinen. Her gennemg\u00e5r vi forskellen p\u00e5 HMI-panel og panel-PC, hvordan panelet kommunikerer med PLC&#8217;en, og hvad du skal v\u00e6re opm\u00e6rksom p\u00e5 med software, alarmer og fjernadgang.<\/p>\n","protected":false},"author":11,"featured_media":8235369,"template":"","meta":{"_yoast_wpseo_focuskw":"hmi panel","_yoast_wpseo_metadesc":"S\u00e5dan v\u00e6lger du HMI og operat\u00f8rpanel: HMI-panel eller panel-PC med SCADA, drivere til Siemens, Rockwell og Modbus, alarmer, recepter og sikker fjernadgang.","_kad_post_transparent":"","_kad_post_title":"hide","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"hide","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","_scn_guide_cats":[887,888],"_scn_guide_sectors":[1011],"_scn_guide_type":"tech","_scn_guide_order":45,"footnotes":""},"class_list":["post-8235420","scn_guide","type-scn_guide","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>HMI og operat\u00f8rpaneler \u2013 s\u00e5dan v\u00e6lger du det rigtige | SCN<\/title>\n<meta name=\"description\" content=\"S\u00e5dan v\u00e6lger du HMI og operat\u00f8rpanel: HMI-panel eller panel-PC med SCADA, drivere til Siemens, Rockwell og Modbus, alarmer, recepter og sikker fjernadgang.\" \/>\n<meta name=\"robots\" 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