{"id":2431,"date":"2024-03-19T15:16:34","date_gmt":"2024-03-19T13:16:34","guid":{"rendered":"https:\/\/energyintelligence.se\/shop\/?page_id=2431"},"modified":"2024-03-22T11:01:19","modified_gmt":"2024-03-22T09:01:19","slug":"konfigurera-modbus-rtu","status":"publish","type":"page","link":"https:\/\/energyintelligence.se\/shop\/konfigurera-modbus-rtu\/","title":{"rendered":"Konfigurera Modbus RTU"},"content":{"rendered":"\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">OBS: Denna guide g\u00e4ller endast f\u00f6r firmware versioner upp till 3.6.1. Har du en senare version b\u00f6r du ist\u00e4llet l\u00e4sa sidan: <a href=\"https:\/\/energyintelligence.se\/shop\/anvandarmanual\/anslutning-till-elmatare\/modbus-rtu\/\">Modbus RTU<\/a> i anv\u00e4ndarmanualen.<\/mark><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-pale-pink-color\"> <\/mark><\/strong><\/p>\n\n\n\n<p>Modbus \u00e4r ett protokoll som l\u00e4nge anv\u00e4nts f\u00f6r att avl\u00e4sa s.k. underm\u00e4tare. Modbus \u00e4r egentligen ett kommunikationsprotokoll som i princip g\u00e5r ut p\u00e5 att man fr\u00e5gar en enhet med ett visst nummer om ett v\u00e4rde p\u00e5 enheten p\u00e5 en viss adress.<\/p>\n\n\n\n<p>Vad ett specifikt v\u00e4rde betyder p\u00e5 en s\u00e4rskild adress \u00e4r upp till implementat\u00f6ren att bed\u00f6ma. Pga detta s\u00e5 kan olika elm\u00e4tare ha olika v\u00e4rden p\u00e5 olika adresser, dvs standarden \u00e4r till viss del ad-hoc.<\/p>\n\n\n\n<p>V\u00e5ra elm\u00e4taravl\u00e4sare har st\u00f6d f\u00f6r f\u00f6ljande modeller av elm\u00e4tare:<\/p>\n\n\n\n<ul>\n<li>GARO &#8211; GNM1D<\/li>\n\n\n\n<li><a href=\"https:\/\/energyintelligence.se\/shop\/product\/elmatare-gnm3d-rs485\/\">GARO &#8211; GNM3D<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/energyintelligence.se\/shop\/product\/elmatare-3-fas-em340\/\">Carlo Gavazzi &#8211; EM340<\/a><\/li>\n\n\n\n<li>Eastron &#8211; SDM230<\/li>\n\n\n\n<li>Eastron &#8211; SDM630<\/li>\n<\/ul>\n\n\n\n<p>Via webbgr\u00e4nssnittet kan du ange vilka elm\u00e4tare som finns anslutna till enheten. Du kan l\u00e4gga till en elm\u00e4tare genom att klicka p\u00e5 kanppen &#8221;Add device&#8221;. N\u00e4r du lagt till en ny m\u00e4tarenhet s\u00e5 kan du \u00e4ndra inst\u00e4llningar f\u00f6r den. Det ser ut ungef\u00e4r som p\u00e5 bilden nedan:<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"918\" height=\"1024\" data-id=\"2435\" src=\"https:\/\/energyintelligence.se\/shop\/wp-content\/uploads\/2024\/03\/Screenshot-from-2024-03-19-13-00-21-918x1024.png\" alt=\"\" class=\"wp-image-2435\" srcset=\"https:\/\/energyintelligence.se\/shop\/wp-content\/uploads\/2024\/03\/Screenshot-from-2024-03-19-13-00-21-918x1024.png 918w, https:\/\/energyintelligence.se\/shop\/wp-content\/uploads\/2024\/03\/Screenshot-from-2024-03-19-13-00-21-269x300.png 269w, https:\/\/energyintelligence.se\/shop\/wp-content\/uploads\/2024\/03\/Screenshot-from-2024-03-19-13-00-21-768x856.png 768w, https:\/\/energyintelligence.se\/shop\/wp-content\/uploads\/2024\/03\/Screenshot-from-2024-03-19-13-00-21-416x464.png 416w, https:\/\/energyintelligence.se\/shop\/wp-content\/uploads\/2024\/03\/Screenshot-from-2024-03-19-13-00-21.png 1007w\" sizes=\"(max-width: 918px) 100vw, 918px\" \/><\/figure><\/div><\/figure>\n\n\n\n<p>F\u00f6ljande inst\u00e4llningar kan \u00e4ndras:<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Display name<\/h4>\n\n\n\n<p>Detta \u00e4r ett namn som du sj\u00e4lv kan v\u00e4lja f\u00f6r enheten. Namnet du anger kommer att utg\u00f6ra identifiera m\u00e4taren p\u00e5 mqtt kanalen. Exempelvis kommer total energif\u00f6rrukning att publiceras p\u00e5 en kanal som ser ut som f\u00f6ljande:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;elm\u00e4taravl\u00e4sarens id&gt;\/&lt;m\u00e4tarens namn&gt;\/Energy\/Active\/Positive<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">Address<\/h4>\n\n\n\n<p>Detta \u00e4r modbus adressen som anv\u00e4nds f\u00f6r att adressera denna specifika m\u00e4tare p\u00e5 en slinga d\u00e4r fler \u00e4n en elm\u00e4tare kan vara inkopplade. Adressen du st\u00e4ller in h\u00e4r ska matcha adressen som \u00e4r inst\u00e4lld p\u00e5 elm\u00e4taren du l\u00e4gger till. Varje elm\u00e4tare m\u00e5ste ha en unik adress.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Device Model<\/h4>\n\n\n\n<p>H\u00e4r st\u00e4ller du in vilken modell av elm\u00e4tare det handlar om. Eftersom att olika elm\u00e4tare lagrar m\u00e4tv\u00e4rden p\u00e5 lite olika s\u00e4tt beh\u00f6ver elm\u00e4taravl\u00e4saren veta vad f\u00f6r typ av elm\u00e4tare som \u00e4r ansluten. <\/p>\n\n\n\n<p>Har du anslutit en Carlo Gavazzi EM340 s\u00e5 finns det inget eget alternativ f\u00f6r denna. Ist\u00e4llet v\u00e4ljer du alternativet &#8221;GNM3D&#8221; d\u00e5 dessa m\u00e4tare har identiska modbus register.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Poll Interval<\/h4>\n\n\n\n<p>H\u00e4r anger du hur ofta du vill att m\u00e4tv\u00e4rden ska h\u00e4mtas fr\u00e5n elm\u00e4taren. Det \u00e4r viktigt att notera att det kan ta ett par sekunder att f\u00e5 m\u00e4tv\u00e4rdena fr\u00e5n en elm\u00e4tare s\u00e5 om du har koppat in flera elm\u00e4tare kan det vara bra att inte l\u00e4sa av dem f\u00f6r ofta. Annars kan elm\u00e4taravl\u00e4saren bli v\u00e4ldigt upptagen och upplevas som oresponsiv och l\u00e5ngsam.<\/p>\n\n\n\n<p>I vissa fall kan man beh\u00f6va ha flera elm\u00e4tare inkopplade och bara kunna l\u00e4sa n\u00e5gra enstaka v\u00e4rden fr\u00e5n varje. D\u00e5 kan det vara f\u00f6rdelaktigt att uppdatera sin firmware till version <a href=\"https:\/\/energyintelligence.se\/shop\/firmware\/version-4-0\/\">4.0.0<\/a> (eller senare) som \u00e4r b\u00e4ttre optimerad f\u00f6r s\u00e5dana scenarion.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Anslutning till elm\u00e4taren<\/h2>\n\n\n\n<p>Elm\u00e4taravl\u00e4saren har en  RS485 port i form av en kopplingsplint. Denna \u00e4r markerad med 5V, GND, A+ och B-. <\/p>\n\n\n\n<p>5V och GND \u00e4r till f\u00f6r str\u00f6mf\u00f6rs\u00f6jning och kan kopplas till ett n\u00e4taggregat. Det b\u00f6r ocks\u00e5 finnas en koppling mellan jordanslutningen (GND skruven) p\u00e5 elm\u00e4taravl\u00e4saren och elm\u00e4taren.<\/p>\n\n\n\n<p>A+ och B- ska kopplas till motsvarande kopplingpunkter p\u00e5 elm\u00e4taren. Notera att det \u00e4r &#8221;+&#8221; och &#8221;-&#8221; som ska matcha och inte n\u00f6dv\u00e4ndigtvis &#8221;A&#8221; och &#8221;B&#8221;. Vissa elm\u00e4tare kan vara markerade med A- och B+ och d\u00e5 ska A+ kopplas till B+.<\/p>\n\n\n\n<p>F\u00f6r optimal signalintegritet ska elm\u00e4taravl\u00e4saren kopplas till elm\u00e4taren med en TP kabel d\u00e4r A+ och B- best\u00e5r av ett kabelpar.<\/p>\n\n\n\n<p>Flera elm\u00e4tare kan kopplas i serie med samma elm\u00e4taravl\u00e4sare.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"588\" height=\"396\" src=\"https:\/\/energyintelligence.se\/shop\/wp-content\/uploads\/2022\/09\/Modbus-circuit.png\" alt=\"\" class=\"wp-image-2237\" srcset=\"https:\/\/energyintelligence.se\/shop\/wp-content\/uploads\/2022\/09\/Modbus-circuit.png 588w, https:\/\/energyintelligence.se\/shop\/wp-content\/uploads\/2022\/09\/Modbus-circuit-300x202.png 300w, https:\/\/energyintelligence.se\/shop\/wp-content\/uploads\/2022\/09\/Modbus-circuit-416x280.png 416w\" sizes=\"(max-width: 588px) 100vw, 588px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Str\u00f6mf\u00f6rs\u00f6rjning<\/h2>\n\n\n\n<p>Enheten kan str\u00f6mf\u00f6rs\u00f6rjas via <a href=\"https:\/\/energyintelligence.se\/shop\/product\/usb-302s\">USB<\/a>, <a href=\"https:\/\/energyintelligence.se\/shop\/product\/poe-injektor\">POE (power over ethernet)<\/a> eller ett <a href=\"https:\/\/energyintelligence.se\/shop\/product\/stromforsorjning-5-v-din-monterbar\">DIN monterat 5V n\u00e4taggregat<\/a>. <\/p>\n\n\n\n<p>T\u00e4nk p\u00e5 att elm\u00e4taren och elm\u00e4taravl\u00e4saren m\u00e5ste ha en gemensam jordniv\u00e5 f\u00f6r att kommunikationen ska fungera. Oavsett hur man str\u00f6mf\u00f6rs\u00f6rjer enheten s\u00e5 kan man \u00e5stadkomma detta genom att dra en kabel mellan GND skruven p\u00e5 enhetens kopplingplint till motsvarande jordanslutning p\u00e5 elm\u00e4taren.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>OBS: Denna guide g\u00e4ller endast f\u00f6r firmware versioner upp till 3.6.1. Har du en senare version b\u00f6r du ist\u00e4llet l\u00e4sa sidan: Modbus RTU i anv\u00e4ndarmanualen. Modbus \u00e4r ett protokoll som l\u00e4nge anv\u00e4nts f\u00f6r att avl\u00e4sa s.k. underm\u00e4tare. Modbus \u00e4r egentligen ett kommunikationsprotokoll som i princip g\u00e5r ut p\u00e5 att man fr\u00e5gar en enhet med ett [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Konfigurera elm\u00e4taravl\u00e4sning med Modbus RTU - Energy Intelligence<\/title>\n<meta name=\"description\" content=\"Hur man konfigurerar sin elm\u00e4taravl\u00e4sare att l\u00e4sa av elm\u00e4tare via Modbus RTU med hj\u00e4lp av elm\u00e4taravl\u00e4sarens webbgr\u00e4nssnitt.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/energyintelligence.se\/shop\/konfigurera-modbus-rtu\/\" \/>\n<meta property=\"og:locale\" content=\"sv_SE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Konfigurera elm\u00e4taravl\u00e4sning med Modbus RTU - 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