{"id":15942,"date":"2016-01-25T13:16:03","date_gmt":"2016-01-25T12:16:03","guid":{"rendered":"http:\/\/en.sma-sunny.com\/?p=15942"},"modified":"2017-12-13T16:12:43","modified_gmt":"2017-12-13T15:12:43","slug":"how-to-test-the-connection-to-your-sma-inverter","status":"publish","type":"post","link":"https:\/\/www.sma-sunny.com\/en\/how-to-test-the-connection-to-your-sma-inverter\/","title":{"rendered":"How to Test the Connection to Your SMA Inverter"},"content":{"rendered":"<p><strong>You have created your own application for querying SMA inverters via SMA Modbus or SunSpec Modbus. Unfortunately, something does not seem to be working properly and the inverter is not responding as expected.<\/strong><!--more--><\/p>\n<p>A Modbus simulator enables you to test the connection to your SMA inverter. Using this tool, you can query the value of a register from your SMA inverter\u2014and if you receive a response, this means that you can rule out the IT environment, for example, as a potential source of the problem.<\/p>\n<p>&nbsp;<\/p>\n<p>You can obtain the freeware from the following website:<\/p>\n<p><strong><a href=\"http:\/\/en.radzio.dxp.pl\/modbus-master-simulator\/\" target=\"_blank\">Modbus Master Simulator<\/a><\/strong><\/p>\n<p><em>Important: The simulator is not SMA software and we cannot perform any service activities for it.<\/em><\/p>\n<p>&nbsp;<\/p>\n<h5>SMA requirements:<\/h5>\n<ul>\n<li>Inverter with Speedwire (Ethernet) interface<\/li>\n<li>Inverter with Modbus interface<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Quick Reference Guide:<\/h3>\n<h5>1. Set the network address<\/h5>\n<p>First, you have to find your inverter\u2019s network IP address. This is the same address where you access the inverter in a web browser or in Sunny Explorer.<\/p>\n<p><a href=\"\/wp-content\/uploads\/2016\/01\/1_a.jpg\" rel=\"attachment wp-att-15943\"><img decoding=\"async\" class=\"aligncenter size-large wp-image-15943 lazyload\" data-src=\"\/wp-content\/uploads\/2016\/01\/1_a-1024x514.jpg\" alt=\"1_a\" width=\"620\" height=\"311\" data-srcset=\"https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2016\/01\/1_a-1024x514.jpg 1024w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2016\/01\/1_a-262x131.jpg 262w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2016\/01\/1_a-768x385.jpg 768w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2016\/01\/1_a-705x354.jpg 705w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2016\/01\/1_a-450x226.jpg 450w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2016\/01\/1_a.jpg 1142w\" data-sizes=\"(max-width: 620px) 100vw, 620px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 620px; --smush-placeholder-aspect-ratio: 620\/311;\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>Open the tool and choose Connection\/Settings or click the icon in the toolbar.<\/p>\n<p><a href=\"\/wp-content\/uploads\/2016\/01\/2-1.jpg\" rel=\"attachment wp-att-15944\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-15944 lazyload\" data-src=\"\/wp-content\/uploads\/2016\/01\/2-1.jpg\" alt=\"2\" width=\"353\" height=\"204\" data-srcset=\"https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2016\/01\/2-1.jpg 353w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2016\/01\/2-1-262x151.jpg 262w\" data-sizes=\"(max-width: 353px) 100vw, 353px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 353px; --smush-placeholder-aspect-ratio: 353\/204;\" \/><\/a><\/p>\n<p>Enter the IP address of the inverter that you want to query.<\/p>\n<p><a href=\"\/wp-content\/uploads\/2016\/01\/3-1.jpg\" rel=\"attachment wp-att-15945\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-15945 lazyload\" data-src=\"\/wp-content\/uploads\/2016\/01\/3-1.jpg\" alt=\"3\" width=\"258\" height=\"472\" data-srcset=\"https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2016\/01\/3-1.jpg 258w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2016\/01\/3-1-219x400.jpg 219w\" data-sizes=\"(max-width: 258px) 100vw, 258px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 258px; --smush-placeholder-aspect-ratio: 258\/472;\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<h5><strong>2. Connect to the inverter<\/strong><\/h5>\n<p>Once you have entered the IP address, connect to the inverter by clicking \u201cConnect.\u201d<\/p>\n<p><a href=\"\/wp-content\/uploads\/2016\/01\/4-1.jpg\" rel=\"attachment wp-att-15946\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-15946 lazyload\" data-src=\"\/wp-content\/uploads\/2016\/01\/4-1.jpg\" alt=\"4\" width=\"317\" height=\"129\" data-srcset=\"https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2016\/01\/4-1.jpg 317w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2016\/01\/4-1-262x107.jpg 262w\" data-sizes=\"(max-width: 317px) 100vw, 317px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 317px; --smush-placeholder-aspect-ratio: 317\/129;\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<h5><strong>3. Create a new file<\/strong><\/h5>\n<p>Once the connection is active, create a new query window.<\/p>\n<p><a href=\"\/wp-content\/uploads\/2016\/01\/5-1.jpg\" rel=\"attachment wp-att-15947\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-15947 lazyload\" data-src=\"\/wp-content\/uploads\/2016\/01\/5-1.jpg\" alt=\"5\" width=\"313\" height=\"117\" data-srcset=\"https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2016\/01\/5-1.jpg 313w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2016\/01\/5-1-262x98.jpg 262w\" data-sizes=\"(max-width: 313px) 100vw, 313px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 313px; --smush-placeholder-aspect-ratio: 313\/117;\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<h5><strong>4. Enter the parameters<\/strong><\/h5>\n<p>Now enter the following parameters:<\/p>\n<ol>\n<li>\u201cDevice ID\u201d: 3 (for querying via \u2026 3 &#8211; SMA Modbus, 126- SunSpec Modbus)<\/li>\n<li>\u201cAddress\u201d (register to be queried; here 30051)<\/li>\n<li>Select \u201cHolding registers\u201d (read and write)<\/li>\n<\/ol>\n<p><a href=\"\/wp-content\/uploads\/2016\/01\/6-1.jpg\" rel=\"attachment wp-att-15948\"><img decoding=\"async\" class=\"aligncenter wp-image-15948 size-full lazyload\" data-src=\"\/wp-content\/uploads\/2016\/01\/6-1.jpg\" alt=\"\" width=\"302\" height=\"188\" data-srcset=\"https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2016\/01\/6-1.jpg 302w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2016\/01\/6-1-262x163.jpg 262w\" data-sizes=\"(max-width: 302px) 100vw, 302px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 302px; --smush-placeholder-aspect-ratio: 302\/188;\" \/><\/a><\/p>\n<div id=\"attachment_15949\" style=\"width: 630px\" class=\"wp-caption aligncenter\"><a href=\"\/wp-content\/uploads\/2016\/01\/7-2.jpg\" rel=\"attachment wp-att-15949\"><img decoding=\"async\" aria-describedby=\"caption-attachment-15949\" class=\"wp-image-15949 size-large lazyload\" title=\"Simulator with SMA documentation\" data-src=\"\/wp-content\/uploads\/2016\/01\/7-2-1024x578.jpg\" alt=\"Simulator with SMA documentation\" width=\"620\" height=\"350\" data-srcset=\"https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2016\/01\/7-2-1024x578.jpg 1024w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2016\/01\/7-2-262x148.jpg 262w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2016\/01\/7-2-768x434.jpg 768w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2016\/01\/7-2-705x398.jpg 705w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2016\/01\/7-2-450x254.jpg 450w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2016\/01\/7-2.jpg 1394w\" data-sizes=\"(max-width: 620px) 100vw, 620px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 620px; --smush-placeholder-aspect-ratio: 620\/350;\" \/><\/a><p id=\"caption-attachment-15949\" class=\"wp-caption-text\">Simulator with SMA documentation<\/p><\/div>\n<p>&nbsp;<\/p>\n<p>Once you have queried the value of the register, you will receive a response like the one shown above in the sample screenshot.<\/p>\n<p>Register: 30051 (query of device class)<\/p>\n<p>Response: 8001 (output value = Solar inverters)<\/p>\n<p>&nbsp;<\/p>\n<p>I hope that this quick reference guide is helpful for you.<\/p>\n<p>&nbsp;<\/p>\n\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-left kksr-valign-bottom\"\n    data-payload='{&quot;align&quot;:&quot;left&quot;,&quot;id&quot;:&quot;15942&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;bottom&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;2&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;5&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;1&quot;,&quot;greet&quot;:&quot;&quot;,&quot;legend&quot;:&quot;5\\\/5 - (2 votes)&quot;,&quot;size&quot;:&quot;22&quot;,&quot;title&quot;:&quot;How to Test the Connection to Your SMA Inverter&quot;,&quot;width&quot;:&quot;114.5&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} - ({count} {votes})&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-right: 1px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 22px; height: 22px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\" style=\"padding-right: 1px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 22px; height: 22px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\" style=\"padding-right: 1px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 22px; height: 22px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\" style=\"padding-right: 1px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 22px; height: 22px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-right: 1px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 22px; height: 22px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 114.5px;\">\n            <div class=\"kksr-star\" style=\"padding-right: 1px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 22px; height: 22px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 1px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 22px; height: 22px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 1px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 22px; height: 22px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 1px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 22px; height: 22px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 1px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 22px; height: 22px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 17.6px;\">\n            5\/5 - (2 votes)    <\/div>\n    <\/div>\n<div class='printomatic pom-default ' id='id9393'  data-print_target='article'><\/div>","protected":false},"excerpt":{"rendered":"<p>You have created your own application for querying SMA inverters via SMA Modbus or SunSpec Modbus. Unfortunately, something does not&#8230;<\/p>\n","protected":false},"author":20,"featured_media":15950,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[58],"tags":[],"class_list":["post-15942","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-solutions"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to Test the Connection to Your SMA Inverter - Sunny. 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