{"id":1131,"date":"2013-06-28T09:00:13","date_gmt":"2013-06-28T09:00:13","guid":{"rendered":"http:\/\/blog.uk.tdk-lambda.com\/uk\/?p=1131"},"modified":"2015-06-30T14:18:58","modified_gmt":"2015-06-30T14:18:58","slug":"remote-sense-%e2%80%93-common-mistakes-remedies-part-4","status":"publish","type":"post","link":"https:\/\/blog.uk.tdk-lambda.com\/uk\/2013\/06\/28\/remote-sense-%e2%80%93-common-mistakes-remedies-part-4\/","title":{"rendered":"Remote Sense \u2013 Common Mistakes &amp; Remedies [part 4]"},"content":{"rendered":"<p><strong>Ways to avoid cross-connection of remote sense wires<\/strong><\/p>\n<p>It is important to ensure the correct polarities of the power supply are use in the remote sense circuit; the +ve sense wire should connect at the load near the +ve Vload connection, and the \u2013ve sense wire to the -ve Vload connection. <\/p>\n<div id=\"attachment_1132\" style=\"width: 310px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/blog.uk.tdk-lambda.com\/uk\/files\/2013\/05\/Fig-2.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1132\" src=\"https:\/\/blog.uk.tdk-lambda.com\/uk\/files\/2013\/05\/Fig-2-300x110.png\" alt=\"Simplified schematic of remote sense circuit with external output and sense wires\" width=\"300\" height=\"110\" class=\"size-medium wp-image-1132\" srcset=\"https:\/\/tdklambdablog.wpenginepowered.com\/uk\/files\/2013\/05\/Fig-2-300x110.png 300w, https:\/\/tdklambdablog.wpenginepowered.com\/uk\/files\/2013\/05\/Fig-2.png 732w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-1132\" class=\"wp-caption-text\">Simplified schematic of remote sense circuit with external output and sense wires<\/p><\/div>\n<p>If the remote sense wires are crossed-connected (i.e. +ve sense to \u2013Vload and \u2013ve sense to +Vload), current will flow in the sense lines and ultimately this will burn out the internal R-sense resistors, causing the power supply to malfunction. <\/p>\n<p>Typically, these internal R-sense resistors are around 10 to 100 Ohms with a maximum rating of 0.5W.<\/p>\n<p>To read more about how to use the remote sense, please visit: <a title=\"www.emea.lambda.tdk.com\/uk\/faq\" href=\"https:\/\/www.emea.lambda.tdk.com\/uk\/public\/faq_section.aspx?cat=6\" target=\"_blank\">www.emea.lambda.tdk.com\/uk\/faq<\/a><\/p>\n<p>In the meantime, if you have a question you\u2019d like to ask TDK-Lambda, please feel free to use the <a title=\"TDK-Lambda online FAQ form\" href=\"https:\/\/www.emea.lambda.tdk.com\/uk\/faq\/ask.aspx\" target=\"_blank\">online FAQ form<\/a> and we&#8217;ll get back to you with an answer to your question as soon as possible.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ways to avoid cross-connection of remote sense wires It is important to ensure the correct polarities of the power supply are use in the remote sense circuit; the +ve sense wire should connect at the load near the +ve Vload connection, and the \u2013ve sense wire to the -ve Vload connection. If the remote sense [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1131","post","type-post","status-publish","format-standard","hentry","category-power-supply-basics"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Remote Sense \u2013 Common Mistakes &amp; Remedies [part 4] &#171; TDK-Lambda UK Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.uk.tdk-lambda.com\/uk\/2013\/06\/28\/remote-sense-\u2013-common-mistakes-remedies-part-4\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Remote Sense \u2013 Common Mistakes &amp; Remedies [part 4] &#171; TDK-Lambda UK Blog\" \/>\n<meta property=\"og:description\" content=\"Ways to avoid cross-connection of remote sense wires It is important to ensure the correct polarities of the power supply are use in the remote sense circuit; the +ve sense wire should connect at the load near the +ve Vload connection, and the \u2013ve sense wire to the -ve Vload connection. 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