{"id":149,"date":"2012-01-12T02:32:56","date_gmt":"2012-01-12T09:32:56","guid":{"rendered":"\/blog\/?p=149"},"modified":"2016-11-08T04:36:04","modified_gmt":"2016-11-08T04:36:04","slug":"termination-resistors-420-ma-industrial-instrumentation","status":"publish","type":"post","link":"https:\/\/riedon.com\/blog\/termination-resistors-420-ma-industrial-instrumentation\/","title":{"rendered":"Termination Resistors For 4-20 mA Industrial Instrumentation"},"content":{"rendered":"<p><img decoding=\"async\" class=\"alignright size-full wp-image-162\" src=\"\/blog\/wp-content\/uploads\/2010\/08\/SAA1.tif\" alt=\"resistor\" \/><\/p>\n<p>Modern industrial automation applications demand high performance instrumentation.\u00a0 A well-established technique is to use 4-to-20 mA current-mode transmission (rather than voltage signal) between process sensors and data-processing system elements.\u00a0 This method is less susceptible to the electrical noise problems common in industrial automation and control system applications.<a href=\"\/blog\/wp-content\/uploads\/2010\/08\/SAA.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-168\" src=\"\/blog\/wp-content\/uploads\/2010\/08\/SAA-225x300.jpg\" alt=\"\" width=\"82\" height=\"110\" srcset=\"https:\/\/riedon.com\/blog\/wp-content\/uploads\/2010\/08\/SAA-225x300.jpg 225w, https:\/\/riedon.com\/blog\/wp-content\/uploads\/2010\/08\/SAA-768x1024.jpg 768w, https:\/\/riedon.com\/blog\/wp-content\/uploads\/2010\/08\/SAA.jpg 900w\" sizes=\"(max-width: 82px) 100vw, 82px\" \/><\/a><\/p>\n<p>However, modern data-processing components are typically designed for voltage inputs, especially those based on digital technology.\u00a0 The 4-20 mA signals from remote sensors must be converted to voltage level signals, typically 0 to 5 volts, for compatibility with these components.<\/p>\n<p>This conversion is relatively simple requiring only a resistor (Figure 1).\u00a0 Obviously, the accuracy of the current-to-voltage conversion depends upon the precision of the resistor.\u00a0 Riedon precision resistors are ideal for this application:<\/p>\n<p><a href=\"http:\/\/www.riedon.com\/us\/technical-information\/application-notes\/test.html\" target=\"_blank\">Continue here<\/a><a href=\"\/blog\/wp-content\/uploads\/2010\/08\/SAA.tif\"><img decoding=\"async\" class=\"alignnone size-full wp-image-155\" src=\"\/blog\/wp-content\/uploads\/2010\/08\/SAA.tif\" alt=\"\" \/><\/a><a href=\"\/blog\/wp-content\/uploads\/2010\/08\/SM-7.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-169\" src=\"\/blog\/wp-content\/uploads\/2010\/08\/SM-7-300x72.jpg\" alt=\"\" width=\"217\" height=\"52\" srcset=\"https:\/\/riedon.com\/blog\/wp-content\/uploads\/2010\/08\/SM-7-300x72.jpg 300w, https:\/\/riedon.com\/blog\/wp-content\/uploads\/2010\/08\/SM-7-1024x247.jpg 1024w, https:\/\/riedon.com\/blog\/wp-content\/uploads\/2010\/08\/SM-7.jpg 1200w\" sizes=\"(max-width: 217px) 100vw, 217px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Modern industrial automation applications demand high performance instrumentation.\u00a0 A well-established technique is to use 4-to-20 mA current-mode transmission (rather than voltage signal) between process sensors and data-processing system elements.\u00a0 This method is less susceptible to the electrical noise problems common in industrial automation and control system applications. However, modern data-processing components are typically designed for [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[3],"tags":[10,81,395,132],"class_list":["post-149","post","type-post","status-publish","format-standard","hentry","category-resistors","tag-current-sense-resistors","tag-precision-resistors","tag-resistors","tag-termination-resistors"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Termination Resistors For 4-20 mA Industrial Instrumentation - Riedon Company Blog<\/title>\n<meta name=\"description\" content=\"Modern industrial automation applications demand high performance instrumentation.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/riedon.com\/blog\/termination-resistors-420-ma-industrial-instrumentation\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Termination Resistors For 4-20 mA Industrial Instrumentation - 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