{"id":822,"date":"2017-09-07T09:42:21","date_gmt":"2017-09-07T08:42:21","guid":{"rendered":"https:\/\/engineernewsnetwork.com\/blog\/?p=822"},"modified":"2017-09-13T14:41:00","modified_gmt":"2017-09-13T13:41:00","slug":"rs-485-transceivers-with-highest-reinforced-isolation","status":"publish","type":"post","link":"https:\/\/www.engineernewsnetwork.com\/blog\/rs-485-transceivers-with-highest-reinforced-isolation\/","title":{"rendered":"RS-485 transceivers with highest reinforced isolation"},"content":{"rendered":"<p><strong>Higher working voltage and reinforced isolation is required for today\u2019s most rigorous medical and high-speed motor control applications<\/strong><\/p>\n<p><a href=\"http:\/\/www.intersil.com\/\" target=\"_blank\" rel=\"noopener\" data-cke-saved-href=\"http:\/\/www.intersil.com\"><strong>Intersil<\/strong><\/a>\u00a0announces two new high-speed, isolated RS-485 differential bus transceivers that provide 40Mbps bidirectional data communication for Industrial Internet of Things (IIoT) networks.<\/p>\n<p>The ISL32741E offers 1,000VRMS working voltage and 6kV of reinforced isolation, more than 2x higher than competitive solutions.<br \/>\n<script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script><br \/>\n<!-- Engineer News Network --><br \/>\n<ins class=\"adsbygoogle\" style=\"display: block;\" data-ad-client=\"ca-pub-7565662001938327\" data-ad-slot=\"6176629146\" data-ad-format=\"auto\"><\/ins><br \/>\n<script>\n(adsbygoogle = window.adsbygoogle || []).push({});\n<\/script><br \/>\nThe higher working voltage and reinforced isolation is required for today\u2019s most rigorous medical and high-speed motor control applications.<\/p>\n<p>The ISL32740E with 2.5kV of isolation and 600VRMS working voltage comes in the industry\u2019s smallest package, enabling high channel density for programmable logic controllers (PLCs) in factory automation applications.<\/p>\n<p>The ISL3274xE transceivers provide additional advantages over other isolation technologies, including ultra-low radiated emission and EMI susceptibility, support for up to 160 devices on the bus, and an extended 125\u00b0C temperature range.<\/p>\n<p>These devices leverage giant magnetoresistance (GMR) technology that provides galvanic isolation to keep the communication bus free from common-mode noise generated in electrically noisy factory and building automation environments.<\/p>\n<p>In addition, Intersil\u2019s GMR isolation does not require the elaborate encoding schemes found in capacitive and transformer-based isolators that use RF carriers or pulse-width modulation (PWM) to transfer DC and low frequency signals across the barrier.<\/p>\n<p>The ISL3274xE transceivers are ideally suited for the equipment-to-bus interface in PROFIBUS DP and high-speed RS-485 networks that connect PLCs to instruments, robots, motor control drives, as well as data acquisition and digital I\/O modules.<\/p>\n<p>In addition to not requiring any shielding, these transceivers simplify PCB layout, use less board space, and enhance data transmission reliability and integrity. The ISL3274xE devices also offer low power consumption.<\/p>\n<p>For example, the ISL32740EIAZ\u2019s 60mA supply current allows it to operate in a tiny 4mm x 5mm QSOP package at maximum speed without overheating.<\/p>\n<p>On the non-isolated control-side, the ISL3274xE transceivers support direct connection to a 3V microcontroller (MCU) while the isolated bus-side connects to a higher voltage 5V supply for communication of strong bus signals across 100 meters and longer distances.<\/p>\n<p>The ISL3274xE transceivers are fully compliant with the EN 50081 and EN 50082-2 electromagnetic compatibility (EMC) standards and the umbrella line-voltage standard for information technology equipment (ITE) EN 61000.<br \/>\n<script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script><br \/>\n<!-- Engineer News Network --><br \/>\n<ins class=\"adsbygoogle\" style=\"display: block;\" data-ad-client=\"ca-pub-7565662001938327\" data-ad-slot=\"6176629146\" data-ad-format=\"auto\"><\/ins><br \/>\n<script>\n(adsbygoogle = window.adsbygoogle || []).push({});\n<\/script><br \/>\nKey Features and Specifications of ISL32741E and ISL32740E Family<\/p>\n<p>* \u00a040Mbps data rate enables high-speed data transmission<\/p>\n<p>* \u00a03V to 5V power supplies<br \/>\n* Offers 5ns pulse skew and 20ns propagation delay<\/p>\n<p>* The ISL32741E offers 6kVRMS isolation\/1,000VRMS working voltage, and 12.8kV surge immunity<\/p>\n<p>* The ISL32740E offers 2.5kVRMS isolation\/600VRMS working voltage<\/p>\n<p>* Single unit load allows up to 160 devices on the bus<\/p>\n<p>* 50kV\/\u00b5s (typ), 30kV\/\u00b5s (min) common-mode transient immunity provides reliable data transmission in noisy environments<\/p>\n<p>* Offers a barrier lifetime of 44,000 years<\/p>\n<p>* 15kV ESD bus-pin protection, and low EMC footprint<\/p>\n<p>* Thermal shutdown protection prevents damage during bus contention, or excessive current<\/p>\n<p>* PROFIBUS compliant.<\/p>\n<p>The ISL3274xE can be combined with the ISL28025 precision digital power monitor, ISL12022M low power real time clock, and Renesas MCUs to create a system solution.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Higher working voltage and reinforced isolation is required for today\u2019s most rigorous medical and high-speed motor control applications Intersil\u00a0announces two new high-speed, isolated RS-485 differential bus transceivers that provide 40Mbps bidirectional data communication for Industrial Internet of Things (IIoT) networks. The ISL32741E offers 1,000VRMS working voltage and 6kV of reinforced isolation, more than 2x higher &hellip;<\/p>\n","protected":false},"author":1,"featured_media":825,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[104],"tags":[90,65,92,91,89,88,87,86],"class_list":["post-822","post","type-post","status-publish","format-standard","has-post-thumbnail","","category-electronics","tag-data-communication","tag-electronics","tag-iiot","tag-industrial-internet-of-things","tag-intersil","tag-isl32740e","tag-isl32741e","tag-rs-485-transceivers"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>RS-485 transceivers with highest reinforced isolation - Engineer News Network<\/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:\/\/www.engineernewsnetwork.com\/blog\/rs-485-transceivers-with-highest-reinforced-isolation\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"RS-485 transceivers with highest reinforced isolation - Engineer News Network\" \/>\n<meta property=\"og:description\" content=\"Higher working voltage and reinforced isolation is required for today\u2019s most rigorous medical and high-speed motor control applications Intersil\u00a0announces two new high-speed, isolated RS-485 differential bus transceivers that provide 40Mbps bidirectional data communication for Industrial Internet of Things (IIoT) networks. 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