{"id":9375,"date":"2026-04-01T09:22:11","date_gmt":"2026-04-01T08:22:11","guid":{"rendered":"https:\/\/ojelectronics.com\/drives\/?p=9375"},"modified":"2026-09-01T07:38:54","modified_gmt":"2026-09-01T06:38:54","slug":"major-ventilation-drive-software-release","status":"publish","type":"post","link":"https:\/\/ojelectronics.com\/drives\/news-ventilation\/major-ventilation-drive-software-release\/","title":{"rendered":"Major Ventilation Drive Software Release"},"content":{"rendered":"<h4>New features make these dedicated ventilation drives more flexible, robust, and future-ready.<\/h4>\r\nOJ Electronics DV drives are built for ventilation applications where reliability, efficiency, and long service life are essential. Via a new software release (AOC 4.11 and MOC 4.13), we have further strengthened the platform with <strong>four new features<\/strong> that address real-world commissioning, efficiency, and protection\u00a0 challenges.\r\n\r\nThese features give you more flexibility, improved performance, and greater peace of mind \u2013 all from the same hardware. The update also includes a number of general improvements.<section id=\"builder-section-text_143\" class=\"builder-section-first builder-section builder-section-text builder-section-next-text builder-text-columns-3 layout-3-9 padding-below\" style=\"background-size: cover; background-repeat: no-repeat;background-position: center center;\">\n<div class=\"section-inner\">\n<div class=\"builder-section-content\">\n<div class=\"builder-text-row\">\n<div class=\"builder-text-column builder-text-column-1\" id=\"builder-section-text_143-column-1\">\n<div class=\"builder-text-content\" >\n<div class=\"content-inner\"><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div class=\"builder-text-column builder-text-column-2\" id=\"builder-section-text_143-column-2\">\n<div class=\"builder-text-content\" >\n<h2 class=\"builder-text-title \">Four Big Improvements!<\/h2>\n<div class=\"content-inner\">\n<h4><a class=\"ttfmake-button read-more\" href=\"https:\/\/ojelectronics.com\/drives\/news\/knowledge\/major-ventilation-drive-software-release\/#1\">1. AutoTune for faster commissioning<\/a><\/h4>\n<h4><a class=\"ttfmake-button read-more\" href=\"https:\/\/ojelectronics.com\/drives\/news\/knowledge\/major-ventilation-drive-software-release\/#2\">2. Improved efficiency with MTPA control<\/a><\/h4>\n<h4><a class=\"ttfmake-button read-more\" href=\"https:\/\/ojelectronics.com\/drives\/news\/knowledge\/major-ventilation-drive-software-release\/#3\">3. Support for low-speed applications<\/a><\/h4>\n<h4><a class=\"ttfmake-button read-more\" href=\"https:\/\/ojelectronics.com\/drives\/news\/knowledge\/major-ventilation-drive-software-release\/#4\">4. Faster field-weakening response<\/a><\/h4>\n<\/div><\/div>\n<\/p><\/div>\n<div class=\"builder-text-column builder-text-column-3\" id=\"builder-section-text_143-column-3\">\n<div class=\"builder-text-content\" >\n<div class=\"content-inner\"><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/section>\n<section id=\"1\" class=\"builder-section-prev-text builder-section builder-section-text builder-section-next-text builder-text-columns-2 layout-6 padding-below\" style=\"background-size: cover; background-repeat: no-repeat;background-position: center center;\">\n<div class=\"section-inner\">\n<div class=\"builder-section-content\">\n<div class=\"builder-text-row\">\n<div class=\"builder-text-column builder-text-column-1\" id=\"1-column-1\">\n<div class=\"builder-text-content\" >\n<h2 class=\"builder-text-title title-style-small\">1. AutoTune for Faster Commissioning<\/h2>\n<div class=\"content-inner\">\n<p>Commissioning a new motor usually takes time, testing, and specialist knowledge. Thanks to a new <strong>AutoTune<\/strong> function, updated DV drives accelerate the process.<\/p>\n<p>By connecting the DV PC Tool and entering basic motor nameplate data, you can now direct the drive to automatically identify the motor parameters required for high-performance field-oriented control of PMSM motors.<\/p>\n<p>The result is faster setup, less dependency on expertise, and more consistent motor behavior. Sinc inductance is measured at higher current levels, inductance saturation is also reduced, improving control accuracy across the operating range.<\/p>\n<\/div><\/div>\n<\/p><\/div>\n<div class=\"builder-text-column builder-text-column-2 bg-img special-bg bg-img-aspect\" id=\"1-column-2\">\n<div class=\"builder-text-content\" style=\" padding-bottom: 66.69921875%; background-size: contain;\" data-bg=\"url('https:\/\/ojelectronics.com\/drives\/wp-content\/uploads\/sites\/26\/2026\/05\/autotunes-1024x683.png')\">\n<div class=\"content-inner\"><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/section>\n<section id=\"2\" class=\"builder-section-prev-text builder-section builder-section-text builder-section-next-text builder-text-columns-2 layout-6 padding-below\" style=\"background-size: cover; background-repeat: no-repeat;background-position: center center;\">\n<div class=\"section-inner\">\n<div class=\"builder-section-content\">\n<div class=\"builder-text-row\">\n<div class=\"builder-text-column builder-text-column-1 bg-img special-bg bg-img-aspect\" id=\"2-column-1\">\n<div class=\"builder-text-content\" style=\" padding-bottom: 66.69921875%; background-size: contain;\" data-bg=\"url('https:\/\/ojelectronics.com\/drives\/wp-content\/uploads\/sites\/26\/2026\/05\/improved-efficiency-1024x683.png')\">\n<div class=\"content-inner\"><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div class=\"builder-text-column builder-text-column-2\" id=\"2-column-2\">\n<div class=\"builder-text-content\" >\n<h2 class=\"builder-text-title title-style-small\">2. Improved Efficiency with MTPA Control<\/h2>\n<div class=\"content-inner\">\n<p>Many modern motors generate torque not only from permanent magnets, but also from magnetic saliency. The new <strong>Maximum Torque Per Ampere (MTPA)<\/strong> control algorithm enables the DV drive to fully exploit this.<\/p>\n<p>By continuously selecting the optimal current vector, the drive delivers the required torque using less current. This means lower losses, reduced heat generation, and improved efficiency \u2013 typically translating into lower energy consumption and extended component lifetime, especially in systems with long operating hours.<\/p>\n<\/div><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/section>\n<section id=\"3\" class=\"builder-section-prev-text builder-section builder-section-text builder-section-next-text builder-text-columns-2 layout-6 padding-below\" style=\"background-size: cover; background-repeat: no-repeat;background-position: center center;\">\n<div class=\"section-inner\">\n<div class=\"builder-section-content\">\n<div class=\"builder-text-row\">\n<div class=\"builder-text-column builder-text-column-1\" id=\"3-column-1\">\n<div class=\"builder-text-content\" >\n<h2 class=\"builder-text-title title-style-small\">3. Support for Low-Speed Applications<\/h2>\n<div class=\"content-inner\">\n<p>While most ventilation systems operate at higher motor speeds, large fans in cooling towers and similar applications often run well below 350 rpm. This places different demands on the control algorithm.<\/p>\n<p>Our updated ventilation drives now include enhancements that ensure smooth torque delivery and stable speed control at very low speeds. Control limits have been adjusted from percentage-based values to absolute minimums, and gain calculations have been optimized accordingly \u2013 allowing the drive to support a wider range of applications without sacrificing stability or performance.<\/p>\n<\/div><\/div>\n<\/p><\/div>\n<div class=\"builder-text-column builder-text-column-2 bg-img special-bg bg-img-aspect\" id=\"3-column-2\">\n<div class=\"builder-text-content\" style=\" padding-bottom: 66.69921875%; background-size: contain;\" data-bg=\"url('https:\/\/ojelectronics.com\/drives\/wp-content\/uploads\/sites\/26\/2026\/05\/water-cooling-tower-new-1024x683.png')\">\n<div class=\"content-inner\"><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/section>\n<section id=\"4\" class=\"builder-section-prev-text builder-section builder-section-text builder-section-last builder-text-columns-2 layout-6 padding-below\" style=\"background-size: cover; background-repeat: no-repeat;background-position: center center;\">\n<div class=\"section-inner\">\n<div class=\"builder-section-content\">\n<div class=\"builder-text-row\">\n<div class=\"builder-text-column builder-text-column-1\" id=\"4-column-1\">\n<div class=\"builder-text-content\" >\n<h2 class=\"builder-text-title title-style-small\">4. Faster and Smoother Field-weakening Response<\/h2>\n<div class=\"content-inner\">\n<p>Field weakening allows motors to operate above base speed without additional hardware, which is particularly useful during peak airflow demand. The new software improves the <strong>reaction time and smoothness<\/strong> of this function.<\/p>\n<p>Fans can now respond faster to sudden changes in demand while maintaining stable operation, avoiding pressure surges, noise, and unnecessary mechanical stress. The result is a more responsive and energy-efficient system that protects both comfort and equipment longevity.<\/p>\n<\/div><\/div>\n<\/p><\/div>\n<div class=\"builder-text-column builder-text-column-2\" id=\"4-column-2\">\n<div class=\"builder-text-content\" >\n<h2 class=\"builder-text-title title-style-small\">More Capability &#8211; Same Great Drives<\/h2>\n<div class=\"content-inner\">\n<p>Together, these four new features make our ventilation drives easier to commission, more efficient in operation, and more robust under fault conditions. All without having to replace or upgrade hardware.<\/p>\n<p>The software release is available now. We\u2019re excited to see you start taking advantage of these major new benefits.<\/p>\n<\/div><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>New features make these dedicated ventilation drives more flexible, robust, and future-ready. OJ Electronics DV drives are built for ventilation applications where reliability, efficiency, and long service life are essential. Via a new software release (AOC 4.11 and MOC 4.13), we have further strengthened the platform with four new features that address real-world commissioning, efficiency, &hellip;<\/p>\n","protected":false},"author":16,"featured_media":9378,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":"","footnotes":""},"categories":[11,262],"tags":[],"class_list":["post-9375","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-news-ventilation"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ventilation Drive Software Update | Enhanced Flexibility &amp; Performance - OJ Electronics<\/title>\n<meta name=\"description\" content=\"Discover the latest software release for ventilation drives at OJ Electronics. The update offers improved flexibility, efficiency, and performance, providing a more robust and reliable solution for ventilation applications.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ojelectronics.com\/drives\/news-ventilation\/major-ventilation-drive-software-release\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ventilation Drive Software Update | Enhanced Flexibility &amp; Performance - OJ Electronics\" \/>\n<meta property=\"og:description\" content=\"Discover the latest software release for ventilation drives at OJ Electronics. The update offers improved flexibility, efficiency, and performance, providing a more robust and reliable solution for ventilation applications.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ojelectronics.com\/drives\/news-ventilation\/major-ventilation-drive-software-release\/\" \/>\n<meta property=\"og:site_name\" content=\"OJ Electronics - Drives\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/ojelectronicsas\" \/>\n<meta property=\"article:published_time\" content=\"2026-04-01T08:22:11+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-01T06:38:54+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/ojelectronics.com\/drives\/wp-content\/uploads\/sites\/26\/2026\/05\/dv-sw-update2-news-image.png\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"600\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"ojcwh\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@electronics_oj\" \/>\n<meta name=\"twitter:site\" content=\"@electronics_oj\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"ojcwh\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/ojelectronics.com\\\/drives\\\/news-ventilation\\\/major-ventilation-drive-software-release\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/ojelectronics.com\\\/drives\\\/news-ventilation\\\/major-ventilation-drive-software-release\\\/\"},\"author\":{\"name\":\"ojcwh\",\"@id\":\"https:\\\/\\\/ojelectronics.com\\\/drives\\\/#\\\/schema\\\/person\\\/c9c7413eb59ccefec9673f816aacf762\"},\"headline\":\"Major Ventilation Drive Software Release\",\"datePublished\":\"2026-04-01T08:22:11+00:00\",\"dateModified\":\"2026-09-01T06:38:54+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/ojelectronics.com\\\/drives\\\/news-ventilation\\\/major-ventilation-drive-software-release\\\/\"},\"wordCount\":415,\"publisher\":{\"@id\":\"https:\\\/\\\/ojelectronics.com\\\/drives\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/ojelectronics.com\\\/drives\\\/news-ventilation\\\/major-ventilation-drive-software-release\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/ojelectronics.com\\\/drives\\\/wp-content\\\/uploads\\\/sites\\\/26\\\/2026\\\/05\\\/dv-sw-update2-news-image.png\",\"articleSection\":[\"News &amp; Knowledge\",\"Ventilation\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/ojelectronics.com\\\/drives\\\/news-ventilation\\\/major-ventilation-drive-software-release\\\/\",\"url\":\"https:\\\/\\\/ojelectronics.com\\\/drives\\\/news-ventilation\\\/major-ventilation-drive-software-release\\\/\",\"name\":\"Ventilation Drive Software Update | Enhanced Flexibility & Performance - OJ Electronics\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/ojelectronics.com\\\/drives\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/ojelectronics.com\\\/drives\\\/news-ventilation\\\/major-ventilation-drive-software-release\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/ojelectronics.com\\\/drives\\\/news-ventilation\\\/major-ventilation-drive-software-release\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/ojelectronics.com\\\/drives\\\/wp-content\\\/uploads\\\/sites\\\/26\\\/2026\\\/05\\\/dv-sw-update2-news-image.png\",\"datePublished\":\"2026-04-01T08:22:11+00:00\",\"dateModified\":\"2026-09-01T06:38:54+00:00\",\"description\":\"Discover the latest software release for ventilation drives at OJ Electronics. 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