{"id":60044,"date":"2025-09-26T10:56:56","date_gmt":"2025-09-26T10:56:56","guid":{"rendered":"https:\/\/becolve.com\/blog\/what-is-an-rtu\/"},"modified":"2025-09-26T10:57:15","modified_gmt":"2025-09-26T10:57:15","slug":"what-is-an-rtu","status":"publish","type":"blog","link":"https:\/\/becolve.com\/en\/blog\/what-is-an-rtu\/","title":{"rendered":"What is an RTU?"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.16&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>An RTU or <strong>Remote Terminal Unit<\/strong> is a device designed for the control and automation of facilities. Its function is to <strong>manage physical equipment and, in turn, communicate<\/strong> with the SCADA control system, and they are, by far, the most used equipment for the remote control of distributed and\/or unattended facilities. <\/p>\n<p>It may be thought that PLCs can also be used for this function, but the difference in use between them is notable. While PLCs are designed for industrial use, <strong>RTUs are more appropriate for the remote control<\/strong> of facilities because they incorporate a set of hardware and software functionalities that are more suitable for that environment, such as: <\/p>\n<ul>\n<li><strong>Environmental tolerance:<\/strong> ruggedized hardware with an extended humidity and temperature range.<\/li>\n<li><strong>Multiple connection methods:<\/strong> Ethernet, serial, GPRS\/3G\/4G, radio, \u2026<\/li>\n<li><strong>Different communication protocols<\/strong> upstream and downstream: Modbus, SNMP, IEC-104, DNP3, \u2026<\/li>\n<li><strong>More memory<\/strong> for Store&amp;Fordware functions.<\/li>\n<\/ul>\n<p>Therefore, RTUs have allowed for <strong>better and greater remote control<\/strong> of distributed facilities. It should be noted that the needs of remote control differ from the needs of industrial control. While in industry, control at the millisecond is prioritized, in <strong>infrastructure management<\/strong>, two major requirements must be met: <strong>autonomy and data reliability.<\/strong>  <\/p>\n<p><strong>Autonomy<\/strong> is a logical requirement. If RTUs <strong>are mainly installed in distributed and\/or unattended locations<\/strong>, it implies that there are no qualified operators nearby when a failure or breakdown occurs. Therefore, <strong>the equipment must be able to continue working<\/strong> regardless of the problem that occurs, adverse weather conditions, power failures, communication failures, tremors, blows, etc. An RTU must have the necessary hardware and functionalities so that an environmental problem does not mean a stoppage.  <\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2350\" src=\"https:\/\/becolve.com\/wp-content\/uploads\/2023\/04\/LKremote-water.jpg\" alt=\"Remote Terminal Unit LKremote waterproof\" width=\"800\" height=\"400\"><\/p>\n<p>If the equipment can be incommunicado for hours, this should not lead to a loss of information. Therefore, <strong>an RTU must be able to store all relevant information<\/strong> during periods when it does not communicate and, very importantly, with its time stamp. In this way, the SCADA will be able to contextualize all the data at its specific time when the connection is made. In addition, for good data reliability, the RTU <strong>must be able to take the initiative in communications<\/strong> if the situation requires it, that is, not wait for the SCADA to ask (PULL communication), but send the message itself (PUSH communication) to ensure that this urgent matter is transmitted.   <\/p>\n<p><a href=\"https:\/\/logitek.es\/lk_remote\/\"><strong>LKRemote<\/strong><\/a> is the leading range in infrastructure control, providing access, remote control, and security to multiple facilities distributed throughout the Spanish territory, from airports, electrical booths, pumping stations, CPDs, etc. <strong>LKRemote allows the user to guarantee the correct activity of their infrastructure<\/strong> with a simple programming of its operation and a quick integration with any SCADA platform.<\/p>\n<p>In addition to perfectly meeting the requirements mentioned here, it is also <strong>capable of establishing VPN tunnels, communicating via MQTT or OPC UA,<\/strong> programming in structured text and LADDER, or programming an integrated web server, among many other functionalities.<\/p>\n<p>Take a look at the different LKRemote models and you will see why they are used in hundreds of locations throughout the Spanish territory.<\/p>\n<\/p>\n<p>[\/et_pb_text][et_pb_button button_url=&#8221;https:\/\/logitek.es\/lk_remote\/&#8221; button_text=&#8221;Access LK Remote&#8221; button_alignment=&#8221;center&#8221; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][\/et_pb_button][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The RTU or Remote Terminal Unit is a device designed for the control and automation of unattended facilities. Here, we explain all its features and functionalities.<\/p>\n","protected":false},"author":31,"featured_media":60046,"menu_order":0,"template":"","categories":[1335],"tags":[],"arquitectura":[1843],"area":[],"sector":[],"experto":[1397],"weborigen":[175],"productos-tax":[61],"soluciones-tax":[1389],"marcas-tax":[],"coauthors":[],"class_list":["post-60044","blog","type-blog","status-publish","has-post-thumbnail","hentry","category-communications","arquitectura-industrial-communications","experto-industrial-communications","weborigen-m2mlogitek-com","productos-tax-lkremote","soluciones-tax-communication-rtu"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What is an RTU? | Becolve Digital<\/title>\n<meta name=\"description\" content=\"RTUs are appropriate devices for the remote control of facilities because they incorporate a set of more suitable hardware and software functionalities.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/becolve.com\/en\/blog\/what-is-an-rtu\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is an RTU? 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