{"id":1274,"date":"2015-03-02T20:39:29","date_gmt":"2015-03-02T19:39:29","guid":{"rendered":"https:\/\/www.ott.com\/blog\/?p=43"},"modified":"2021-03-03T10:57:16","modified_gmt":"2021-03-03T09:57:16","slug":"an-introduction-to-communication-modules-for-water-resource-professionals","status":"publish","type":"post","link":"https:\/\/blog.otthydromet.com\/en\/an-introduction-to-communication-modules-for-water-resource-professionals\/","title":{"rendered":"An Introduction to Communication Modules for Water Resource Professionals"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"1274\" class=\"elementor elementor-1274\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-14379a1a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"14379a1a\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4084553e\" data-id=\"4084553e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-283d3bc1 elementor-widget elementor-widget-text-editor\" data-id=\"283d3bc1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>In systems that deliver water resource data to hydromet professionals, equipment within the system must communicate with each other. Systems consist of components like sensors, data loggers, control systems, and telemetry units. For data to be available, information such as measurement results, diagnostic data, and instructions for how and when to operate must be transferred between system components. Communication between the components within the system requires compatible connections and adherence to strict rules. Otherwise critical information may be lost or data communication may stop completely.<\/p><p>To allow communication efficiency and accuracy, rules are established so that elements of the system will link effectively. These rules of communication are referred to as communications protocols. Protocols exist for communicating through wired connections and telemetry. They may describe requirements for the system\u2019s hardware, software, or both. Normally the rules establish things like common sets of commands, structure of messages, where and when to send information, how to acknowledge and verify communication, speed of transmission, one-way or two-way communication, connection standards, hardware specifications, power requirements, or more. Depending on the communications protocol, there may be more or fewer elements of the rules.<\/p><p><\/p><p><em><strong>Communications protocols and human language metaphor<\/strong>: think of the challenges when communicating with someone that speaks a different language or even with a different dialect or communication style. Communication can be very difficult or impossible depending on the proximity of the communicators, words used, timing, speed, interferences, and more. When two communicators do not speak in compatible fashion a translator is normally required to allow even basic communications. Furthermore, it may be that one thinks they are communicating clearly following the established rules of the language, but communication problems occur anyway. These metaphors hold with hydromet equipment as well, only it can be worse because machines have far less capability than humans do to interpret imperfect communication. <\/em><\/p><p>The most common communications protocols for wired connections in hydrologic systems include <a href=\"http:\/\/en.wikipedia.org\/wiki\/SDI-12\" target=\"_blank\" rel=\"noopener noreferrer\">SDI-12<\/a> and <a href=\"http:\/\/en.wikipedia.org\/wiki\/Modbus\" target=\"_blank\" rel=\"noopener noreferrer\">MODBUS<\/a>, but there are many others \u2013 maybe dozens \u2013 that may be more popular in specific regions of the world or in specialized applications. Protocols originate out of the need to exchange information between pieces of hardware and are normally established by standards\u00a0organizations, companies, or other stakeholder groups. They will evolve with time and sometimes split into \u2018dialects\u2019 that are unique. In some cases the communications protocols are well documented. In others there are few agreed-upon standards.<\/p><p>Even with the most established protocols, some of the rules are unclear, open to interpretation, or not followed, much like rules of human languages. In any case, if two pieces of equipment are not speaking the same language, communication will break down. So it is important to choose hardware and software carefully for compatible communications and to minimize the likelihood of communication problems. For more information or help with a hydrological monitoring system, visit <a href=\"https:\/\/www.ott.com\" target=\"_blank\" rel=\"noopener noreferrer\">www.ott.com<\/a> or contact the OTT Hydromet Technical Support team at <a href=\"mailto:NAtechsupport@otthydromet.com\" target=\"_blank\" rel=\"noopener noreferrer\">NAtechsupport@otthydromet.com<\/a>.<\/p><figure id=\"attachment_46\" aria-describedby=\"caption-attachment-46\" style=\"width: 300px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/blogottprod.wpengine.com\/wp-content\/uploads\/2015\/03\/netDL.jpg\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-medium wp-image-46\" src=\"http:\/\/blogottprod.wpengine.com\/wp-content\/uploads\/2015\/03\/netDL-300x195.jpg\" alt=\"datalogger, communications protocols, sdi-12, modbus\" width=\"300\" height=\"195\" \/><\/a><figcaption id=\"caption-attachment-46\" class=\"wp-caption-text\">The OTT netDL datalogger is compatible with many different communication protocols, including SDI-12 and MODBUS<\/figcaption><\/figure>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>In systems that deliver water resource data to hydromet professionals, equipment within the system must communicate with each other. Systems consist of components like sensors, data loggers, control systems, and telemetry units. For data to be available, information such as measurement results, diagnostic data, and instructions for how and when to operate must be transferred [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":2001,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[],"class_list":["post-1274","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hydrology"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>An Introduction to Communication Modules for Water Resource Professionals - OTT 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.otthydromet.com\/en\/an-introduction-to-communication-modules-for-water-resource-professionals\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"An Introduction to Communication Modules for Water Resource Professionals - OTT Blog\" \/>\n<meta property=\"og:description\" content=\"In systems that deliver water resource data to hydromet professionals, equipment within the system must communicate with each other. 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