{"id":41378,"date":"2024-05-21T13:48:40","date_gmt":"2024-05-21T13:48:40","guid":{"rendered":"https:\/\/www.alicat.com\/?post_type=document&#038;p=41378"},"modified":"2026-02-19T17:27:01","modified_gmt":"2026-02-19T17:27:01","slug":"profinet-faq","status":"publish","type":"document","link":"https:\/\/www.alicat.com\/de\/documentation\/profinet-faq\/","title":{"rendered":"PROFINET FAQ"},"content":{"rendered":"\n[et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.27.5&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; custom_css_free_form=&#8221;@media (max-width: 375px) {||  .et-db #et-boc .et-l .et_pb_post_content_0_tb_body {||  width:100% !important;||  }}&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221; custom_padding=&#8221;0px|4vw||4vw|false|true&#8221; sticky_enabled=&#8221;0&#8243;][et_pb_row _builder_version=&#8221;4.27.5&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; custom_padding=&#8221;0px||0px||true|false&#8221; sticky_enabled=&#8221;0&#8243;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_heading title=&#8221;PROFINET FAQ&#8221; _builder_version=&#8221;4.24.3&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_heading][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<div class=\"link-with-icons-wrap m-b\">\n\nAlicat devices are compatible with a variety of analog, serial, or industrial\u00a0<a href=\"https:\/\/www.alicat.com\/support\/communication-options-for-alicat-instruments\/\" target=\"_blank\" rel=\"noopener\">communication protocols<\/a> for easy data collection and analysis. Options include analog (4-20 mA, 0-10 Vdc, 0-5 Vdc, or 1-5 Vdc), ASCII and Modbus RTU over RS-232, ASCII and Modbus RTU over RS-485, PROFIBUS, PROFINET, DeviceNet, EtherNet\/IP, Modbus TCP\/IP, and EtherCAT<sup>&reg;<\/sup>.\n\nIn this article, we provide answers to common questions about PROFINET.\n<div class=\"link-with-icons-wrap m-b\"><a href=\"https:\/\/documents.alicat.com\/manuals\/DOC-MANUAL-PROFINET.pdf\" target=\"_blank\" rel=\"noopener\">PROFINET manual<\/a><\/div>\n<\/div>[\/et_pb_text][et_pb_accordion _builder_version=&#8221;4.27.5&#8243; _module_preset=&#8221;default&#8221; toggle_font=&#8221;|700|||||||&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; custom_margin=&#8221;1rem||||false|false&#8221; sticky_enabled=&#8221;0&#8243;][et_pb_accordion_item title=&#8221;Hidden Item So All Items Are Closed on Page Load&#8221; _builder_version=&#8221;4.27.5&#8243; _module_preset=&#8221;default&#8221; custom_css_free_form=&#8221;selector {||  display: none;||}&#8221; hover_enabled=&#8221;0&#8243; sticky_enabled=&#8221;0&#8243;][\/et_pb_accordion_item][et_pb_accordion_item title=&#8221;Where can I find supporting download files?&#8221; open=&#8221;on&#8221; _builder_version=&#8221;4.24.3&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<p><span>Find supporting downloads such as the certificates of conformity, manual, and GSD files\u00a0<\/span><a href=\"https:\/\/www.alicat.com\/support\/communication-options-for-alicat-instruments\/\" target=\"_blank\" rel=\"noopener\">here<\/a><span>. Note that the GSD file for M, L, and P series products is different from the one for CODA (K and KC series) products.<\/span><\/p>[\/et_pb_accordion_item][et_pb_accordion_item title=&#8221;Which products can have PROFINET installed?&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; open=&#8221;off&#8221;]PROFINET is available on most Alicat mass flow and pressure devices, including M, L, and P series instruments, and the CODA K series Coriolis mass flow instruments.\n\n<strong>Exceptions (incompatible with PROFINET):<\/strong>\n<ul>\n\t<li>OEM devices (<a href=\"https:\/\/www.alicat.com\/products\/gas-flow\/mass-flow-controller\/small-thermal-mass-flow-controllers\/\" target=\"_blank\" rel=\"noopener\">BC<\/a>,\u00a0<a href=\"https:\/\/www.alicat.com\/products\/pressure\/pressure-controller\/small-pressure-controllers-oem\/\">EPC, and\u00a0EPCD<\/a>-Series)<\/li>\n\t<li>Portable instruments (<a href=\"https:\/\/www.alicat.com\/products\/gas-flow\/mass-flow-meter\/portable-mass-flow-meters\/\" target=\"_blank\" rel=\"noopener\">MB<\/a>, <a href=\"https:\/\/www.alicat.com\/products\/pressure\/pressure-meter\/portable-pressure-meters\/\">PB<\/a>, and <a href=\"https:\/\/www.alicat.com\/products\/liquid-flow\/liquid-flow-meter\/portable-liquid-meters\/\">LB<\/a>-Series)<\/li>\n\t<li><a href=\"https:\/\/www.alicat.com\/documentation\/csa-atex-certifications-for-hazardous-environments\/\" target=\"_blank\" rel=\"noopener\">Class 1 Division 2<\/a>\u00a0area instruments (-X part numbers)<\/li>\n<\/ul>\n<div class=\"link-with-icons-wrap m-b\"><a href=\"https:\/\/www.alicat.com\/support\/communication-options-for-alicat-instruments\/\">Communications protocols comparison<\/a><\/div>[\/et_pb_accordion_item][et_pb_accordion_item title=&#8221;How does PROFINET change instrument specifications?&#8221; _builder_version=&#8221;4.24.3&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; open=&#8221;off&#8221;]<ul>\n<li><strong>Alicat part number:\u00a0<\/strong>-PROFINET<\/li>\n<li><strong>Electrical connections: <\/strong>Comms over dual RJ45<\/li>\n<li><strong>Additional power requirement:\u00a0<\/strong>75 mA<\/li>\n<li><strong>Max number of devices on network:\u00a0<\/strong>No limit<\/li>\n<\/ul>\n<div class=\"link-with-icons-wrap m-b\"><a href=\"https:\/\/www.alicat.com\/technical-reference\/#pinouts\" target=\"_blank\" rel=\"noopener\">Alicat connector pinout diagrams<\/a><\/div>[\/et_pb_accordion_item][et_pb_accordion_item title=&#8221;Which connector do I use to power the PROFINET device?&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; open=&#8221;off&#8221;]<div class=\"su-spoiler su-spoiler-style-fancy su-spoiler-icon-chevron\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\">\n<div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\n<p>Standard PROFINET devices are powered through a power jack, while PROFINET devices rated to IP66 and IP67 are powered through an M8 connector.<\/p>\n<\/div>\n<\/div>[\/et_pb_accordion_item][et_pb_accordion_item title=&#8221;Do I still have a choice of gases and gas mixes on PROFINET instruments?&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; open=&#8221;off&#8221;]<p>Yes, where those choices are already provided. Gas instruments with PROFINET have their full Gas Select\u2122 list of gas calibrations and Composer\u2122 gas mixing firmware. CODA Coriolis instruments, that do not natively have Gas Select, will not gain Gas Select when PROFINET is added \u2013 and it would be of no benefit, in any case, since CODA is accurate for mass flow, independent of the species flowing.<\/p>\n<div class=\"link-with-icons-wrap m-b\"><a href=\"https:\/\/www.alicat.com\/support\/high-accuracy-multi-gas-calibrations-using-gas-select-feature\/\" target=\"_blank\" rel=\"noopener\">How high-accuracy multi-gas calibrations work<\/a><\/div>[\/et_pb_accordion_item][et_pb_accordion_item title=&#8221;How fast are communications with an Alicat instrument equipped with PROFINET?&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; open=&#8221;off&#8221;]<div class=\"su-spoiler su-spoiler-style-fancy su-spoiler-icon-chevron\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\">\n<div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\n<p>PROFINET uses a full-duplex Ethernet hardware layer for data rates up to 1 Gbit\/s\u2014but communication speeds are limited by cable class. Also, bear in mind that data throughput is divided across the full network\u2019s number of nodes.<\/p>\n<\/div>\n<\/div>[\/et_pb_accordion_item][et_pb_accordion_item title=&#8221;Can I update my existing instruments to possess PROFINET?&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; open=&#8221;off&#8221;]<div class=\"su-spoiler su-spoiler-style-fancy su-spoiler-icon-chevron\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\">\n<div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\n<p>No. PROFINET can only be assembled and installed on new instruments due to distinct hardware and firmware requirements.<\/p>\n<\/div>\n<\/div>[\/et_pb_accordion_item][et_pb_accordion_item title=&#8221;Does PROFINET on Alicat instruments comply with the industry standard?&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; open=&#8221;off&#8221;]<p>Yes, PROFINET instruments are certified compliant by PROFIBUS Nutzeroorganisation e.V.<\/p>[\/et_pb_accordion_item][et_pb_accordion_item title=&#8221;Where are the notification indicator lights?&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; open=&#8221;off&#8221;]They are located on the case top of instruments that are rated lower than IP66 or IP67. They are additional to the LEDs that are built into the RJ45 connectors. We provide NET and READY LEDs for debugging PROFINET device status. They indicate basic open, closed, or active circuits for ensuring power-up and connections to a network.\n\nIP66 and IP67 devices do not have indicator lights.[\/et_pb_accordion_item][\/et_pb_accordion][\/et_pb_column][\/et_pb_row][\/et_pb_section]\n","protected":false},"featured_media":0,"parent":0,"template":"","meta":{"_acf_changed":false,"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"1400","content-type":"","_searchwp_excluded":""},"categories":[],"class_list":["post-41378","document","type-document","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>PROFINET FAQ - Alicat Scientific<\/title>\n<meta name=\"description\" content=\"Find answers to frequently asked questions about PROFINET communication protocol for Alicat meters and controllers.\" \/>\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.alicat.com\/de\/dokumentation\/profinet-faq\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PROFINET FAQ\" \/>\n<meta property=\"og:description\" content=\"Find answers to frequently asked questions about PROFINET communication protocol for Alicat meters and controllers.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.alicat.com\/de\/dokumentation\/profinet-faq\/\" \/>\n<meta property=\"og:site_name\" content=\"Alicat Scientific\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/alicatscientific\/\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-19T17:27:01+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"3\u00a0Minuten\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.alicat.com\\\/documentation\\\/profinet-faq\\\/\",\"url\":\"https:\\\/\\\/www.alicat.com\\\/documentation\\\/profinet-faq\\\/\",\"name\":\"PROFINET FAQ - 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