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type=\"text\/javascript\">\n document.addEventListener(\"DOMContentLoaded\", function () {\n \/\/ your code here\n });\n<\/script><br \/>\n <\/head><br \/>\n <body for=\"html-export\"><\/p>\n<div class=\"crossnote markdown-preview \">\n<h1 id=\"\u5de5\u4e1a\u5e38\u7528\u901a\u8baf\u534f\u8bae\">\u5de5\u4e1a\u5e38\u7528\u901a\u8baf\u534f\u8bae <\/h1>\n<p><img decoding=\"async\" src=\"https:\/\/www.wnblog.cn\/images\/PLC_010_001.png\" alt=\"\u56fe\u7247\u63cf\u8ff0\"><\/p>\n<p>\u5206\u4e3a<strong>\u4f20\u7edf\u73b0\u573a\u603b\u7ebf\uff08\u542b RS485 \u4e32\u53e3\u603b\u7ebf\uff09<\/strong> \u548c<strong>\u5de5\u4e1a\u4ee5\u592a\u7f51<\/strong>\u4e24\u5927\u7c7b\u522b\uff1a<\/p>\n<h2 id=\"\u4e00-\u4e32\u53e3--\u4f20\u7edf\u73b0\u573a\u603b\u7ebf\">\u4e00\u3001\u4e32\u53e3 \/ \u4f20\u7edf\u73b0\u573a\u603b\u7ebf <\/h2>\n<ol>\n<li><strong>Modbus RTU<\/strong><br \/>\n\u57fa\u4e8e RS485 \u7269\u7406\u4ecb\u8d28\uff0c\u5f00\u653e\u514d\u8d39\u534f\u8bae\u3002\u5de5\u4e1a\u91cc\u666e\u53ca\u7387\u6700\u9ad8\uff0c\u5e7f\u6cdb\u7528\u4e8e\u53d8\u9001\u5668\u3001\u6e29\u5ea6\u4eea\u8868\u3001\u53d8\u9891\u5668\u3001\u6570\u663e\u8868\u3002\u652f\u6301\u4e00\u4e3b\u591a\u4ece\uff0c\u9002\u5408\u4f4e\u901f\u8fc7\u7a0b\u6570\u636e\u91c7\u96c6\u3002<\/li>\n<li><strong>Profibus-DP<\/strong><br \/>\n\u897f\u95e8\u5b50\u65e9\u5e74\u4e3b\u63a8\u73b0\u573a\u603b\u7ebf\uff0c\u7269\u7406\u5c42\u4e5f\u662f RS485\u3002\u7528\u4e8e PLC \u548c\u8fdc\u7a0b IO\u3001\u53d8\u9891\u5668\u3001\u4eea\u8868\u901a\u8baf\u3002\u66fe\u7ecf\u5927\u91cf\u4f7f\u7528\uff0c\u65b0\u9879\u76ee\u57fa\u672c\u4e0d\u518d\u9009\u7528\uff0c\u5b58\u91cf\u8bbe\u5907\u5f88\u591a\u3002<\/li>\n<li><strong>USS<\/strong><br \/>\n\u897f\u95e8\u5b50\u79c1\u6709 RS485 \u534f\u8bae\uff0c\u4e13\u95e8\u7528\u4e8e\u897f\u95e8\u5b50\u53d8\u9891\u5668\u3002\u53ea\u80fd\u548c\u897f\u95e8\u5b50\u9a71\u52a8\u901a\u8baf\uff0c\u901a\u7528\u6027\u5dee\u3002<\/li>\n<li><strong>CANopen<\/strong><br \/>\n\u57fa\u4e8e CAN \u603b\u7ebf\uff0c\u591a\u7528\u4e8e\u5c0f\u578b\u4f3a\u670d\u3001\u9a71\u52a8\u5668\u3001\u5d4c\u5165\u5f0f\u8bbe\u5907\uff0c\u5728\u673a\u68b0\u884c\u4e1a\u3001\u8f66\u8f7d\u8bbe\u5907\u6bd4\u8f83\u5e38\u89c1\u3002<\/li>\n<\/ol>\n<h2 id=\"\u4e8c-\u5de5\u4e1a\u4ee5\u592a\u7f51\u73b0\u5728\u65b0\u9879\u76ee\u4e3b\u6d41\u7f51\u7ebf-rj45\">\u4e8c\u3001\u5de5\u4e1a\u4ee5\u592a\u7f51\uff08\u73b0\u5728\u65b0\u9879\u76ee\u4e3b\u6d41\uff0c\u7f51\u7ebf RJ45\uff09 <\/h2>\n<ol>\n<li><strong>Modbus TCP<\/strong><br \/>\nModbus \u7684\u4ee5\u592a\u7f51\u7248\u672c\uff0c\u5f00\u653e\u534f\u8bae\u3002\u7b80\u5355\u6613\u7528\uff0c\u5404\u7c7b\u4eea\u8868\u3001\u53d8\u9891\u5668\u3001\u7f51\u5173\u666e\u904d\u652f\u6301\uff0c\u7528\u4e8e\u666e\u901a\u975e\u5b9e\u65f6\u7684\u6570\u636e\u4ea4\u4e92\u3002<\/li>\n<li><strong>Profinet\uff08PN\uff09<\/strong><br \/>\n\u897f\u95e8\u5b50\u4e3b\u63a8\u5de5\u4e1a\u4ee5\u592a\u7f51\uff0c\u53ef\u505a\u666e\u901a\u901a\u8baf\uff0c\u4e5f\u652f\u6301 RT\/IRT \u786c\u5b9e\u65f6\u3002\u7528\u4e8e PLC\u3001\u5206\u5e03\u5f0f IO\u3001\u4f3a\u670d\u3001HMI\uff0c\u897f\u95e8\u5b50\u4f53\u7cfb\u9879\u76ee\u6807\u914d\u3002<\/li>\n<li><strong>EtherCAT<\/strong><br \/>\n\u500d\u798f\u5f00\u53d1\uff0c\u9ad8\u901f\u5b9e\u65f6\u603b\u7ebf\u3002\u8fd0\u52a8\u63a7\u5236\u9886\u57df\u9996\u9009\uff0c\u591a\u8f74\u4f3a\u670d\u3001\u673a\u68b0\u624b\u3001\u81ea\u52a8\u5316\u4ea7\u7ebf\u5927\u91cf\u4f7f\u7528\uff0c\u5b9e\u65f6\u6027\u5f88\u5f3a\u3002<\/li>\n<li><strong>EtherNet\/IP<\/strong><br \/>\n\u7f57\u514b\u97e6\u5c14\uff08AB\uff09\u4e3b\u63a8\u534f\u8bae\uff0c\u6b27\u7f8e\u8bbe\u5907\u5e94\u7528\u8f83\u591a\uff0c\u56fd\u5185\u9879\u76ee\u5c11\u4e8e Profinet\u3001EtherCAT\u3002<\/li>\n<li><strong>Powerlink<\/strong><br \/>\n\u5f00\u6e90\u5b9e\u65f6\u4ee5\u592a\u7f51\uff0c\u8fd0\u52a8\u63a7\u5236\u573a\u666f\u4f7f\u7528\uff0c\u5e02\u573a\u5360\u6709\u7387\u4f4e\u4e8e EtherCAT\u3002<\/li>\n<\/ol>\n<h2 id=\"\u4e09-\u5176\u4ed6\u5e38\u7528\u534f\u8bae\">\u4e09\u3001\u5176\u4ed6\u5e38\u7528\u534f\u8bae <\/h2>\n<ul>\n<li><strong>S7 \u534f\u8bae<\/strong>\uff1a\u897f\u95e8\u5b50\u79c1\u6709\u4ee5\u592a\u7f51\u534f\u8bae\uff0c\u4e0a\u4f4d\u673a\u3001\u7b2c\u4e09\u65b9\u89e6\u6478\u5c4f\u8bfb\u5199\u897f\u95e8\u5b50 PLC \u6570\u636e\u4f7f\u7528\uff0c\u4e0d\u5c5e\u4e8e\u72ec\u7acb\u73b0\u573a\u603b\u7ebf\u3002<\/li>\n<li><strong>DeviceNet<\/strong>\uff1aAB \u4f53\u7cfb CAN \u603b\u7ebf\u73b0\u573a\u603b\u7ebf\uff0c\u8001\u65e7\u8bbe\u5907\u5c45\u591a\uff0c\u65b0\u9879\u76ee\u5f88\u5c11\u3002<\/li>\n<\/ul><\/div>\n<p> <\/body><\/html><\/p>\n","protected":false},"excerpt":{"rendered":"<p># \u5de5\u4e1a\u5e38\u7528\u901a\u8baf\u534f\u8bae \u5de5\u4e1a\u5e38\u7528\u901a\u8baf\u534f\u8bae \u5206\u4e3a\u4f20\u7edf\u73b0\u573a\u603b\u7ebf\uff08\u542b RS485 \u4e32\u53e3\u603b\u7ebf\uff09 \u548c\u5de5\u4e1a\u4ee5\u592a\u7f51\u4e24\u5927\u7c7b\u522b\uff1a 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{"id":143,"date":"2026-09-15T23:19:20","date_gmt":"2026-09-15T15:19:20","guid":{"rendered":"https:\/\/www.wnblog.cn\/?p=143"},"modified":"2026-09-15T23:19:50","modified_gmt":"2026-09-15T15:19:50","slug":"143","status":"publish","type":"post","link":"https:\/\/www.wnblog.cn\/index.php\/2026\/09\/15\/143\/","title":{"rendered":"\u5de5\u4e1a\u5e38\u7528\u7684\u901a\u8baf\u534f\u8bae"},"content":{"rendered":"

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.md-toc-link-wrapper[data-level='5']{padding-left:80px}html body[for=html-export]:not([data-presentation-mode])[html-show-sidebar-toc] .markdown-preview{left:300px;width:calc(100% - 300px);padding:2em calc(50% - 457px - 300px \/ 2);margin:0;box-sizing:border-box}@media screen and (max-width:1274px){html body[for=html-export]:not([data-presentation-mode])[html-show-sidebar-toc] .markdown-preview{padding:2em}}@media screen and (max-width:450px){html body[for=html-export]:not([data-presentation-mode])[html-show-sidebar-toc] .markdown-preview{width:100%}}html body[for=html-export]:not([data-presentation-mode]):not([html-show-sidebar-toc]) .markdown-preview{left:50%;transform:translateX(-50%)}html body[for=html-export]:not([data-presentation-mode]):not([html-show-sidebar-toc]) .md-sidebar-toc{display:none}\n\/* Please visit the URL below for more information: *\/\n\/* https:\/\/shd101wyy.github.io\/markdown-preview-enhanced\/#\/customize-css *\/<\/p>\n<\/style>\n<p> <br \/>\n<script type=\"text\/javascript\">\n document.addEventListener(\"DOMContentLoaded\", function () {\n \/\/ your code here\n });\n<\/script><br \/>\n <\/head><br \/>\n <body for=\"html-export\"><\/p>\n<div class=\"crossnote markdown-preview \">\n<h1 id=\"\u5de5\u4e1a\u5e38\u7528\u901a\u8baf\u534f\u8bae\">\u5de5\u4e1a\u5e38\u7528\u901a\u8baf\u534f\u8bae <\/h1>\n<p><img decoding=\"async\" src=\"https:\/\/www.wnblog.cn\/images\/PLC_010_001.png\" alt=\"\u56fe\u7247\u63cf\u8ff0\"><\/p>\n<p>\u5206\u4e3a<strong>\u4f20\u7edf\u73b0\u573a\u603b\u7ebf\uff08\u542b RS485 \u4e32\u53e3\u603b\u7ebf\uff09<\/strong> \u548c<strong>\u5de5\u4e1a\u4ee5\u592a\u7f51<\/strong>\u4e24\u5927\u7c7b\u522b\uff1a<\/p>\n<h2 id=\"\u4e00-\u4e32\u53e3--\u4f20\u7edf\u73b0\u573a\u603b\u7ebf\">\u4e00\u3001\u4e32\u53e3 \/ \u4f20\u7edf\u73b0\u573a\u603b\u7ebf <\/h2>\n<ol>\n<li><strong>Modbus RTU<\/strong><br \/>\n\u57fa\u4e8e RS485 \u7269\u7406\u4ecb\u8d28\uff0c\u5f00\u653e\u514d\u8d39\u534f\u8bae\u3002\u5de5\u4e1a\u91cc\u666e\u53ca\u7387\u6700\u9ad8\uff0c\u5e7f\u6cdb\u7528\u4e8e\u53d8\u9001\u5668\u3001\u6e29\u5ea6\u4eea\u8868\u3001\u53d8\u9891\u5668\u3001\u6570\u663e\u8868\u3002\u652f\u6301\u4e00\u4e3b\u591a\u4ece\uff0c\u9002\u5408\u4f4e\u901f\u8fc7\u7a0b\u6570\u636e\u91c7\u96c6\u3002<\/li>\n<li><strong>Profibus-DP<\/strong><br \/>\n\u897f\u95e8\u5b50\u65e9\u5e74\u4e3b\u63a8\u73b0\u573a\u603b\u7ebf\uff0c\u7269\u7406\u5c42\u4e5f\u662f RS485\u3002\u7528\u4e8e PLC \u548c\u8fdc\u7a0b IO\u3001\u53d8\u9891\u5668\u3001\u4eea\u8868\u901a\u8baf\u3002\u66fe\u7ecf\u5927\u91cf\u4f7f\u7528\uff0c\u65b0\u9879\u76ee\u57fa\u672c\u4e0d\u518d\u9009\u7528\uff0c\u5b58\u91cf\u8bbe\u5907\u5f88\u591a\u3002<\/li>\n<li><strong>USS<\/strong><br \/>\n\u897f\u95e8\u5b50\u79c1\u6709 RS485 \u534f\u8bae\uff0c\u4e13\u95e8\u7528\u4e8e\u897f\u95e8\u5b50\u53d8\u9891\u5668\u3002\u53ea\u80fd\u548c\u897f\u95e8\u5b50\u9a71\u52a8\u901a\u8baf\uff0c\u901a\u7528\u6027\u5dee\u3002<\/li>\n<li><strong>CANopen<\/strong><br \/>\n\u57fa\u4e8e CAN \u603b\u7ebf\uff0c\u591a\u7528\u4e8e\u5c0f\u578b\u4f3a\u670d\u3001\u9a71\u52a8\u5668\u3001\u5d4c\u5165\u5f0f\u8bbe\u5907\uff0c\u5728\u673a\u68b0\u884c\u4e1a\u3001\u8f66\u8f7d\u8bbe\u5907\u6bd4\u8f83\u5e38\u89c1\u3002<\/li>\n<\/ol>\n<h2 id=\"\u4e8c-\u5de5\u4e1a\u4ee5\u592a\u7f51\u73b0\u5728\u65b0\u9879\u76ee\u4e3b\u6d41\u7f51\u7ebf-rj45\">\u4e8c\u3001\u5de5\u4e1a\u4ee5\u592a\u7f51\uff08\u73b0\u5728\u65b0\u9879\u76ee\u4e3b\u6d41\uff0c\u7f51\u7ebf RJ45\uff09 <\/h2>\n<ol>\n<li><strong>Modbus TCP<\/strong><br \/>\nModbus \u7684\u4ee5\u592a\u7f51\u7248\u672c\uff0c\u5f00\u653e\u534f\u8bae\u3002\u7b80\u5355\u6613\u7528\uff0c\u5404\u7c7b\u4eea\u8868\u3001\u53d8\u9891\u5668\u3001\u7f51\u5173\u666e\u904d\u652f\u6301\uff0c\u7528\u4e8e\u666e\u901a\u975e\u5b9e\u65f6\u7684\u6570\u636e\u4ea4\u4e92\u3002<\/li>\n<li><strong>Profinet\uff08PN\uff09<\/strong><br \/>\n\u897f\u95e8\u5b50\u4e3b\u63a8\u5de5\u4e1a\u4ee5\u592a\u7f51\uff0c\u53ef\u505a\u666e\u901a\u901a\u8baf\uff0c\u4e5f\u652f\u6301 RT\/IRT \u786c\u5b9e\u65f6\u3002\u7528\u4e8e PLC\u3001\u5206\u5e03\u5f0f IO\u3001\u4f3a\u670d\u3001HMI\uff0c\u897f\u95e8\u5b50\u4f53\u7cfb\u9879\u76ee\u6807\u914d\u3002<\/li>\n<li><strong>EtherCAT<\/strong><br \/>\n\u500d\u798f\u5f00\u53d1\uff0c\u9ad8\u901f\u5b9e\u65f6\u603b\u7ebf\u3002\u8fd0\u52a8\u63a7\u5236\u9886\u57df\u9996\u9009\uff0c\u591a\u8f74\u4f3a\u670d\u3001\u673a\u68b0\u624b\u3001\u81ea\u52a8\u5316\u4ea7\u7ebf\u5927\u91cf\u4f7f\u7528\uff0c\u5b9e\u65f6\u6027\u5f88\u5f3a\u3002<\/li>\n<li><strong>EtherNet\/IP<\/strong><br \/>\n\u7f57\u514b\u97e6\u5c14\uff08AB\uff09\u4e3b\u63a8\u534f\u8bae\uff0c\u6b27\u7f8e\u8bbe\u5907\u5e94\u7528\u8f83\u591a\uff0c\u56fd\u5185\u9879\u76ee\u5c11\u4e8e Profinet\u3001EtherCAT\u3002<\/li>\n<li><strong>Powerlink<\/strong><br \/>\n\u5f00\u6e90\u5b9e\u65f6\u4ee5\u592a\u7f51\uff0c\u8fd0\u52a8\u63a7\u5236\u573a\u666f\u4f7f\u7528\uff0c\u5e02\u573a\u5360\u6709\u7387\u4f4e\u4e8e EtherCAT\u3002<\/li>\n<\/ol>\n<h2 id=\"\u4e09-\u5176\u4ed6\u5e38\u7528\u534f\u8bae\">\u4e09\u3001\u5176\u4ed6\u5e38\u7528\u534f\u8bae <\/h2>\n<ul>\n<li><strong>S7 \u534f\u8bae<\/strong>\uff1a\u897f\u95e8\u5b50\u79c1\u6709\u4ee5\u592a\u7f51\u534f\u8bae\uff0c\u4e0a\u4f4d\u673a\u3001\u7b2c\u4e09\u65b9\u89e6\u6478\u5c4f\u8bfb\u5199\u897f\u95e8\u5b50 PLC \u6570\u636e\u4f7f\u7528\uff0c\u4e0d\u5c5e\u4e8e\u72ec\u7acb\u73b0\u573a\u603b\u7ebf\u3002<\/li>\n<li><strong>DeviceNet<\/strong>\uff1aAB \u4f53\u7cfb CAN \u603b\u7ebf\u73b0\u573a\u603b\u7ebf\uff0c\u8001\u65e7\u8bbe\u5907\u5c45\u591a\uff0c\u65b0\u9879\u76ee\u5f88\u5c11\u3002<\/li>\n<\/ul><\/div>\n<p> <\/body><\/html><\/p>\n","protected":false},"excerpt":{"rendered":"<p># \u5de5\u4e1a\u5e38\u7528\u901a\u8baf\u534f\u8bae \u5de5\u4e1a\u5e38\u7528\u901a\u8baf\u534f\u8bae \u5206\u4e3a\u4f20\u7edf\u73b0\u573a\u603b\u7ebf\uff08\u542b RS485 \u4e32\u53e3\u603b\u7ebf\uff09 \u548c\u5de5\u4e1a\u4ee5\u592a\u7f51\u4e24\u5927\u7c7b\u522b\uff1a …<\/p>\n","protected":false},"author":1,"featured_media":144,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_themeisle_gutenberg_block_has_review":false,"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[4],"tags":[],"class_list":["post-143","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-plc"],"_links":{"self":[{"href":"https:\/\/www.wnblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/143","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wnblog.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wnblog.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wnblog.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wnblog.cn\/index.php\/wp-json\/wp\/v2\/comments?post=143"}],"version-history":[{"count":2,"href":"https:\/\/www.wnblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/143\/revisions"}],"predecessor-version":[{"id":147,"href":"https:\/\/www.wnblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/143\/revisions\/147"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wnblog.cn\/index.php\/wp-json\/wp\/v2\/media\/144"}],"wp:attachment":[{"href":"https:\/\/www.wnblog.cn\/index.php\/wp-json\/wp\/v2\/media?parent=143"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wnblog.cn\/index.php\/wp-json\/wp\/v2\/categories?post=143"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wnblog.cn\/index.php\/wp-json\/wp\/v2\/tags?post=143"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}