{"id":231,"date":"2025-05-23T19:47:35","date_gmt":"2025-05-23T11:47:35","guid":{"rendered":"http:\/\/47.111.133.139\/?p=231"},"modified":"2025-05-23T21:20:14","modified_gmt":"2025-05-23T13:20:14","slug":"%e5%b7%a5%e4%b8%9a%e6%8e%a7%e5%88%b6%e7%bd%91%e7%bb%9c%ef%bc%88%e8%87%aa%e7%94%a8%ef%bc%89","status":"publish","type":"post","link":"https:\/\/yin.nnneri.me\/?p=231","title":{"rendered":"\u5de5\u4e1a\u63a7\u5236\u7f51\u7edc\uff08\u81ea\u7528\uff09"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u8111\u56fe<\/h2>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro cbp-has-line-numbers\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;--cbp-line-number-color:#f6f6f4;--cbp-line-number-width:calc(3 * 0.6 * .875rem);line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:flex;align-items:center;padding:10px 0px 10px 16px;margin-bottom:-2px;width:100%;text-align:left;background-color:#333545;color:#ebebe6\">Markdown<\/span><span role=\"button\" tabindex=\"0\" data-code=\"\u8ba1\u7b97\u673a\u7f51\u7edc\u901a\u4fe1\n\u251c\u2500 \u901a\u4fe1\u65b9\u5411\n\u2502  \u251c\u2500 \u5355\u5de5\u901a\u4fe1\uff1a\u5355\u5411\u4f20\u8f93\n\u2502  \u251c\u2500 \u534a\u53cc\u5de5\u901a\u4fe1\uff1a\u53cc\u5411\u4ea4\u66ff\n\u2502  \u251c\u2500 \u5168\u53cc\u5de5\u901a\u4fe1\uff1a\u53cc\u5411\u540c\u65f6\n\u2502  \u2514\u2500 \u5168\/\u5168\u53cc\u5de5\uff1a\u7ec8\u7aef\u540c\u65f6\u6536\u53d1\n\u2502\n\u251c\u2500 \u5dee\u9519\u63a7\u5236\n\u2502  \u251c\u2500 \u68c0\u6d4b\u65b9\u6cd5\n\u2502  \u2502  \u251c\u2500 \u5197\u4f59\u4f20\u8f93\n\u2502  \u2502  \u251c\u2500 \u56de\u4f20\u6821\u9a8c\n\u2502  \u2502  \u251c\u2500 \u7cbe\u786e\u8ba1\u6570\u7f16\u7801\n\u2502  \u2502  \u251c\u2500 \u5947\u5076\u6821\u9a8c\n\u2502  \u2502  \u251c\u2500 \u6821\u9a8c\u548c\n\u2502  \u2502  \u2514\u2500 CRC\u6821\u9a8c\n\u2502  \u2502\n\u2502  \u2514\u2500 \u7ea0\u6b63\u65b9\u6cd5\n\u2502     \u251c\u2500 ARQ\uff08\u81ea\u52a8\u56de\u4f20\uff09\n\u2502     \u2502  \u251c\u2500 \u505c\u6b62\u7b49\u5f85\n\u2502     \u2502  \u2514\u2500 \u8fde\u7eed\u53d1\u9001\n\u2502     \u2514\u2500 FEC\uff08\u524d\u5411\u7ea0\u9519\uff09\n\u2502\n\u251c\u2500 \u7f51\u7edc\u62d3\u6251\n\u2502  \u251c\u2500 \u73af\u5f62\u62d3\u6251\uff1a\u5c01\u95ed\u73af\u8def\n\u2502  \u251c\u2500 \u661f\u5f62\u62d3\u6251\uff1a\u4e2d\u592e\u8282\u70b9\u63a7\u5236\n\u2502  \u251c\u2500 \u603b\u7ebf\u62d3\u6251\uff1a\u5355\u4e3b\u5e72\u7535\u7f06\n\u2502  \u2514\u2500 \u6811\u5f62\u62d3\u6251\uff1a\u5206\u7ea7\u7ed3\u6784\n\u2502\n\u251c\u2500 \u4ecb\u8d28\u8bbf\u95ee\u63a7\u5236\n\u2502  \u251c\u2500 \u4ee4\u724c\u73af\n\u2502  \u2502  \u2514\u2500 \u5de5\u4f5c\u539f\u7406\uff1a\u4ee4\u724c\u4f20\u9012\uff0c\u65e0\u51b2\u7a81\n\u2502  \u2514\u2500 \u4ee4\u724c\u603b\u7ebf\n\u2502     \u2514\u2500 \u903b\u8f91\u73af\uff0c\u7269\u7406\u4f4d\u7f6e\u65e0\u5173\n\u2502\n\u251c\u2500 OSI\u6a21\u578b\n\u2502  \u2514\u2500 \u4e03\u5c42\u7ed3\u6784\n\u2502     \u251c\u2500 \u7269\u7406\u5c42\n\u2502     \u251c\u2500 \u6570\u636e\u94fe\u8def\u5c42\n\u2502     \u251c\u2500 \u7f51\u7edc\u5c42\n\u2502     \u251c\u2500 \u4f20\u8f93\u5c42\n\u2502     \u251c\u2500 \u4f1a\u8bdd\u5c42\n\u2502     \u251c\u2500 \u8868\u793a\u5c42\n\u2502     \u2514\u2500 \u5e94\u7528\u5c42\n\u2502\n\u251c\u2500 \u590d\u7528\u6280\u672f\n\u2502  \u251c\u2500 \u540c\u6b65\u65f6\u5206\u590d\u7528\uff1a\u56fa\u5b9a\u65f6\u95f4\u7247\n\u2502  \u2514\u2500 \u5f02\u6b65\u65f6\u5206\u590d\u7528\uff1a\u52a8\u6001\u5206\u914d\n\u2502\n\u251c\u2500 CAN\u603b\u7ebf\n\u2502  \u251c\u2500 \u5e27\u7c7b\u578b\n\u2502  \u2502  \u251c\u2500 \u6570\u636e\u5e27\uff1a\u643a\u5e26\u6570\u636e\n\u2502  \u2502  \u251c\u2500 \u8fdc\u7a0b\u5e27\uff1a\u8bf7\u6c42\u6570\u636e\n\u2502  \u2502  \u251c\u2500 \u9519\u8bef\u5e27\uff1a\u9519\u8bef\u901a\u77e5\n\u2502  \u2502  \u2514\u2500 \u8d85\u8f7d\u5e27\uff1a\u5ef6\u8fdf\u63a7\u5236\n\u2502  \u2502\n\u2502  \u251c\u2500 \u6570\u636e\u5e27\u7ed3\u6784\n\u2502  \u2502  \u251c\u2500 \u5e27\u8d77\u59cb\n\u2502  \u2502  \u251c\u2500 \u4ef2\u88c1\u573a\uff08ID+RTR\uff09\n\u2502  \u2502  \u251c\u2500 \u63a7\u5236\u573a\n\u2502  \u2502  \u251c\u2500 \u6570\u636e\u573a\uff080-8\u5b57\u8282\uff09\n\u2502  \u2502  \u251c\u2500 CRC\u573a\n\u2502  \u2502  \u251c\u2500 \u5e94\u7b54\u573a\n\u2502  \u2502  \u2514\u2500 \u5e27\u7ed3\u675f\n\u2502  \u2502\n\u2502  \u251c\u2500 \u9519\u8bef\u7c7b\u578b\n\u2502  \u2502  \u251c\u2500 \u4f4d\u9519\u8bef\n\u2502  \u2502  \u251c\u2500 \u586b\u5145\u9519\u8bef\n\u2502  \u2502  \u251c\u2500 CRC\u9519\u8bef\n\u2502  \u2502  \u2514\u2500 \u683c\u5f0f\u9519\u8bef\n\u2502  \u2502\n\u2502  \u2514\u2500 \u8282\u70b9\u72b6\u6001\n\u2502     \u251c\u2500 \u9519\u8bef\u6fc0\u6d3b\n\u2502     \u251c\u2500 \u9519\u8bef\u8ba4\u53ef\n\u2502     \u2514\u2500 \u603b\u7ebf\u5173\u95ed\n\u2502\n\u251c\u2500 PROFIBUS-DP\n\u2502  \u251c\u2500 \u8bbe\u5907\u7c7b\u578b\n\u2502  \u2502  \u251c\u2500 1\u7c7b\u4e3b\u7ad9\uff08PLC\/PC\uff09\n\u2502  \u2502  \u251c\u2500 2\u7c7b\u4e3b\u7ad9\uff08\u7f16\u7a0b\u5668\uff09\n\u2502  \u2502  \u2514\u2500 \u4ece\u7ad9\uff08I\/O\u8bbe\u5907\uff09\n\u2502  \u2502\n\u2502  \u251c\u2500 \u5730\u5740\u89c4\u5219\n\u2502  \u2502  \u251c\u2500 \u4e3b\u7ad9\u5730\u5740\uff1a1\u5f00\u59cb\u8fde\u7eed\n\u2502  \u2502  \u251c\u2500 \u4ece\u7ad9\u5730\u5740\uff1a\u6309\u6bb5\u7f16\u53f7\n\u2502  \u2502  \u2514\u2500 \u4fdd\u7559\u5730\u5740\uff1a0\/126\/127\n\u2502  \u2502\n\u2502  \u2514\u2500 \u5e27\u7ed3\u6784\n\u2502     \u251c\u2500 \u540c\u6b65\u6bb5\n\u2502     \u251c\u2500 \u8d77\u59cb\u6bb5\n\u2502     \u251c\u2500 \u5730\u5740\u6bb5\n\u2502     \u251c\u2500 \u63a7\u5236\u6bb5\n\u2502     \u251c\u2500 \u6570\u636e\u6bb5\n\u2502     \u251c\u2500 \u6821\u9a8c\u6bb5\n\u2502     \u2514\u2500 \u7ed3\u675f\u6bb5\n\u2502\n\u2514\u2500 \u8865\u5145\u77e5\u8bc6\u70b9\n   \u251c\u2500 \u4f20\u8f93\u4ecb\u8d28\n   \u2502  \u251c\u2500 \u53cc\u7ede\u7ebf\n   \u2502  \u251c\u2500 \u540c\u8f74\u7535\u7f06\n   \u2502  \u2514\u2500 \u5149\u7ea4\n   \u2502\n   \u251c\u2500 \u5173\u952e\u7279\u6027\n   \u2502  \u251c\u2500 DCS\uff1a\u96c6\u4e2d\u7ba1\u7406\u5206\u6563\u63a7\u5236\n   \u2502  \u251c\u2500 \u5b89\u5168\u6805\u6280\u672f\uff1a\u80fd\u91cf\u9650\u5236\n   \u2502  \u2514\u2500 \u975e\u7834\u574f\u6027\u4ef2\u88c1\uff08CAN\uff09\n   \u2502\n   \u2514\u2500 \u8bbe\u5907\u529f\u80fd\n      \u251c\u2500 \u4e2d\u7ee7\u5668\uff1a\u7269\u7406\u5c42\u4fe1\u53f7\u653e\u5927\n      \u2514\u2500 \u7f51\u6865\uff1a\u6570\u636e\u94fe\u8def\u5c42\u9694\u79bb\" style=\"color:#f6f6f4;display:none\" aria-label=\"\u590d\u5236\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M4.5 12.75l6 6 9-13.5\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M16.5 8.25V6a2.25 2.25 0 00-2.25-2.25H6A2.25 2.25 0 003.75 6v8.25A2.25 2.25 0 006 16.5h2.25m8.25-8.25H18a2.25 2.25 0 012.25 2.25V18A2.25 2.25 0 0118 20.25h-7.5A2.25 2.25 0 018.25 18v-1.5m8.25-8.25h-6a2.25 2.25 0 00-2.25 2.25v6\"><\/path><\/svg><\/span><pre class=\"shiki dracula-soft\" style=\"background-color: #282A36\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #F6F6F4\">\u8ba1\u7b97\u673a\u7f51\u7edc\u901a\u4fe1<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u251c\u2500 \u901a\u4fe1\u65b9\u5411<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u251c\u2500 \u5355\u5de5\u901a\u4fe1\uff1a\u5355\u5411\u4f20\u8f93<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u251c\u2500 \u534a\u53cc\u5de5\u901a\u4fe1\uff1a\u53cc\u5411\u4ea4\u66ff<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u251c\u2500 \u5168\u53cc\u5de5\u901a\u4fe1\uff1a\u53cc\u5411\u540c\u65f6<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2514\u2500 \u5168\/\u5168\u53cc\u5de5\uff1a\u7ec8\u7aef\u540c\u65f6\u6536\u53d1<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u251c\u2500 \u5dee\u9519\u63a7\u5236<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u251c\u2500 \u68c0\u6d4b\u65b9\u6cd5<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2502  \u251c\u2500 \u5197\u4f59\u4f20\u8f93<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2502  \u251c\u2500 \u56de\u4f20\u6821\u9a8c<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2502  \u251c\u2500 \u7cbe\u786e\u8ba1\u6570\u7f16\u7801<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2502  \u251c\u2500 \u5947\u5076\u6821\u9a8c<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2502  \u251c\u2500 \u6821\u9a8c\u548c<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2502  \u2514\u2500 CRC\u6821\u9a8c<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2502<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2514\u2500 \u7ea0\u6b63\u65b9\u6cd5<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502     \u251c\u2500 ARQ\uff08\u81ea\u52a8\u56de\u4f20\uff09<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502     \u2502  \u251c\u2500 \u505c\u6b62\u7b49\u5f85<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502     \u2502  \u2514\u2500 \u8fde\u7eed\u53d1\u9001<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502     \u2514\u2500 FEC\uff08\u524d\u5411\u7ea0\u9519\uff09<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u251c\u2500 \u7f51\u7edc\u62d3\u6251<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u251c\u2500 \u73af\u5f62\u62d3\u6251\uff1a\u5c01\u95ed\u73af\u8def<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u251c\u2500 \u661f\u5f62\u62d3\u6251\uff1a\u4e2d\u592e\u8282\u70b9\u63a7\u5236<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u251c\u2500 \u603b\u7ebf\u62d3\u6251\uff1a\u5355\u4e3b\u5e72\u7535\u7f06<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2514\u2500 \u6811\u5f62\u62d3\u6251\uff1a\u5206\u7ea7\u7ed3\u6784<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u251c\u2500 \u4ecb\u8d28\u8bbf\u95ee\u63a7\u5236<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u251c\u2500 \u4ee4\u724c\u73af<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2502  \u2514\u2500 \u5de5\u4f5c\u539f\u7406\uff1a\u4ee4\u724c\u4f20\u9012\uff0c\u65e0\u51b2\u7a81<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2514\u2500 \u4ee4\u724c\u603b\u7ebf<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502     \u2514\u2500 \u903b\u8f91\u73af\uff0c\u7269\u7406\u4f4d\u7f6e\u65e0\u5173<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u251c\u2500 OSI\u6a21\u578b<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2514\u2500 \u4e03\u5c42\u7ed3\u6784<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502     \u251c\u2500 \u7269\u7406\u5c42<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502     \u251c\u2500 \u6570\u636e\u94fe\u8def\u5c42<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502     \u251c\u2500 \u7f51\u7edc\u5c42<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502     \u251c\u2500 \u4f20\u8f93\u5c42<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502     \u251c\u2500 \u4f1a\u8bdd\u5c42<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502     \u251c\u2500 \u8868\u793a\u5c42<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502     \u2514\u2500 \u5e94\u7528\u5c42<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u251c\u2500 \u590d\u7528\u6280\u672f<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u251c\u2500 \u540c\u6b65\u65f6\u5206\u590d\u7528\uff1a\u56fa\u5b9a\u65f6\u95f4\u7247<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2514\u2500 \u5f02\u6b65\u65f6\u5206\u590d\u7528\uff1a\u52a8\u6001\u5206\u914d<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u251c\u2500 CAN\u603b\u7ebf<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u251c\u2500 \u5e27\u7c7b\u578b<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2502  \u251c\u2500 \u6570\u636e\u5e27\uff1a\u643a\u5e26\u6570\u636e<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2502  \u251c\u2500 \u8fdc\u7a0b\u5e27\uff1a\u8bf7\u6c42\u6570\u636e<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2502  \u251c\u2500 \u9519\u8bef\u5e27\uff1a\u9519\u8bef\u901a\u77e5<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2502  \u2514\u2500 \u8d85\u8f7d\u5e27\uff1a\u5ef6\u8fdf\u63a7\u5236<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2502<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u251c\u2500 \u6570\u636e\u5e27\u7ed3\u6784<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2502  \u251c\u2500 \u5e27\u8d77\u59cb<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2502  \u251c\u2500 \u4ef2\u88c1\u573a\uff08ID+RTR\uff09<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2502  \u251c\u2500 \u63a7\u5236\u573a<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2502  \u251c\u2500 \u6570\u636e\u573a\uff080-8\u5b57\u8282\uff09<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2502  \u251c\u2500 CRC\u573a<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2502  \u251c\u2500 \u5e94\u7b54\u573a<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2502  \u2514\u2500 \u5e27\u7ed3\u675f<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2502<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u251c\u2500 \u9519\u8bef\u7c7b\u578b<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2502  \u251c\u2500 \u4f4d\u9519\u8bef<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2502  \u251c\u2500 \u586b\u5145\u9519\u8bef<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2502  \u251c\u2500 CRC\u9519\u8bef<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2502  \u2514\u2500 \u683c\u5f0f\u9519\u8bef<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2502<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2514\u2500 \u8282\u70b9\u72b6\u6001<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502     \u251c\u2500 \u9519\u8bef\u6fc0\u6d3b<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502     \u251c\u2500 \u9519\u8bef\u8ba4\u53ef<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502     \u2514\u2500 \u603b\u7ebf\u5173\u95ed<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u251c\u2500 PROFIBUS-DP<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u251c\u2500 \u8bbe\u5907\u7c7b\u578b<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2502  \u251c\u2500 1\u7c7b\u4e3b\u7ad9\uff08PLC\/PC\uff09<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2502  \u251c\u2500 2\u7c7b\u4e3b\u7ad9\uff08\u7f16\u7a0b\u5668\uff09<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2502  \u2514\u2500 \u4ece\u7ad9\uff08I\/O\u8bbe\u5907\uff09<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2502<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u251c\u2500 \u5730\u5740\u89c4\u5219<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2502  \u251c\u2500 \u4e3b\u7ad9\u5730\u5740\uff1a1\u5f00\u59cb\u8fde\u7eed<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2502  \u251c\u2500 \u4ece\u7ad9\u5730\u5740\uff1a\u6309\u6bb5\u7f16\u53f7<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2502  \u2514\u2500 \u4fdd\u7559\u5730\u5740\uff1a0\/126\/127<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2502<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2514\u2500 \u5e27\u7ed3\u6784<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502     \u251c\u2500 \u540c\u6b65\u6bb5<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502     \u251c\u2500 \u8d77\u59cb\u6bb5<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502     \u251c\u2500 \u5730\u5740\u6bb5<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502     \u251c\u2500 \u63a7\u5236\u6bb5<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502     \u251c\u2500 \u6570\u636e\u6bb5<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502     \u251c\u2500 \u6821\u9a8c\u6bb5<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502     \u2514\u2500 \u7ed3\u675f\u6bb5<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2514\u2500 \u8865\u5145\u77e5\u8bc6\u70b9<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">   \u251c\u2500 \u4f20\u8f93\u4ecb\u8d28<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">   \u2502  \u251c\u2500 \u53cc\u7ede\u7ebf<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">   \u2502  \u251c\u2500 \u540c\u8f74\u7535\u7f06<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">   \u2502  \u2514\u2500 \u5149\u7ea4<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">   \u2502<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">   \u251c\u2500 \u5173\u952e\u7279\u6027<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">   \u2502  \u251c\u2500 DCS\uff1a\u96c6\u4e2d\u7ba1\u7406\u5206\u6563\u63a7\u5236<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">   \u2502  \u251c\u2500 \u5b89\u5168\u6805\u6280\u672f\uff1a\u80fd\u91cf\u9650\u5236<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">   \u2502  \u2514\u2500 \u975e\u7834\u574f\u6027\u4ef2\u88c1\uff08CAN\uff09<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">   \u2502<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">   \u2514\u2500 \u8bbe\u5907\u529f\u80fd<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">      \u251c\u2500 \u4e2d\u7ee7\u5668\uff1a\u7269\u7406\u5c42\u4fe1\u53f7\u653e\u5927<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">      \u2514\u2500 \u7f51\u6865\uff1a\u6570\u636e\u94fe\u8def\u5c42\u9694\u79bb<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro cbp-has-line-numbers\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;--cbp-line-number-color:#f6f6f4;--cbp-line-number-width:calc(2 * 0.6 * .875rem);line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:flex;align-items:center;padding:10px 0px 10px 16px;margin-bottom:-2px;width:100%;text-align:left;background-color:#333545;color:#ebebe6\">Markdown<\/span><span role=\"button\" tabindex=\"0\" data-code=\"\u8ba1\u7b97\u673a\u7f51\u7edc\u901a\u4fe1\n\u251c\u2500 \u901a\u4fe1\u65b9\u5411\n\u2502\n\u251c\u2500 \u5dee\u9519\u63a7\u5236\n\u2502  \u251c\u2500 \u68c0\u6d4b\u65b9\u6cd5\n\u2502  \u2502\n\u2502  \u2514\u2500 \u7ea0\u6b63\u65b9\u6cd5\n\u2502\n\u251c\u2500 \u7f51\u7edc\u62d3\u6251\n\u2502\n\u251c\u2500 \u4ecb\u8d28\u8bbf\u95ee\u63a7\u5236\n\u2502\n\u251c\u2500 OSI\u6a21\u578b\n\u2502  \u2514\u2500 \u4e03\u5c42\u7ed3\u6784\n\u2502\n\u251c\u2500 \u590d\u7528\u6280\u672f\n\u2502\n\u251c\u2500 CAN\u603b\u7ebf\n\u2502  \u251c\u2500 \u5e27\u7c7b\u578b\n\u2502  \u2502\n\u2502  \u251c\u2500 \u6570\u636e\u5e27\u7ed3\u6784\n\u2502  \u2502\n\u2502  \u251c\u2500 \u9519\u8bef\u7c7b\u578b\n\u2502  \u2502\n\u2502  \u2514\u2500 \u8282\u70b9\u72b6\u6001\n\u2502\n\u251c\u2500 PROFIBUS-DP\n\u2502  \u251c\u2500 \u8bbe\u5907\u7c7b\u578b\n\u2502  \u2502\n\u2502  \u251c\u2500 \u5730\u5740\u89c4\u5219\n\u2502  \u2502\n\u2502  \u2514\u2500 \u5e27\u7ed3\u6784\n\u2502\n\u2514\u2500 \u8865\u5145\u77e5\u8bc6\u70b9\n   \u251c\u2500 \u4f20\u8f93\u4ecb\u8d28\n   \u2502\n   \u251c\u2500 \u5173\u952e\u7279\u6027\n   \u2502\n   \u2514\u2500 \u8bbe\u5907\u529f\u80fd\" style=\"color:#f6f6f4;display:none\" aria-label=\"\u590d\u5236\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M4.5 12.75l6 6 9-13.5\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M16.5 8.25V6a2.25 2.25 0 00-2.25-2.25H6A2.25 2.25 0 003.75 6v8.25A2.25 2.25 0 006 16.5h2.25m8.25-8.25H18a2.25 2.25 0 012.25 2.25V18A2.25 2.25 0 0118 20.25h-7.5A2.25 2.25 0 018.25 18v-1.5m8.25-8.25h-6a2.25 2.25 0 00-2.25 2.25v6\"><\/path><\/svg><\/span><pre class=\"shiki dracula-soft\" style=\"background-color: #282A36\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #F6F6F4\">\u8ba1\u7b97\u673a\u7f51\u7edc\u901a\u4fe1<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u251c\u2500 \u901a\u4fe1\u65b9\u5411<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u251c\u2500 \u5dee\u9519\u63a7\u5236<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u251c\u2500 \u68c0\u6d4b\u65b9\u6cd5<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2502<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2514\u2500 \u7ea0\u6b63\u65b9\u6cd5<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u251c\u2500 \u7f51\u7edc\u62d3\u6251<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u251c\u2500 \u4ecb\u8d28\u8bbf\u95ee\u63a7\u5236<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u251c\u2500 OSI\u6a21\u578b<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2514\u2500 \u4e03\u5c42\u7ed3\u6784<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u251c\u2500 \u590d\u7528\u6280\u672f<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u251c\u2500 CAN\u603b\u7ebf<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u251c\u2500 \u5e27\u7c7b\u578b<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2502<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u251c\u2500 \u6570\u636e\u5e27\u7ed3\u6784<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2502<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u251c\u2500 \u9519\u8bef\u7c7b\u578b<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2502<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2514\u2500 \u8282\u70b9\u72b6\u6001<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u251c\u2500 PROFIBUS-DP<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u251c\u2500 \u8bbe\u5907\u7c7b\u578b<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2502<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u251c\u2500 \u5730\u5740\u89c4\u5219<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2502<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502  \u2514\u2500 \u5e27\u7ed3\u6784<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2502<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">\u2514\u2500 \u8865\u5145\u77e5\u8bc6\u70b9<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">   \u251c\u2500 \u4f20\u8f93\u4ecb\u8d28<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">   \u2502<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">   \u251c\u2500 \u5173\u952e\u7279\u6027<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">   \u2502<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F6F6F4\">   \u2514\u2500 \u8bbe\u5907\u529f\u80fd<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<div data-wp-interactive=\"core\/file\" class=\"wp-block-file\"><object data-wp-bind--hidden=\"!state.hasPdfPreview\" hidden class=\"wp-block-file__embed\" data=\"http:\/\/47.111.133.139\/wp-content\/uploads\/2025\/05\/1748000176-\u5de5\u4e1a\u63a7\u5236\u7f51\u7edc\u6280\u672f-\u77e5\u8bc6\u70b9.pdf\" type=\"application\/pdf\" style=\"width:100%;height:850px\" aria-label=\"\u5d4c\u5165 \u5de5\u4e1a\u63a7\u5236\u7f51\u7edc\u6280\u672f-\u77e5\u8bc6\u70b9\"><\/object><a id=\"wp-block-file--media-44cc857a-52f2-4c96-b1b2-88230b7edcf0\" 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