{"id":61210,"date":"2023-10-27T05:33:45","date_gmt":"2023-10-26T21:33:45","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=61210"},"modified":"2023-10-27T05:33:45","modified_gmt":"2023-10-26T21:33:45","slug":"myqddb","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/61210.html","title":{"rendered":"Modbus vs. Ethernet\uff1a\u4f18\u7f3a\u70b9\u5bf9\u6bd4"},"content":{"rendered":"

  \u968f\u7740\u73b0\u4ee3\u81ea\u52a8\u5316\u6280\u672f\u7684\u53d1\u5c55\uff0cModbus\u548c\u4ee5\u592a\u7f51\u6210\u4e3a\u6700\u53d7\u6b22\u8fce\u7684\u5de5\u4e1a\u7f51\u7edc\u534f\u8bae\u3002\u6bcf\u79cd\u534f\u8bae\u90fd\u6709\u5176\u4f18\u70b9\u548c\u7f3a\u70b9\uff0c\u56e0\u6b64\u5728\u9009\u62e9\u4e00\u79cd\u534f\u8bae\u65f6\uff0c\u5fc5\u987b\u8003\u8651\u4f18\u7f3a\u70b9\u7684\u5bf9\u6bd4\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecdModbus\u548c\u4ee5\u592a\u7f51\u4e4b\u95f4\u7684\u4f18\u7f3a\u70b9\u5bf9\u6bd4\uff0c\u4ee5\u5e2e\u52a9\u8bfb\u8005\u505a\u51fa\u660e\u667a\u7684\u9009\u62e9\u3002<\/p>\n

Modbus\u7684\u4f18\u70b9<\/h2>\n

  \u7b80\u5355\u6613\u7528<\/h3>\n

  Modbus\u662f\u4e00\u79cd\u7b80\u5355\u6613\u7528\u7684\u5de5\u4e1a\u7f51\u7edc\u534f\u8bae\uff0c\u53ef\u4ee5\u901a\u8fc7\u7b80\u5355\u7684\u8bbe\u7f6e\u5b9e\u73b0\u7f51\u7edc\u8fde\u63a5\u3002\u5b83\u53ef\u4ee5\u901a\u8fc7\u4e32\u884c\u6216\u5e76\u884c\u63a5\u53e3\u8fde\u63a5\uff0c\u5e76\u4e14\u53ef\u4ee5\u8fde\u63a5\u591a\u79cd\u8bbe\u5907\uff0c\u5982PLC\u3001DCS\u7b49\u3002\u6b64\u5916\uff0cModbus\u8fd8\u53ef\u4ee5\u63a7\u5236\u591a\u79cd\u7c7b\u578b\u7684\u8bbe\u5907\uff0c\u5982\u5f00\u5173\u3001\u4f20\u611f\u5668\u3001\u7535\u673a\u7b49\u3002<\/p>\n

  \u5b89\u5168\u6027<\/h3>\n

  Modbus\u7684\u5b89\u5168\u6027\u6bd4\u4ee5\u592a\u7f51\u8981\u9ad8\u5f97\u591a\uff0c\u56e0\u4e3a\u5b83\u5177\u6709CRC\u6821\u9a8c\u548cCRC\u6821\u9a8c\u529f\u80fd\uff0c\u53ef\u4ee5\u6709\u6548\u9632\u6b62\u6076\u610f\u653b\u51fb\u548c\u4f20\u8f93\u9519\u8bef\u3002\u6b64\u5916\uff0cModbus\u8fd8\u5177\u6709\u8bbf\u95ee\u6743\u9650\u529f\u80fd\uff0c\u53ef\u4ee5\u9632\u6b62\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\u548c\u8bbf\u95ee\u8bbe\u5907\u7684\u6570\u636e\u3002<\/p>\n

Modbus\u7684\u7f3a\u70b9<\/h2>\n

  \u4f20\u8f93\u901f\u7387<\/h3>\n

  Modbus\u7684\u4f20\u8f93\u901f\u7387\u76f8\u5bf9\u8f83\u4f4e\uff0c\u6700\u9ad8\u53ea\u80fd\u8fbe\u523019200 bps\uff0c\u800c\u4ee5\u592a\u7f51\u7684\u4f20\u8f93\u901f\u7387\u53ef\u4ee5\u8fbe\u5230100 Mbps\u3002\u56e0\u6b64\uff0cModbus\u4f20\u8f93\u7684\u6570\u636e\u91cf\u5c0f\uff0c\u4e0d\u80fd\u6ee1\u8db3\u5927\u91cf\u6570\u636e\u4f20\u8f93\u7684\u9700\u6c42\u3002<\/p>\n

  \u4f20\u8f93\u8ddd\u79bb<\/h3>\n

  Modbus\u7684\u4f20\u8f93\u8ddd\u79bb\u4e5f\u6bd4\u4ee5\u592a\u7f51\u8981\u77ed\uff0c\u6700\u957f\u53ea\u80fd\u8fbe\u52301000\u7c73\uff0c\u800c\u4ee5\u592a\u7f51\u53ef\u4ee5\u8fbe\u5230100\u516c\u91cc\u3002\u6b64\u5916\uff0cModbus\u8fd8\u65e0\u6cd5\u652f\u6301\u591a\u70b9\u8fde\u63a5\uff0c\u800c\u4ee5\u592a\u7f51\u53ef\u4ee5\u652f\u6301\u591a\u70b9\u8fde\u63a5\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u4ece\u4e0a\u6587\u53ef\u4ee5\u770b\u51fa\uff0cModbus\u548c\u4ee5\u592a\u7f51\u5404\u6709\u4f18\u7f3a\u70b9\uff0c\u7528\u6237\u5728\u9009\u62e9\u65f6\u5e94\u8be5\u6839\u636e\u81ea\u8eab\u7684\u5e94\u7528\u9700\u6c42\u6765\u8fdb\u884c\u9009\u62e9\u3002<\/strong>Modbus\u7684\u4f18\u70b9\u662f\u7b80\u5355\u6613\u7528\uff0c\u5b89\u5168\u6027\u9ad8\uff0c\u7f3a\u70b9\u662f\u4f20\u8f93\u901f\u7387\u6162\uff0c\u4f20\u8f93\u8ddd\u79bb\u77ed\u3002\u800c\u4ee5\u592a\u7f51\u7684\u4f18\u70b9\u662f\u4f20\u8f93\u901f\u7387\u5feb\uff0c\u4f20\u8f93\u8ddd\u79bb\u8fdc\uff0c\u7f3a\u70b9\u662f\u5b89\u5168\u6027\u8f83\u4f4e\uff0c\u8bbe\u7f6e\u590d\u6742\u3002\u56e0\u6b64\uff0c\u7528\u6237\u5e94\u8be5\u6839\u636e\u81ea\u8eab\u7684\u5e94\u7528\u9700\u6c42\u6765\u9009\u62e9\u5408\u9002\u7684\u5de5\u4e1a\u7f51\u7edc\u534f\u8bae\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u968f\u7740\u73b0\u4ee3\u81ea\u52a8\u5316\u6280\u672f\u7684\u53d1\u5c55\uff0cModbus\u548c\u4ee5\u592a\u7f51\u6210\u4e3a\u6700\u53d7\u6b22\u8fce\u7684\u5de5\u4e1a\u7f51\u7edc\u534f\u8bae\u3002\u6bcf\u79cd\u534f\u8bae\u90fd\u6709\u5176\u4f18\u70b9\u548c\u7f3a\u70b9\uff0c\u56e0\u6b64\u5728\u9009\u62e9\u4e00\u79cd\u534f\u8bae\u65f6\uff0c\u5fc5\u987b\u8003\u8651\u4f18\u7f3a\u70b9\u7684\u5bf9\u6bd4\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecdModbus<\/p>\n","protected":false},"author":1,"featured_media":1839,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[36],"tags":[78],"class_list":["post-61210","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-m-3"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/61210","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/comments?post=61210"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/61210\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/1839"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=61210"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=61210"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=61210"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}