{"id":79171,"date":"2024-01-13T01:29:24","date_gmt":"2024-01-12T17:29:24","guid":{"rendered":"\/\/www.viralrail.com\/?p=79171"},"modified":"2024-01-13T01:29:24","modified_gmt":"2024-01-12T17:29:24","slug":"mhmbwqb","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/79171.html","title":{"rendered":"Modbus TCP\u548cModbus RTU\u62a5\u6587\u533a\u522b"},"content":{"rendered":"

  Modbus\u662f\u4e00\u79cd\u5e8f\u5217\u901a\u4fe1\u534f\u8bae\uff0c\u7528\u4e8e\u5728\u81ea\u52a8\u5316\u7cfb\u7edf\u4e2d\u4f20\u8f93\u6570\u636e\u3002Modbus TCP\u548cModbus RTU\u662f\u4e24\u79cd\u5e38\u89c1\u7684Modbus\u901a\u4fe1\u65b9\u5f0f\uff0c\u5b83\u4eec\u5728\u5de5\u4e1a\u63a7\u5236\u9886\u57df\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u4eca\u5929\u6211\u4eec\u5c06\u4ecb\u7ecdModbus TCP\u548cModbus RTU\u7684\u533a\u522b\uff0c\u4ee5\u53ca\u5b83\u4eec\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u7279\u70b9\u3002<\/p>\n

Modbus TCP\u62a5\u6587\u7ed3\u6784<\/h2>\n

  Modbus TCP\u662f\u4e00\u79cd\u57fa\u4e8e\u4ee5\u592a\u7f51\u7684Modbus\u901a\u4fe1\u65b9\u5f0f\uff0c\u5b83\u4f7f\u7528TCP\/IP\u534f\u8bae\u8fdb\u884c\u6570\u636e\u4f20\u8f93\uff0c\u9002\u7528\u4e8e\u8f83\u5927\u89c4\u6a21\u7684\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u3002Modbus<\/a> TCP\u62a5\u6587\u7ed3\u6784\u5305\u62ec\u4e86\u56fa\u5b9a\u7684\u5934\u90e8\u548c\u529f\u80fd\u7801\uff0c\u4ee5\u53ca\u64cd\u4f5c\u6570\u7b49\u90e8\u5206\u3002\u5177\u4f53\u7684\u62a5\u6587\u7ed3\u6784\u5982\u4e0b\uff1a<\/p>\n

  Modbus TCP\u62a5\u6587\u5934\u90e8<\/h3>\n

  Modbus TCP\u62a5\u6587\u5934\u90e8\u5305\u62ec\u4e86\u4e8b\u52a1\u6807\u8bc6\uff08Transaction Identifier\uff09\u3001\u534f\u8bae\u6807\u8bc6\uff08Protocol Identifier\uff09\u3001\u957f\u5ea6\uff08Length\uff09\u548c\u5355\u5143\u6807\u8bc6\uff08Unit Identifier\uff09\u3002\u8fd9\u4e9b\u5b57\u6bb5\u7528\u4e8e\u6807\u8bc6\u548c\u7ba1\u7406\u62a5\u6587\u4f20\u8f93\u8fc7\u7a0b\u3002<\/p>\n

  Modbus TCP\u529f\u80fd\u7801<\/h3>\n

  Modbus TCP\u529f\u80fd\u7801\u7528\u4e8e\u5b9a\u4e49\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\u8bfb\u5199\u64cd\u4f5c\uff0c\u5305\u62ec\u8bfb\u53d6\u7ebf\u5708\u3001\u8bfb\u53d6\u8f93\u5165\u79bb\u6563\u91cf\u3001\u8bfb\u53d6\u4fdd\u6301\u5bc4\u5b58\u5668\u548c\u8bfb\u53d6\u8f93\u5165\u5bc4\u5b58\u5668\u7b49\u529f\u80fd\u7801\u3002<\/p>\n

  Modbus TCP\u64cd\u4f5c\u6570<\/h3>\n

  Modbus TCP\u64cd\u4f5c\u6570\u5305\u62ec\u4e86\u5bc4\u5b58\u5668\u5730\u5740\u548c\u5bc4\u5b58\u5668\u6570\u91cf\u7b49\u4fe1\u606f\uff0c\u7528\u4e8e\u6307\u5b9a\u6570\u636e\u7684\u8bfb\u5199\u64cd\u4f5c\u3002<\/p>\n

Modbus RTU\u62a5\u6587\u7ed3\u6784<\/h2>\n

  Modbus RTU\u662f\u4e00\u79cd\u57fa\u4e8e\u4e32\u884c\u901a\u4fe1\u7684Modbus\u901a\u4fe1\u65b9\u5f0f\uff0c\u5b83\u4f7f\u7528RS-232\u6216RS-485\u7b49\u4e32\u884c\u63a5\u53e3\u8fdb\u884c\u6570\u636e\u4f20\u8f93\uff0c\u9002\u7528\u4e8e\u5c0f\u578b\u63a7\u5236\u7cfb\u7edf\u6216\u8fdc\u7a0b\u76d1\u63a7\u8bbe\u5907\u3002Modbus RTU\u62a5\u6587\u7ed3\u6784\u76f8\u5bf9\u7b80\u5355\uff0c\u5305\u62ec\u4e86\u5730\u5740\u7801\u3001\u529f\u80fd\u7801\u3001\u6570\u636e\u548c\u6821\u9a8c\u7b49\u90e8\u5206\u3002<\/p>\n

  Modbus RTU<\/a>\u5730\u5740\u7801\u548c\u529f\u80fd\u7801<\/h3>\n

  Modbus RTU\u62a5\u6587\u4ee5\u5730\u5740\u7801\u548c\u529f\u80fd\u7801\u4f5c\u4e3a\u5f00\u59cb\u6807\u8bc6\uff0c\u5730\u5740\u7801\u7528\u4e8e\u6807\u8bc6\u4ece\u673a\u8bbe\u5907\u5730\u5740\uff0c\u529f\u80fd\u7801\u7528\u4e8e\u6307\u5b9a\u6570\u636e\u8bfb\u5199\u64cd\u4f5c\u7c7b\u578b\u3002<\/p>\n

  Modbus RTU\u6570\u636e\u548c\u6821\u9a8c<\/h3>\n

  Modbus RTU\u62a5\u6587\u5305\u542b\u4e86\u5b9e\u9645\u7684\u64cd\u4f5c\u6570\u636e\u548c\u6821\u9a8c\u4f4d\uff0c\u6821\u9a8c\u4f4d\u901a\u5e38\u91c7\u7528CRC<\/a>\u6821\u9a8c\uff0c\u7528\u4e8e\u68c0\u6d4b\u6570\u636e\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u7684\u9519\u8bef\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u603b\u7684\u6765\u8bf4\uff0cModbus TCP\u548cModbus RTU\u5728\u901a\u4fe1\u65b9\u5f0f\u3001\u62a5\u6587\u7ed3\u6784\u548c\u5e94\u7528\u573a\u666f\u4e0a\u6709\u7740\u660e\u663e\u7684\u533a\u522b\u3002<\/strong>Modbus TCP\u9002\u7528\u4e8e\u5927\u89c4\u6a21\u7cfb\u7edf\uff0c\u4f7f\u7528\u4ee5\u592a\u7f51\u901a\u4fe1\uff0c\u62a5\u6587\u7ed3\u6784\u76f8\u5bf9\u590d\u6742\uff1b\u800cModbus RTU\u9002\u7528\u4e8e\u5c0f\u578b\u7cfb\u7edf\uff0c\u4f7f\u7528\u4e32\u884c\u901a\u4fe1\uff0c\u62a5\u6587\u7ed3\u6784\u76f8\u5bf9\u7b80\u5355\u3002\u5728\u9009\u62e9Modbus\u901a\u4fe1\u65b9\u5f0f\u65f6\uff0c\u9700\u8981\u6839\u636e\u5b9e\u9645\u5e94\u7528\u9700\u6c42\u6765\u8fdb\u884c\u5408\u7406\u7684\u9009\u62e9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

Modbus\u662f\u4e00\u79cd\u5e8f\u5217\u901a\u4fe1\u534f\u8bae\uff0c\u7528\u4e8e\u5728\u81ea\u52a8\u5316\u7cfb\u7edf\u4e2d\u4f20\u8f93\u6570\u636e\u3002ModbusTCP\u548cModbusRTU\u662f\u4e24\u79cd\u5e38\u89c1\u7684Modbus\u901a\u4fe1\u65b9\u5f0f\uff0c\u5b83\u4eec\u5728\u5de5\u4e1a\u63a7\u5236\u9886\u57df\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\u3002<\/p>\n","protected":false},"author":1,"featured_media":64183,"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-79171","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-m-3"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/79171"}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=79171"}],"version-history":[{"count":0,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/79171\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/64183"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=79171"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=79171"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=79171"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}