{"id":8243,"date":"2023-08-05T15:21:34","date_gmt":"2023-08-05T07:21:34","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=8243"},"modified":"2023-08-22T22:37:55","modified_gmt":"2023-08-22T14:37:55","slug":"mrxyjx","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/8243.html","title":{"rendered":"Modbus RTU\u534f\u8bae\u89e3\u6790"},"content":{"rendered":"\n

\u3000\u3000Modbus RTU\u534f\u8bae\u662f\u4e00\u79cd\u901a\u4fe1\u534f\u8bae\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\u9886\u57df\u3002\u5b83\u4ee5\u7b80\u6d01\u9ad8\u6548\u7684\u901a\u4fe1\u65b9\u5f0f\uff0c\u4e3a\u73b0\u4ee3\u5de5\u4e1a\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4ea4\u6362\u63d0\u4f9b\u4e86\u6807\u51c6\u5316\u7684\u89e3\u51b3\u65b9\u6848\u3002\u672c\u6587\u5c06\u6df1\u5165\u89e3\u6790Modbus RTU\u534f\u8bae\u7684\u539f\u7406\u3001\u5e94\u7528\u548c\u5b9e\u73b0\uff0c\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94\u7528\u8fd9\u4e00\u91cd\u8981\u7684\u901a\u4fe1\u534f\u8bae\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001Modbus RTU\u534f\u8bae\u6982\u8ff0<\/h2>\n\n\n\n

\u3000\u3000Modbus RTU\u534f\u8bae\u662fModbus\u534f\u8bae\u7684\u4e00\u79cd\u53d8\u79cd\uff0c\u91c7\u7528\u4e8c\u8fdb\u5236\u7f16\u7801\u683c\u5f0f\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002\u5b83\u57fa\u4e8e\u4e32\u884c\u901a\u4fe1\u65b9\u5f0f\uff0c\u4f7f\u7528RS-485\u6216RS-232\u7b49\u7269\u7406\u5c42\u63a5\u53e3\uff0c\u5b9e\u73b0\u4e86\u8bbe\u5907\u4e4b\u95f4\u7684\u53ef\u9760\u6570\u636e\u4f20\u8f93\u3002Modbus RTU\u534f\u8bae\u5177\u6709\u7b80\u5355\u3001\u5f00\u653e\u3001\u53ef\u9760\u7b49\u7279\u70b9\uff0c\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\u63a7\u5236\u7cfb\u7edf\u4e2d\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001Modbus RTU\u534f\u8bae\u539f\u7406<\/h2>\n\n\n\n

\u3000\u30001. \u5e27\u7ed3\u6784<\/strong>\uff1aModbus RTU\u534f\u8bae\u7684\u901a\u4fe1\u6570\u636e\u4ee5\u5e27\u7684\u5f62\u5f0f\u8fdb\u884c\u4f20\u8f93\uff0c\u5305\u62ec\u8d77\u59cb\u4f4d\u3001\u8bbe\u5907\u5730\u5740\u3001\u529f\u80fd\u7801\u3001\u6570\u636e\u533a\u548c\u6821\u9a8c\u4f4d\u7b49\u5b57\u6bb5\u3002\u5e27\u7ed3\u6784\u6e05\u6670\u7b80\u6d01\uff0c\u4fbf\u4e8e\u89e3\u6790\u548c\u5904\u7406\u3002<\/p>\n\n\n\n

\u3000\u30002. \u8bbe\u5907\u5730\u5740<\/strong>\uff1aModbus RTU\u534f\u8bae\u652f\u6301\u6700\u591a255\u4e2a\u4ece\u8bbe\u5907\uff0c\u6bcf\u4e2a\u8bbe\u5907\u90fd\u6709\u552f\u4e00\u7684\u8bbe\u5907\u5730\u5740\u3002\u4e3b\u8bbe\u5907\u901a\u8fc7\u8bbe\u5907\u5730\u5740\u6765\u8bc6\u522b\u548c\u8bbf\u95ee\u4ece\u8bbe\u5907\u3002<\/p>\n\n\n\n

\u3000\u30003. \u529f\u80fd\u7801<\/strong>\uff1aModbus RTU\u534f\u8bae\u5b9a\u4e49\u4e86\u4e00\u7cfb\u5217\u529f\u80fd\u7801\uff0c\u7528\u4e8e\u5b9e\u73b0\u8bfb\u5199\u6570\u636e\u3001\u63a7\u5236\u8bbe\u5907\u7b49\u64cd\u4f5c\u3002\u5e38\u89c1\u7684\u529f\u80fd\u7801\u5305\u62ec\u8bfb\u53d6\u4fdd\u6301\u5bc4\u5b58\u5668\u3001\u5199\u5165\u5355\u4e2a\u7ebf\u5708\u7b49\u3002<\/p>\n\n\n\n

\u3000\u30004. \u6570\u636e\u533a<\/strong>\uff1aModbus RTU\u534f\u8bae\u4e2d\u7684\u6570\u636e\u901a\u8fc7\u6570\u636e\u533a\u8fdb\u884c\u4f20\u8f93\uff0c\u6570\u636e\u533a\u5305\u62ec\u8f93\u5165\u5bc4\u5b58\u5668\u3001\u4fdd\u6301\u5bc4\u5b58\u5668\u3001\u7ebf\u5708\u548c\u79bb\u6563\u8f93\u5165\u7b49\u3002\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\u533a\u7528\u4e8e\u5b58\u50a8\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\u3002<\/p>\n\n\n\n

\u3000\u30005. \u6821\u9a8c\u4f4d<\/strong>\uff1aModbus RTU\u534f\u8bae\u4f7f\u7528CRC\u6821\u9a8c\u4f4d\u6765\u786e\u4fdd\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u51c6\u786e\u6027\u3002\u63a5\u6536\u65b9\u6839\u636e\u63a5\u6536\u5230\u7684\u6570\u636e\u548c\u6821\u9a8c\u4f4d\u8ba1\u7b97\u6821\u9a8c\u7ed3\u679c\uff0c\u4e0e\u53d1\u9001\u65b9\u53d1\u9001\u7684\u6821\u9a8c\u7ed3\u679c\u8fdb\u884c\u6bd4\u5bf9\uff0c\u4ee5\u5224\u65ad\u6570\u636e\u662f\u5426\u6b63\u786e\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e09\u3001Modbus RTU\u534f\u8bae\u5e94\u7528<\/h2>\n\n\n\n

\u3000\u3000Modbus RTU\u534f\u8bae\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\u9886\u57df\uff0c\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n

\u3000\u30001. \u76d1\u63a7\u4e0e\u63a7\u5236<\/strong>\uff1aModbus RTU\u534f\u8bae\u53ef\u4ee5\u5b9e\u73b0\u5bf9\u5de5\u4e1a\u8bbe\u5907\u7684\u76d1\u63a7\u548c\u63a7\u5236\uff0c\u5982\u8bfb\u53d6\u6e29\u5ea6\u3001\u63a7\u5236\u9600\u95e8\u7b49\u3002\u5b83\u63d0\u4f9b\u4e86\u7b80\u5355\u6613\u7528\u7684\u63a5\u53e3\uff0c\u65b9\u4fbf\u5de5\u7a0b\u5e08\u8fdb\u884c\u8bbe\u5907\u7ba1\u7406\u548c\u7ef4\u62a4\u3002<\/p>\n\n\n\n

\u3000\u30002. \u6570\u636e\u91c7\u96c6\u4e0e\u4f20\u8f93<\/strong>\uff1aModbus RTU\u534f\u8bae\u53ef\u4ee5\u7528\u4e8e\u5b9e\u73b0\u6570\u636e\u91c7\u96c6\u548c\u4f20\u8f93\uff0c\u5c06\u5206\u6563\u7684\u6570\u636e\u96c6\u4e2d\u5230\u4e00\u4e2a\u4e2d\u5fc3\u63a7\u5236\u5668\u4e2d\u3002\u901a\u8fc7\u4f7f\u7528Modbus RTU\u534f\u8bae\uff0c\u5de5\u7a0b\u5e08\u53ef\u4ee5\u5b9e\u73b0\u6570\u636e\u7684\u5b9e\u65f6\u76d1\u6d4b\u548c\u5206\u6790\u3002<\/p>\n\n\n\n

\u3000\u30003. \u8bbe\u5907\u4e92\u8054<\/strong>\uff1aModbus RTU\u534f\u8bae\u53ef\u4ee5\u8fde\u63a5\u4e0d\u540c\u5382\u5bb6\u3001\u4e0d\u540c\u7c7b\u578b\u7684\u8bbe\u5907\uff0c\u5b9e\u73b0\u8bbe\u5907\u4e4b\u95f4\u7684\u4e92\u8054\u4e92\u901a\u3002\u8fd9\u4e3a\u5de5\u7a0b\u5e08\u63d0\u4f9b\u4e86\u66f4\u591a\u7684\u9009\u62e9\u548c\u7075\u6d3b\u6027\uff0c\u4f7f\u5f97\u8bbe\u5907\u7684\u96c6\u6210\u548c\u5347\u7ea7\u66f4\u52a0\u65b9\u4fbf\u3002<\/p>\n\n\n\n

\u3000\u3000\u56db\u3001Modbus RTU\u534f\u8bae\u5b9e\u73b0<\/h2>\n\n\n\n

\u3000\u30001. \u786c\u4ef6\u5b9e\u73b0<\/strong>\uff1aModbus RTU\u534f\u8bae\u7684\u786c\u4ef6\u5b9e\u73b0\u5305\u62ec\u7269\u7406\u5c42\u63a5\u53e3\u548c\u8bbe\u5907\u7535\u8def\u7684\u8bbe\u8ba1\u3002\u5e38\u89c1\u7684\u7269\u7406\u5c42\u63a5\u53e3\u6709RS-485\u548cRS-232\u7b49\uff0c\u8bbe\u5907\u7535\u8def\u7684\u8bbe\u8ba1\u9700\u8981\u8003\u8651\u8bbe\u5907\u5730\u5740\u3001\u6570\u636e\u533a\u548c\u901a\u4fe1\u901f\u7387\u7b49\u56e0\u7d20\u3002<\/p>\n\n\n\n

\u3000\u30002. \u8f6f\u4ef6\u5b9e\u73b0<\/strong>\uff1aModbus RTU\u534f\u8bae\u7684\u8f6f\u4ef6\u5b9e\u73b0\u5305\u62ec\u534f\u8bae\u6808\u7684\u5f00\u53d1\u548c\u9a71\u52a8\u7a0b\u5e8f\u7684\u7f16\u5199\u3002\u5f00\u53d1\u8005\u53ef\u4ee5\u4f7f\u7528\u73b0\u6709\u7684Modbus RTU\u534f\u8bae\u5e93\u6216\u81ea\u884c\u5f00\u53d1\u534f\u8bae\u6808\uff0c\u6839\u636e\u5177\u4f53\u9700\u6c42\u7f16\u5199\u9a71\u52a8\u7a0b\u5e8f\u3002<\/p>\n\n\n\n

\u3000\u30003. \u8c03\u8bd5\u4e0e\u6d4b\u8bd5<\/strong>\uff1a\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5bf9Modbus RTU\u534f\u8bae\u8fdb\u884c\u8c03\u8bd5\u548c\u6d4b\u8bd5\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002\u5f00\u53d1\u8005\u53ef\u4ee5\u4f7f\u7528Modbus\u8c03\u8bd5\u5de5\u5177\u548c\u6a21\u62df\u5668\u7b49\u8f85\u52a9\u5de5\u5177\uff0c\u5bf9\u901a\u4fe1\u8fc7\u7a0b\u8fdb\u884c\u76d1\u6d4b\u548c\u5206\u6790\u3002<\/p>\n\n\n\n

\u3000\u3000\u7ed3\u8bba\uff1a<\/h2>\n\n\n\n

\u3000\u3000Modbus RTU\u534f\u8bae\u4f5c\u4e3a\u4e00\u79cd\u91cd\u8981\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u9886\u57df\u53d1\u6325\u7740\u91cd\u8981\u7684\u4f5c\u7528\u3002\u901a\u8fc7\u6df1\u5165\u4e86\u89e3Modbus RTU\u534f\u8bae\u7684\u539f\u7406\u3001\u5e94\u7528\u548c\u5b9e\u73b0\uff0c\u5de5\u7a0b\u5e08\u53ef\u4ee5\u66f4\u597d\u5730\u5e94\u7528\u548c\u8c03\u8bd5Modbus RTU\u534f\u8bae\uff0c\u63d0\u9ad8\u5de5\u4e1a\u8bbe\u5907\u7684\u7ba1\u7406\u548c\u63a7\u5236\u80fd\u529b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

Modbus RTU\u534f\u8bae\u662f\u4e00\u79cd\u901a\u4fe1\u534f\u8bae\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\u9886\u57df\u3002\u5b83\u4ee5\u7b80\u6d01\u9ad8\u6548\u7684\u901a\u4fe1\u65b9\u5f0f\uff0c\u4e3a\u73b0\u4ee3\u5de5\u4e1a\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4ea4\u6362\u63d0\u4f9b\u4e86\u6807\u51c6\u5316\u7684\u89e3\u51b3\u65b9\u6848\u3002\u672c\u6587\u5c06\u6df1\u5165\u89e3\u6790Modbus RTU\u534f\u8bae\u7684\u539f\u7406\u3001\u5e94\u7528\u548c\u5b9e\u73b0\uff0c\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94\u7528\u8fd9\u4e00\u91cd\u8981\u7684\u901a\u4fe1\u534f\u8bae\u3002<\/p>\n","protected":false},"author":1,"featured_media":4920,"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":[78,64],"class_list":["post-8243","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-m-3","tag-rtu"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/8243","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=8243"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/8243\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/4920"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=8243"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=8243"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=8243"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}