{"id":44203,"date":"2023-10-02T11:54:43","date_gmt":"2023-10-02T03:54:43","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=44203"},"modified":"2023-10-02T11:54:43","modified_gmt":"2023-10-02T03:54:43","slug":"mxyyzgxdgywltxfs","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/44203.html","title":{"rendered":"Modbus485\u534f\u8bae\uff1a\u4e00\u79cd\u9ad8\u6548\u7684\u5de5\u4e1a\u7f51\u7edc\u901a\u4fe1\u65b9\u5f0f"},"content":{"rendered":"

  Modbus485\u534f\u8bae\u662f\u4e00\u79cd\u5e38\u7528\u7684\u5de5\u4e1a\u7f51\u7edc\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u4e13\u95e8\u4e3a\u5de5\u4e1a\u81ea\u52a8\u5316\u63a7\u5236\u548c\u76d1\u63a7\u800c\u8bbe\u8ba1\u3002\u5b83\u80fd\u591f\u4e3a\u5404\u79cd\u8bbe\u5907\u63d0\u4f9b\u9ad8\u6548\u7684\u6570\u636e\u4f20\u8f93\uff0c\u5e2e\u52a9\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u5b9e\u73b0\u7cbe\u786e\u7684\u63a7\u5236\u3002\u672c\u6587\u5c06\u4ecb\u7ecdModbus485\u534f\u8bae\u7684\u5de5\u4f5c\u539f\u7406\uff0c\u4ee5\u53ca\u5b83\u7684\u4f18\u52bf\u548c\u5e94\u7528\u573a\u666f\u3002<\/p>\n

Modbus485\u534f\u8bae\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n

  Modbus485\u534f\u8bae\u662f\u4e00\u79cd\u57fa\u4e8e\u4e32\u884c\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u4f7f\u7528\u4e24\u79cd\u4e0d\u540c\u7684\u4ecb\u8d28\u6765\u4f20\u8f93\u6570\u636e\uff1aRS-485\u548cRS-232\u3002RS-485\u662f\u4e00\u79cd\u5e7f\u6cdb\u4f7f\u7528\u7684\u4e32\u884c\u901a\u4fe1\u63a5\u53e3\uff0c\u5b83\u53ef\u4ee5\u5b9e\u73b0\u8fdc\u8ddd\u79bb\u7684\u6570\u636e\u4f20\u8f93\uff0c\u6700\u957f\u652f\u63011200\u7c73\u7684\u4f20\u8f93\u8ddd\u79bb\u3002RS-232\u662f\u4e00\u79cd\u5e38\u7528\u7684\u4e32\u884c\u63a5\u53e3\uff0c\u53ef\u4ee5\u5b9e\u73b0\u77ed\u8ddd\u79bb\u7684\u6570\u636e\u4f20\u8f93\uff0c\u6700\u957f\u652f\u630150\u7c73\u7684\u4f20\u8f93\u8ddd\u79bb\u3002<\/p>\n

  Modbus485\u534f\u8bae\u7684\u5de5\u4f5c\u539f\u7406\u662f\uff0c\u5728\u7f51\u7edc\u4e2d\u7684\u8bbe\u5907\u4e4b\u95f4\uff0c\u901a\u8fc7RS-485\u6216RS-232\u63a5\u53e3\u8fdb\u884c\u6570\u636e\u4f20\u8f93\uff0c\u4e00\u53f0\u8bbe\u5907\u4f5c\u4e3a\u4e3b\u673a\uff0c\u5176\u4ed6\u8bbe\u5907\u4f5c\u4e3a\u4ece\u673a\uff0c\u4e3b\u673a\u53ef\u4ee5\u901a\u8fc7\u4e00\u5b9a\u7684\u6307\u4ee4\u6765\u63a7\u5236\u4ece\u673a\u7684\u884c\u4e3a\uff0c\u4ece\u673a\u4e5f\u53ef\u4ee5\u5411\u4e3b\u673a\u53d1\u9001\u6570\u636e\uff0c\u4ece\u800c\u5b9e\u73b0\u7f51\u7edc\u7684\u63a7\u5236\u548c\u76d1\u63a7\u3002<\/p>\n

Modbus485\u534f\u8bae\u7684\u4f18\u52bf<\/h2>\n

  1.\u7b80\u5355\u6613\u7528<\/h3>\n

  Modbus485\u534f\u8bae\u975e\u5e38\u7b80\u5355\u6613\u7528\uff0c\u5b83\u53ea\u9700\u8981\u4e00\u6761\u7ebf\u8def\u5c31\u53ef\u4ee5\u5b9e\u73b0\u6570\u636e\u4f20\u8f93\uff0c\u800c\u4e14\u5b83\u7684\u6307\u4ee4\u4e5f\u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u8981\u4e00\u4e2a\u5b57\u8282\u5c31\u53ef\u4ee5\u8868\u793a\u4e00\u4e2a\u6307\u4ee4\uff0c\u56e0\u6b64\u53ef\u4ee5\u5927\u5927\u7b80\u5316\u7cfb\u7edf\u7684\u8bbe\u8ba1\u3002<\/p>\n

  2.\u9ad8\u6548\u7387<\/h3>\n

  Modbus485\u534f\u8bae\u5177\u6709\u975e\u5e38\u9ad8\u7684\u4f20\u8f93\u901f\u7387\uff0c\u5b83\u53ef\u4ee5\u652f\u6301\u6700\u9ad8\u8fbe115200bps\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u56e0\u6b64\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u7cfb\u7edf\u7684\u4f20\u8f93\u6548\u7387\u3002<\/p>\n

  3.\u5b89\u5168\u53ef\u9760<\/h3>\n

  Modbus485\u534f\u8bae\u53ef\u4ee5\u63d0\u4f9b\u826f\u597d\u7684\u5b89\u5168\u6027\uff0c\u5b83\u53ef\u4ee5\u901a\u8fc7CRC\u6821\u9a8c\u6765\u786e\u4fdd\u6570\u636e\u7684\u5b8c\u6574\u6027\uff0c\u4ece\u800c\u907f\u514d\u88ab\u7be1\u6539\u6216\u4e22\u5931\u7684\u98ce\u9669\u3002\u6b64\u5916\uff0cModbus485\u534f\u8bae\u8fd8\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u5bc6\u7801\u6765\u4fdd\u62a4\u7cfb\u7edf\uff0c\u4ece\u800c\u9632\u6b62\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\u3002<\/p>\n

Modbus485\u534f\u8bae\u7684\u5e94\u7528\u573a\u666f<\/h2>\n

  Modbus485\u534f\u8bae\u53ef\u4ee5\u5e94\u7528\u4e8e\u5404\u79cd\u5de5\u4e1a\u81ea\u52a8\u5316\u63a7\u5236\u7cfb\u7edf\uff0c\u5982\u667a\u80fd\u5bb6\u5c45\u7cfb\u7edf\u3001\u697c\u5b87\u81ea\u52a8\u5316\u7cfb\u7edf\u3001\u667a\u80fd\u4ea4\u901a\u7cfb\u7edf\u7b49\u3002\u6b64\u5916\uff0c\u5b83\u8fd8\u53ef\u4ee5\u5e94\u7528\u4e8e\u7269\u8054\u7f51\u7cfb\u7edf\uff0c\u5b9e\u73b0\u4e0d\u540c\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\u548c\u63a7\u5236\uff0c\u4ece\u800c\u5b9e\u73b0\u667a\u80fd\u63a7\u5236\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  Modbus485\u534f\u8bae\u662f\u4e00\u79cd\u5e38\u7528\u7684\u5de5\u4e1a\u7f51\u7edc\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u4e3a\u5404\u79cd\u8bbe\u5907\u63d0\u4f9b\u9ad8\u6548\u7684\u6570\u636e\u4f20\u8f93\uff0c\u5e2e\u52a9\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u5b9e\u73b0\u7cbe\u786e\u7684\u63a7\u5236\u3002<\/strong>Modbus485\u534f\u8bae\u5177\u6709\u7b80\u5355\u6613\u7528\u3001\u9ad8\u6548\u7387\u3001\u5b89\u5168\u53ef\u9760\u7684\u7279\u70b9\uff0c\u53ef\u4ee5\u5e94\u7528\u4e8e\u5404\u79cd\u5de5\u4e1a\u81ea\u52a8\u5316\u63a7\u5236\u7cfb\u7edf\uff0c\u4ee5\u53ca\u7269\u8054\u7f51\u7cfb\u7edf\uff0c\u5b9e\u73b0\u667a\u80fd\u63a7\u5236\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

Modbus485\u534f\u8bae\u662f\u4e00\u79cd\u5e38\u7528\u7684\u5de5\u4e1a\u7f51\u7edc\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u4e13\u95e8\u4e3a\u5de5\u4e1a\u81ea\u52a8\u5316\u63a7\u5236\u548c\u76d1\u63a7\u800c\u8bbe\u8ba1\u3002\u5b83\u80fd\u591f\u4e3a\u5404\u79cd\u8bbe\u5907\u63d0\u4f9b\u9ad8\u6548\u7684\u6570\u636e\u4f20\u8f93\uff0c\u5e2e\u52a9\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u5b9e\u73b0\u7cbe\u786e\u7684\u63a7\u5236\u3002\u672c\u6587\u5c06\u4ecb\u7ecdMo<\/p>\n","protected":false},"author":1,"featured_media":4132,"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-44203","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\/44203","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=44203"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/44203\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/4132"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=44203"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=44203"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=44203"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}