{"id":59772,"date":"2023-11-01T02:48:41","date_gmt":"2023-10-31T18:48:41","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=59772"},"modified":"2023-11-01T02:48:41","modified_gmt":"2023-10-31T18:48:41","slug":"msm","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/59772.html","title":{"rendered":"Modbus\u662f485\u5417\uff1f"},"content":{"rendered":"

  \u5728\u8ba1\u7b97\u673a\u7f51\u7edc\u4e2d\uff0cModbus\u662f\u4e00\u79cd\u901a\u7528\u7684\u5de5\u4e1a\u63a7\u5236\u7f51\u7edc\u534f\u8bae\uff0c\u5b83\u4e3b\u8981\u7528\u4e8e\u63a7\u5236\u548c\u76d1\u63a7\u5de5\u4e1a\u8bbe\u5907\u3002Modbus\u534f\u8bae\u6709\u591a\u79cd\u4e0d\u540c\u7684\u5b9e\u73b0\u65b9\u5f0f\uff0c\u5176\u4e2d\u6700\u5e38\u89c1\u7684\u662f\u901a\u8fc7RS-485\u63a5\u53e3\u8fdb\u884c\u901a\u4fe1\u3002\u90a3\u4e48\uff0cModbus\u662f485\u5417\uff1f\u672c\u6587\u5c06\u4e3a\u60a8\u89e3\u7b54\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n

Modbus\u534f\u8bae\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n

  Modbus\u534f\u8bae\u662f\u4e00\u79cd\u5de5\u4e1a\u7f51\u7edc\u534f\u8bae\uff0c\u5b83\u7528\u4e8e\u5728\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u4e2d\u4f20\u8f93\u6570\u636e\u3002\u5b83\u7684\u4e3b\u8981\u7279\u70b9\u662f\u7b80\u5355\u3001\u53ef\u9760\u3001\u53ef\u6269\u5c55\uff0c\u80fd\u591f\u652f\u6301\u591a\u79cd\u4e0d\u540c\u7684\u7f51\u7edc\u62d3\u6251\u7ed3\u6784\uff0c\u80fd\u591f\u652f\u6301\u591a\u79cd\u4e0d\u540c\u7684\u7269\u7406\u5c42\u4ecb\u8d28\uff0c\u5982RS-232\u3001RS-485\u548c\u4ee5\u592a\u7f51\u7b49\u3002<\/p>\n

  Modbus\u534f\u8bae\u7684\u5c42\u6b21\u7ed3\u6784<\/h3>\n

  Modbus\u534f\u8bae\u7684\u5c42\u6b21\u7ed3\u6784\u5206\u4e3a\u4e09\u5c42\uff1a\u5e94\u7528\u5c42\u3001\u4f20\u8f93\u5c42\u548c\u7269\u7406\u5c42\u3002\u5e94\u7528\u5c42\u7684\u529f\u80fd\u662f\u5b9a\u4e49\u5e94\u7528\u7a0b\u5e8f\u4e4b\u95f4\u7684\u901a\u4fe1\u89c4\u5219\uff0c\u8d1f\u8d23\u7f16\u7801\u548c\u89e3\u7801\u6570\u636e\uff1b\u4f20\u8f93\u5c42\u7684\u529f\u80fd\u662f\u63d0\u4f9b\u7aef\u5230\u7aef\u7684\u901a\u4fe1\u670d\u52a1\uff0c\u8d1f\u8d23\u6570\u636e\u7684\u53ef\u9760\u4f20\u8f93\uff1b\u7269\u7406\u5c42\u7684\u529f\u80fd\u662f\u5b9a\u4e49\u7269\u7406\u63a5\u53e3\uff0c\u8d1f\u8d23\u6570\u636e\u7684\u7269\u7406\u4f20\u8f93\u3002<\/p>\n

  Modbus\u534f\u8bae\u7684\u7269\u7406\u5c42\u4ecb\u8d28<\/h3>\n

  Modbus\u534f\u8bae\u652f\u6301\u591a\u79cd\u4e0d\u540c\u7684\u7269\u7406\u5c42\u4ecb\u8d28\uff0c\u5176\u4e2d\u6700\u5e38\u89c1\u7684\u662fRS-232\u548cRS-485\u3002RS-232\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u4e32\u884c\u901a\u4fe1\u4ecb\u8d28\uff0c\u5176\u7279\u70b9\u662f\u7b80\u5355\u3001\u4fbf\u5b9c\uff0c\u4f46\u4f20\u8f93\u8ddd\u79bb\u6709\u9650\uff1bRS-485\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u5e76\u884c\u901a\u4fe1\u4ecb\u8d28\uff0c\u5176\u7279\u70b9\u662f\u4f20\u8f93\u8ddd\u79bb\u8fdc\uff0c\u4f46\u6613\u53d7\u5e72\u6270\u3002<\/p>\n

Modbus\u662f485\u5417\uff1f<\/h2>\n

  \u7b54\u6848\u662f\u80af\u5b9a\u7684\uff0cModbus\u534f\u8bae\u53ef\u4ee5\u901a\u8fc7RS-485\u4ecb\u8d28\u8fdb\u884c\u901a\u4fe1\u3002\u4f46\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cModbus\u534f\u8bae\u8fd8\u53ef\u4ee5\u901a\u8fc7\u5176\u4ed6\u4ecb\u8d28\u8fdb\u884c\u901a\u4fe1\uff0c\u5982RS-232\u548c\u4ee5\u592a\u7f51\u7b49\u3002\u56e0\u6b64\uff0cModbus\u4e0d\u4ec5\u4ec5\u662f485\uff0c\u4e5f\u53ef\u4ee5\u662f\u5176\u4ed6\u4ecb\u8d28\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u672c\u6587\u7b80\u8981\u4ecb\u7ecd\u4e86Modbus\u534f\u8bae\u7684\u57fa\u672c\u6982\u5ff5\u3001\u5c42\u6b21\u7ed3\u6784\u548c\u7269\u7406\u5c42\u4ecb\u8d28\uff0c\u5e76\u56de\u7b54\u4e86Modbus\u662f485\u5417\u7684\u95ee\u9898\u3002<\/strong>Modbus\u534f\u8bae\u662f\u4e00\u79cd\u7b80\u5355\u3001\u53ef\u9760\u3001\u53ef\u6269\u5c55\u7684\u5de5\u4e1a\u63a7\u5236\u7f51\u7edc\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u7269\u7406\u5c42\u4ecb\u8d28\u8fdb\u884c\u901a\u4fe1\uff0c\u5176\u4e2d\u6700\u5e38\u89c1\u7684\u662fRS-485\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u5728\u8ba1\u7b97\u673a\u7f51\u7edc\u4e2d\uff0cModbus\u662f\u4e00\u79cd\u901a\u7528\u7684\u5de5\u4e1a\u63a7\u5236\u7f51\u7edc\u534f\u8bae\uff0c\u5b83\u4e3b\u8981\u7528\u4e8e\u63a7\u5236\u548c\u76d1\u63a7\u5de5\u4e1a\u8bbe\u5907\u3002Modbus\u534f\u8bae\u6709\u591a\u79cd\u4e0d\u540c\u7684\u5b9e\u73b0\u65b9\u5f0f\uff0c\u5176\u4e2d\u6700\u5e38\u89c1\u7684\u662f\u901a\u8fc7RS-485\u63a5\u53e3\u8fdb\u884c\u901a\u4fe1\u3002<\/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-59772","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\/59772","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=59772"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/59772\/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=59772"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=59772"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=59772"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}