{"id":62333,"date":"2023-10-31T12:32:05","date_gmt":"2023-10-31T04:32:05","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=62333"},"modified":"2023-10-31T12:32:05","modified_gmt":"2023-10-31T04:32:05","slug":"mkyykdjm","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/62333.html","title":{"rendered":"Modbus\u53ef\u4ee5\u4e0e485\u53e3\u5bf9\u63a5\u5417\uff1f"},"content":{"rendered":"

  Modbus\u662f\u4e00\u79cd\u901a\u7528\u7684\u5de5\u4e1a\u63a7\u5236\u7f51\u7edc\uff0c\u5b83\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u4eea\u8868\u3001\u63a7\u5236\u5668\u548c\u5176\u4ed6\u8bbe\u5907\uff0c\u4ee5\u5b9e\u73b0\u6570\u636e\u4ea4\u6362\u548c\u63a7\u5236\u3002Modbus\u901a\u5e38\u4f7f\u7528RS-485\u4f5c\u4e3a\u7269\u7406\u5c42\uff0c\u56e0\u6b64\u53ef\u4ee5\u4e0eRS-485\u53e3\u5bf9\u63a5\u3002<\/p>\n

Modbus\u548cRS-485\u4e4b\u95f4\u7684\u5173\u7cfb<\/h2>\n

  Modbus\u662f\u4e00\u79cd\u901a\u7528\u5de5\u4e1a\u63a7\u5236\u7f51\u7edc\uff0c\u5b83\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u4eea\u8868\u3001\u63a7\u5236\u5668\u548c\u5176\u4ed6\u8bbe\u5907\uff0c\u4ee5\u5b9e\u73b0\u6570\u636e\u4ea4\u6362\u548c\u63a7\u5236\u3002Modbus\u901a\u5e38\u4f7f\u7528RS-485\u4f5c\u4e3a\u7269\u7406\u5c42\uff0c\u56e0\u6b64\u53ef\u4ee5\u4e0eRS-485\u53e3\u5bf9\u63a5\u3002RS-485\u662f\u4e00\u79cd\u7528\u4e8e\u5728\u73b0\u573a\u603b\u7ebf\uff08Fieldbus\uff09\u4e2d\u4f20\u8f93\u6570\u636e\u7684\u6807\u51c6\u3002\u5b83\u4f7f\u7528\u4e00\u79cd\u53cc\u7ede\u7ebf\u7535\u7f06\uff0c\u53ef\u4ee5\u5728\u534a\u53cc\u5de5\u6a21\u5f0f\u4e0b\u4f20\u8f93\u6570\u636e\uff0c\u5e76\u4e14\u53ef\u4ee5\u652f\u6301\u591a\u4e2a\u8bbe\u5907\u8fde\u63a5\u5230\u540c\u4e00\u7f51\u7edc\u4e2d\u3002<\/p>\n

  RS-485\u53e3\u7684\u4f18\u52bf\u5728\u4e8e\u5b83\u53ef\u4ee5\u5b9e\u73b0\u957f\u8ddd\u79bb\u4f20\u8f93\uff0c\u53ef\u4ee5\u652f\u6301\u591a\u4e2a\u8bbe\u5907\u8fde\u63a5\u5230\u540c\u4e00\u7f51\u7edc\uff0c\u5e76\u4e14\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u3002\u56e0\u6b64\uff0cModbus\u53ef\u4ee5\u4f7f\u7528RS-485\u53e3\u8fdb\u884c\u6570\u636e\u4f20\u8f93\uff0c\u4ece\u800c\u5b9e\u73b0\u4e0eRS-485\u53e3\u7684\u5bf9\u63a5\u3002<\/p>\n

Modbus\u53ef\u4ee5\u4e0eRS-485\u53e3\u5bf9\u63a5\u7684\u4f18\u52bf<\/h2>\n

  Modbus\u4e0eRS-485\u53e3\u5bf9\u63a5\u7684\u4f18\u52bf\u5728\u4e8e\uff0c\u5b83\u53ef\u4ee5\u5b9e\u73b0\u957f\u8ddd\u79bb\u4f20\u8f93\uff0c\u53ef\u4ee5\u652f\u6301\u591a\u4e2a\u8bbe\u5907\u8fde\u63a5\u5230\u540c\u4e00\u7f51\u7edc\uff0c\u5e76\u4e14\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u3002\u6b64\u5916\uff0cModbus\u8fd8\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u4e0d\u540c\u7684\u7f51\u7edc\u62d3\u6251\uff0c\u6bd4\u5982\u73af\u5f62\u62d3\u6251\u3001\u661f\u5f62\u62d3\u6251\u548c\u4e3b\u4ece\u62d3\u6251\u7b49\uff0c\u4ece\u800c\u6ee1\u8db3\u4e0d\u540c\u7684\u5e94\u7528\u9700\u6c42\u3002<\/p>\n

  \u6b64\u5916\uff0cModbus\u8fd8\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u4e0d\u540c\u7684\u6570\u636e\u7c7b\u578b\uff0c\u6bd4\u5982\u6570\u5b57\u91cf\u3001\u6a21\u62df\u91cf\u3001\u5355\u5b57\u8282\u6570\u636e\u548c\u591a\u5b57\u8282\u6570\u636e\u7b49\uff0c\u4ece\u800c\u53ef\u4ee5\u6ee1\u8db3\u4e0d\u540c\u7684\u5e94\u7528\u9700\u6c42\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  Modbus\u53ef\u4ee5\u4e0eRS-485\u53e3\u5bf9\u63a5\uff0c\u4ece\u800c\u5b9e\u73b0\u957f\u8ddd\u79bb\u4f20\u8f93\uff0c\u652f\u6301\u591a\u4e2a\u8bbe\u5907\u8fde\u63a5\u5230\u540c\u4e00\u7f51\u7edc\uff0c\u5e76\u4e14\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u3002<\/strong>\u6b64\u5916\uff0cModbus\u8fd8\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u4e0d\u540c\u7684\u7f51\u7edc\u62d3\u6251\u548c\u6570\u636e\u7c7b\u578b\uff0c\u4ece\u800c\u6ee1\u8db3\u4e0d\u540c\u7684\u5e94\u7528\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

Modbus\u662f\u4e00\u79cd\u901a\u7528\u7684\u5de5\u4e1a\u63a7\u5236\u7f51\u7edc\uff0c\u5b83\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u4eea\u8868\u3001\u63a7\u5236\u5668\u548c\u5176\u4ed6\u8bbe\u5907\uff0c\u4ee5\u5b9e\u73b0\u6570\u636e\u4ea4\u6362\u548c\u63a7\u5236\u3002Modbus\u901a\u5e38\u4f7f\u7528RS-485\u4f5c\u4e3a\u7269\u7406\u5c42\uff0c\u56e0\u6b64\u53ef\u4ee5\u4e0eRS-485\u53e3\u5bf9\u63a5<\/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-62333","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\/62333","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=62333"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/62333\/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=62333"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=62333"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=62333"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}