{"id":78024,"date":"2023-12-30T20:57:34","date_gmt":"2023-12-30T12:57:34","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=78024"},"modified":"2023-12-30T20:57:34","modified_gmt":"2023-12-30T12:57:34","slug":"ljrckxjf","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/78024.html","title":{"rendered":"\u4e86\u89e3RS485\u4e32\u53e3\u7ebf\u63a5\u6cd5"},"content":{"rendered":"

  RS485\u4e32\u53e3\u7ebf\u63a5\u6cd5\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u901a\u4fe1\u63a5\u53e3\u6807\u51c6\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u3001\u81ea\u52a8\u5316\u8bbe\u5907\u548c\u6570\u636e\u91c7\u96c6\u8bbe\u5907\u4e2d\u3002\u4eca\u5929\u6211\u4eec\u5c06\u4ecb\u7ecdRS485<\/a>\u4e32\u53e3\u7ebf\u63a5\u6cd5\u7684\u539f\u7406\u3001\u4f18\u52bf\u4ee5\u53ca\u5b9e\u9645\u5e94\u7528\uff0c\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u8fd0\u7528\u8fd9\u4e00\u6280\u672f\u3002<\/p>\n

RS485\u4e32\u53e3\u7ebf\u63a5\u6cd5\u539f\u7406<\/h2>\n

  RS485\u662f\u4e00\u79cd\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u91c7\u7528\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\u65b9\u5f0f\uff0c\u5728\u6570\u636e\u4f20\u8f93\u8ddd\u79bb\u3001\u6570\u636e\u4f20\u8f93\u901f\u7387<\/a>\u4ee5\u53ca\u6297\u5e72\u6270\u80fd\u529b\u65b9\u9762\u5177\u6709\u4f18\u52bf\u3002\u4f20\u7edf\u7684RS232<\/a>\u63a5\u53e3\u53ea\u80fd\u5b9e\u73b0\u5355\u70b9\u901a\u4fe1\uff0c\u800cRS485\u63a5\u53e3\u53ef\u4ee5\u5b9e\u73b0\u591a\u70b9\u901a\u4fe1\uff0c\u56e0\u6b64\u5728\u5de5\u4e1a\u63a7\u5236\u9886\u57df\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528\u3002RS485\u901a\u4fe1\u91c7\u7528\u4e24\u6839\u6570\u636e\u7ebf\uff08A\u3001B\uff09\u3001\u4e00\u6839\u5730\u7ebf\uff0c\u901a\u8fc7\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\uff0c\u5b9e\u73b0\u4e86\u6570\u636e\u7684\u7a33\u5b9a\u53ef\u9760\u4f20\u8f93\u3002<\/p>\n

  \u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\u539f\u7406<\/h3>\n

  \u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\u662f\u901a\u8fc7\u4e24\u6761\u4fe1\u53f7\u7ebf\uff0c\u5206\u522b\u4f20\u8f93\u6570\u636e\u7684\u6b63\u8d1f\u4fe1\u53f7\u3002\u5728RS485\u901a\u4fe1\u4e2d\uff0cA\u7ebf\uff08\u975e\u53cd\u8f6c\u4fe1\u53f7\uff09\u548cB\u7ebf\uff08\u53cd\u8f6c\u4fe1\u53f7\uff09\u4e4b\u95f4\u7684\u7535\u538b\u5dee\u8868\u793a\u4f20\u8f93\u7684\u6570\u636e\u4fe1\u606f\uff0c\u56e0\u6b64\u7cfb\u7edf\u53ef\u4ee5\u5728\u566a\u58f0\u73af\u5883\u4e2d\u66f4\u597d\u5730\u62b5\u6297\u5e72\u6270\u3002<\/p>\n

  \u7ec8\u7aef\u7535\u963b\u7684\u8bbe\u7f6e<\/h3>\n

  \u5728RS485\u901a\u4fe1\u4e2d\uff0c\u7ec8\u7aef\u7535\u963b\u7684\u8bbe\u7f6e\u975e\u5e38\u91cd\u8981\u3002\u7ec8\u7aef\u7535\u963b\u7684\u4f5c\u7528\u662f\u5e73\u8861\u4fe1\u53f7\u7ebf\u4e0a\u7684\u4fe1\u53f7\uff0c\u9632\u6b62\u4fe1\u53f7\u56de\u6ce2\u548c\u5e72\u6270\uff0c\u5728RS485\u7f51\u7edc\u7684\u4e24\u7aef\u5206\u522b\u8fde\u63a5120\u03a9\u7684\u7ec8\u7aef\u7535\u963b\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u9ad8\u901a\u4fe1\u8d28\u91cf\u3002<\/p>\n

RS485\u4e32\u53e3\u7ebf\u63a5\u6cd5\u7684\u5e94\u7528<\/h2>\n

  RS485\u4e32\u53e3\u7ebf\u63a5\u6cd5\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u3001\u697c\u5b87\u81ea\u63a7\u3001\u667a\u80fd\u4ea4\u901a\u7b49\u9886\u57df\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u4f8b\u5982\uff0c\u5728\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u4e2d\uff0c\u4f20\u611f\u5668\u3001\u6267\u884c\u5668\u3001PLC\u7b49\u8bbe\u5907\u5e38\u5e38\u91c7\u7528RS485\u63a5\u53e3\u8fdb\u884c\u901a\u4fe1\uff0c\u5b9e\u73b0\u6570\u636e\u91c7\u96c6\u3001\u63a7\u5236\u547d\u4ee4\u4f20\u8f93\u7b49\u529f\u80fd\u3002\u53e6\u5916\uff0c\u5728\u5efa\u7b51\u667a\u80fd\u5316\u7cfb\u7edf\u4e2d\uff0cRS485\u63a5\u53e3\u4e5f\u5e38\u7528\u4e8e\u63a7\u5236\u7cfb\u7edf\u4e4b\u95f4\u7684\u901a\u4fe1\u4ea4\u4e92\u3002<\/p>\n

  \u5de5\u4e1a\u81ea\u52a8\u5316\u5e94\u7528<\/h3>\n

  \u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u7cfb\u7edf\u4e2d\uff0cRS485\u901a\u4fe1\u63a5\u53e3\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u7c7b\u4f20\u611f\u5668\u548c\u6267\u884c\u5668\u7684\u6570\u636e\u91c7\u96c6\u548c\u63a7\u5236\u6307\u4ee4\u4f20\u8f93\u3002\u5b83\u53ef\u4ee5\u652f\u6301\u957f\u8ddd\u79bb\u4f20\u8f93\u548c\u591a\u8bbe\u5907\u901a\u4fe1\uff0c\u4e3a\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u7684\u7a33\u5b9a\u8fd0\u884c\u63d0\u4f9b\u4e86\u53ef\u9760\u7684\u901a\u4fe1\u57fa\u7840\u3002<\/p>\n

  \u697c\u5b87\u81ea\u63a7\u5e94\u7528<\/h3>\n

  \u5728\u697c\u5b87\u81ea\u63a7\u7cfb\u7edf\u4e2d\uff0cRS485\u4e32\u53e3\u7ebf\u63a5\u6cd5\u88ab\u7528\u4e8e\u5b9e\u73b0\u4e0d\u540c\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4ea4\u4e92\uff0c\u4f8b\u5982\u7a7a\u8c03\u7cfb\u7edf\u3001\u7167\u660e\u63a7\u5236\u7cfb\u7edf\u3001\u5b89\u9632\u7cfb\u7edf\u7b49\u3002\u901a\u8fc7RS485\u901a\u4fe1\uff0c\u8fd9\u4e9b\u8bbe\u5907\u53ef\u4ee5\u5b9e\u73b0\u4fe1\u606f\u5171\u4eab\u548c\u534f\u540c\u5de5\u4f5c\uff0c\u63d0\u9ad8\u4e86\u697c\u5b87\u81ea\u63a7\u7cfb\u7edf\u7684\u6574\u4f53\u6548\u7387\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  RS485\u4e32\u53e3\u7ebf\u63a5\u6cd5\u662f\u4e00\u79cd\u5177\u6709\u5e7f\u6cdb\u5e94\u7528\u524d\u666f\u7684\u901a\u4fe1\u63a5\u53e3\u6807\u51c6\uff0c\u5b83\u5177\u6709\u6297\u5e72\u6270\u80fd\u529b\u5f3a\u3001\u4f20\u8f93\u8ddd\u79bb\u8fdc\u3001\u4f20\u8f93\u901f\u7387\u5feb\u7b49\u4f18\u52bf\uff0c\u9002\u7528\u4e8e\u5de5\u4e1a\u63a7\u5236\u3001\u697c\u5b87\u81ea\u63a7\u3001\u667a\u80fd\u4ea4\u901a\u7b49\u9886\u57df\u3002<\/strong>\u4e86\u89e3RS485\u4e32\u53e3\u7ebf\u63a5\u6cd5\u7684\u539f\u7406\u548c\u5e94\u7528\u573a\u666f\uff0c\u5bf9\u4e8e\u5de5\u7a0b\u5e08\u548c\u6280\u672f\u4eba\u5458\u6765\u8bf4\u81f3\u5173\u91cd\u8981\uff0c\u76f8\u4fe1\u901a\u8fc7\u672c\u6587\u7684\u4ecb\u7ecd\uff0c\u8bfb\u8005\u5bf9RS485\u4e32\u53e3\u7ebf\u63a5\u6cd5\u6709\u4e86\u66f4\u6df1\u5165\u7684\u7406\u89e3\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

RS485\u4e32\u53e3\u7ebf\u63a5\u6cd5\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u901a\u4fe1\u63a5\u53e3\u6807\u51c6\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u3001\u81ea\u52a8\u5316\u8bbe\u5907\u548c\u6570\u636e\u91c7\u96c6\u8bbe\u5907\u4e2d\u3002\u672c\u6587\u5c06\u4ecb\u7ecdRS485\u4e32\u53e3\u7ebf\u63a5\u6cd5\u7684\u539f\u7406\u3001\u4f18\u52bf\u4ee5\u53ca\u5b9e\u9645\u5e94\u7528\uff0c\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406<\/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":[61],"class_list":["post-78024","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-r"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/78024","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=78024"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/78024\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/64183"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=78024"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=78024"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=78024"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}