{"id":43545,"date":"2023-10-01T01:57:56","date_gmt":"2023-09-30T17:57:56","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=43545"},"modified":"2023-10-01T01:57:56","modified_gmt":"2023-09-30T17:57:56","slug":"rhrdqb-10","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/43545.html","title":{"rendered":"RS232\u548cRS485\u7684\u533a\u522b"},"content":{"rendered":"

  RS232\u548cRS485\u662f\u4e24\u79cd\u4e0d\u540c\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u4eec\u6709\u7740\u663e\u8457\u7684\u5dee\u5f02\uff0c\u53ef\u4ee5\u6ee1\u8db3\u4e0d\u540c\u7684\u9700\u6c42\u3002<\/strong>\u672c\u6587\u5c06\u5e2e\u52a9\u60a8\u4e86\u89e3\u8fd9\u4e24\u79cd\u534f\u8bae\u7684\u533a\u522b\uff0c\u4ee5\u4fbf\u60a8\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u7684\u5e94\u7528\u9700\u8981\u9009\u62e9\u5408\u9002\u7684\u534f\u8bae\u3002<\/p>\n

RS232\u4ecb\u7ecd<\/h2>\n

  RS232\u662f\u4e00\u79cd\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u4f7f\u7528\u4e00\u6839\u5355\u7ebf\u6765\u4f20\u8f93\u6570\u636e\uff0c\u53ef\u4ee5\u5728\u77ed\u8ddd\u79bb\u5185\u4f20\u8f93\u6570\u636e\uff0c\u4e00\u822c\u6700\u957f\u53ef\u8fbe50\u7c73\u3002\u5b83\u7684\u4f20\u8f93\u901f\u7387\u8f83\u4f4e\uff0c\u6700\u9ad8\u53ef\u8fbe115200bps\uff0c\u5e76\u4e14\u5b83\u7684\u4f20\u8f93\u6570\u636e\u91cf\u4e5f\u8f83\u5c0f\uff0c\u6700\u591a\u53ef\u4f20\u8f93256\u5b57\u8282\u7684\u6570\u636e\u3002RS232\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5PC\u673a\u548c\u5916\u56f4\u8bbe\u5907\uff0c\u5982\u6253\u5370\u673a\u3001\u8c03\u5236\u89e3\u8c03\u5668\u3001\u4e32\u53e3\u952e\u76d8\u7b49\u3002<\/p>\n

RS485\u4ecb\u7ecd<\/h2>\n

  RS485\u662f\u4e00\u79cd\u6bd4RS232\u66f4\u5148\u8fdb\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u4f7f\u7528\u4e24\u6839\u7ebf\u6765\u4f20\u8f93\u6570\u636e\uff0c\u53ef\u4ee5\u4f20\u8f93\u66f4\u591a\u7684\u6570\u636e\uff0c\u6700\u9ad8\u53ef\u8fbe115200bps\uff0c\u5e76\u4e14\u53ef\u4ee5\u4f20\u8f93\u66f4\u957f\u7684\u8ddd\u79bb\uff0c\u6700\u957f\u53ef\u8fbe1200\u7c73\u3002RS485\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u591a\u53f0PC\u673a\u6216\u5916\u56f4\u8bbe\u5907\uff0c\u5982PLC\u63a7\u5236\u7cfb\u7edf\u3001\u73b0\u573a\u603b\u7ebf\u7cfb\u7edf\u7b49\u3002<\/p>\n

RS232\u548cRS485\u7684\u533a\u522b<\/h2>\n

  \u4f20\u8f93\u8ddd\u79bb<\/h3>\n

  RS232\u53ea\u80fd\u5728\u77ed\u8ddd\u79bb\u5185\u4f20\u8f93\u6570\u636e\uff0c\u6700\u957f\u53ef\u8fbe50\u7c73\uff0c\u800cRS485\u53ef\u4ee5\u4f20\u8f93\u66f4\u957f\u7684\u8ddd\u79bb\uff0c\u6700\u957f\u53ef\u8fbe1200\u7c73\u3002\u56e0\u6b64\uff0cRS485\u66f4\u9002\u5408\u5728\u8f83\u8fdc\u7684\u8ddd\u79bb\u4f20\u8f93\u6570\u636e\u3002<\/p>\n

  \u4f20\u8f93\u901f\u7387<\/h3>\n

  RS232\u548cRS485\u7684\u4f20\u8f93\u901f\u7387\u90fd\u53ef\u4ee5\u8fbe\u5230115200bps\uff0c\u4f46RS485\u53ef\u4ee5\u652f\u6301\u66f4\u9ad8\u901f\u7387\uff0c\u6700\u9ad8\u53ef\u8fbe2Mbps\u3002\u56e0\u6b64\uff0cRS485\u66f4\u9002\u5408\u9ad8\u901f\u4f20\u8f93\u6570\u636e\u7684\u5e94\u7528\u3002<\/p>\n

  \u4f20\u8f93\u6570\u636e\u91cf<\/h3>\n

  RS232\u53ef\u4ee5\u4f20\u8f93256\u5b57\u8282\u7684\u6570\u636e\uff0c\u800cRS485\u53ef\u4ee5\u4f20\u8f93\u66f4\u591a\u7684\u6570\u636e\uff0c\u6700\u591a\u53ef\u4f20\u8f934KB\u7684\u6570\u636e\u3002\u56e0\u6b64\uff0cRS485\u66f4\u9002\u5408\u4f20\u8f93\u5927\u91cf\u6570\u636e\u7684\u5e94\u7528\u3002<\/p>\n

  \u4f20\u8f93\u7ebf\u8def<\/h3>\n

  RS232\u53ea\u9700\u8981\u4e00\u6839\u7ebf\u5c31\u53ef\u4ee5\u4f20\u8f93\u6570\u636e\uff0c\u800cRS485\u9700\u8981\u4e24\u6839\u7ebf\u6765\u4f20\u8f93\u6570\u636e\uff0c\u8fd9\u4e24\u6839\u7ebf\u5206\u522b\u4e3a\u6570\u636e\u7ebf\u548c\u5730\u7ebf\uff0c\u6570\u636e\u7ebf\u7528\u4e8e\u4f20\u8f93\u6570\u636e\uff0c\u5730\u7ebf\u7528\u4e8e\u63a5\u5730\u3002\u56e0\u6b64\uff0cRS485\u66f4\u9002\u5408\u4f20\u8f93\u591a\u7ebf\u7a0b\u6570\u636e\u7684\u5e94\u7528\u3002<\/p>\n

  \u603b\u7ed3<\/h3>\n

  RS232\u548cRS485\u662f\u4e24\u79cd\u4e0d\u540c\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u4eec\u6709\u7740\u663e\u8457\u7684\u5dee\u5f02\uff0c\u53ef\u4ee5\u6ee1\u8db3\u4e0d\u540c\u7684\u9700\u6c42\u3002<\/strong>RS232\u53ea\u80fd\u5728\u77ed\u8ddd\u79bb\u5185\u4f20\u8f93\u6570\u636e\uff0c\u6700\u957f\u53ef\u8fbe50\u7c73\uff0c\u800cRS485\u53ef\u4ee5\u4f20\u8f93\u66f4\u957f\u7684\u8ddd\u79bb\uff0c\u6700\u957f\u53ef\u8fbe1200\u7c73\u3002RS232\u53ef\u4ee5\u4f20\u8f93256\u5b57\u8282\u7684\u6570\u636e\uff0c\u800cRS485\u53ef\u4ee5\u4f20\u8f93\u66f4\u591a\u7684\u6570\u636e\uff0c\u6700\u591a\u53ef\u4f20\u8f934KB\u7684\u6570\u636e\u3002RS232\u53ea\u9700\u8981\u4e00\u6839\u7ebf\u5c31\u53ef\u4ee5\u4f20\u8f93\u6570\u636e\uff0c\u800cRS485\u9700\u8981\u4e24\u6839\u7ebf\u6765\u4f20\u8f93\u6570\u636e\u3002\u56e0\u6b64\uff0c\u5728\u9009\u62e9\u901a\u4fe1\u534f\u8bae\u65f6\uff0c\u5e94\u6839\u636e\u81ea\u5df1\u7684\u5e94\u7528\u9700\u8981\uff0c\u9009\u62e9\u5408\u9002\u7684\u534f\u8bae\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

RS232\u548cRS485\u662f\u4e24\u79cd\u4e0d\u540c\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u4eec\u6709\u7740\u663e\u8457\u7684\u5dee\u5f02\uff0c\u53ef\u4ee5\u6ee1\u8db3\u4e0d\u540c\u7684\u9700\u6c42\u3002\u672c\u6587\u5c06\u5e2e\u52a9\u60a8\u4e86\u89e3\u8fd9\u4e24\u79cd\u534f\u8bae\u7684\u533a\u522b\uff0c\u4ee5\u4fbf\u60a8\u53ef\u4ee5\u6839\u636e\u81ea\u5df1<\/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":[61],"class_list":["post-43545","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\/43545","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=43545"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/43545\/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=43545"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=43545"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=43545"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}