{"id":39530,"date":"2023-10-02T09:55:43","date_gmt":"2023-10-02T01:55:43","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=39530"},"modified":"2023-10-02T09:55:43","modified_gmt":"2023-10-02T01:55:43","slug":"rhssmys","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/39530.html","title":{"rendered":"RS232\u548c485\u662f\u4ec0\u4e48\u610f\u601d"},"content":{"rendered":"

  RS232\u548c485\u662f\u4e24\u79cd\u7528\u4e8e\u4f20\u8f93\u6570\u636e\u7684\u534f\u8bae\u6807\u51c6\uff0c\u5b83\u4eec\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u8ba1\u7b97\u673a\u548c\u5916\u90e8\u8bbe\u5907\uff0c\u4ee5\u4fbf\u5728\u8fd9\u4e9b\u8bbe\u5907\u4e4b\u95f4\u8fdb\u884c\u6570\u636e\u4ea4\u6362\u3002\u5b83\u4eec\u6709\u7740\u4e0d\u540c\u7684\u7279\u6027\uff0c\u53ef\u4ee5\u6ee1\u8db3\u4e0d\u540c\u7684\u5e94\u7528\u9700\u6c42\uff0c\u56e0\u6b64\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u79cd\u884c\u4e1a\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u89e3\u91caRS232\u548c485\u7684\u6982\u5ff5\uff0c\u7279\u6027\uff0c\u5e94\u7528\uff0c\u4ee5\u53ca\u5b83\u4eec\u4e4b\u95f4\u7684\u533a\u522b\u3002<\/p>\n

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

  RS232\uff08\u4e5f\u88ab\u79f0\u4e3aEIA232\uff09\u662f\u7531\u7f8e\u56fd\u7535\u5b50\u5de5\u4e1a\u534f\u4f1a\uff08EIA\uff09\u5236\u5b9a\u7684\u4e00\u4e2a\u6807\u51c6\uff0c\u7528\u4e8e\u5b9a\u4e49\u7535\u5b50\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4ea4\u6362\u683c\u5f0f\u3002\u5b83\u662f\u4e00\u79cd\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u8ba1\u7b97\u673a\u548c\u5916\u90e8\u8bbe\u5907\uff0c\u4ee5\u4fbf\u5728\u8fd9\u4e9b\u8bbe\u5907\u4e4b\u95f4\u8fdb\u884c\u6570\u636e\u4ea4\u6362\u3002RS232\u53ef\u4ee5\u4f20\u8f93\u5355\u7ebf\u6216\u53cc\u7ebf\u6570\u636e\uff0c\u901a\u8fc7\u4f7f\u7528\u4e00\u4e2a\u6807\u51c6\u768425\u9488\u7535\u7f06\uff0c\u53ef\u4ee5\u5b9e\u73b0\u4e24\u4e2a\u8bbe\u5907\u4e4b\u95f4\u7684\u8fde\u63a5\uff0c\u800c\u4e0d\u9700\u8981\u4efb\u4f55\u5916\u90e8\u7684\u8bbe\u5907\u3002<\/p>\n

  RS232\u7279\u6027<\/h3>\n

  RS232\u5177\u6709\u8bb8\u591a\u7279\u6027\uff0c\u4f7f\u5176\u6210\u4e3a\u4e00\u79cd\u6d41\u884c\u7684\u6570\u636e\u4f20\u8f93\u534f\u8bae\u3002\u5b83\u53ef\u4ee5\u4f20\u8f93\u5355\u7ebf\u6216\u53cc\u7ebf\u6570\u636e\uff0c\u53ef\u4ee5\u652f\u6301\u9ad8\u901f\u4f20\u8f93\uff0c\u6700\u9ad8\u53ef\u8fbe115200 bps\uff0c\u8fdc\u8fdc\u9ad8\u4e8e\u5176\u4ed6\u7c7b\u578b\u7684\u6570\u636e\u4f20\u8f93\u534f\u8bae\uff0c\u800c\u4e14\u8fd8\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u6570\u636e\u4f20\u8f93\u6a21\u5f0f\uff0c\u6bd4\u5982\u5f02\u6b65\u4f20\u8f93\uff0c\u540c\u6b65\u4f20\u8f93\uff0c\u548c\u70b9\u5bf9\u70b9\u4f20\u8f93\u3002\u6b64\u5916\uff0cRS232\u8fd8\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u7c7b\u578b\u7684\u4fe1\u53f7\uff0c\u6bd4\u5982\u63a7\u5236\u4fe1\u53f7\uff0c\u6570\u636e\u4fe1\u53f7\uff0c\u4ee5\u53ca\u9519\u8bef\u68c0\u6d4b\u4fe1\u53f7\u7b49\u3002<\/p>\n

  RS232\u5e94\u7528<\/h3>\n

  RS232\u5728\u6570\u636e\u4f20\u8f93\u9886\u57df\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\uff0c\u5b83\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u5404\u79cd\u5916\u90e8\u8bbe\u5907\uff0c\u5982\u6253\u5370\u673a\uff0c\u7f51\u7edc\u8bbe\u5907\uff0c\u4e32\u53e3\u8bbe\u5907\uff0c\u6444\u50cf\u5934\u7b49\u3002\u5b83\u4e5f\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\uff0c\u7535\u529b\u7cfb\u7edf\uff0c\u4ee5\u53ca\u5b89\u5168\u7cfb\u7edf\u7b49\u884c\u4e1a\u3002<\/p>\n

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

  RS485\u662f\u7531\u7f8e\u56fd\u7535\u5b50\u5de5\u4e1a\u534f\u4f1a\uff08EIA\uff09\u5236\u5b9a\u7684\u4e00\u4e2a\u6807\u51c6\uff0c\u7528\u4e8e\u5b9a\u4e49\u7535\u5b50\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4ea4\u6362\u683c\u5f0f\u3002\u5b83\u662f\u4e00\u79cd\u5e7f\u6cdb\u4f7f\u7528\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u8ba1\u7b97\u673a\u548c\u5916\u90e8\u8bbe\u5907\uff0c\u4ee5\u4fbf\u5728\u8fd9\u4e9b\u8bbe\u5907\u4e4b\u95f4\u8fdb\u884c\u6570\u636e\u4ea4\u6362\u3002RS485\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e2a\u6807\u51c6\u76849\u9488\u7535\u7f06\uff0c\u5b9e\u73b0\u4e24\u4e2a\u8bbe\u5907\u4e4b\u95f4\u7684\u8fde\u63a5\uff0c\u800c\u4e0d\u9700\u8981\u4efb\u4f55\u5916\u90e8\u7684\u8bbe\u5907\u3002<\/p>\n

  485\u7279\u6027<\/h3>\n

  RS485\u5177\u6709\u8bb8\u591a\u7279\u6027\uff0c\u4f7f\u5176\u6210\u4e3a\u4e00\u79cd\u6d41\u884c\u7684\u6570\u636e\u4f20\u8f93\u534f\u8bae\u3002\u5b83\u53ef\u4ee5\u4f20\u8f93\u5355\u7ebf\u6216\u53cc\u7ebf\u6570\u636e\uff0c\u53ef\u4ee5\u652f\u6301\u9ad8\u901f\u4f20\u8f93\uff0c\u6700\u9ad8\u53ef\u8fbe10 Mbps\uff0c\u8fdc\u8fdc\u9ad8\u4e8e\u5176\u4ed6\u7c7b\u578b\u7684\u6570\u636e\u4f20\u8f93\u534f\u8bae\uff0c\u800c\u4e14\u8fd8\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u6570\u636e\u4f20\u8f93\u6a21\u5f0f\uff0c\u6bd4\u5982\u5f02\u6b65\u4f20\u8f93\uff0c\u540c\u6b65\u4f20\u8f93\uff0c\u548c\u70b9\u5bf9\u70b9\u4f20\u8f93\u3002\u6b64\u5916\uff0cRS485\u8fd8\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u7c7b\u578b\u7684\u4fe1\u53f7\uff0c\u6bd4\u5982\u63a7\u5236\u4fe1\u53f7\uff0c\u6570\u636e\u4fe1\u53f7\uff0c\u4ee5\u53ca\u9519\u8bef\u68c0\u6d4b\u4fe1\u53f7\u7b49\u3002<\/p>\n

  485\u5e94\u7528<\/h3>\n

  RS485\u5728\u6570\u636e\u4f20\u8f93\u9886\u57df\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\uff0c\u5b83\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u5404\u79cd\u5916\u90e8\u8bbe\u5907\uff0c\u5982\u6253\u5370\u673a\uff0c\u7f51\u7edc\u8bbe\u5907\uff0c\u4e32\u53e3\u8bbe\u5907\uff0c\u6444\u50cf\u5934\u7b49\u3002\u5b83\u4e5f\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\uff0c\u7535\u529b\u7cfb\u7edf\uff0c\u4ee5\u53ca\u5b89\u5168\u7cfb\u7edf\u7b49\u884c\u4e1a\u3002<\/p>\n

RS232\u548c485\u7684\u533a\u522b<\/h2>\n

  RS232\u548c485\u662f\u4e24\u79cd\u5e38\u7528\u7684\u6570\u636e\u4f20\u8f93\u534f\u8bae\uff0c\u5b83\u4eec\u90fd\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u8ba1\u7b97\u673a\u548c\u5916\u90e8\u8bbe\u5907\uff0c\u4ee5\u4fbf\u5728\u8fd9\u4e9b\u8bbe\u5907\u4e4b\u95f4\u8fdb\u884c\u6570\u636e\u4ea4\u6362\u3002\u4f46\u5b83\u4eec\u4e4b\u95f4\u4e5f\u5b58\u5728\u4e00\u4e9b\u660e\u663e\u7684\u5dee\u5f02\uff0c\u6bd4\u5982RS232\u53ef\u4ee5\u652f\u6301\u6700\u9ad8115200 bps\u7684\u4f20\u8f93\u901f\u7387\uff0c\u800cRS485\u53ef\u4ee5\u652f\u6301\u6700\u9ad810 Mbps\u7684\u4f20\u8f93\u901f\u7387\uff1bRS232\u53ef\u4ee5\u4f7f\u752825\u9488\u7535\u7f06\u8fdb\u884c\u8fde\u63a5\uff0c\u800cRS485\u53ef\u4ee5\u4f7f\u75289\u9488\u7535\u7f06\u8fdb\u884c\u8fde\u63a5\uff1bRS232\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u6570\u636e\u4f20\u8f93\u6a21\u5f0f\uff0c\u800cRS485\u53ea\u80fd\u652f\u6301\u5f02\u6b65\u4f20\u8f93\u6a21\u5f0f\u3002<\/p>\n

  \u603b\u4e4b\uff0cRS232\u548c485\u662f\u4e24\u79cd\u5e38\u7528\u7684\u6570\u636e\u4f20\u8f93\u534f\u8bae\uff0c\u5b83\u4eec\u90fd\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u8ba1\u7b97\u673a\u548c\u5916\u90e8\u8bbe\u5907\uff0c\u4ee5\u4fbf\u5728\u8fd9\u4e9b\u8bbe\u5907\u4e4b\u95f4\u8fdb\u884c\u6570\u636e\u4ea4\u6362\u3002<\/strong>\u4f46\u5b83\u4eec\u4e4b\u95f4\u4e5f\u5b58\u5728\u4e00\u4e9b\u660e\u663e\u7684\u5dee\u5f02\uff0c\u56e0\u6b64\u5728\u4f7f\u7528\u65f6\u9700\u8981\u6839\u636e\u5177\u4f53\u7684\u5e94\u7528\u9700\u6c42\u6765\u9009\u62e9\u5408\u9002\u7684\u534f\u8bae\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

RS232\u548c485\u662f\u4e24\u79cd\u7528\u4e8e\u4f20\u8f93\u6570\u636e\u7684\u534f\u8bae\u6807\u51c6\uff0c\u5b83\u4eec\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u8ba1\u7b97\u673a\u548c\u5916\u90e8\u8bbe\u5907\uff0c\u4ee5\u4fbf\u5728\u8fd9\u4e9b\u8bbe\u5907\u4e4b\u95f4\u8fdb\u884c\u6570\u636e\u4ea4\u6362\u3002\u5b83\u4eec\u6709\u7740\u4e0d\u540c\u7684\u7279\u6027\uff0c\u53ef\u4ee5\u6ee1\u8db3\u4e0d\u540c\u7684\u5e94\u7528\u9700\u6c42\uff0c\u56e0\u6b64\u88ab\u5e7f\u6cdb\u5e94<\/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":[68],"class_list":["post-39530","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-r-3"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/39530","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=39530"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/39530\/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=39530"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=39530"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=39530"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}