{"id":78971,"date":"2024-01-03T20:48:39","date_gmt":"2024-01-03T12:48:39","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=78971"},"modified":"2024-01-03T20:48:39","modified_gmt":"2024-01-03T12:48:39","slug":"txyl","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/78971.html","title":{"rendered":"232 485 \u901a\u4fe1\u539f\u7406"},"content":{"rendered":"
232 485 \u901a\u4fe1\u539f\u7406\u662f\u6307\u901a\u8fc7RS-232\u548cRS-485\u6807\u51c6\u8fdb\u884c\u6570\u636e\u901a\u4fe1\u7684\u539f\u7406\uff0c\u6d89\u53ca\u4e32\u884c\u901a\u4fe1\u3001\u5e76\u884c\u901a\u4fe1\u3001\u6570\u636e\u683c\u5f0f\u3001\u4fe1\u53f7\u7535\u5e73\u7b49\u65b9\u9762\u7684\u77e5\u8bc6\u3002\u4eca\u5929\u6211\u4eec\u5c06\u4ecb\u7ecd232 485\u901a\u4fe1\u539f\u7406\u7684\u57fa\u7840\u6982\u5ff5\u3001\u5e94\u7528\u573a\u666f\u4ee5\u53ca\u5de5\u4f5c\u539f\u7406\u3002<\/p>\n
RS-232\uff08Recommended Standard 232\uff09\u662f\u4e00\u79cd\u4e32\u884c\u901a\u4fe1\u63a5\u53e3\u6807\u51c6\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u8ba1\u7b97\u673a\u4e0e\u5916\u90e8\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\u3002\u5b83\u4f7f\u7528DB-9\u6216DB-25\u8fde\u63a5\u5668\uff0c\u6db5\u76d6\u4e86\u6570\u636e\u4f20\u8f93\u7684\u591a\u65b9\u9762\u5185\u5bb9\uff0c\u5305\u62ec\u6570\u636e\u4f4d\u3001\u505c\u6b62\u4f4d\u3001\u6821\u9a8c\u4f4d\u7b49\u3002RS-232\u901a\u4fe1\u7684\u7535\u538b\u8303\u56f4\u662f-15V\u81f3+15V\uff0c\u901a\u4fe1\u8ddd\u79bb\u8f83\u77ed\uff0c\u901a\u5e38\u572815\u7c73\u4ee5\u5185\u3002<\/p>\n
RS-232\u901a\u4fe1\u4f7f\u7528\u4e00\u5bf9\u5dee\u5206\u4fe1\u53f7\u8fdb\u884c\u6570\u636e\u4f20\u8f93\uff0c\u5176\u4e2d\u4e00\u6761\u7ebf\u662f\u53d1\u9001\u6570\u636e\u7684\u7ebf\u8def\uff08TX\uff09\uff0c\u53e6\u4e00\u6761\u7ebf\u662f\u63a5\u6536\u6570\u636e\u7684\u7ebf\u8def\uff08RX\uff09\u3002\u901a\u8fc7\u8bbe\u5b9a\u7535\u538b\u548c\u4fe1\u53f7\u7535\u5e73\uff0c\u53d1\u9001\u7aef\u5c06\u6570\u636e\u8f6c\u6362\u4e3a\u7535\u4fe1\u53f7\u53d1\u9001\u81f3\u63a5\u6536\u7aef\uff0c\u63a5\u6536\u7aef\u518d\u6839\u636e\u76f8\u540c\u7684\u6807\u51c6\u8f6c\u6362\u4e3a\u6570\u636e\u3002<\/p>\n
RS-485\u662f\u4e00\u79cd\u591a\u70b9\u3001\u534a\u53cc\u5de5\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\uff0c\u9002\u7528\u4e8e\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u7b49\u591a\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\u3002RS-485\u63a5\u53e3\u4f7f\u7528\u4e24\u6839\u6570\u636e\u7ebf\u548c\u4e00\u4e2a\u5730\u7ebf\u8fdb\u884c\u6570\u636e\u4f20\u8f93\uff0c\u652f\u630132\u4e2a\u8282\u70b9\u4ee5\u4e0a\u7684\u7f51\u7edc\uff0c\u5e76\u4e14\u901a\u4fe1\u8ddd\u79bb\u53ef\u8fbe1200\u7c73\u3002<\/p>\n
RS-485\u91c7\u7528\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\uff0c\u80fd\u591f\u62b5\u5fa1\u5e72\u6270\u548c\u566a\u58f0\uff0c\u9002\u7528\u4e8e\u5de5\u4e1a\u73af\u5883\u4e2d\u957f\u8ddd\u79bb\u901a\u4fe1\u7684\u9700\u6c42\u3002\u53d1\u9001\u7aef\u5c06\u6570\u636e\u8f6c\u6362\u4e3a\u5dee\u5206\u4fe1\u53f7\u53d1\u9001\u81f3\u603b\u7ebf\uff0c\u6240\u6709\u63a5\u6536\u7aef\u90fd\u80fd\u63a5\u6536\u5230\u6b64\u4fe1\u53f7\uff0c\u518d\u8fdb\u884c\u6570\u636e\u89e3\u6790\uff0c\u5b9e\u73b0\u6570\u636e\u901a\u4fe1\u3002<\/p>\n
232 485\u901a\u4fe1\u539f\u7406\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\u3001\u697c\u5b87\u81ea\u63a7\u3001\u5b89\u9632\u76d1\u63a7\u7b49\u9886\u57df\uff0c\u5176\u7a33\u5b9a\u53ef\u9760\u7684\u6570\u636e\u4f20\u8f93\u7279\u6027\u4f7f\u4e4b\u6210\u4e3a\u5404\u79cd\u8bbe\u5907\u4e4b\u95f4\u8fdb\u884c\u4ea4\u4e92\u7684\u9996\u9009\u65b9\u6848\u3002\u5728\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u4e2d\uff0cRS-485\u901a\u4fe1\u5e38\u7528\u4e8e\u4f20\u611f\u5668\u548c\u6267\u884c\u5668\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\uff0c\u800cRS-232\u901a\u4fe1\u5219\u901a\u5e38\u7528\u4e8e\u8fde\u63a5\u8ba1\u7b97\u673a\u548c\u63a7\u5236\u8bbe\u5907\u3002<\/p>\n
232 485\u901a\u4fe1\u539f\u7406\u662f\u73b0\u4ee3\u901a\u4fe1\u9886\u57df\u4e2d\u7684\u91cd\u8981\u6982\u5ff5\uff0c\u6db5\u76d6\u4e86\u4e32\u884c\u901a\u4fe1\u3001\u7535\u5e73\u3001\u5de5\u4f5c\u539f\u7406\u7b49\u591a\u65b9\u9762\u77e5\u8bc6\u3002<\/strong>\u638c\u63e1\u4e86232 485\u901a\u4fe1\u539f\u7406\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94\u7528\u4e8e\u5404\u79cd\u901a\u4fe1\u8bbe\u5907\u548c\u7cfb\u7edf\u4e2d\uff0c\u4ece\u800c\u5b9e\u73b0\u7a33\u5b9a\u3001\u53ef\u9760\u7684\u6570\u636e\u4f20\u8f93\u548c\u4ea4\u4e92\u3002<\/p>\n","protected":false},"excerpt":{"rendered":" 232485\u901a\u4fe1\u539f\u7406\u662f\u6307\u901a\u8fc7RS-232\u548cRS-485\u6807\u51c6\u8fdb\u884c\u6570\u636e\u901a\u4fe1\u7684\u539f\u7406\uff0c\u6d89\u53ca\u4e32\u884c\u901a\u4fe1\u3001\u5e76\u884c\u901a\u4fe1\u3001\u6570\u636e\u683c\u5f0f\u3001\u4fe1\u53f7\u7535\u5e73\u7b49\u65b9\u9762\u7684\u77e5\u8bc6\u3002\u672c\u6587\u5c06\u4ecb\u7ecd232485\u901a\u4fe1\u539f\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":[68],"class_list":["post-78971","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\/78971","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=78971"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/78971\/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=78971"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=78971"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=78971"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}