{"id":77691,"date":"2024-01-15T16:38:04","date_gmt":"2024-01-15T08:38:04","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=77691"},"modified":"2024-01-15T16:38:04","modified_gmt":"2024-01-15T08:38:04","slug":"rrhrcy","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/77691.html","title":{"rendered":"RS232\u3001RS422\u548cRS485\u5dee\u5f02"},"content":{"rendered":"

  \u4eca\u5929\u6211\u4eec\u5c06\u4ecb\u7ecdRS232\u3001RS422\u548cRS485\u4e4b\u95f4\u7684\u533a\u522b\uff0c\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u4e86\u89e3\u8fd9\u4e09\u79cd\u901a\u4fe1\u6807\u51c6\u3002<\/p>\n

RS232\u6807\u51c6<\/h2>\n

  RS232\u662f\u4e00\u79cd\u57fa\u4e8e\u70b9\u5bf9\u70b9\u901a\u4fe1<\/a>\u7684\u63a5\u53e3\u6807\u51c6\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u4e2a\u4eba\u7535\u8111\u548c\u5916\u8bbe\u8bbe\u5907\u7684\u8fde\u63a5\u3002\u5176\u6700\u5927\u7279\u70b9\u662f\u4f7f\u7528\u5355\u7aef\u53e3\u8fdb\u884c\u6570\u636e\u4f20\u8f93\uff0c\u9002\u7528\u4e8e\u77ed\u8ddd\u79bb\u901a\u4fe1\uff0c\u901a\u5e38\u572850\u82f1\u5c3a\u4ee5\u5185\u3002RS232\u901a\u4fe1\u4f7f\u7528\u7b80\u5355\uff0c\u4f46\u53d7\u7535\u6c14\u5e72\u6270\u5f71\u54cd\u660e\u663e\u3002<\/p>\n

  RS232\u7684\u6280\u672f\u7ec6\u8282<\/h3>\n

  RS232\u6807\u51c6\u4f7f\u7528\u5168\u53cc\u5de5<\/a>\u901a\u4fe1\uff0c\u6570\u636e\u4f20\u8f93\u901f\u7387\u901a\u5e38\u572820kbps\u52301Mbps\u4e4b\u95f4\u3002\u5b83\u4f7f\u7528+12V\u8868\u793a\u903b\u8f910\uff0c-12V\u8868\u793a\u903b\u8f911\u3002RS232\u8fde\u63a5\u65b9\u5f0f\u5305\u62ecDB9\u548cDB25\u4e24\u79cd\u7c7b\u578b\u3002<\/p>\n

  RS232\u7684\u5e94\u7528\u9886\u57df<\/h4>\n

  RS232\u901a\u5e38\u7528\u4e8e\u4e32\u884c\u8bbe\u5907\u4e4b\u95f4\u7684\u8fde\u63a5\uff0c\u5982\u8c03\u5236\u89e3\u8c03\u5668\u3001\u6253\u5370\u673a\u3001\u6570\u7801\u76f8\u673a\u7b49\u3002<\/p>\n

RS422\u548cRS485\u6807\u51c6<\/h2>\n

  RS422\u548cRS485\u662f\u7528\u4e8e\u957f\u8ddd\u79bb\u548c\u591a\u8bbe\u5907\u901a\u4fe1\u7684\u63a5\u53e3\u6807\u51c6\uff0c\u76f8\u8f83\u4e8eRS232\u66f4\u9002\u7528\u4e8e\u5de5\u4e1a\u73af\u5883\u548c\u8fdc\u8ddd\u79bb\u901a\u4fe1\u3002\u5b83\u4eec\u91c7\u7528\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\uff0c\u80fd\u591f\u62b5\u6297\u5e72\u6270\u548c\u566a\u58f0\uff0c\u9002\u7528\u4e8e1000\u7c73\u4ee5\u4e0a\u7684\u901a\u4fe1\u8ddd\u79bb\u3002<\/p>\n

  RS422\u7684\u7279\u70b9<\/h3>\n

  RS422\u652f\u6301\u591a\u70b9\u901a\u4fe1\uff0c\u4f7f\u7528\u4e00\u5bf9\u4f20\u8f93\u7ebf\u8fdb\u884c\u6570\u636e\u4f20\u8f93\uff0c\u5177\u6709\u8f83\u9ad8\u7684\u4f20\u8f93\u901f\u7387\u548c\u6297\u5e72\u6270\u80fd\u529b\u3002\u5176\u6807\u51c6\u63a8\u8350\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\u4e3a10Mbps\uff0c\u57281000\u7c73\u7684\u8ddd\u79bb\u5185\u53ef\u4ee5\u53ef\u9760\u4f20\u8f93\u6570\u636e\u3002<\/p>\n

  RS485\u7684\u7279\u70b9<\/h4>\n

  RS485\u662f\u4e00\u79cd\u66f4\u5148\u8fdb\u7684\u591a\u70b9\u901a\u4fe1\u6807\u51c6\uff0c\u53ef\u4ee5\u540c\u65f6\u8fde\u63a5\u591a\u4e2a\u8bbe\u5907\u5e76\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002\u5b83\u5177\u6709\u66f4\u5f3a\u7684\u6297\u5e72\u6270\u80fd\u529b\uff0c\u53ef\u5728\u5de5\u4e1a\u63a7\u5236\u548c\u81ea\u52a8\u5316\u7cfb\u7edf\u4e2d\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  RS232\u3001RS422\u548cRS485\u662f\u5e38\u89c1\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\uff0c\u5b83\u4eec\u5404\u81ea\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u901a\u4fe1\u8ddd\u79bb\u548c\u73af\u5883\u3002<\/strong>RS232\u9002\u7528\u4e8e\u77ed\u8ddd\u79bb\u70b9\u5bf9\u70b9<\/a>\u901a\u4fe1\uff0c\u800cRS422\u548cRS485\u66f4\u9002\u7528\u4e8e\u957f\u8ddd\u79bb\u548c\u5de5\u4e1a\u73af\u5883\u4e0b\u7684\u901a\u4fe1\u9700\u6c42\u3002\u4e86\u89e3\u5b83\u4eec\u7684\u533a\u522b\u6709\u52a9\u4e8e\u6211\u4eec\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u9009\u62e9\u5408\u9002\u7684\u901a\u4fe1\u6807\u51c6\uff0c\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u672c\u6587\u5c06\u4ecb\u7ecdRS232\u3001RS422\u548cRS485\u4e4b\u95f4\u7684\u533a\u522b\uff0c\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u4e86\u89e3\u8fd9\u4e09\u79cd\u901a\u4fe1\u6807\u51c6\u3002RS232\u6807\u51c6RS232\u662f\u4e00\u79cd\u57fa\u4e8e\u70b9\u5bf9\u70b9\u901a\u4fe1\u7684\u63a5\u53e3\u6807\u51c6\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u4e2a\u4eba\u7535<\/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-77691","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\/77691","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=77691"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/77691\/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=77691"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=77691"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=77691"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}