RS-232\u3001RS-422\u548cRS-485\u662f\u5e38\u89c1\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\uff0c\u5728\u5de5\u4e1a\u63a7\u5236\u3001\u901a\u8baf\u8bbe\u5907\u7b49\u9886\u57df\u6709\u7740\u91cd\u8981\u4f5c\u7528\u3002\u4eca\u5929\u6211\u4eec\u5c06\u4ecb\u7ecd\u5b83\u4eec\u7684\u7279\u70b9\u3001\u533a\u522b\u4ee5\u53ca\u5e94\u7528\u573a\u666f\u3002<\/p>\n
RS-232\uff08Recommended Standard 232\uff09\u662f\u6700\u65e9\u51fa\u73b0\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\u4e4b\u4e00\uff0c\u5e38\u7528\u4e8e\u8fde\u63a5\u4e2a\u4eba\u7535\u8111\u548c\u5916\u90e8\u8bbe\u5907\uff0c\u5982\u8c03\u5236\u89e3\u8c03\u5668\u3001\u6253\u5370\u673a\u7b49\u3002RS-232\u901a\u4fe1\u4f7f\u7528\u8f83\u7b80\u5355\u7684\u5355\u7aef\u53e3\u4e32\u884c\u901a\u4fe1\u65b9\u5f0f\uff0c\u9002\u7528\u4e8e\u77ed\u8ddd\u79bb\u901a\u4fe1\u548c\u8f83\u4f4e\u901f\u5ea6\u7684\u6570\u636e\u4f20\u8f93\u3002<\/p>\n
RS-232\u4f7f\u7528\u5355\u7aef\u53e3\u901a\u4fe1\u65b9\u5f0f\uff0c\u4f20\u8f93\u8ddd\u79bb\u8f83\u77ed\uff0c\u4e00\u822c\u572815\u7c73\u5de6\u53f3\uff1b\u901a\u4fe1\u901f\u7387\u4e00\u822c\u5728115.2 kbit\/s\u4ee5\u5185\uff1b\u4fe1\u53f7\u7535\u538b\u8303\u56f4\u4e3a-15V\u81f3+15V\u3002<\/p>\n
RS-232\u901a\u5e38\u7528\u4e8e\u8fde\u63a5\u4e2a\u4eba\u7535\u8111\u548c\u5916\u56f4\u8bbe\u5907\uff0c\u5982\u6253\u5370\u673a\u3001\u8c03\u5236\u89e3\u8c03\u5668\u3001\u952e\u76d8\u7b49\u3002\u7136\u800c\uff0c\u968f\u7740\u901a\u4fe1\u9700\u6c42\u7684\u589e\u52a0\uff0c\u4e00\u4e9b\u5e94\u7528\u573a\u666f\u9700\u8981\u66f4\u5feb\u901f\u3001\u957f\u8ddd\u79bb\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\u3002<\/p>\n
RS-422\u548cRS-485\u662f\u5728RS-232\u7684\u57fa\u7840\u4e0a\u53d1\u5c55\u8d77\u6765\u7684\u6807\u51c6\uff0c\u5176\u63d0\u4f9b\u4e86\u66f4\u9ad8\u901f\u3001\u66f4\u957f\u8ddd\u79bb\u7684\u4e32\u884c\u901a\u4fe1\u80fd\u529b\u3002\u4e24\u8005\u5728\u5de5\u4e1a\u63a7\u5236\u3001\u4eea\u8868\u3001\u81ea\u52a8\u5316\u9886\u57df\u5e94\u7528\u5e7f\u6cdb\u3002<\/p>\n
RS-422\u662f\u4e00\u79cd\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\u6807\u51c6\uff0c\u91c7\u7528\u56db\u7ebf\u5168\u53cc\u5de5\u901a\u4fe1\u65b9\u5f0f\u3002\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe1200\u7c73\uff0c\u901a\u4fe1\u901f\u7387\u9ad8\u8fbe10 Mbit\/s\uff1b\u6297\u5e72\u6270\u80fd\u529b\u5f3a\uff0c\u9002\u7528\u4e8e\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u7b49\u5e94\u7528\u573a\u666f\u3002<\/p>\n
RS-485\u4e5f\u662f\u4e00\u79cd\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\u6807\u51c6\uff0c\u652f\u6301\u591a\u70b9\u901a\u4fe1\uff0c\u9002\u7528\u4e8e\u591a\u4e2a\u8bbe\u5907\u5b9e\u73b0\u6570\u636e\u4f20\u8f93\u3002\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe1200\u7c73\uff0c\u901a\u4fe1\u901f\u7387\u9ad8\u8fbe10 Mbit\/s\uff1b\u9002\u7528\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\u63a7\u5236\u3001\u6570\u636e\u91c7\u96c6\u7b49\u5e94\u7528\u3002<\/p>\n
RS-422\u548cRS-485\u5728\u901a\u4fe1\u65b9\u5f0f\u3001\u4f20\u8f93\u8ddd\u79bb\u548c\u591a\u70b9\u8fde\u63a5\u80fd\u529b\u4e0a\u6709\u6240\u4e0d\u540c\u3002RS-422\u901a\u5e38\u7528\u4e8e\u70b9\u5bf9\u70b9\u8fde\u63a5\uff0c\u800cRS-485\u652f\u6301\u591a\u70b9\u8fde\u63a5\uff1bRS-422\u901a\u4fe1\u8ddd\u79bb\u548c\u901f\u7387\u76f8\u5bf9\u8f83\u9ad8\uff0c\u4f46RS-485\u652f\u6301\u66f4\u591a\u7684\u8bbe\u5907\u540c\u65f6\u5de5\u4f5c\u3002<\/p>\n
RS-232\u3001RS-422\u548cRS-485\u90fd\u662f\u4e32\u884c\u901a\u4fe1\u6807\u51c6\uff0c\u5728\u4e0d\u540c\u7684\u573a\u666f\u4e0b\u6709\u7740\u5404\u81ea\u7684\u4f18\u52bf\u548c\u5e94\u7528\u3002<\/strong>\u9009\u62e9\u5408\u9002\u7684\u6807\u51c6\u53d6\u51b3\u4e8e\u901a\u4fe1\u8ddd\u79bb\u3001\u901f\u7387\u4ee5\u53ca\u8fde\u63a5\u8bbe\u5907\u4e2a\u6570\u7684\u9700\u6c42\u3002\u5728\u5de5\u4e1a\u63a7\u5236\u3001\u81ea\u52a8\u5316\u7cfb\u7edf\u4e2d\uff0c\u5408\u7406\u9009\u62e9\u8fd9\u4e9b\u6807\u51c6\u53ef\u4ee5\u66f4\u597d\u5730\u6ee1\u8db3\u901a\u4fe1\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
RS-232\u3001RS-422\u548cRS-485\u662f\u5e38\u89c1\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\uff0c\u5728\u5de5\u4e1a\u63a7\u5236\u3001\u901a\u8baf\u8bbe\u5907\u7b49\u9886\u57df\u6709\u7740\u91cd\u8981\u4f5c\u7528\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5b83\u4eec\u7684\u7279\u70b9\u3001\u533a\u522b\u4ee5\u53ca\u5e94\u7528\u573a\u666f\u3002RS-232\u4e32\u884c\u901a\u4fe1\u6807\u51c6<\/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],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/78895"}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=78895"}],"version-history":[{"count":0,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/78895\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/64183"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=78895"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=78895"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=78895"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}