{"id":39158,"date":"2023-10-05T08:16:43","date_gmt":"2023-10-05T00:16:43","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=39158"},"modified":"2023-10-05T08:16:43","modified_gmt":"2023-10-05T00:16:43","slug":"dqb","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/39158.html","title":{"rendered":"485 232 422\u7684\u533a\u522b"},"content":{"rendered":"

  485\u3001232\u3001422\u662f\u5de5\u4e1a\u63a7\u5236\u9886\u57df\u4e2d\u7684\u4e09\u79cd\u5e38\u7528\u63a5\u53e3\uff0c\u5b83\u4eec\u90fd\u53ef\u4ee5\u7528\u4e8e\u4e32\u884c\u6570\u636e\u4f20\u8f93\uff0c\u4f46\u662f\u6bcf\u79cd\u63a5\u53e3\u6709\u5176\u72ec\u7279\u7684\u529f\u80fd\u548c\u7279\u70b9\u3002<\/strong>\u672c\u6587\u5c06\u4ece\u786c\u4ef6\u7279\u6027\u3001\u4fe1\u53f7\u7279\u6027\u548c\u5e94\u7528\u9886\u57df\u4e09\u4e2a\u65b9\u9762\u6765\u6bd4\u8f83485\u3001232\u3001422\u4e09\u8005\u7684\u533a\u522b\u3002<\/p>\n

\u786c\u4ef6\u7279\u6027<\/h2>\n

  RS-485<\/h3>\n

  RS-485\u662f\u4e00\u79cd\u4e32\u884c\u901a\u4fe1\u63a5\u53e3\uff0c\u5b83\u4f7f\u7528\u53cc\u7ede\u7ebf\u4f5c\u4e3a\u4f20\u8f93\u4ecb\u8d28\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5355\u7ede\u7ebf\u6216\u8005\u540c\u8f74\u7535\u7f06\u4f5c\u4e3a\u4f20\u8f93\u4ecb\u8d28\u3002\u5b83\u4f7f\u7528\u4e24\u6839\u7ebf\u6765\u4f20\u8f93\u6570\u636e\uff0c\u4e00\u6839\u7ebf\u7528\u4e8e\u53d1\u9001\u6570\u636e\uff0c\u53e6\u4e00\u6839\u7ebf\u7528\u4e8e\u63a5\u6536\u6570\u636e\uff0c\u8fd9\u79cd\u65b9\u5f0f\u79f0\u4e3a\u534a\u53cc\u5de5\u6a21\u5f0f\u3002RS-485\u8fd8\u53ef\u4ee5\u652f\u6301\u591a\u70b9\u8fde\u63a5\uff0c\u53ef\u4ee5\u8fde\u63a5\u591a\u8fbe32\u4e2a\u8bbe\u5907\uff0c\u5e76\u4e14\u6bcf\u4e2a\u8bbe\u5907\u7684\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u52301200\u7c73\u3002<\/p>\n

  RS-232<\/h3>\n

  RS-232\u662f\u4e00\u79cd\u4e32\u884c\u901a\u4fe1\u63a5\u53e3\uff0c\u5b83\u4f7f\u7528\u53cc\u7ede\u7ebf\u4f5c\u4e3a\u4f20\u8f93\u4ecb\u8d28\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5355\u7ede\u7ebf\u6216\u8005\u540c\u8f74\u7535\u7f06\u4f5c\u4e3a\u4f20\u8f93\u4ecb\u8d28\u3002\u5b83\u4f7f\u7528\u4e24\u6839\u7ebf\u6765\u4f20\u8f93\u6570\u636e\uff0c\u4e00\u6839\u7ebf\u7528\u4e8e\u53d1\u9001\u6570\u636e\uff0c\u53e6\u4e00\u6839\u7ebf\u7528\u4e8e\u63a5\u6536\u6570\u636e\uff0c\u8fd9\u79cd\u65b9\u5f0f\u79f0\u4e3a\u534a\u53cc\u5de5\u6a21\u5f0f\u3002RS-232\u7684\u4f20\u8f93\u8ddd\u79bb\u8f83\u77ed\uff0c\u4e00\u822c\u53ea\u80fd\u8fbe\u523050\u7c73\uff0c\u800c\u4e14\u5b83\u53ea\u80fd\u8fde\u63a5\u4e24\u4e2a\u8bbe\u5907\u3002<\/p>\n

  RS-422<\/h3>\n

  RS-422\u662f\u4e00\u79cd\u4e32\u884c\u901a\u4fe1\u63a5\u53e3\uff0c\u5b83\u4f7f\u7528\u53cc\u7ede\u7ebf\u4f5c\u4e3a\u4f20\u8f93\u4ecb\u8d28\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5355\u7ede\u7ebf\u6216\u8005\u540c\u8f74\u7535\u7f06\u4f5c\u4e3a\u4f20\u8f93\u4ecb\u8d28\u3002\u5b83\u4f7f\u7528\u56db\u6839\u7ebf\u6765\u4f20\u8f93\u6570\u636e\uff0c\u5176\u4e2d\u4e24\u6839\u7ebf\u7528\u4e8e\u53d1\u9001\u6570\u636e\uff0c\u53e6\u5916\u4e24\u6839\u7ebf\u7528\u4e8e\u63a5\u6536\u6570\u636e\uff0c\u8fd9\u79cd\u65b9\u5f0f\u79f0\u4e3a\u5168\u53cc\u5de5\u6a21\u5f0f\u3002RS-422\u7684\u4f20\u8f93\u8ddd\u79bb\u8f83\u957f\uff0c\u53ef\u4ee5\u8fbe\u52301200\u7c73\uff0c\u800c\u4e14\u5b83\u53ef\u4ee5\u8fde\u63a5\u591a\u8fbe10\u4e2a\u8bbe\u5907\u3002<\/p>\n

\u4fe1\u53f7\u7279\u6027<\/h2>\n

  RS-485<\/h3>\n

  RS-485\u7684\u4fe1\u53f7\u7279\u6027\u6bd4\u8f83\u7b80\u5355\uff0c\u5b83\u4f7f\u7528\u4e24\u4e2a\u4fe1\u53f7\u7ebf\u6765\u4f20\u8f93\u6570\u636e\uff0c\u4e00\u4e2a\u4fe1\u53f7\u7ebf\u7528\u4e8e\u53d1\u9001\u6570\u636e\uff0c\u53e6\u4e00\u4e2a\u4fe1\u53f7\u7ebf\u7528\u4e8e\u63a5\u6536\u6570\u636e\u3002\u5b83\u4f7f\u7528\u534a\u53cc\u5de5\u6a21\u5f0f\uff0c\u53ef\u4ee5\u652f\u6301\u591a\u70b9\u8fde\u63a5\uff0c\u6700\u591a\u53ef\u4ee5\u8fde\u63a532\u4e2a\u8bbe\u5907\uff0c\u5e76\u4e14\u6bcf\u4e2a\u8bbe\u5907\u7684\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u52301200\u7c73\u3002<\/p>\n

  RS-232<\/h3>\n

  RS-232\u7684\u4fe1\u53f7\u7279\u6027\u6bd4\u8f83\u590d\u6742\uff0c\u5b83\u4f7f\u7528\u4e24\u4e2a\u4fe1\u53f7\u7ebf\u6765\u4f20\u8f93\u6570\u636e\uff0c\u4e00\u4e2a\u4fe1\u53f7\u7ebf\u7528\u4e8e\u53d1\u9001\u6570\u636e\uff0c\u53e6\u4e00\u4e2a\u4fe1\u53f7\u7ebf\u7528\u4e8e\u63a5\u6536\u6570\u636e\u3002\u5b83\u4f7f\u7528\u534a\u53cc\u5de5\u6a21\u5f0f\uff0c\u53ef\u4ee5\u8fde\u63a5\u4e24\u4e2a\u8bbe\u5907\uff0c\u4f46\u4f20\u8f93\u8ddd\u79bb\u6709\u9650\uff0c\u4e00\u822c\u53ea\u80fd\u8fbe\u523050\u7c73\u3002<\/p>\n

  RS-422<\/h3>\n

  RS-422\u7684\u4fe1\u53f7\u7279\u6027\u6bd4\u8f83\u590d\u6742\uff0c\u5b83\u4f7f\u7528\u56db\u4e2a\u4fe1\u53f7\u7ebf\u6765\u4f20\u8f93\u6570\u636e\uff0c\u5176\u4e2d\u4e24\u4e2a\u4fe1\u53f7\u7ebf\u7528\u4e8e\u53d1\u9001\u6570\u636e\uff0c\u53e6\u5916\u4e24\u4e2a\u4fe1\u53f7\u7ebf\u7528\u4e8e\u63a5\u6536\u6570\u636e\u3002\u5b83\u4f7f\u7528\u5168\u53cc\u5de5\u6a21\u5f0f\uff0c\u53ef\u4ee5\u8fde\u63a5\u591a\u8fbe10\u4e2a\u8bbe\u5907\uff0c\u5e76\u4e14\u6bcf\u4e2a\u8bbe\u5907\u7684\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u52301200\u7c73\u3002<\/p>\n

\u5e94\u7528\u9886\u57df<\/h2>\n

  RS-485<\/h3>\n

  RS-485\u901a\u5e38\u7528\u4e8e\u5de5\u4e1a\u63a7\u5236\u9886\u57df\uff0c\u5982\u667a\u80fd\u5bb6\u5c45\u3001\u667a\u80fd\u5b89\u9632\u3001\u5de5\u4e1a\u81ea\u52a8\u5316\u7b49\uff0c\u5b83\u53ef\u4ee5\u652f\u6301\u591a\u70b9\u8fde\u63a5\uff0c\u4f20\u8f93\u8ddd\u79bb\u8f83\u8fdc\uff0c\u662f\u4e00\u79cd\u9ad8\u6027\u80fd\u3001\u9ad8\u53ef\u9760\u6027\u7684\u901a\u4fe1\u63a5\u53e3\u3002<\/p>\n

  RS-232<\/h3>\n

  RS-232\u901a\u5e38\u7528\u4e8e\u4e2a\u4eba\u7535\u8111\u3001\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u3001POS\u7cfb\u7edf\u7b49\uff0c\u5b83\u53ef\u4ee5\u652f\u6301\u53cc\u5411\u901a\u4fe1\uff0c\u4f20\u8f93\u8ddd\u79bb\u8f83\u77ed\uff0c\u662f\u4e00\u79cd\u4f4e\u6210\u672c\u3001\u4f4e\u590d\u6742\u5ea6\u7684\u901a\u4fe1\u63a5\u53e3\u3002<\/p>\n

  RS-422<\/h3>\n

  RS-422\u901a\u5e38\u7528\u4e8e\u5de5\u4e1a\u63a7\u5236\u9886\u57df\uff0c\u5982\u667a\u80fd\u5bb6\u5c45\u3001\u667a\u80fd\u5b89\u9632\u3001\u5de5\u4e1a\u81ea\u52a8\u5316\u7b49\uff0c\u5b83\u53ef\u4ee5\u652f\u6301\u591a\u70b9\u8fde\u63a5\uff0c\u4f20\u8f93\u8ddd\u79bb\u8f83\u8fdc\uff0c\u662f\u4e00\u79cd\u9ad8\u6027\u80fd\u3001\u9ad8\u53ef\u9760\u6027\u7684\u901a\u4fe1\u63a5\u53e3\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  485\u3001232\u3001422\u662f\u5de5\u4e1a\u63a7\u5236\u9886\u57df\u4e2d\u7684\u4e09\u79cd\u5e38\u7528\u63a5\u53e3\uff0c\u5b83\u4eec\u90fd\u53ef\u4ee5\u7528\u4e8e\u4e32\u884c\u6570\u636e\u4f20\u8f93\uff0c\u4f46\u662f\u6bcf\u79cd\u63a5\u53e3\u6709\u5176\u72ec\u7279\u7684\u529f\u80fd\u548c\u7279\u70b9\u3002<\/strong>RS-485\u53ef\u4ee5\u652f\u6301\u591a\u70b9\u8fde\u63a5\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u52301200\u7c73\uff1bRS-232\u53ef\u4ee5\u652f\u6301\u53cc\u5411\u901a\u4fe1\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ea\u80fd\u8fbe\u523050\u7c73\uff1bRS-422\u53ef\u4ee5\u652f\u6301\u591a\u70b9\u8fde\u63a5\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u52301200\u7c73\u3002\u4ece\u5e94\u7528\u9886\u57df\u6765\u770b\uff0cRS-485\u548cRS-422\u901a\u5e38\u7528\u4e8e\u5de5\u4e1a\u63a7\u5236\u9886\u57df\uff0c\u800cRS-232\u5219\u591a\u7528\u4e8e\u4e2a\u4eba\u7535\u8111\u3001\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u3001POS\u7cfb\u7edf\u7b49\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

485\u3001232\u3001422\u662f\u5de5\u4e1a\u63a7\u5236\u9886\u57df\u4e2d\u7684\u4e09\u79cd\u5e38\u7528\u63a5\u53e3\uff0c\u5b83\u4eec\u90fd\u53ef\u4ee5\u7528\u4e8e\u4e32\u884c\u6570\u636e\u4f20\u8f93\uff0c\u4f46\u662f\u6bcf\u79cd\u63a5\u53e3\u6709\u5176\u72ec\u7279\u7684\u529f\u80fd\u548c\u7279\u70b9\u3002\u672c\u6587\u5c06\u4ece\u786c\u4ef6\u7279\u6027\u3001\u4fe1<\/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-39158","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\/39158","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=39158"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/39158\/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=39158"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=39158"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=39158"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}