{"id":43657,"date":"2023-10-02T11:19:21","date_gmt":"2023-10-02T03:19:21","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=43657"},"modified":"2023-10-02T11:19:21","modified_gmt":"2023-10-02T03:19:21","slug":"rjkzmjr","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/43657.html","title":{"rendered":"RS422\u63a5\u53e3\u600e\u4e48\u63a5RS485"},"content":{"rendered":"

  RS422\u548cRS485\u662f\u4e24\u79cd\u5e38\u7528\u7684\u5de5\u4e1a\u7ea7\u901a\u4fe1\u63a5\u53e3\uff0c\u5b83\u4eec\u90fd\u662f\u901a\u4fe1\u63a5\u53e3\u7684\u4e00\u79cd\uff0c\u7528\u4e8e\u5b9e\u73b0\u4e0d\u540c\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\u3002RS422\u63a5\u53e3\u7684\u7279\u5f81\u662f\u56db\u7ebf\u5236\uff0c\u652f\u6301\u534a\u53cc\u5de5\u901a\u4fe1\u6a21\u5f0f\uff0c\u6700\u5927\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe4000\u7c73\uff1b\u800cRS485\u63a5\u53e3\u7684\u7279\u5f81\u662f\u56db\u7ebf\u5236\u6216\u516b\u7ebf\u5236\uff0c\u652f\u6301\u5168\u53cc\u5de5\u901a\u4fe1\u6a21\u5f0f\uff0c\u6700\u5927\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe1200\u7c73\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u8bb2\u89e3RS422\u63a5\u53e3\u5982\u4f55\u63a5RS485\u63a5\u53e3\uff0c\u4ee5\u53ca\u5b83\u4eec\u4e4b\u95f4\u7684\u5dee\u5f02\u3002<\/p>\n

RS422\u63a5\u53e3\u7b80\u4ecb<\/h2>\n

  RS422\u662f\u4e00\u79cd\u4ee5\u592a\u7f51\u63a5\u53e3\uff0c\u5b83\u662f\u4e00\u79cd\u652f\u6301\u534a\u53cc\u5de5\u901a\u4fe1\u6a21\u5f0f\u7684\u56db\u7ebf\u5236\u63a5\u53e3\u3002\u5b83\u652f\u6301\u6700\u5927\u4f20\u8f93\u8ddd\u79bb4000\u7c73\uff0c\u5177\u6709\u826f\u597d\u7684\u963b\u5c3c\u6027\u80fd\u548c\u8f83\u9ad8\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002RS422\u63a5\u53e3\u7684\u4f20\u8f93\u901f\u7387\u53ef\u8fbe10 Mbps\uff0c\u652f\u6301\u591a\u79cd\u6570\u636e\u4f20\u8f93\u534f\u8bae\uff0c\u5982RS-232\u3001RS-485\u3001RS-422\u7b49\u3002<\/p>\n

RS485\u63a5\u53e3\u7b80\u4ecb<\/h2>\n

  RS485\u662f\u4e00\u79cd\u5e38\u7528\u7684\u5de5\u4e1a\u7ea7\u901a\u4fe1\u63a5\u53e3\uff0c\u5b83\u662f\u4e00\u79cd\u652f\u6301\u5168\u53cc\u5de5\u901a\u4fe1\u6a21\u5f0f\u7684\u56db\u7ebf\u5236\u63a5\u53e3\u3002\u5b83\u652f\u6301\u6700\u5927\u4f20\u8f93\u8ddd\u79bb1200\u7c73\uff0c\u5177\u6709\u826f\u597d\u7684\u963b\u5c3c\u6027\u80fd\u548c\u8f83\u9ad8\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002RS485\u63a5\u53e3\u7684\u4f20\u8f93\u901f\u7387\u53ef\u8fbe10 Mbps\uff0c\u652f\u6301\u591a\u79cd\u6570\u636e\u4f20\u8f93\u534f\u8bae\uff0c\u5982RS-232\u3001RS-485\u3001RS-422\u7b49\u3002<\/p>\n

RS422\u63a5\u53e3\u600e\u4e48\u63a5RS485<\/h2>\n

  RS422\u63a5\u53e3\u548cRS485\u63a5\u53e3\u4e4b\u95f4\u7684\u63a5\u53e3\u5dee\u5f02\u5e76\u4e0d\u5927\uff0c\u5b83\u4eec\u90fd\u662f\u56db\u7ebf\u5236\u7684\u63a5\u53e3\uff0c\u53ea\u662fRS485\u63a5\u53e3\u652f\u6301\u5168\u53cc\u5de5\u901a\u4fe1\u6a21\u5f0f\uff0c\u800cRS422\u63a5\u53e3\u652f\u6301\u534a\u53cc\u5de5\u901a\u4fe1\u6a21\u5f0f\u3002\u56e0\u6b64\uff0cRS422\u63a5\u53e3\u53ef\u4ee5\u76f4\u63a5\u63a5RS485\u63a5\u53e3\uff0c\u4f46\u662fRS485\u63a5\u53e3\u4e0d\u80fd\u76f4\u63a5\u63a5RS422\u63a5\u53e3\u3002<\/p>\n

  \u63a5\u53e3\u63a5\u6cd5<\/h3>\n

  RS422\u63a5\u53e3\u548cRS485\u63a5\u53e3\u4e4b\u95f4\u7684\u63a5\u53e3\u63a5\u6cd5\u5982\u4e0b\uff1aRS422\u63a5\u53e3\u7684TX+\u8fde\u63a5RS485\u63a5\u53e3\u7684D+\uff0cTX-\u8fde\u63a5D-\uff0cRX+\u8fde\u63a5R+\uff0cRX-\u8fde\u63a5R-\uff0cGND\u8fde\u63a5GND\u3002<\/p>\n

  \u63a5\u53e3\u9a71\u52a8<\/h3>\n

  RS422\u63a5\u53e3\u548cRS485\u63a5\u53e3\u4e4b\u95f4\u7684\u63a5\u53e3\u9a71\u52a8\u4e5f\u662f\u9700\u8981\u6ce8\u610f\u7684\uff0cRS422\u63a5\u53e3\u652f\u6301\u534a\u53cc\u5de5\u901a\u4fe1\u6a21\u5f0f\uff0c\u56e0\u6b64\u9700\u8981\u4f7f\u7528RS422\u63a5\u53e3\u7684\u9a71\u52a8\u82af\u7247\uff0c\u800cRS485\u63a5\u53e3\u652f\u6301\u5168\u53cc\u5de5\u901a\u4fe1\u6a21\u5f0f\uff0c\u56e0\u6b64\u9700\u8981\u4f7f\u7528RS485\u63a5\u53e3\u7684\u9a71\u52a8\u82af\u7247\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u672c\u6587\u8be6\u7ec6\u8bb2\u89e3\u4e86RS422\u63a5\u53e3\u600e\u4e48\u63a5RS485\u63a5\u53e3\uff0c\u4ee5\u53ca\u5b83\u4eec\u4e4b\u95f4\u7684\u5dee\u5f02\u3002RS422\u63a5\u53e3\u548cRS485\u63a5\u53e3\u4e4b\u95f4\u7684\u63a5\u53e3\u5dee\u5f02\u5e76\u4e0d\u5927\uff0c\u5b83\u4eec\u90fd\u662f\u56db\u7ebf\u5236\u7684\u63a5\u53e3\uff0c\u53ea\u662fRS485\u63a5\u53e3\u652f\u6301\u5168\u53cc\u5de5\u901a\u4fe1\u6a21\u5f0f\uff0c\u800cRS422\u63a5\u53e3\u652f\u6301\u534a\u53cc\u5de5\u901a\u4fe1\u6a21\u5f0f\u3002\u56e0\u6b64\uff0cRS422\u63a5\u53e3\u53ef\u4ee5\u76f4\u63a5\u63a5RS485\u63a5\u53e3\uff0c\u4f46\u662fRS485\u63a5\u53e3\u4e0d\u80fd\u76f4\u63a5\u63a5RS422\u63a5\u53e3\u3002\u6b64\u5916\uff0cRS422\u63a5\u53e3\u548cRS485\u63a5\u53e3\u4e4b\u95f4\u7684\u63a5\u53e3\u63a5\u6cd5\u548c\u63a5\u53e3\u9a71\u52a8\u4e5f\u662f\u9700\u8981\u6ce8\u610f\u7684\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

RS422\u548cRS485\u662f\u4e24\u79cd\u5e38\u7528\u7684\u5de5\u4e1a\u7ea7\u901a\u4fe1\u63a5\u53e3\uff0c\u5b83\u4eec\u90fd\u662f\u901a\u4fe1\u63a5\u53e3\u7684\u4e00\u79cd\uff0c\u7528\u4e8e\u5b9e\u73b0\u4e0d\u540c\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\u3002RS422\u63a5\u53e3\u7684\u7279\u5f81\u662f\u56db\u7ebf\u5236\uff0c\u652f\u6301\u534a\u53cc\u5de5\u901a\u4fe1\u6a21\u5f0f\uff0c\u6700\u5927\u4f20<\/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":[61],"class_list":["post-43657","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\/43657","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=43657"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/43657\/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=43657"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=43657"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=43657"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}