{"id":78291,"date":"2024-01-15T04:09:33","date_gmt":"2024-01-14T20:09:33","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=78291"},"modified":"2024-01-15T04:09:33","modified_gmt":"2024-01-14T20:09:33","slug":"ckrysmqb","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/78291.html","title":{"rendered":"\u4e32\u53e3 RS-485\/RS-422 \u6709\u4ec0\u4e48\u533a\u522b\uff1f"},"content":{"rendered":"

  \u672c\u6587\u5c06\u63a2\u8ba8\u4e32\u53e3 RS-485 \u548c RS-422 \u7684\u533a\u522b\uff0c\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u8fd9\u4e24\u79cd\u4e32\u53e3\u7c7b\u578b\u7684\u7279\u6027\u548c\u9002\u7528\u573a\u666f\u3002<\/p>\n

RS-485 \u4e0e RS-422 \u7684\u901a\u4fe1\u539f\u7406<\/h2>\n

  RS-485 \u548c RS-422 \u90fd\u662f\u5dee\u5206\u901a\u4fe1\u6807\u51c6\uff0c\u5b83\u4eec\u91c7\u7528\u4e24\u6839\u4fe1\u53f7\u7ebf (A \u548c B) \u4ee5\u53ca\u4e00\u4e2a\u5171\u5730\u7ebf\u5b9e\u73b0\u6570\u636e\u4f20\u8f93\u3002RS-485 \u652f\u6301\u591a\u70b9\u901a\u4fe1\uff0c\u800c RS-422 \u4ec5\u652f\u6301\u70b9\u5bf9\u70b9\u901a\u4fe1\u3002\u8fd9\u4e24\u79cd\u6807\u51c6\u90fd\u5177\u6709\u6297\u5e72\u6270\u80fd\u529b\u5f3a\u3001\u4f20\u8f93\u8ddd\u79bb\u8fdc\u7b49\u7279\u70b9\u3002<\/p>\n

  RS-485\u7684\u5de5\u4f5c\u539f\u7406<\/h3>\n

  RS-485\u4f7f\u7528\u4e00\u4e2a\u9a71\u52a8\u5668\u548c\u591a\u4e2a\u63a5\u6536\u5668\uff0c\u591a\u70b9\u901a\u4fe1\u65f6\u9a71\u52a8\u5668\u9700\u8981\u5177\u5907\u9ad8\u9a71\u52a8\u80fd\u529b\uff0c\u80fd\u591f\u652f\u6301\u591a\u4e2a\u63a5\u6536\u5668\u540c\u65f6\u63a5\u6536\u4fe1\u53f7\u3002<\/p>\n

  RS-422\u7684\u5de5\u4f5c\u539f\u7406<\/h3>\n

  RS-422\u662f\u4e00\u79cd\u70b9\u5bf9\u70b9\u901a\u4fe1\u7684\u65b9\u5f0f\uff0c\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u901f\u548c\u957f\u8ddd\u79bb\u7684\u6570\u636e\u4f20\u8f93\uff0c\u9002\u7528\u4e8e\u5de5\u4e1a\u73af\u5883\u4e2d\u7684\u5e94\u7528\u3002<\/p>\n

RS-485 \u4e0e RS-422 \u7684\u7535\u6c14\u7279\u6027<\/h2>\n

  \u5728\u7535\u6c14\u7279\u6027\u65b9\u9762\uff0cRS-485 \u548c RS-422 \u4e5f\u6709\u4e00\u4e9b\u660e\u663e\u7684\u533a\u522b\u3002RS-485 \u5177\u6709\u66f4\u5f3a\u7684\u9a71\u52a8\u80fd\u529b\uff0c\u9002\u7528\u4e8e\u591a\u70b9\u901a\u4fe1\u73af\u5883\u3002\u800c RS-422 \u5728\u4f20\u8f93\u8ddd\u79bb\u548c\u4f20\u8f93\u901f\u7387\u65b9\u9762\u6709\u66f4\u9ad8\u7684\u8981\u6c42\u3002<\/p>\n

  RS-485\u7684\u7535\u6c14\u7279\u6027<\/h3>\n

  RS-485 \u53ef\u4ee5\u652f\u630132\u4e2a\u53d1\u9001\u5668\u548c32\u4e2a\u63a5\u6536\u5668\uff0c\u9002\u7528\u4e8e\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u3001\u4eea\u5668\u4eea\u8868\u7b49\u573a\u666f\u3002<\/p>\n

  RS-422\u7684\u7535\u6c14\u7279\u6027<\/h3>\n

  RS-422 \u5728\u4f20\u8f93\u7ebf\u8def\u4e0a\u6709\u66f4\u9ad8\u7684\u7535\u538b\u8981\u6c42\uff0c\u80fd\u591f\u5b9e\u73b0\u66f4\u8fdc\u8ddd\u79bb\u7684\u6570\u636e\u4f20\u8f93\uff0c\u9002\u7528\u4e8e\u957f\u8ddd\u79bb\u4f20\u8f93\u4ee5\u53ca\u73af\u5883\u5608\u6742\u7684\u573a\u666f\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u7efc\u4e0a\u6240\u8ff0\uff0cRS-485 \u548c RS-422 \u5728\u901a\u4fe1\u539f\u7406\u548c\u7535\u6c14\u7279\u6027\u4e0a\u5b58\u5728\u7740\u660e\u663e\u7684\u533a\u522b\u3002<\/strong>\u9009\u62e9\u5408\u9002\u7684\u6807\u51c6\u53d6\u51b3\u4e8e\u5b9e\u9645\u5e94\u7528\u7684\u9700\u6c42\uff0c\u5305\u62ec\u901a\u4fe1\u8ddd\u79bb\u3001\u4f20\u8f93\u901f\u7387\u3001\u6297\u5e72\u6270\u80fd\u529b\u7b49\u65b9\u9762\u7684\u8003\u91cf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u672c\u6587\u5c06\u63a2\u8ba8\u4e32\u53e3RS-485\u548cRS-422\u7684\u533a\u522b\uff0c\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u8fd9\u4e24\u79cd\u4e32\u53e3\u7c7b\u578b\u7684\u7279\u6027\u548c\u9002\u7528\u573a\u666f\u3002RS-485\u4e0eRS-422\u7684\u901a\u4fe1\u539f\u7406RS-485<\/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":[259],"class_list":["post-78291","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-rs422"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/78291","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=78291"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/78291\/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=78291"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=78291"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=78291"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}