{"id":33179,"date":"2023-09-14T16:13:28","date_gmt":"2023-09-14T08:13:28","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=33179"},"modified":"2023-09-14T16:13:28","modified_gmt":"2023-09-14T08:13:28","slug":"ckydqb","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/33179.html","title":{"rendered":"\u4e32\u53e3\u4e0e485\u7684\u533a\u522b"},"content":{"rendered":"

  \u4e32\u53e3\u548c485\u662f\u4e24\u79cd\u4e0d\u540c\u7684\u901a\u4fe1\u63a5\u53e3\uff0c\u5b83\u4eec\u5177\u6709\u5404\u81ea\u72ec\u7279\u7684\u4f18\u52bf\u548c\u529f\u80fd\u3002\u672c\u6587\u5c06\u63a2\u8ba8\u4e24\u8005\u4e4b\u95f4\u7684\u4e0d\u540c\u4e4b\u5904\uff0c\u4ee5\u53ca\u5b83\u4eec\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u4f18\u52bf\u548c\u52a3\u52bf\u3002<\/p>\n

\u4e32\u53e3<\/h2>\n

  \u4e32\u53e3\uff08Serial Port\uff09\u662f\u4e00\u79cd\u7528\u4e8e\u4e24\u53f0\u8bbe\u5907\u4e4b\u95f4\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u7684\u63a5\u53e3\uff0c\u5b83\u53ef\u4ee5\u5c06\u4e00\u53f0\u8bbe\u5907\u4e0e\u53e6\u4e00\u53f0\u8bbe\u5907\u8fde\u63a5\u8d77\u6765\uff0c\u4ee5\u4fbf\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002\u5b83\u901a\u5e38\u7531\u4e00\u4e2a\u7535\u7f06\u8fde\u63a5\u5230\u4e24\u53f0\u8bbe\u5907\uff0c\u5e76\u4f7f\u7528\u4e00\u79cd\u7279\u5b9a\u7684\u534f\u8bae\uff08\u5982RS-232\uff09\u6765\u4f20\u8f93\u6570\u636e\u3002\u4e32\u53e3\u53ef\u4ee5\u652f\u6301\u4e0d\u540c\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u5e76\u4e14\u53ef\u4ee5\u5728\u4e0d\u540c\u7684\u901f\u5ea6\u4e0a\u4f20\u8f93\u6570\u636e\uff0c\u4ece\u800c\u6ee1\u8db3\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n

\u4e32\u53e3\u4f18\u52bf<\/h3>\n

  \u4e32\u53e3\u5177\u6709\u8bb8\u591a\u4f18\u52bf\uff0c\u5176\u4e2d\u6700\u91cd\u8981\u7684\u4e00\u70b9\u662f\u5b83\u53ef\u4ee5\u63d0\u4f9b\u9ad8\u6548\u7684\u6570\u636e\u4f20\u8f93\u3002\u5b83\u53ef\u4ee5\u5728\u975e\u5e38\u4f4e\u7684\u5ef6\u8fdf\u65f6\u95f4\u5185\u4f20\u8f93\u5927\u91cf\u6570\u636e\uff0c\u4ece\u800c\u4f7f\u5f97\u5e94\u7528\u7a0b\u5e8f\u80fd\u591f\u83b7\u5f97\u66f4\u597d\u7684\u6027\u80fd\u3002\u6b64\u5916\uff0c\u4e32\u53e3\u8fd8\u53ef\u4ee5\u63d0\u4f9b\u66f4\u4f4e\u7684\u6210\u672c\uff0c\u56e0\u4e3a\u5b83\u4e0d\u9700\u8981\u7279\u6b8a\u7684\u786c\u4ef6\u6765\u5b9e\u73b0\u3002<\/p>\n

\u4e32\u53e3\u7f3a\u70b9<\/h3>\n

  \u4e32\u53e3\u4e5f\u6709\u4e00\u4e9b\u7f3a\u70b9\uff0c\u5176\u4e2d\u6700\u5927\u7684\u4e00\u4e2a\u662f\u5b83\u53ea\u80fd\u5728\u77ed\u8ddd\u79bb\u5185\u4f20\u8f93\u6570\u636e\uff0c\u901a\u5e38\u4e0d\u8d85\u8fc7\u51e0\u5341\u7c73\u3002\u6b64\u5916\uff0c\u4e32\u53e3\u4e5f\u4e0d\u80fd\u652f\u6301\u591a\u70b9\u901a\u4fe1\uff0c\u56e0\u6b64\u53ea\u80fd\u7528\u4e8e\u70b9\u5bf9\u70b9\u7684\u901a\u4fe1\u3002<\/p>\n

485<\/h2>\n

  RS-485\u662f\u4e00\u79cd\u5e38\u7528\u7684\u8fdc\u7a0b\u901a\u4fe1\u63a5\u53e3\uff0c\u5b83\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u591a\u53f0\u8bbe\u5907\uff0c\u5b9e\u73b0\u591a\u70b9\u901a\u4fe1\u3002\u5b83\u4f7f\u7528\u4e00\u79cd\u7279\u6b8a\u7684\u534f\u8bae\uff08RS-485\uff09\u6765\u4f20\u8f93\u6570\u636e\uff0c\u5e76\u53ef\u4ee5\u652f\u6301\u975e\u5e38\u957f\u7684\u8ddd\u79bb\uff0c\u6700\u957f\u53ef\u8fbe1200\u7c73\u3002<\/p>\n

485\u4f18\u52bf<\/h3>\n

  RS-485\u5177\u6709\u8bb8\u591a\u4f18\u52bf\uff0c\u5176\u4e2d\u6700\u91cd\u8981\u7684\u4e00\u70b9\u662f\u5b83\u53ef\u4ee5\u652f\u6301\u591a\u70b9\u901a\u4fe1\u3002\u5b83\u53ef\u4ee5\u5c06\u591a\u53f0\u8bbe\u5907\u8fde\u63a5\u5728\u4e00\u8d77\uff0c\u4ece\u800c\u5b9e\u73b0\u66f4\u5927\u8303\u56f4\u7684\u901a\u4fe1\u3002\u6b64\u5916\uff0cRS-485\u8fd8\u53ef\u4ee5\u652f\u6301\u975e\u5e38\u957f\u7684\u8ddd\u79bb\uff0c\u6700\u957f\u53ef\u8fbe1200\u7c73\uff0c\u8fd9\u4f7f\u5f97\u5b83\u6210\u4e3a\u4e00\u79cd\u7406\u60f3\u7684\u8fdc\u7a0b\u901a\u4fe1\u63a5\u53e3\u3002<\/p>\n

485\u7f3a\u70b9<\/h3>\n

  RS-485\u4e5f\u6709\u4e00\u4e9b\u7f3a\u70b9\uff0c\u5176\u4e2d\u6700\u5927\u7684\u4e00\u4e2a\u662f\u5b83\u7684\u6210\u672c\u6bd4\u4e32\u53e3\u8981\u9ad8\u5f97\u591a\u3002\u6b64\u5916\uff0c\u5b83\u7684\u4f20\u8f93\u901f\u5ea6\u4e5f\u6bd4\u4e32\u53e3\u8981\u6162\uff0c\u56e0\u6b64\u5728\u5b9e\u65f6\u5e94\u7528\u4e2d\u53ef\u80fd\u4f1a\u51fa\u73b0\u95ee\u9898\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u4ece\u4e0a\u9762\u53ef\u4ee5\u770b\u51fa\uff0c\u4e32\u53e3\u548c485\u90fd\u662f\u5e38\u7528\u7684\u901a\u4fe1\u63a5\u53e3\uff0c\u5b83\u4eec\u5177\u6709\u5404\u81ea\u72ec\u7279\u7684\u4f18\u52bf\u548c\u529f\u80fd\u3002<\/strong>\u4e32\u53e3\u53ef\u4ee5\u63d0\u4f9b\u9ad8\u6548\u7684\u6570\u636e\u4f20\u8f93\uff0c\u4f46\u53ea\u80fd\u5728\u77ed\u8ddd\u79bb\u5185\u4f20\u8f93\uff0c\u800cRS-485\u53ef\u4ee5\u652f\u6301\u591a\u70b9\u901a\u4fe1\uff0c\u652f\u6301\u975e\u5e38\u957f\u7684\u8ddd\u79bb\uff0c\u4f46\u5176\u6210\u672c\u8981\u9ad8\u5f97\u591a\u3002\u56e0\u6b64\uff0c\u5728\u9009\u62e9\u901a\u4fe1\u63a5\u53e3\u65f6\uff0c\u5e94\u6839\u636e\u5b9e\u9645\u9700\u6c42\u6765\u9009\u62e9\u6700\u5408\u9002\u7684\u63a5\u53e3\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u4e32\u53e3\u548c485\u662f\u4e24\u79cd\u4e0d\u540c\u7684\u901a\u4fe1\u63a5\u53e3\uff0c\u5b83\u4eec\u5177\u6709\u5404\u81ea\u72ec\u7279\u7684\u4f18\u52bf\u548c\u529f\u80fd\u3002\u672c\u6587\u5c06\u63a2\u8ba8\u4e24\u8005\u4e4b\u95f4\u7684\u4e0d\u540c\u4e4b\u5904\uff0c\u4ee5\u53ca\u5b83\u4eec\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u4f18\u52bf\u548c\u52a3\u52bf\u3002 \u4e32\u53e3 \u4e32\u53e3\uff08Serial P<\/p>\n","protected":false},"author":1,"featured_media":3671,"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-33179","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\/33179","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=33179"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/33179\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/3671"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=33179"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=33179"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=33179"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}