{"id":46318,"date":"2023-09-28T22:34:56","date_gmt":"2023-09-28T14:34:56","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=46318"},"modified":"2023-09-28T22:34:56","modified_gmt":"2023-09-28T14:34:56","slug":"zjqzmjx","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/46318.html","title":{"rendered":"485\u4e2d\u7ee7\u5668\u600e\u4e48\u63a5\u7ebf"},"content":{"rendered":"

  485\u4e2d\u7ee7\u5668\u662f\u4e00\u79cd\u63a5\u53e3\u8bbe\u5907\uff0c\u7528\u4e8e\u5728RS-485\u603b\u7ebf\u7cfb\u7edf\u4e2d\u8fde\u63a5\u8bbe\u5907\uff0c\u5e76\u63d0\u4f9b\u4fe1\u53f7\u8f6c\u6362\u548c\u8fde\u63a5\u529f\u80fd\u3002\u5b83\u53ef\u4ee5\u5c06RS-485\u4fe1\u53f7\u8f6c\u6362\u4e3aRS-232\u4fe1\u53f7\uff0c\u5e76\u53ef\u4ee5\u5728RS-485\u7cfb\u7edf\u4e2d\u8fde\u63a5\u591a\u4e2a\u8bbe\u5907\u3002\u672c\u6587\u5c06\u4ecb\u7ecd485\u4e2d\u7ee7\u5668\u7684\u63a5\u7ebf\u65b9\u6cd5\uff0c\u4ee5\u53ca\u5982\u4f55\u5728RS-485\u7cfb\u7edf\u4e2d\u4f7f\u7528\u5b83\u3002<\/p>\n

485\u4e2d\u7ee7\u5668\u63a5\u7ebf\u65b9\u6cd5<\/h2>\n

  485\u4e2d\u7ee7\u5668\u7684\u63a5\u7ebf\u65b9\u6cd5\u4e3b\u8981\u5206\u4e3a\u4e24\u90e8\u5206\uff1a485\u4fe1\u53f7\u7ebf\u548c\u7535\u6e90\u7ebf\u3002485\u4fe1\u53f7\u7ebf\u7531RS-485\u603b\u7ebf\u7cfb\u7edf\u63d0\u4f9b\uff0c\u4e3b\u8981\u5305\u62ec\u4e24\u6839\u7ebf\uff1aA\u548cB\uff0c\u5206\u522b\u5bf9\u5e94RS-485\u7cfb\u7edf\u7684\u53d1\u9001\u548c\u63a5\u6536\u4fe1\u53f7\u3002\u7535\u6e90\u7ebf\u7531485\u4e2d\u7ee7\u5668\u63d0\u4f9b\uff0c\u4e3b\u8981\u5305\u62ec\u4e24\u6839\u7ebf\uff1aVCC\u548cGND\uff0c\u5206\u522b\u5bf9\u5e94485\u4e2d\u7ee7\u5668\u7684\u7535\u6e90\u548c\u5730\u7ebf\u3002<\/p>\n

  485\u4fe1\u53f7\u7ebf\u63a5\u7ebf<\/h3>\n

  485\u4fe1\u53f7\u7ebf\u63a5\u7ebf\u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u5c06485\u4e2d\u7ee7\u5668\u7684A\u548cB\u7aef\u53e3\u5206\u522b\u63a5\u5165RS-485\u603b\u7ebf\u7cfb\u7edf\u7684\u53d1\u9001\u548c\u63a5\u6536\u4fe1\u53f7\u5373\u53ef\u3002<\/p>\n

  \u7535\u6e90\u7ebf\u63a5\u7ebf<\/h3>\n

  \u7535\u6e90\u7ebf\u63a5\u7ebf\u4e5f\u5f88\u7b80\u5355\uff0c\u53ea\u9700\u5c06485\u4e2d\u7ee7\u5668\u7684VCC\u548cGND\u7aef\u53e3\u5206\u522b\u63a5\u5165\u7535\u6e90\u548c\u5730\u7ebf\u5373\u53ef\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c485\u4e2d\u7ee7\u5668\u7684\u7535\u6e90\u7535\u538b\u4e3a5V\u621612V\uff0c\u8bf7\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u63a5\u5165\u9002\u5f53\u7684\u7535\u538b\u3002<\/p>\n

\u5982\u4f55\u5728RS-485\u7cfb\u7edf\u4e2d\u4f7f\u7528485\u4e2d\u7ee7\u5668<\/h2>\n

  485\u4e2d\u7ee7\u5668\u53ef\u4ee5\u7528\u4e8e\u5728RS-485\u7cfb\u7edf\u4e2d\u8fde\u63a5\u591a\u4e2a\u8bbe\u5907\uff0c\u4ee5\u652f\u6301\u591a\u70b9\u901a\u4fe1\u3002\u4e0b\u9762\u5c06\u4ecb\u7ecd\u5982\u4f55\u5728RS-485\u7cfb\u7edf\u4e2d\u4f7f\u7528485\u4e2d\u7ee7\u5668\uff1a<\/p>\n

  1.\u8fde\u63a5485\u4e2d\u7ee7\u5668<\/h3>\n

  \u9996\u5148\uff0c\u5c06485\u4e2d\u7ee7\u5668\u7684A\u548cB\u7aef\u53e3\u5206\u522b\u63a5\u5165RS-485\u603b\u7ebf\u7cfb\u7edf\u7684\u53d1\u9001\u548c\u63a5\u6536\u4fe1\u53f7\uff0c\u7136\u540e\u5c06485\u4e2d\u7ee7\u5668\u7684VCC\u548cGND\u7aef\u53e3\u5206\u522b\u63a5\u5165\u7535\u6e90\u548c\u5730\u7ebf\u3002<\/p>\n

  2.\u8fde\u63a5\u5176\u4ed6\u8bbe\u5907<\/h3>\n

  \u63a5\u4e0b\u6765\uff0c\u5c06\u5176\u4ed6\u8bbe\u5907\u7684A\u548cB\u7aef\u53e3\u5206\u522b\u63a5\u5165485\u4e2d\u7ee7\u5668\u7684A\u548cB\u7aef\u53e3\uff0c\u4ee5\u5b9e\u73b0RS-485\u603b\u7ebf\u7cfb\u7edf\u4e2d\u7684\u591a\u70b9\u901a\u4fe1\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u672c\u6587\u4ecb\u7ecd\u4e86485\u4e2d\u7ee7\u5668\u7684\u63a5\u7ebf\u65b9\u6cd5\u548c\u5982\u4f55\u5728RS-485\u7cfb\u7edf\u4e2d\u4f7f\u7528\u5b83\u3002<\/strong>485\u4e2d\u7ee7\u5668\u7684\u63a5\u7ebf\u65b9\u6cd5\u4e3b\u8981\u5206\u4e3a\u4e24\u90e8\u5206\uff1a485\u4fe1\u53f7\u7ebf\u548c\u7535\u6e90\u7ebf\u3002485\u4fe1\u53f7\u7ebf\u63a5\u7ebf\u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u5c06485\u4e2d\u7ee7\u5668\u7684A\u548cB\u7aef\u53e3\u5206\u522b\u63a5\u5165RS-485\u603b\u7ebf\u7cfb\u7edf\u7684\u53d1\u9001\u548c\u63a5\u6536\u4fe1\u53f7\u5373\u53ef\u3002\u7535\u6e90\u7ebf\u63a5\u7ebf\u4e5f\u5f88\u7b80\u5355\uff0c\u53ea\u9700\u5c06485\u4e2d\u7ee7\u5668\u7684VCC\u548cGND\u7aef\u53e3\u5206\u522b\u63a5\u5165\u7535\u6e90\u548c\u5730\u7ebf\u5373\u53ef\u3002485\u4e2d\u7ee7\u5668\u53ef\u4ee5\u7528\u4e8e\u5728RS-485\u7cfb\u7edf\u4e2d\u8fde\u63a5\u591a\u4e2a\u8bbe\u5907\uff0c\u4ee5\u652f\u6301\u591a\u70b9\u901a\u4fe1\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

485\u4e2d\u7ee7\u5668\u662f\u4e00\u79cd\u63a5\u53e3\u8bbe\u5907\uff0c\u7528\u4e8e\u5728RS-485\u603b\u7ebf\u7cfb\u7edf\u4e2d\u8fde\u63a5\u8bbe\u5907\uff0c\u5e76\u63d0\u4f9b\u4fe1\u53f7\u8f6c\u6362\u548c\u8fde\u63a5\u529f\u80fd\u3002\u5b83\u53ef\u4ee5\u5c06RS-485\u4fe1\u53f7\u8f6c\u6362\u4e3aRS-232\u4fe1\u53f7\uff0c\u5e76\u53ef\u4ee5\u5728RS-485\u7cfb\u7edf\u4e2d\u8fde\u63a5<\/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-46318","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\/46318"}],"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=46318"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/46318\/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=46318"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=46318"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=46318"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}