{"id":32966,"date":"2023-09-19T13:54:05","date_gmt":"2023-09-19T05:54:05","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=32966"},"modified":"2023-09-19T13:54:05","modified_gmt":"2023-09-19T05:54:05","slug":"zxxynzm","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/32966.html","title":{"rendered":"\u603b\u7ebf\u534f\u8bae\u80fd\u8f6c485\u5417"},"content":{"rendered":"

  \u603b\u7ebf\u534f\u8bae\u80fd\u591f\u8f6c485\u5417\uff1f\u8fd9\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u95ee\u9898\uff0c\u56e0\u4e3a\u5b83\u53ef\u4ee5\u51b3\u5b9a\u4e00\u4e2a\u7cfb\u7edf\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u8ba8\u8bba\u603b\u7ebf\u534f\u8bae\u662f\u5426\u80fd\u591f\u8f6c485\uff0c\u4ee5\u53ca\u5982\u4f55\u786e\u4fdd\u603b\u7ebf\u534f\u8bae\u7684\u53ef\u9760\u6027\u3002<\/p>\n

\u4ec0\u4e48\u662f\u603b\u7ebf\u534f\u8bae\uff1f<\/h2>\n

  \u603b\u7ebf\u534f\u8bae\u662f\u4e00\u79cd\u901a\u8baf\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u7528\u6765\u8fde\u63a5\u4e0d\u540c\u7684\u8bbe\u5907\uff0c\u5e76\u5141\u8bb8\u5b83\u4eec\u4e4b\u95f4\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002\u603b\u7ebf\u534f\u8bae\u53ef\u4ee5\u5206\u4e3a\u4e24\u79cd\uff1a\u4e32\u884c\u603b\u7ebf\u534f\u8bae\u548c\u5e76\u884c\u603b\u7ebf\u534f\u8bae\u3002\u4e32\u884c\u603b\u7ebf\u534f\u8bae\u53ef\u4ee5\u4f7f\u7528RS-232\u3001RS-485\u6216\u5176\u4ed6\u534f\u8bae\u8fdb\u884c\u6570\u636e\u4f20\u8f93\uff0c\u800c\u5e76\u884c\u603b\u7ebf\u534f\u8bae\u5219\u53ef\u4ee5\u4f7f\u7528I2C\u6216SPI\u7b49\u534f\u8bae\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002<\/p>\n

\u603b\u7ebf\u534f\u8bae\u80fd\u591f\u8f6c485\u5417\uff1f<\/h2>\n

  \u7b54\u6848\u662f\u80af\u5b9a\u7684\uff0c\u603b\u7ebf\u534f\u8bae\u53ef\u4ee5\u8f6c485\u3002RS-485\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u4e32\u884c\u603b\u7ebf\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u7528\u6765\u8fde\u63a5\u591a\u4e2a\u8bbe\u5907\uff0c\u5e76\u5141\u8bb8\u5b83\u4eec\u4e4b\u95f4\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002RS-485\u7684\u4f18\u70b9\u5728\u4e8e\u5b83\u53ef\u4ee5\u652f\u6301\u957f\u8ddd\u79bb\u7684\u6570\u636e\u4f20\u8f93\uff0c\u540c\u65f6\u4e5f\u53ef\u4ee5\u652f\u6301\u591a\u4e2a\u8bbe\u5907\u4e4b\u95f4\u7684\u5e76\u884c\u6570\u636e\u4f20\u8f93\u3002<\/p>\n

RS-485\u7684\u4f18\u52bf<\/h3>\n

  RS-485\u7684\u4f18\u52bf\u5728\u4e8e\u5b83\u53ef\u4ee5\u652f\u6301\u957f\u8ddd\u79bb\u7684\u6570\u636e\u4f20\u8f93\uff0c\u540c\u65f6\u4e5f\u53ef\u4ee5\u652f\u6301\u591a\u4e2a\u8bbe\u5907\u4e4b\u95f4\u7684\u5e76\u884c\u6570\u636e\u4f20\u8f93\u3002\u53e6\u5916\uff0cRS-485\u8fd8\u5177\u6709\u8f83\u9ad8\u7684\u6570\u636e\u4f20\u8f93\u7387\uff0c\u53ef\u4ee5\u8fbe\u523010Mbps\uff0c\u5e76\u4e14\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u4e0d\u540c\u7684\u6570\u636e\u683c\u5f0f\uff0c\u5982ascii\u3001hex\u7b49\u3002<\/p>\n

RS-485\u7684\u7f3a\u70b9<\/h3>\n

  \u5c3d\u7ba1RS-485\u5177\u6709\u8bf8\u591a\u4f18\u70b9\uff0c\u4f46\u5b83\u4e5f\u5b58\u5728\u4e00\u4e9b\u7f3a\u70b9\u3002\u9996\u5148\uff0c\u5b83\u53ea\u80fd\u652f\u6301\u5355\u5411\u6570\u636e\u4f20\u8f93\uff0c\u800c\u4e0d\u80fd\u652f\u6301\u53cc\u5411\u6570\u636e\u4f20\u8f93\u3002\u5176\u6b21\uff0c\u5b83\u7684\u7ebf\u8def\u957f\u5ea6\u6709\u9650\uff0c\u4e00\u822c\u53ea\u80fd\u652f\u63011000\u7c73\u4ee5\u5185\u7684\u6570\u636e\u4f20\u8f93\u3002\u6700\u540e\uff0c\u5b83\u7684\u529f\u8017\u6bd4\u8f83\u9ad8\uff0c\u56e0\u6b64\u5728\u9700\u8981\u8282\u80fd\u7684\u573a\u5408\u4e0d\u592a\u5408\u9002\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u603b\u7ebf\u534f\u8bae\u80fd\u591f\u8f6c485\u5417\uff1f\u7b54\u6848\u662f\u80af\u5b9a\u7684\uff0c\u603b\u7ebf\u534f\u8bae\u53ef\u4ee5\u8f6c485\uff0cRS-485\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u4e32\u884c\u603b\u7ebf\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u7528\u6765\u8fde\u63a5\u591a\u4e2a\u8bbe\u5907\uff0c\u5e76\u5141\u8bb8\u5b83\u4eec\u4e4b\u95f4\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002<\/strong>RS-485\u7684\u4f18\u70b9\u5728\u4e8e\u5b83\u53ef\u4ee5\u652f\u6301\u957f\u8ddd\u79bb\u7684\u6570\u636e\u4f20\u8f93\uff0c\u540c\u65f6\u4e5f\u53ef\u4ee5\u652f\u6301\u591a\u4e2a\u8bbe\u5907\u4e4b\u95f4\u7684\u5e76\u884c\u6570\u636e\u4f20\u8f93\u3002\u5c3d\u7ba1RS-485\u5177\u6709\u8bf8\u591a\u4f18\u70b9\uff0c\u4f46\u5b83\u4e5f\u5b58\u5728\u4e00\u4e9b\u7f3a\u70b9\uff0c\u5982\u53ea\u80fd\u652f\u6301\u5355\u5411\u6570\u636e\u4f20\u8f93\uff0c\u7ebf\u8def\u957f\u5ea6\u6709\u9650\uff0c\u529f\u8017\u8f83\u9ad8\u7b49\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u603b\u7ebf\u534f\u8bae\u80fd\u591f\u8f6c485\u5417\uff1f\u8fd9\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u95ee\u9898\uff0c\u56e0\u4e3a\u5b83\u53ef\u4ee5\u51b3\u5b9a\u4e00\u4e2a\u7cfb\u7edf\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u8ba8\u8bba\u603b\u7ebf\u534f\u8bae\u662f\u5426\u80fd\u591f\u8f6c485\uff0c\u4ee5\u53ca\u5982\u4f55\u786e\u4fdd\u603b\u7ebf\u534f\u8bae\u7684\u53ef\u9760\u6027\u3002 \u4ec0\u4e48<\/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-32966","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\/32966","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=32966"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/32966\/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=32966"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=32966"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=32966"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}