{"id":47869,"date":"2023-09-29T21:15:21","date_gmt":"2023-09-29T13:15:21","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=47869"},"modified":"2023-09-29T21:15:21","modified_gmt":"2023-09-29T13:15:21","slug":"rddyzyxdtxxy","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/47869.html","title":{"rendered":"RS485\u7684DIR\uff1a\u4e00\u79cd\u6709\u6548\u7684\u901a\u4fe1\u534f\u8bae"},"content":{"rendered":"<p>&emsp;&emsp;RS485\u7684DIR\uff08\u6570\u636e\u4f20\u8f93\u4fe1\u53f7\uff09\u662f\u4e00\u79cd\u5e38\u7528\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u5c06\u6570\u636e\u4ee5\u7b80\u5355\u7684\u65b9\u5f0f\u4f20\u8f93\u5230\u4e0d\u540c\u7684\u8bbe\u5907\u4e4b\u95f4\u3002\u672c\u6587\u5c06\u4ecb\u7ecdRS485\u7684DIR\u7684\u57fa\u672c\u539f\u7406\uff0c\u4ee5\u53ca\u5b83\u7684\u5e94\u7528\u573a\u666f\uff0c\u4ee5\u53ca\u5982\u4f55\u5728\u5b9e\u8df5\u4e2d\u4f7f\u7528\u5b83\u3002<\/p>\n<h2 style=\"text-align: center;\">RS485\u7684DIR\uff1a\u57fa\u672c\u539f\u7406<\/h2>\n<p>&emsp;&emsp;RS485\u7684DIR\u662f\u4e00\u79cd\u57fa\u4e8e\u4e32\u884c\u901a\u4fe1\u7684\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u5c06\u6570\u636e\u4ee5\u7b80\u5355\u7684\u65b9\u5f0f\u4f20\u8f93\u5230\u4e0d\u540c\u7684\u8bbe\u5907\u4e4b\u95f4\u3002\u5b83\u4f7f\u7528\u4e00\u79cd\u53eb\u505a\u5dee\u5206\u4f20\u8f93\u7684\u65b9\u5f0f\uff0c\u5b83\u4f7f\u7528\u4e00\u5bf9\u7535\u7f06\u8fdb\u884c\u4f20\u8f93\uff0c\u4e00\u4e2a\u7535\u7f06\u7528\u4e8e\u53d1\u9001\u6570\u636e\uff0c\u53e6\u4e00\u4e2a\u7535\u7f06\u7528\u4e8e\u63a5\u6536\u6570\u636e\u3002<\/p>\n<p>&emsp;&emsp;RS485\u7684DIR\u53ef\u4ee5\u652f\u6301\u957f\u8ddd\u79bb\u4f20\u8f93\uff0c\u56e0\u4e3a\u5b83\u4f7f\u7528\u5dee\u5206\u4f20\u8f93\uff0c\u5b83\u53ef\u4ee5\u62b5\u6297\u5e72\u6270\uff0c\u4ece\u800c\u63d0\u9ad8\u4f20\u8f93\u8d28\u91cf\u3002\u5b83\u8fd8\u53ef\u4ee5\u652f\u6301\u591a\u4e2a\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\uff0c\u8fd9\u4f7f\u5f97\u5b83\u7279\u522b\u9002\u5408\u5728\u591a\u4e2a\u8bbe\u5907\u4e4b\u95f4\u4f20\u8f93\u5927\u91cf\u6570\u636e\u7684\u573a\u666f\u3002<\/p>\n<h2 style=\"text-align: center;\">RS485\u7684DIR\u7684\u5e94\u7528\u573a\u666f<\/h2>\n<p>&emsp;&emsp;RS485\u7684DIR\u53ef\u4ee5\u7528\u4e8e\u591a\u79cd\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\uff0c\u5176\u4e2d\u6700\u5e38\u89c1\u7684\u662f\u5de5\u4e1a\u63a7\u5236\u548c\u81ea\u52a8\u5316\u9886\u57df\u3002\u5b83\u53ef\u4ee5\u7528\u4e8e\u63a7\u5236\u548c\u76d1\u63a7\u5de5\u5382\u4e2d\u7684\u5404\u79cd\u8bbe\u5907\uff0c\u4f8b\u5982\u673a\u5668\u4eba\u3001\u4f20\u611f\u5668\u548cPLC\uff08\u53ef\u7f16\u7a0b\u903b\u8f91\u63a7\u5236\u5668\uff09\u3002\u5b83\u8fd8\u53ef\u4ee5\u7528\u4e8e\u5c06\u6570\u636e\u4ece\u4e00\u4e2a\u8bbe\u5907\u4f20\u8f93\u5230\u53e6\u4e00\u4e2a\u8bbe\u5907\uff0c\u4f8b\u5982\u5c06\u6570\u636e\u4ece\u4e00\u53f0\u673a\u5668\u4f20\u8f93\u5230\u53e6\u4e00\u53f0\u673a\u5668\u3002<\/p>\n<p>&emsp;&emsp;\u6b64\u5916\uff0cRS485\u7684DIR\u8fd8\u53ef\u4ee5\u7528\u4e8e\u667a\u80fd\u5bb6\u5c45\u9886\u57df\u3002\u5b83\u53ef\u4ee5\u7528\u4e8e\u63a7\u5236\u5bb6\u5ead\u4e2d\u7684\u667a\u80fd\u8bbe\u5907\uff0c\u4f8b\u5982\u667a\u80fd\u706f\u3001\u667a\u80fd\u95e8\u9501\u548c\u667a\u80fd\u63d2\u5ea7\u3002\u5b83\u8fd8\u53ef\u4ee5\u7528\u4e8e\u5c06\u5bb6\u5ead\u4e2d\u7684\u6570\u636e\u4f20\u8f93\u5230\u4e91\u7aef\uff0c\u4ee5\u4fbf\u8fdc\u7a0b\u63a7\u5236\u548c\u76d1\u63a7\u3002<\/p>\n<h2 style=\"text-align: center;\">\u5982\u4f55\u5728\u5b9e\u8df5\u4e2d\u4f7f\u7528RS485\u7684DIR<\/h2>\n<p>&emsp;&emsp;\u4f7f\u7528RS485\u7684DIR\u53ef\u4ee5\u8282\u7701\u8bbe\u8ba1\u65f6\u95f4\uff0c\u5e76\u786e\u4fdd\u4f20\u8f93\u8d28\u91cf\u3002\u5728\u5b9e\u8df5\u4e2d\uff0c\u9996\u5148\u9700\u8981\u786e\u5b9a\u4f7f\u7528\u7684\u8bbe\u5907\uff0c\u7136\u540e\u9009\u62e9\u5408\u9002\u7684RS485\u63a5\u53e3\uff0c\u4f8b\u5982RS232\u6216RS422\u3002<\/p>\n<p>&emsp;&emsp;\u63a5\u4e0b\u6765\uff0c\u9700\u8981\u786e\u5b9aRS485\u7684DIR\u7684\u4f20\u8f93\u901f\u7387\uff0c\u8fd9\u53d6\u51b3\u4e8e\u8981\u4f20\u8f93\u7684\u6570\u636e\u91cf\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u4f20\u8f93\u901f\u7387\u8d8a\u9ad8\uff0c\u4f20\u8f93\u8d28\u91cf\u8d8a\u9ad8\u3002\u6700\u540e\uff0c\u9700\u8981\u786e\u5b9aRS485\u7684DIR\u7684\u7ebf\u8def\u5e03\u7ebf\uff0c\u4ee5\u786e\u4fdd\u4f20\u8f93\u7684\u53ef\u9760\u6027\u3002<\/p>\n<h2 style=\"text-align: center;\">\u603b\u7ed3<\/h2>\n<p>&emsp;&emsp;<strong>RS485\u7684DIR\u662f\u4e00\u79cd\u5e38\u7528\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u5c06\u6570\u636e\u4ee5\u7b80\u5355\u7684\u65b9\u5f0f\u4f20\u8f93\u5230\u4e0d\u540c\u7684\u8bbe\u5907\u4e4b\u95f4\u3002<\/strong>\u5b83\u53ef\u4ee5\u7528\u4e8e\u5de5\u4e1a\u63a7\u5236\u548c\u81ea\u52a8\u5316\u9886\u57df\uff0c\u4e5f\u53ef\u4ee5\u7528\u4e8e\u667a\u80fd\u5bb6\u5c45\u9886\u57df\u3002\u4f7f\u7528RS485\u7684DIR\u53ef\u4ee5\u8282\u7701\u8bbe\u8ba1\u65f6\u95f4\uff0c\u5e76\u786e\u4fdd\u4f20\u8f93\u8d28\u91cf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>RS485\u7684DIR\uff08\u6570\u636e\u4f20\u8f93\u4fe1\u53f7\uff09\u662f\u4e00\u79cd\u5e38\u7528\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u5c06\u6570\u636e\u4ee5\u7b80\u5355\u7684\u65b9\u5f0f\u4f20\u8f93\u5230\u4e0d\u540c\u7684\u8bbe\u5907\u4e4b\u95f4\u3002\u672c\u6587\u5c06\u4ecb\u7ecdRS485\u7684DIR\u7684\u57fa\u672c\u539f\u7406\uff0c\u4ee5\u53ca\u5b83\u7684\u5e94\u7528\u573a\u666f\uff0c\u4ee5\u53ca\u5982\u4f55\u5728<\/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-47869","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\/47869"}],"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=47869"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/47869\/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=47869"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=47869"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=47869"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}