{"id":46343,"date":"2023-10-04T11:58:56","date_gmt":"2023-10-04T03:58:56","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=46343"},"modified":"2023-10-04T22:20:58","modified_gmt":"2023-10-04T14:20:58","slug":"rhrxysz","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/46343.html","title":{"rendered":"RS232\u548cRS485\u534f\u8bae\u8bbe\u7f6e"},"content":{"rendered":"

  RS232\u548cRS485\u534f\u8bae\u8bbe\u7f6e\u662f\u6709\u6548\u63a7\u5236\u7cfb\u7edf\u7684\u5173\u952e\uff0c\u5b83\u4eec\u53ef\u4ee5\u63d0\u4f9b\u9ad8\u6548\u7684\u6570\u636e\u4f20\u8f93\uff0c\u5e76\u4e14\u53ef\u4ee5\u7528\u4e8e\u591a\u79cd\u5e94\u7528\u3002\u672c\u6587\u5c06\u8ba8\u8bbaRS232\u548cRS485\u534f\u8bae\u8bbe\u7f6e\u7684\u539f\u7406\uff0c\u4ee5\u53ca\u5982\u4f55\u6709\u6548\u5730\u4f7f\u7528\u5b83\u4eec\u3002<\/p>\n

RS232\u534f\u8bae\u8bbe\u7f6e <\/h2>\n

  RS232\u534f\u8bae\u8bbe\u7f6e\u662f\u4e00\u79cd\u6807\u51c6\u4e32\u884c\u63a5\u53e3\uff0c\u5b83\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u8ba1\u7b97\u673a\u548c\u5916\u90e8\u8bbe\u5907\uff0c\u4ee5\u53ca\u7528\u4e8e\u63a7\u5236\u5916\u90e8\u8bbe\u5907\u7684\u4fe1\u53f7\u4f20\u8f93\u3002RS232\u534f\u8bae\u6709\u4e00\u4e2a\u590d\u6742\u7684\u6807\u51c6\uff0c\u5176\u4e2d\u5305\u62ec\u7535\u538b\u8303\u56f4\u3001\u53d1\u9001\u548c\u63a5\u6536\u4fe1\u53f7\u7b49\u3002<\/p>\n

  RS232\u7535\u538b\u8303\u56f4 <\/h3>\n

  RS232\u7535\u538b\u8303\u56f4\u6307\u7684\u662f\u4fe1\u53f7\u53d1\u9001\u7684\u6700\u4f4e\u548c\u6700\u9ad8\u7535\u538b\uff0c\u5176\u4e2d\u6700\u4f4e\u7535\u538b\u79f0\u4e3a\u201c\u4f4e\u7535\u5e73\u201d\uff0c\u6700\u9ad8\u7535\u538b\u79f0\u4e3a\u201c\u9ad8\u7535\u5e73\u201d\u3002RS232\u6807\u51c6\u89c4\u5b9a\uff0c\u4f4e\u7535\u5e73\u7535\u538b\u4e3a-3V\u5230-25V\uff0c\u9ad8\u7535\u5e73\u7535\u538b\u4e3a3V\u523025V\u3002<\/p>\n

  RS232\u53d1\u9001\u548c\u63a5\u6536\u4fe1\u53f7 <\/h3>\n

  RS232\u534f\u8bae\u89c4\u5b9a\uff0c\u53d1\u9001\u548c\u63a5\u6536\u4fe1\u53f7\u7684\u683c\u5f0f\u5fc5\u987b\u7b26\u5408\u7279\u5b9a\u7684\u89c4\u8303\u3002\u53d1\u9001\u4fe1\u53f7\u5fc5\u987b\u662f\u4ee5\u201c1\u201d\u5f00\u5934\uff0c\u4ee5\u201c0\u201d\u7ed3\u5c3e\uff0c\u800c\u63a5\u6536\u4fe1\u53f7\u5219\u5fc5\u987b\u4ee5\u201c0\u201d\u5f00\u5934\uff0c\u4ee5\u201c1\u201d\u7ed3\u5c3e\u3002\u53d1\u9001\u548c\u63a5\u6536\u4fe1\u53f7\u7684\u4fe1\u53f7\u5f3a\u5ea6\u5fc5\u987b\u5728RS232\u6807\u51c6\u89c4\u5b9a\u7684\u8303\u56f4\u5185\u3002<\/p>\n

RS485\u534f\u8bae\u8bbe\u7f6e <\/h2>\n

  RS485\u534f\u8bae\u8bbe\u7f6e\u662f\u4e00\u79cd\u5e7f\u6cdb\u4f7f\u7528\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u591a\u53f0\u8ba1\u7b97\u673a\uff0c\u4ee5\u53ca\u63a7\u5236\u5916\u90e8\u8bbe\u5907\u7684\u4fe1\u53f7\u4f20\u8f93\u3002RS485\u534f\u8bae\u5177\u6709\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u3001\u53cc\u5de5\u901a\u4fe1\u3001\u5bb9\u9519\u80fd\u529b\u5f3a\u7b49\u7279\u70b9\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5de5\u4e1a\u63a7\u5236\u3001\u81ea\u52a8\u5316\u6d4b\u91cf\u7b49\u9886\u57df\u3002<\/p>\n

  RS485\u7535\u538b\u8303\u56f4 <\/h3>\n

  RS485\u7535\u538b\u8303\u56f4\u6307\u7684\u662f\u4fe1\u53f7\u53d1\u9001\u7684\u6700\u4f4e\u548c\u6700\u9ad8\u7535\u538b\uff0c\u5176\u4e2d\u6700\u4f4e\u7535\u538b\u79f0\u4e3a\u201c\u4f4e\u7535\u5e73\u201d\uff0c\u6700\u9ad8\u7535\u538b\u79f0\u4e3a\u201c\u9ad8\u7535\u5e73\u201d\u3002RS485\u6807\u51c6\u89c4\u5b9a\uff0c\u4f4e\u7535\u5e73\u7535\u538b\u4e3a-7V\u5230-12V\uff0c\u9ad8\u7535\u5e73\u7535\u538b\u4e3a7V\u523012V\u3002<\/p>\n

  RS485\u53d1\u9001\u548c\u63a5\u6536\u4fe1\u53f7 <\/h3>\n

  RS485\u534f\u8bae\u89c4\u5b9a\uff0c\u53d1\u9001\u548c\u63a5\u6536\u4fe1\u53f7\u7684\u683c\u5f0f\u5fc5\u987b\u7b26\u5408\u7279\u5b9a\u7684\u89c4\u8303\u3002\u53d1\u9001\u4fe1\u53f7\u5fc5\u987b\u662f\u4ee5\u201c1\u201d\u5f00\u5934\uff0c\u4ee5\u201c0\u201d\u7ed3\u5c3e\uff0c\u800c\u63a5\u6536\u4fe1\u53f7\u5219\u5fc5\u987b\u4ee5\u201c0\u201d\u5f00\u5934\uff0c\u4ee5\u201c1\u201d\u7ed3\u5c3e\u3002\u53d1\u9001\u548c\u63a5\u6536\u4fe1\u53f7\u7684\u4fe1\u53f7\u5f3a\u5ea6\u5fc5\u987b\u5728RS485\u6807\u51c6\u89c4\u5b9a\u7684\u8303\u56f4\u5185\u3002<\/p>\n

\u603b\u7ed3 <\/h2>\n

  \u672c\u6587\u4ecb\u7ecd\u4e86RS232\u548cRS485\u534f\u8bae\u8bbe\u7f6e\u7684\u539f\u7406\uff0c\u4ee5\u53ca\u5982\u4f55\u6709\u6548\u5730\u4f7f\u7528\u5b83\u4eec\u3002<\/strong>RS232\u548cRS485\u534f\u8bae\u90fd\u5305\u62ec\u4e86\u7535\u538b\u8303\u56f4\u3001\u53d1\u9001\u548c\u63a5\u6536\u4fe1\u53f7\u7b49\u5185\u5bb9\uff0c\u8fd9\u4e9b\u6807\u51c6\u5fc5\u987b\u4e25\u683c\u6309\u7167\u89c4\u5b9a\u6267\u884c\uff0c\u4ee5\u4fdd\u8bc1\u4fe1\u53f7\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

RS232\u548cRS485\u534f\u8bae\u8bbe\u7f6e\u662f\u6709\u6548\u63a7\u5236\u7cfb\u7edf\u7684\u5173\u952e\uff0c\u5b83\u4eec\u53ef\u4ee5\u63d0\u4f9b\u9ad8\u6548\u7684\u6570\u636e\u4f20\u8f93\uff0c\u5e76\u4e14\u53ef\u4ee5\u7528\u4e8e\u591a\u79cd\u5e94\u7528\u3002\u672c\u6587\u5c06\u8ba8\u8bbaRS232\u548cRS485\u534f\u8bae\u8bbe\u7f6e\u7684\u539f\u7406\uff0c\u4ee5\u53ca\u5982\u4f55\u6709\u6548\u5730\u4f7f\u7528\u5b83<\/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-46343","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\/46343","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=46343"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/46343\/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=46343"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=46343"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=46343"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}