{"id":29446,"date":"2023-09-16T18:52:32","date_gmt":"2023-09-16T10:52:32","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=29446"},"modified":"2023-09-16T18:52:32","modified_gmt":"2023-09-16T10:52:32","slug":"txxhcdk","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/29446.html","title":{"rendered":"\u901a\u8baf\u4fe1\u53f7COM\u7aef\u53e3"},"content":{"rendered":"

  COM\u7aef\u53e3\uff0c\u4e5f\u79f0\u4e3a\u4e32\u884c\u7aef\u53e3\uff0c\u662f\u4e00\u79cd\u4e3b\u673a\u4e0e\u5916\u90e8\u8bbe\u5907\u8fdb\u884c\u901a\u8baf\u7684\u63a5\u53e3\u3002\u5b83\u662f\u4e00\u79cd\u53cc\u5411\u7684\u901a\u8baf\u63a5\u53e3\uff0c\u53ef\u4ee5\u540c\u65f6\u4f20\u8f93\u6570\u636e\u548c\u63a7\u5236\u4fe1\u53f7\uff0c\u662f\u4e00\u79cd\u975e\u5e38\u7075\u6d3b\u7684\u63a5\u53e3\u3002\u5b83\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u5916\u63a5\u8bbe\u5907\uff0c\u5982\u6253\u5370\u673a\u3001\u78c1\u5e26\u673a\u3001\u7ed8\u56fe\u4eea\u7b49\uff0c\u4e5f\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u7f51\u7edc\u8bbe\u5907\uff0c\u5982\u8def\u7531\u5668\u3001\u7f51\u7edc\u6253\u5370\u673a\u7b49\u3002<\/p>\n

COM\u7aef\u53e3\u7684\u79cd\u7c7b<\/h2>\n

  COM\u7aef\u53e3\u7684\u79cd\u7c7b\u4e3b\u8981\u6709RS-232\u3001RS-422\u548cRS-485\u4e09\u79cd\u3002RS-232\u662f\u6700\u5e38\u7528\u7684\u4e00\u79cd\uff0c\u5b83\u53ef\u4ee5\u4f20\u8f93\u6570\u636e\u901f\u7387\u8f83\u4f4e\uff0c\u6700\u9ad8\u53ef\u8fbe115200bps\uff0c\u9002\u7528\u4e8e\u8fde\u63a5\u7b80\u5355\u7684\u5916\u90e8\u8bbe\u5907\uff0c\u5982\u6253\u5370\u673a\u3001\u78c1\u5e26\u673a\u7b49\u3002RS-422\u548cRS-485\u53ef\u4ee5\u4f20\u8f93\u6570\u636e\u901f\u7387\u8f83\u9ad8\uff0c\u6700\u9ad8\u53ef\u8fbe10Mbps\uff0c\u9002\u7528\u4e8e\u8fde\u63a5\u590d\u6742\u7684\u5916\u90e8\u8bbe\u5907\uff0c\u5982\u8def\u7531\u5668\u3001\u7f51\u7edc\u6253\u5370\u673a\u7b49\u3002<\/p>\n

RS-232\u7aef\u53e3<\/h3>\n

  RS-232\u7aef\u53e3\u662f\u4e00\u79cd\u5e38\u7528\u7684\u4e32\u884c\u7aef\u53e3\uff0c\u5b83\u53ef\u4ee5\u4f20\u8f93\u6570\u636e\u901f\u7387\u8f83\u4f4e\uff0c\u6700\u9ad8\u53ef\u8fbe115200bps\uff0c\u4e3b\u8981\u7528\u4e8e\u8fde\u63a5\u7b80\u5355\u7684\u5916\u90e8\u8bbe\u5907\uff0c\u5982\u6253\u5370\u673a\u3001\u78c1\u5e26\u673a\u7b49\u3002\u5b83\u7684\u7279\u70b9\u662f\u53ef\u4ee5\u4f20\u8f93\u591a\u79cd\u7c7b\u578b\u7684\u6570\u636e\uff0c\u5305\u62ec\u6587\u672c\u3001\u56fe\u50cf\u3001\u97f3\u9891\u7b49\uff0c\u800c\u4e14\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u901a\u8baf\u534f\u8bae\uff0c\u5982X.25\u3001SDLC\u7b49\u3002<\/p>\n

RS-422\u7aef\u53e3<\/h3>\n

  RS-422\u7aef\u53e3\u662f\u4e00\u79cd\u9ad8\u901f\u7684\u4e32\u884c\u7aef\u53e3\uff0c\u5b83\u53ef\u4ee5\u4f20\u8f93\u6570\u636e\u901f\u7387\u8f83\u9ad8\uff0c\u6700\u9ad8\u53ef\u8fbe10Mbps\uff0c\u4e3b\u8981\u7528\u4e8e\u8fde\u63a5\u590d\u6742\u7684\u5916\u90e8\u8bbe\u5907\uff0c\u5982\u8def\u7531\u5668\u3001\u7f51\u7edc\u6253\u5370\u673a\u7b49\u3002\u5b83\u7684\u7279\u70b9\u662f\u4fe1\u53f7\u4f20\u8f93\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u52301.2\u516c\u91cc\uff0c\u800c\u4e14\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u901a\u8baf\u534f\u8bae\uff0c\u5982HDLC\u3001SDLC\u7b49\u3002<\/p>\n

RS-485\u7aef\u53e3<\/h3>\n

  RS-485\u7aef\u53e3\u662f\u4e00\u79cd\u9ad8\u901f\u7684\u4e32\u884c\u7aef\u53e3\uff0c\u5b83\u53ef\u4ee5\u4f20\u8f93\u6570\u636e\u901f\u7387\u8f83\u9ad8\uff0c\u6700\u9ad8\u53ef\u8fbe10Mbps\uff0c\u4e3b\u8981\u7528\u4e8e\u8fde\u63a5\u590d\u6742\u7684\u5916\u90e8\u8bbe\u5907\uff0c\u5982\u8def\u7531\u5668\u3001\u7f51\u7edc\u6253\u5370\u673a\u7b49\u3002\u5b83\u7684\u7279\u70b9\u662f\u4fe1\u53f7\u4f20\u8f93\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u52304.2\u516c\u91cc\uff0c\u800c\u4e14\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u901a\u8baf\u534f\u8bae\uff0c\u5982HDLC\u3001SDLC\u7b49\u3002<\/p>\n

COM\u7aef\u53e3\u7684\u5e94\u7528<\/h2>\n

  COM\u7aef\u53e3\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u5916\u63a5\u8bbe\u5907\uff0c\u5982\u6253\u5370\u673a\u3001\u78c1\u5e26\u673a\u3001\u7ed8\u56fe\u4eea\u7b49\uff0c\u4e5f\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u7f51\u7edc\u8bbe\u5907\uff0c\u5982\u8def\u7531\u5668\u3001\u7f51\u7edc\u6253\u5370\u673a\u7b49\u3002COM\u7aef\u53e3\u8fd8\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u73b0\u573a\u8bbe\u5907\uff0c\u5982PLC\u3001\u53d8\u9891\u5668\u3001\u4f20\u611f\u5668\u7b49\uff0c\u53ef\u4ee5\u5b9e\u73b0\u73b0\u573a\u8bbe\u5907\u7684\u63a7\u5236\u548c\u76d1\u63a7\u3002\u6b64\u5916\uff0cCOM\u7aef\u53e3\u8fd8\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u591a\u53f0\u4e3b\u673a\uff0c\u5b9e\u73b0\u7f51\u7edc\u95f4\u7684\u6570\u636e\u4f20\u8f93\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  COM\u7aef\u53e3\u662f\u4e00\u79cd\u53cc\u5411\u7684\u901a\u8baf\u63a5\u53e3\uff0c\u53ef\u4ee5\u540c\u65f6\u4f20\u8f93\u6570\u636e\u548c\u63a7\u5236\u4fe1\u53f7\uff0c\u662f\u4e00\u79cd\u975e\u5e38\u7075\u6d3b\u7684\u63a5\u53e3\u3002<\/strong>\u5b83\u7684\u79cd\u7c7b\u4e3b\u8981\u6709RS-232\u3001RS-422\u548cRS-485\u4e09\u79cd\uff0c\u5176\u4e2dRS-232\u53ef\u4ee5\u4f20\u8f93\u6570\u636e\u901f\u7387\u8f83\u4f4e\uff0c\u6700\u9ad8\u53ef\u8fbe115200bps\uff0c\u800cRS-422\u548cRS-485\u53ef\u4ee5\u4f20\u8f93\u6570\u636e\u901f\u7387\u8f83\u9ad8\uff0c\u6700\u9ad8\u53ef\u8fbe10Mbps\u3002COM\u7aef\u53e3\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u5916\u63a5\u8bbe\u5907\uff0c\u5982\u6253\u5370\u673a\u3001\u78c1\u5e26\u673a\u3001\u7ed8\u56fe\u4eea\u7b49\uff0c\u4e5f\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u7f51\u7edc\u8bbe\u5907\uff0c\u5982\u8def\u7531\u5668\u3001\u7f51\u7edc\u6253\u5370\u673a\u7b49\uff0c\u751a\u81f3\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u73b0\u573a\u8bbe\u5907\uff0c\u5982PLC\u3001\u53d8\u9891\u5668\u3001\u4f20\u611f\u5668\u7b49\uff0c\u53ef\u4ee5\u5b9e\u73b0\u73b0\u573a\u8bbe\u5907\u7684\u63a7\u5236\u548c\u76d1\u63a7\uff0c\u4ee5\u53ca\u591a\u53f0\u4e3b\u673a\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

COM\u7aef\u53e3\uff0c\u4e5f\u79f0\u4e3a\u4e32\u884c\u7aef\u53e3\uff0c\u662f\u4e00\u79cd\u4e3b\u673a\u4e0e\u5916\u90e8\u8bbe\u5907\u8fdb\u884c\u901a\u8baf\u7684\u63a5\u53e3\u3002\u5b83\u662f\u4e00\u79cd\u53cc\u5411\u7684\u901a\u8baf\u63a5\u53e3\uff0c\u53ef\u4ee5\u540c\u65f6\u4f20\u8f93\u6570\u636e\u548c\u63a7\u5236\u4fe1\u53f7\uff0c\u662f\u4e00\u79cd\u975e\u5e38\u7075\u6d3b\u7684\u63a5\u53e3\u3002\u5b83\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u5916\u63a5\u8bbe\u5907\uff0c\u5982\u6253\u5370\u673a<\/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":[45],"class_list":["post-29446","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-txxt"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/29446"}],"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=29446"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/29446\/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=29446"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=29446"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=29446"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}