{"id":96147,"date":"2024-07-30T14:27:33","date_gmt":"2024-07-30T06:27:33","guid":{"rendered":"\/\/www.dealsbon.com\/?p=96147"},"modified":"2024-07-30T14:27:38","modified_gmt":"2024-07-30T06:27:38","slug":"rjkbzjxgxyjs","status":"publish","type":"post","link":"\/\/www.dealsbon.com\/blog\/96147.html","title":{"rendered":"RS232\u63a5\u53e3\u6807\u51c6\u53ca\u76f8\u5173\u534f\u8bae\u4ecb\u7ecd"},"content":{"rendered":"\n<p>\u3000\u3000<strong>RS232\u63a5\u53e3\u6807\u51c6<\/strong>\u53ca\u5176\u76f8\u5173\u534f\u8bae\u662f\u8ba1\u7b97\u673a\u548c\u901a\u4fe1\u8bbe\u5907\u4e4b\u95f4\u8fdb\u884c\u4e32\u884c\u6570\u636e\u4f20\u8f93\u7684\u91cd\u8981\u6280\u672f\u89c4\u8303\u3002\u8be5\u6807\u51c6\u7531\u7f8e\u56fd\u7535\u5b50\u5de5\u4e1a\u534f\u4f1a(EIA)\u8054\u5408\u8d1d\u5c14\u7cfb\u7edf\u516c\u53f8\u3001\u8c03\u5236\u89e3\u8c03\u5668\u5382\u5bb6\u53ca\u8ba1\u7b97\u673a\u7ec8\u7aef\u751f\u4ea7\u5382\u5bb6\u4e8e1970\u5e74\u5171\u540c\u5236\u5b9a\uff0c\u5168\u79f0\u4e3a\u201c\u6570\u636e\u7ec8\u7aef\u8bbe\u5907(DTE)\u548c\u6570\u636e\u901a\u4fe1\u8bbe\u5907(DCE)\u4e4b\u95f4\u4e32\u884c\u4e8c\u8fdb\u5236\u6570\u636e\u4ea4\u6362\u63a5\u53e3\u6280\u672f\u6807\u51c6\u201d\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 RS232\u63a5\u53e3\u4ecb\u7ecd<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. RS232\u63a5\u53e3\u6807\u51c6\u6982\u8ff0<\/h3>\n\n\n\n<p>\u3000\u3000RS232\u63a5\u53e3\u6807\u51c6\u6700\u521d\u5b9a\u4e49\u4e86\u4f7f\u7528\u4e00\u4e2a25\u9488\u7684DB25\u8fde\u63a5\u5668\uff0c\u4f46\u4e5f\u67099\u9488\u7684DB9\u8fde\u63a5\u5668\u7248\u672c\uff0c\u5982EIA574\u6807\u51c6\u6240\u5b9a\u4e49\u7684\u5b50\u96c6\u3002RS232\u63a5\u53e3\u91c7\u7528\u5355\u7aef\u4e0d\u5e73\u8861\u4f20\u8f93\u65b9\u5f0f\uff0c\u8fd9\u610f\u5473\u7740\u6bcf\u4e2a\u6570\u636e\u4fe1\u53f7\u6cbf\u4e00\u6839\u5bfc\u7ebf\u4f20\u8f93\uff0c\u800c\u5dee\u5206\u4fe1\u53f7\u5219\u4f7f\u7528\u4e24\u6839\u5bfc\u7ebf\u4f20\u8f93\u4e00\u4e2a\u6570\u636e\u4fe1\u53f7\u3002\u8fd9\u79cd\u8bbe\u8ba1\u4f7f\u5f97RS232\u63a5\u53e3\u5728\u4f4e\u901f\u7387\u4e32\u884c\u901a\u8baf\u4e2d\u80fd\u591f\u589e\u52a0\u901a\u8baf\u8ddd\u79bb\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. RS232\u534f\u8bae\u7684\u5de5\u4f5c\u539f\u7406<\/h3>\n\n\n\n<p>\u3000\u3000RS232\u534f\u8bae\u901a\u8fc7\u5b9a\u4e49\u6570\u636e\u4f20\u8f93\u7684\u7535\u6c14\u7279\u6027\u3001\u534f\u8bae\u548c\u63a5\u53e3\u8fde\u63a5\u7b49\u65b9\u9762\u7684\u6807\u51c6\uff0c\u4e3a\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\u63d0\u4f9b\u4e86\u53ef\u9760\u7684\u89c4\u8303\u3002\u5176\u5de5\u4f5c\u539f\u7406\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u4e32\u884c-\u5e76\u884c\u8f6c\u6362<\/strong>\uff1a\u53d1\u9001\u7aef\u5c06\u6570\u636e\u7ecf\u8fc7\u4e32\u884c-\u5e76\u884c\u8f6c\u6362\uff0c\u5e76\u52a0\u4e0a\u6821\u9a8c\u4f4d\u540e\uff0c\u901a\u8fc7\u4e32\u884c\u4f20\u8f93\u7ebf\u8def\u53d1\u9001\u7ed9\u63a5\u6536\u7aef\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u4e32\u884c\u6570\u636e\u63a5\u6536\u4e0e\u89e3\u6790<\/strong>\uff1a\u63a5\u6536\u7aef\u518d\u5c06\u4e32\u884c\u6570\u636e\u8f6c\u6362\u4e3a\u5e76\u884c\u6570\u636e\uff0c\u8fdb\u884c\u6821\u9a8c\u548c\u89e3\u6790\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003. RS232\u534f\u8bae\u7684\u5e94\u7528\u9886\u57df<\/h3>\n\n\n\n<p>\u3000\u3000RS232\u534f\u8bae\u5e7f\u6cdb\u5e94\u7528\u4e8e\u8ba1\u7b97\u673a\u5916\u8bbe\u8fde\u63a5\u3001\u5de5\u4e1a\u63a7\u5236\u548c\u901a\u4fe1\u7cfb\u7edf\u7b49\u9886\u57df\u3002\u5b83\u4e0d\u4ec5\u7528\u4e8e\u8ba1\u7b97\u673a\u4e0e\u5916\u90e8\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\uff0c\u8fd8\u88ab\u7528\u4e8e\u8fdc\u7a0b\u63a7\u5236\u3001\u7ec8\u7aef\u63a7\u5236\u548c\u6570\u636e\u8bb0\u5f55\u7b49\u5e94\u7528\u3002\u4f8b\u5982\uff0c\u5728\u8001\u5f0fPC\u673a\u4e0a\u5c31\u914d\u7f6e\u6709RS232\u63a5\u53e3\uff0c\u7528\u4e8e\u8fde\u63a5\u6253\u5370\u673a\u3001\u8c03\u5236\u89e3\u8c03\u5668\u548c\u5176\u4ed6\u5916\u56f4\u8bbe\u5907\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30004. RS232\u534f\u8bae\u7684\u7535\u6c14\u7279\u6027<\/h3>\n\n\n\n<p>\u3000\u3000RS232\u534f\u8bae\u5b9a\u4e49\u4e86\u591a\u79cd\u91cd\u8981\u7684\u7535\u6c14\u7279\u6027\uff0c\u5305\u62ec\u4fe1\u53f7\u7535\u538b\u6c34\u5e73\u3001\u6ce2\u7279\u7387\u8303\u56f4\u4ee5\u53ca\u6700\u5927\u4f20\u8f93\u8ddd\u79bb\u7b49\u3002\u5177\u4f53\u6765\u8bf4\uff0cRS232\u6807\u51c6\u89c4\u5b9a\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\u4e3a50b\/s\u300175b\/s\u3001100b\/s\u3001150b\/s\u3001300b\/s\u3001600b\/s\u30011200b\/s\u30012400b\/s\u30014800b\/s\u30019600b\/s\u300119200b\/s\u7b49\uff0c\u9a71\u52a8\u5668\u5141\u8bb8\u67092500pF\u7684\u7535\u5bb9\u8d1f\u8f7d\uff0c\u901a\u4fe1\u8ddd\u79bb\u53d7\u6b64\u7535\u5bb9\u9650\u5236\uff0c\u901a\u5e38\u6700\u5927\u4f20\u8f93\u8ddd\u79bb\u4e3a15\u7c73\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30005. RS232\u534f\u8bae\u7684\u53d8\u4f53\u4e0e\u6269\u5c55<\/h3>\n\n\n\n<p>\u3000\u3000RS232\u534f\u8bae\u6709\u591a\u4e2a\u53d8\u4f53\u548c\u6269\u5c55\uff0c\u5176\u4e2d\u6700\u5e38\u89c1\u7684\u662fRS-232-C\u3002RS-232-C\u662f\u7f8e\u56fd\u7535\u5b50\u5de5\u4e1a\u534f\u4f1a(EIA)\u5236\u5b9a\u7684\u4e00\u79cd\u4e32\u884c\u7269\u7406\u63a5\u53e3\u6807\u51c6\uff0c\u5b83\u8bbe\u670925\u6761\u4fe1\u53f7\u7ebf\uff0c\u5305\u62ec\u4e00\u4e2a\u4e3b\u901a\u9053\u548c\u4e00\u4e2a\u8f85\u52a9\u901a\u9053\uff0c\u5728\u591a\u6570\u60c5\u51b5\u4e0b\u4e3b\u8981\u4f7f\u7528\u4e3b\u901a\u9053\u3002\u6b64\u5916\uff0cRS-422\u548cRS-485\u4e5f\u662f\u57fa\u4e8eRS-232\u53d1\u5c55\u800c\u6765\u7684\u6539\u8fdb\u7248\u672c\uff0c\u5206\u522b\u7528\u4e8e\u63d0\u9ad8\u901a\u4fe1\u8ddd\u79bb\u548c\u6297\u5e72\u6270\u80fd\u529b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30006. 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RS-232\u3001EIA 232\u4ee5\u53caTIA 232\u7b49\u540d\u79f0\u7684\u53d8\u5316\uff0c\u8fd9\u4e9b\u53d8\u5316\u53cd\u6620\u4e86\u4e0d\u540c\u7ec4\u7ec7\u5bf9\u6807\u51c6\u7684\u652f\u6301\u548c\u4fee\u8ba2\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5c3d\u7ba1\u65b0\u4e00\u4ee3\u63a5\u53e3\u6807\u51c6\u5982USB\u9010\u6e10\u53d6\u4ee3\u4e86RS232\u5728\u4e2a\u4eba\u8ba1\u7b97\u673a\u4e2d\u7684\u5e94\u7528\uff0c\u4f46RS232\u4ecd\u7136\u5728\u4e00\u4e9b\u8001\u65e7\u8bbe\u5907\u4e2d\u5e7f\u6cdb\u4f7f\u7528\uff0c\u4f8b\u5982\u5de5\u63a7\u8bbe\u5907\u548c\u6d4b\u8bd5\u4eea\u5668\u7b49\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 RS-422\u4e0eRS-485\u534f\u8bae\u76f8\u6bd4\uff0c\u63d0\u9ad8\u4e86\u54ea\u4e9b\u901a\u4fe1\u6027\u80fd<\/h2>\n\n\n\n<p>\u3000\u3000RS-422\u4e0eRS-485\u534f\u8bae\u76f8\u6bd4\uff0c\u5177\u4f53\u63d0\u9ad8\u4e86\u4ee5\u4e0b\u901a\u4fe1\u6027\u80fd\u6307\u6807\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u4f20\u8f93\u901f\u7387<\/strong>\uff1aRS-422\u7684\u6700\u9ad8\u6570\u636e\u4f20\u8f93\u901f\u7387\u53ef\u4ee5\u8fbe\u523010 Mbps\uff0c\u800cRS-485\u7684\u6700\u9ad8\u6570\u636e\u4f20\u8f93\u901f\u7387\u5219\u4e3a40 Mbps\u3002\u8fd9\u8868\u660e\u5728\u76f8\u540c\u6761\u4ef6\u4e0b\uff0cRS-485\u7684\u4f20\u8f93\u901f\u7387\u9ad8\u4e8eRS-422.<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u8fde\u63a5\u8bbe\u5907\u6570\u91cf<\/strong>\uff1aRS-422\u5141\u8bb8\u5728\u4e00\u6761\u5e73\u8861\u7ebf\u4e0a\u6700\u591a\u8fde\u63a510\u4e2a\u63a5\u6536\u5668\uff0c\u800cRS-485\u53ef\u4ee5\u652f\u6301\u591a\u8fbe32\u4e2a\u53d1\u9001\u5668\u548c32\u4e2a\u63a5\u6536\u5668\u3002\u8fd9\u610f\u5473\u7740RS-485\u5728\u591a\u70b9\u901a\u4fe1\u65b9\u9762\u5177\u6709\u66f4\u9ad8\u7684\u7075\u6d3b\u6027\u548c\u6269\u5c55\u80fd\u529b\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4f20\u8f93\u8ddd\u79bb<\/strong>\uff1a\u867d\u7136RS-422\u53ef\u4ee5\u5728\u4e00\u5b9a\u6761\u4ef6\u4e0b\u5b9e\u73b0\u6700\u957f4000\u82f1\u5c3a(\u7ea61200\u7c73)\u7684\u4f20\u8f93\u8ddd\u79bb\uff0c\u4f46RS-485\u901a\u5e38\u9700\u8981\u5728\u4f20\u8f93\u7ebf\u4e0a\u63a5\u7ec8\u7ed3\u7535\u963b\u4ee5\u786e\u4fdd\u4fe1\u53f7\u8d28\u91cf\uff0c\u4ece\u800c\u53ef\u80fd\u5f71\u54cd\u5176\u6700\u5927\u4f20\u8f93\u8ddd\u79bb\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7535\u6c14\u7279\u6027<\/strong>\uff1aRS-422\u548cRS-485\u90fd\u91c7\u7528\u5e73\u8861\u8f93\u51fa\u548c\u5dee\u5206\u8f93\u5165\uff0c\u63d0\u4f9b\u8f83\u597d\u7684\u6297\u566a\u58f0\u80fd\u529b\u3002\u4e0d\u8fc7\uff0cRS-485\u7684\u5171\u6a21\u8f93\u51fa\u7535\u538b\u8303\u56f4\u66f4\u5bbd(-7V\u81f3+12V)\uff0c\u63a5\u6536\u5668\u6700\u5c0f\u8f93\u5165\u963b\u6297\u66f4\u9ad8(12k\u03a9)\uff0c\u8fd9\u4f7f\u5f97\u5b83\u5728\u67d0\u4e9b\u5e94\u7528\u573a\u666f\u4e0b\u66f4\u5177\u4f18\u52bf\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u603b\u7ed3\u6765\u8bf4\uff0cRS-422\u4e3b\u8981\u63d0\u9ad8\u4e86\u4f20\u8f93\u901f\u7387\u548c\u8fde\u63a5\u8bbe\u5907\u6570\u91cf\uff0c\u800cRS-485\u5219\u5728\u4f20\u8f93\u901f\u7387\u3001\u8fde\u63a5\u8bbe\u5907\u6570\u91cf\u4ee5\u53ca\u7535\u6c14\u7279\u6027\u4e0a\u6709\u6240\u63d0\u5347\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 \u5728\u73b0\u4ee3\u8ba1\u7b97\u673a\u5916\u8bbe\u8fde\u63a5\u4e2d\uff0c\u9664\u4e86RS232\u4e4b\u5916\uff0c\u8fd8\u6709\u54ea\u4e9b\u5176\u4ed6\u91cd\u8981\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6?<\/h2>\n\n\n\n<p>\u3000\u3000\u5728\u73b0\u4ee3\u8ba1\u7b97\u673a\u5916\u8bbe\u8fde\u63a5\u4e2d\uff0c\u9664\u4e86RS232\u4e4b\u5916\uff0c\u8fd8\u6709\u5176\u4ed6\u51e0\u79cd\u91cd\u8981\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\u3002\u8fd9\u4e9b\u6807\u51c6\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>RS-422<\/strong>\uff1a\u8fd9\u662f\u7531\u7f8e\u56fd\u7535\u5b50\u5de5\u4e1a\u534f\u4f1a(EIA)\u5236\u5b9a\u7684\u4e00\u79cd\u5e73\u8861\u4f20\u8f93\u89c4\u8303\uff0c\u4f7f\u7528\u4e00\u5bf9\u53cc\u7ede\u7ebf\u5c06\u5176\u4e2d\u4e00\u7ebf\u5b9a\u4e49\u4e3aA\uff0c\u53e6\u4e00\u7ebf\u5b9a\u4e49\u4e3aB\uff0c\u5e76\u5141\u8bb8\u5728\u4e00\u6761\u5e73\u8861\u603b\u7ebf\u4e0a\u8fde\u63a5\u6700\u591a10\u4e2a\u63a5\u6536\u5668\u3002RS-422\u6807\u51c6\u5177\u6709\u591a\u70b9\u3001\u53cc\u5411\u901a\u4fe1\u80fd\u529b\u548c\u51b2\u7a81\u4fdd\u62a4\u7279\u6027\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>RS-485<\/strong>\uff1a\u8fd9\u662f\u57fa\u4e8eRS-422\u7684\u53d8\u578b\uff0c\u589e\u52a0\u4e86\u591a\u70b9\u3001\u53cc\u5411\u901a\u4fe1\u80fd\u529b\u548c\u51b2\u7a81\u4fdd\u62a4\u7279\u6027\u3002\u5b83\u9002\u7528\u4e8e\u9700\u8981\u957f\u8ddd\u79bb\u548c\u591a\u8bbe\u5907\u8fde\u63a5\u7684\u5e94\u7528\u573a\u666f\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>RS-449<\/strong>\uff1a\u8fd9\u662fEIA\u4e8e1977\u5e74\u5236\u8ba2\u7684\u65b0\u6807\u51c6\uff0c\u589e\u52a0\u4e86\u7535\u8def\u529f\u80fd\u5e76\u652f\u6301\u66f4\u9ad8\u7684\u6570\u636e\u4f20\u9001\u901f\u7387\u548c\u66f4\u8fdc\u7684\u4f20\u8f93\u8ddd\u79bb\u3002RS-449\u662fRS-423\/422\u7684\u524d\u8eab\uff0c\u800cRS-423\u53c8\u662fRS-449\u7684\u5b50\u96c6\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>RS-423<\/strong>\uff1a\u8fd9\u662fRS-449\u7684\u4e00\u4e2a\u5b50\u96c6\uff0c\u4e3b\u8981\u7528\u4e8e\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u901f\u7387\u548c\u901a\u4fe1\u8ddd\u79bb\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>20mA\u7535\u6d41\u73af<\/strong>\uff1a\u8fd9\u662f\u4e00\u79cd\u975e\u6807\u51c6\u7684\u4e32\u884c\u63a5\u53e3\u7535\u8def\uff0c\u56e0\u5176\u7b80\u5355\u4e14\u5bf9\u7535\u6c14\u566a\u58f0\u4e0d\u654f\u611f\u800c\u5728\u4e32\u884c\u901a\u4fe1\u4e2d\u5e7f\u6cdb\u4f7f\u7528\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>CAN\u901a\u4fe1<\/strong>\uff1a\u8fd9\u79cd\u6807\u51c6\u5728\u6c7d\u8f66\u7535\u5b50\u548c\u5de5\u4e1a\u81ea\u52a8\u5316\u9886\u57df\u4e2d\u975e\u5e38\u5e38\u89c1\uff0c\u5177\u6709\u9ad8\u53ef\u9760\u6027\u548c\u6297\u5e72\u6270\u80fd\u529b\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u4ee5\u4e0a\u8fd9\u4e9b\u6807\u51c6\u5404\u6709\u5176\u72ec\u7279\u7684\u5e94\u7528\u573a\u666f\u548c\u4f18\u52bf\uff0c\u4f8b\u5982RS-485\u9002\u5408\u957f\u8ddd\u79bb\u548c\u591a\u8bbe\u5907\u8fde\u63a5\uff0c\u800cCAN\u5219\u5728\u6c7d\u8f66\u7535\u5b50\u548c\u5de5\u4e1a\u81ea\u52a8\u5316\u4e2d\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e94\u3001 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