{"id":78801,"date":"2023-12-28T15:55:21","date_gmt":"2023-12-28T07:55:21","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=78801"},"modified":"2023-12-28T15:55:21","modified_gmt":"2023-12-28T07:55:21","slug":"rjkljsgxdylyyy","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/78801.html","title":{"rendered":"RS232\u63a5\u53e3\u8fde\u63a5\u4e09\u6839\u7ebf\u7684\u539f\u7406\u4e0e\u5e94\u7528"},"content":{"rendered":"

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RS232\u63a5\u53e3\u57fa\u672c\u539f\u7406<\/h2>\n

  RS232\u63a5\u53e3\u901a\u8fc7\u4e32\u884c\u6570\u636e\u4f20\u8f93\u6765\u5b9e\u73b0\u901a\u4fe1\uff0c\u6700\u5c11\u9700\u8981\u8fde\u63a5\u4e09\u6839\u7ebf\uff0c\u5206\u522b\u662f\u6570\u636e\u7ebf\uff08TXD\u548cRXD\uff09\u3001\u5730\u7ebf\uff08GND\uff09\u548c\u63a7\u5236\u7ebf\uff08DTR\uff09\u3002\u6570\u636e\u7ebf\u7528\u4e8e\u5b9e\u73b0\u53cc\u5411\u7684\u6570\u636e\u4f20\u8f93\uff0c\u5730\u7ebf\u7528\u4e8e\u7535\u6c14\u63a5\u5730\uff0c\u63a7\u5236\u7ebf\u7528\u4e8e\u6570\u636e\u4f20\u8f93\u7684\u63a7\u5236\u548c\u7ba1\u7406\u3002\u8fd9\u79cd\u7b80\u5355\u4f46\u6709\u6548\u7684\u8fde\u63a5\u65b9\u5f0f\u4f7f\u5f97RS232\u63a5\u53e3\u5728\u5404\u79cd\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\u4e2d\u5f97\u5230\u4e86\u5e7f\u6cdb\u7684\u5e94\u7528\u3002<\/p>\n

  \u6570\u636e\u7ebf<\/h3>\n

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  \u5730\u7ebf<\/h3>\n

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  \u63a7\u5236\u7ebf<\/h3>\n

  DTR\uff08\u6570\u636e\u7ec8\u7aef\u5c31\u7eea\uff09\u662fRS232\u63a5\u53e3\u4e2d\u7684\u4e00\u6761\u63a7\u5236\u7ebf\uff0c\u5b83\u7528\u4e8e\u63a7\u5236\u6570\u636e\u4f20\u8f93\u7684\u5f00\u59cb\u548c\u7ed3\u675f\u3002\u901a\u8fc7DTR\u7ebf\u7684\u63a7\u5236\uff0c\u53d1\u9001\u7aef\u548c\u63a5\u6536\u7aef\u53ef\u4ee5\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u7684\u540c\u6b65\u548c\u7ba1\u7406\u3002<\/p>\n

RS232\u63a5\u53e3\u7684\u5e94\u7528<\/h2>\n

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  \u8ba1\u7b97\u673a\u4e0e\u5916\u56f4\u8bbe\u5907<\/h3>\n

  \u5728\u8ba1\u7b97\u673a\u4e0e\u5916\u56f4\u8bbe\u5907\u7684\u8fde\u63a5\u4e2d\uff0cRS232\u63a5\u53e3\u5e38\u7528\u4e8e\u4e32\u884c\u901a\u4fe1\uff0c\u5982\u6253\u5370\u673a\u3001\u626b\u63cf\u4eea\u3001\u7ed8\u56fe\u4eea\u7b49\u8bbe\u5907\u7684\u8fde\u63a5\u3002\u901a\u8fc7RS232\u63a5\u53e3\uff0c\u8ba1\u7b97\u673a\u53ef\u4ee5\u4e0e\u8fd9\u4e9b\u5916\u56f4\u8bbe\u5907\u8fdb\u884c\u9ad8\u6548\u5730\u6570\u636e\u4ea4\u6362\uff0c\u5e76\u5b9e\u73b0\u5404\u79cd\u529f\u80fd\u7684\u6269\u5c55\u3002<\/p>\n

  \u6570\u636e\u901a\u4fe1\u8bbe\u5907<\/h3>\n

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  \u5de5\u4e1a\u81ea\u52a8\u5316\u8bbe\u5907<\/h3>\n

  \u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u9886\u57df\uff0cRS232<\/a>\u63a5\u53e3\u5e38\u7528\u4e8e\u5de5\u4e1a\u76d1\u63a7\u8bbe\u5907\u3001PLC\uff08\u53ef\u7f16\u7a0b\u903b\u8f91\u63a7\u5236\u5668\uff09\u548c\u5176\u4ed6\u81ea\u52a8\u5316<\/a>\u8bbe\u5907\u7684\u8fde\u63a5\u3002\u901a\u8fc7RS232\u63a5\u53e3\uff0c\u8fd9\u4e9b\u8bbe\u5907\u53ef\u4ee5\u5b9e\u73b0\u6570\u636e\u7684\u53ef\u9760\u4f20\u8f93\u548c\u901a\u4fe1\uff0c\u4ece\u800c\u63d0\u9ad8\u5de5\u4e1a\u751f\u4ea7\u7684\u6548\u7387\u548c\u7cbe\u5ea6\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

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