{"id":78642,"date":"2024-01-03T12:10:40","date_gmt":"2024-01-03T04:10:40","guid":{"rendered":"\/\/www.dealsbon.com\/?p=78642"},"modified":"2024-01-03T12:10:40","modified_gmt":"2024-01-03T04:10:40","slug":"ydqb","status":"publish","type":"post","link":"\/\/www.dealsbon.com\/blog\/78642.html","title":{"rendered":"232\u4e0e485\u7684\u533a\u522b"},"content":{"rendered":"

  \u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd232\u548c485\u63a5\u53e3\u7684\u533a\u522b\uff0c\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u8fd9\u4e24\u79cd\u5e38\u89c1\u7684\u6570\u636e\u901a\u8baf\u6807\u51c6\u3002<\/p>\n

232\u63a5\u53e3<\/h2>\n

  \u5728\u4fe1\u606f\u4f20\u8f93\u9886\u57df\uff0c232\u63a5\u53e3\u901a\u5e38\u6307RS-232\u63a5\u53e3\u3002\u8fd9\u79cd\u63a5\u53e3\u662f\u4e00\u79cd\u6807\u51c6\u4e32\u884c\u901a\u8baf\u63a5\u53e3\uff0c\u7528\u4e8e\u5728\u6570\u636e\u901a\u4fe1\u4e2d\u4f20\u8f93\u6570\u5b57\u4fe1\u53f7\u3002RS-232\u63a5\u53e3\u901a\u5e38\u7528\u4e8e\u8fde\u63a5\u8ba1\u7b97\u673a\u4e0e\u5916\u90e8\u8bbe\u5907\uff0c\u5982\u8c03\u5236\u89e3\u8c03\u5668\u3001\u6253\u5370\u673a\u7b49\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd232\u63a5\u53e3\u7684\u7279\u70b9\u548c\u5e94\u7528\u3002<\/p>\n

  RS-232\u7279\u70b9<\/h3>\n

  RS-232\u63a5\u53e3\u4f7f\u7528\u5355\u5de5\u6216\u534a\u53cc\u5de5\u901a\u4fe1\u65b9\u5f0f\uff0c\u5373\u901a\u4fe1\u53cc\u65b9\u9700\u4ea4\u66ff\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u3002\u5b83\u4f7f\u7528\u8d1f\u7535\u538b\u8868\u793a\u903b\u8f911\uff0c\u6b63\u7535\u538b\u8868\u793a\u903b\u8f910\u3002\u6b64\u5916\uff0cRS-232\u8fd8\u4f7f\u7528DB-9\u6216DB-25\u8fde\u63a5\u5668\uff0c\u5e76\u4e14\u9700\u8981\u4e00\u5bf9\u4f20\u8f93\u7ebf\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002<\/p>\n

  RS-232\u5e94\u7528<\/h3>\n

  RS-232\u63a5\u53e3\u5728\u8fc7\u53bb\u51e0\u5341\u5e74\u5e7f\u6cdb\u5e94\u7528\u4e8e\u8ba1\u7b97\u673a\u548c\u5916\u90e8\u8bbe\u5907\u7684\u8fde\u63a5\u4e2d\u3002\u867d\u7136\u73b0\u5728\u5927\u90e8\u5206\u65b0\u8bbe\u5907\u4f7f\u7528\u66f4\u5148\u8fdb\u7684\u901a\u8baf\u6807\u51c6\uff0c\u4f46\u5728\u4e00\u4e9b\u65e7\u8bbe\u5907\u4e2d\uff0c\u6211\u4eec\u4ecd\u53ef\u4ee5\u770b\u5230RS-232\u63a5\u53e3\u7684\u8eab\u5f71\u3002<\/p>\n

485\u63a5\u53e3<\/h2>\n

  485\u63a5\u53e3\uff0c\u5373RS-485\u63a5\u53e3\uff0c\u662f\u4e00\u79cd\u591a\u70b9\u4f20\u8f93\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\u3002\u4e0eRS-232\u63a5\u53e3\u76f8\u6bd4\uff0cRS-485\u80fd\u591f\u540c\u65f6\u5141\u8bb8\u591a\u4e2a\u8bbe\u5907\u8fdb\u884c\u901a\u4fe1\uff0c\u5177\u6709\u66f4\u9ad8\u7684\u4f20\u8f93\u8ddd\u79bb\u548c\u6297\u5e72\u6270\u80fd\u529b\u3002\u63a5\u4e0b\u6765\u6211\u4eec\u5c06\u8be6\u7ec6\u63a2\u8ba8485\u63a5\u53e3\u7684\u7279\u70b9\u548c\u4f18\u52bf\u3002<\/p>\n

  RS-485\u7279\u70b9<\/h3>\n

  RS-485\u63a5\u53e3\u4f7f\u7528\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\u6570\u636e\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u53ef\u4ee5\u5728\u4e0d\u540c\u5730\u70b9\u7684\u8bbe\u5907\u4e4b\u95f4\u4f20\u8f93\u4fe1\u53f7\uff0c\u540c\u65f6\u5177\u6709\u66f4\u597d\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002\u6b64\u5916\uff0cRS-485\u652f\u6301\u591a\u70b9\u901a\u4fe1\uff0c\u6700\u591a\u5141\u8bb832\u53f0\u8bbe\u5907\u540c\u65f6\u8fdb\u884c\u901a\u4fe1\u3002<\/p>\n

  RS-485\u4f18\u52bf<\/h3>\n

  RS-485\u63a5\u53e3\u9002\u7528\u4e8e\u9700\u8981\u8fdc\u8ddd\u79bb\u4f20\u8f93\u548c\u591a\u8bbe\u5907\u901a\u4fe1\u7684\u573a\u5408\uff0c\u4f8b\u5982\u5de5\u4e1a\u81ea\u52a8\u5316\u3001\u697c\u5b87\u81ea\u52a8\u5316\u7b49\u9886\u57df\u3002\u5728\u8fd9\u4e9b\u9886\u57df\uff0cRS-485\u63a5\u53e3\u5df2\u6210\u4e3a\u5e38\u7528\u7684\u901a\u8baf\u6807\u51c6\uff0c\u56e0\u4e3a\u5b83\u80fd\u591f\u6ee1\u8db3\u590d\u6742\u7684\u901a\u8baf\u9700\u6c42\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

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