{"id":78650,"date":"2023-12-29T21:13:22","date_gmt":"2023-12-29T13:13:22","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=78650"},"modified":"2023-12-29T21:13:22","modified_gmt":"2023-12-29T13:13:22","slug":"hkytsddhm","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/78650.html","title":{"rendered":"232\u548c485\u53ef\u4ee5\u540c\u65f6\u6253\u7535\u8bdd\u5417"},"content":{"rendered":"

  \u672c\u6587\u5c06\u63a2\u8ba8232\u548c485\u901a\u4fe1\u6807\u51c6\uff0c\u5e76\u89e3\u7b54\u5b83\u4eec\u662f\u5426\u53ef\u4ee5\u540c\u65f6\u7528\u4e8e\u901a\u8bdd\u3002<\/p>\n

232\u901a\u4fe1\u6807\u51c6<\/h2>\n

  \u5728\u4ecb\u7ecd232\u901a\u4fe1\u6807\u51c6\u4e4b\u524d\uff0c\u5148\u4e86\u89e3\u4e00\u4e0bRS-232\uff0c\u5b83\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u4e32\u884c\u901a\u4fe1\u63a5\u53e3\u6807\u51c6\u3002RS-232\u6807\u51c6\u5b9a\u4e49\u4e86\u7535\u6c14\u7279\u6027\u3001\u4fe1\u53f7\u89c4\u8303\u548c\u8fde\u63a5\u5668\u7c7b\u578b\u3002\u5b83\u5e7f\u6cdb\u7528\u4e8e\u8fde\u63a5\u8ba1\u7b97\u673a\u548c\u5916\u90e8\u8bbe\u5907\uff0c\u6bd4\u5982\u8c03\u5236\u89e3\u8c03\u5668\u3001\u6253\u5370\u673a\u548c\u6570\u63a7\u673a\u5e8a\u3002<\/p>\n

  RS-232\u7535\u6c14\u7279\u6027<\/h3>\n

  RS-232\u4f7f\u7528\u6b63\u8d1f\u7535\u5e73\u8868\u793a\u903b\u8f911\u548c\u903b\u8f910\uff0c\u5176\u4e2d\u6b63\u7535\u5e73\u901a\u5e38\u4ee3\u8868\u903b\u8f910\uff0c\u8d1f\u7535\u5e73\u4ee3\u8868\u903b\u8f911\u3002\u8fd9\u79cd\u7535\u5e73\u8868\u793a\u65b9\u6cd5\u88ab\u79f0\u4e3aTTL\u8f6c\u6362\uff0c\u5141\u8bb8RS-232\u8bbe\u5907\u5728\u4e0d\u540c\u7684\u7535\u5e73\u8303\u56f4\u5185\u6b63\u5e38\u5de5\u4f5c\u3002<\/p>\n

  RS-232\u8fde\u63a5\u5668\u7c7b\u578b<\/h3>\n

  RS-232\u8fde\u63a5\u5668\u901a\u5e38\u4f7f\u7528DB-9\u6216DB-25\u63a5\u53e3\uff0c\u5b83\u4eec\u5206\u522b\u5177\u67099\u621625\u4e2a\u5f15\u811a\u3002\u8fd9\u4e9b\u5f15\u811a\u5305\u62ec\u6570\u636e\u4f20\u8f93\u7ebf\u3001\u63a7\u5236\u4fe1\u53f7\u548c\u5730\u7ebf\uff0c\u63d0\u4f9b\u4e86\u7075\u6d3b\u7684\u8fde\u63a5\u9009\u9879\u3002<\/p>\n

485\u901a\u4fe1\u6807\u51c6<\/h2>\n

  \u4e0eRS-232\u76f8\u6bd4\uff0cRS-485\u662f\u4e00\u79cd\u4e0d\u540c\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\u3002RS-485\u901a\u5e38\u7528\u4e8e\u8fdc\u8ddd\u79bb\u548c\u591a\u70b9\u901a\u4fe1\uff0c\u4f8b\u5982\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u548c\u5efa\u7b51\u81ea\u52a8\u5316\u3002RS-485\u5141\u8bb8\u591a\u4e2a\u8bbe\u5907\u5728\u540c\u4e00\u603b\u7ebf\u4e0a\u8fdb\u884c\u901a\u4fe1\u3002<\/p>\n

  RS-485\u591a\u70b9\u901a\u4fe1<\/h3>\n

  RS-485\u603b\u7ebf\u7ed3\u6784\u652f\u6301\u591a\u4e2a\u8bbe\u5907\u8fde\u63a5\uff0c\u6bcf\u4e2a\u8bbe\u5907\u90fd\u6709\u72ec\u7acb\u7684\u5730\u5740\u3002\u8fd9\u79cd\u591a\u70b9\u901a\u4fe1\u7684\u7279\u6027\u4f7f\u5f97RS-485\u5728\u5de5\u4e1a\u73af\u5883\u4e2d\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n

  RS-485\u7535\u6c14\u7279\u6027<\/h3>\n

  RS-485\u4f7f\u7528\u5e73\u8861\u4f20\u8f93\u7ebf\uff0c\u80fd\u591f\u62b5\u6297\u5e72\u6270\u548c\u63d0\u4f9b\u66f4\u957f\u7684\u901a\u4fe1\u8ddd\u79bb\u3002\u5b83\u652f\u6301\u9ad8\u901f\u901a\u4fe1\uff0c\u5e76\u4e14\u80fd\u591f\u5728\u6076\u52a3\u7684\u5de5\u4e1a\u73af\u5883\u4e2d\u7a33\u5b9a\u8fd0\u884c\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

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