{"id":78618,"date":"2024-01-06T08:57:51","date_gmt":"2024-01-06T00:57:51","guid":{"rendered":"\/\/www.dealsbon.com\/?p=78618"},"modified":"2024-01-06T08:57:51","modified_gmt":"2024-01-06T00:57:51","slug":"zmkckshs","status":"publish","type":"post","link":"\/\/www.dealsbon.com\/blog\/78618.html","title":{"rendered":"\u600e\u4e48\u770b\u4e32\u53e3\u662f232\u8fd8\u662f485"},"content":{"rendered":"

  \u4e32\u53e3\u662f\u8ba1\u7b97\u673a\u7528\u6765\u8fde\u63a5\u5916\u8bbe\u6216\u5176\u4ed6\u8ba1\u7b97\u673a\u7684\u901a\u4fe1\u63a5\u53e3\uff0c\u5b83\u901a\u5e38\u7531\u591a\u4e2a\u5f15\u811a\u7ec4\u6210\u3002\u786e\u5b9a\u4e32\u53e3\u662f232\u8fd8\u662f485\u5bf9\u4e8e\u6b63\u786e\u4f7f\u7528\u548c\u8fde\u63a5\u8bbe\u5907\u975e\u5e38\u91cd\u8981\u3002\u672c\u6587\u5c06\u4e3a\u60a8\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u51c6\u786e\u8bc6\u522b\u4e32\u53e3\u7c7b\u578b\uff0c\u4ee5\u7528\u4e8e\u6b63\u786e\u7684\u8bbe\u5907\u8fde\u63a5\u548c\u901a\u4fe1\u534f\u8bae\u9009\u62e9\u3002<\/p>\n

\u4e32\u53e3\u57fa\u7840\u77e5\u8bc6<\/h2>\n

  \u8981\u6b63\u786e\u8bc6\u522b\u4e32\u53e3\u7c7b\u578b\uff0c\u9996\u5148\u9700\u8981\u4e86\u89e3\u4e32\u53e3\u7684\u57fa\u672c\u6982\u5ff5\u3002\u4e32\u53e3\u901a\u5e38\u7531\u591a\u4e2a\u5f15\u811a\u7ec4\u6210\uff0c\u5305\u62ec\u53d1\u9001\u7aef\u53e3\uff08TX\uff09\u3001\u63a5\u6536\u7aef\u53e3\uff08RX\uff09\u3001\u5730\u7ebf\uff08GND\uff09\u7b49\u3002\u8fd9\u4e9b\u5f15\u811a\u7684\u8fde\u63a5\u65b9\u5f0f\u548c\u6570\u91cf\u662f\u51b3\u5b9a\u4e32\u53e3\u7c7b\u578b\u7684\u91cd\u8981\u56e0\u7d20\u3002<\/p>\n

  RS-232\u4e32\u53e3<\/h3>\n

  RS-232\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u4e32\u53e3\u6807\u51c6\uff0c\u901a\u5e38\u7528\u4e8e\u8fde\u63a5\u8ba1\u7b97\u673a\u548c\u5916\u90e8\u8bbe\u5907\uff0c\u5982\u6253\u5370\u673a\u3001\u8c03\u5236\u89e3\u8c03\u5668\u7b49\u3002RS-232\u4e32\u53e3\u901a\u5e38\u4f7f\u7528DB9\u6216DB25\u63a5\u53e3\uff0c\u5176\u4e2d\u5305\u62ec\u53d1\u9001\u3001\u63a5\u6536\u3001\u5730\u7ebf\u4ee5\u53ca\u5176\u4ed6\u63a7\u5236\u4fe1\u53f7\u7ebf\u3002<\/p>\n

  \u8bc6\u522bRS-232\u4e32\u53e3<\/h4>\n

  \u8bc6\u522bRS-232\u4e32\u53e3\u7684\u65b9\u6cd5\u4e4b\u4e00\u662f\u901a\u8fc7\u89c2\u5bdf\u4e32\u53e3\u63a5\u53e3\u7684\u5f15\u811a\u6570\u91cf\u548c\u8fde\u63a5\u65b9\u5f0f\u3002\u901a\u5e38\uff0cDB9\u63a5\u53e3\u67099\u4e2a\u5f15\u811a\uff0c\u800cDB25\u63a5\u53e3\u670925\u4e2a\u5f15\u811a\u3002\u6b64\u5916\uff0cRS-232\u901a\u5e38\u4f7f\u7528\u5355\u4e2a\u7aef\u53e3\u8fdb\u884c\u53cc\u5411\u4f20\u8f93\uff0c\u56e0\u6b64TX\u548cRX\u5f15\u811a\u5206\u522b\u5bf9\u5e94\u53d1\u9001\u548c\u63a5\u6536\u529f\u80fd\u3002<\/p>\n

  RS-485\u4e32\u53e3<\/h3>\n

  RS-485\u662f\u4e00\u79cd\u66f4\u5148\u8fdb\u7684\u4e32\u53e3\u6807\u51c6\uff0c\u9002\u7528\u4e8e\u5728\u5de5\u4e1a\u73af\u5883\u4e2d\u8fdb\u884c\u957f\u8ddd\u79bb\u548c\u9ad8\u566a\u58f0\u901a\u4fe1\u3002RS-485\u4e32\u53e3\u901a\u5e38\u4f7f\u75282\u7ebf\u62164\u7ebf\u5168\u53cc\u5de5\u901a\u4fe1\uff0c\u652f\u6301\u591a\u4e2a\u8bbe\u5907\u5171\u4eab\u540c\u4e00\u603b\u7ebf\u3002<\/p>\n

  \u8bc6\u522bRS-485\u4e32\u53e3<\/h4>\n

  \u4e0eRS-232\u4e0d\u540c\uff0cRS-485\u901a\u5e38\u4f7f\u7528\u4e24\u4e2a\u4fe1\u53f7\u7ebf\u8fdb\u884c\u5168\u53cc\u5de5\u901a\u4fe1\uff0c\u5176\u4e2dA\u548cB\u7ebf\u5206\u522b\u7528\u4e8e\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u3002\u5728\u8fde\u63a5\u7aef\u53e3\u65f6\uff0c\u9700\u8981\u5173\u6ce8\u8fd9\u4e24\u4e2a\u4fe1\u53f7\u7ebf\u7684\u8fde\u63a5\u65b9\u5f0f\u548c\u6570\u91cf\uff0c\u4ee5\u533a\u5206RS-485\u4e32\u53e3\u3002<\/p>\n

\u5224\u65ad\u4e32\u53e3\u7c7b\u578b\u7684\u66f4\u591a\u65b9\u6cd5<\/h2>\n

  \u9664\u4e86\u89c2\u5bdf\u63a5\u53e3\u5f15\u811a\u6570\u91cf\u548c\u8fde\u63a5\u65b9\u5f0f\u5916\uff0c\u8fd8\u6709\u4e00\u4e9b\u5176\u4ed6\u65b9\u6cd5\u53ef\u7528\u4e8e\u5224\u65ad\u4e32\u53e3\u7c7b\u578b\u3002<\/p>\n

  \u6587\u6863\u67e5\u8be2<\/h3>\n

  \u53ef\u4ee5\u901a\u8fc7\u8bbe\u5907\u7684\u89c4\u683c\u4e66\u6216\u7528\u6237\u624b\u518c\u6765\u786e\u8ba4\u4e32\u53e3\u7c7b\u578b\uff0c\u901a\u5e38\u8fd9\u4e9b\u4fe1\u606f\u4f1a\u5728\u8bbe\u5907\u6587\u6863\u4e2d\u8be6\u7ec6\u8bf4\u660e\u3002<\/p>\n

  \u8bbe\u5907\u6807\u8bc6<\/h3>\n

  \u6709\u4e9b\u8bbe\u5907\u4f1a\u5728\u4e32\u53e3\u63a5\u53e3\u6807\u8bc6\u4e0a\u76f4\u63a5\u6ce8\u660e\u662fRS-232\u8fd8\u662fRS-485\uff0c\u53ef\u4ee5\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\u6765\u5feb\u901f\u786e\u8ba4\u4e32\u53e3\u7c7b\u578b\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

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