{"id":78107,"date":"2024-01-02T01:32:23","date_gmt":"2024-01-01T17:32:23","guid":{"rendered":"\/\/www.viralrail.com\/?p=78107"},"modified":"2024-01-02T01:32:23","modified_gmt":"2024-01-01T17:32:23","slug":"ryrhljs","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/78107.html","title":{"rendered":"RS232\u4e0eRS485\u4e92\u8054\u6280\u672f"},"content":{"rendered":"
RS232\u548cRS485\u662f\u4e24\u79cd\u5e38\u89c1\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\uff0c\u5b83\u4eec\u5728\u5de5\u4e1a\u63a7\u5236\u3001\u6570\u636e\u91c7\u96c6\u548c\u8bbe\u5907\u4e92\u8054\u65b9\u9762\u53d1\u6325\u7740\u5173\u952e\u4f5c\u7528\u3002\u4eca\u5929\u6211\u4eec\u5c06\u4ecb\u7ecd\u5b83\u4eec\u7684\u7279\u70b9\u3001\u5e94\u7528\u4ee5\u53ca\u4e92\u8054\u6280\u672f\u3002<\/p>\n
RS232\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\uff0c\u5e38\u7528\u4e8e\u8fde\u63a5\u8ba1\u7b97\u673a\u548c\u5916\u90e8\u8bbe\u5907\uff08\u5982\u6253\u5370\u673a\u3001\u8c03\u5236\u89e3\u8c03\u5668\u7b49\uff09\u3002RS232\u4f7f\u7528\u5355\u5de5\u901a\u4fe1\u6a21\u5f0f\uff0c\u5373\u53ea\u80fd\u5728\u4e00\u4e2a\u65b9\u5411\u4e0a\u4f20\u8f93\u6570\u636e\uff0c\u901a\u4fe1\u8ddd\u79bb\u8f83\u77ed\uff08\u901a\u5e38\u4e0d\u8d85\u8fc715\u7c73\uff09\uff0c\u5e76\u4e14\u9700\u8981\u4e13\u95e8\u7684\u7ebf\u7f06\u3002<\/p>\n
1. \u901a\u4fe1\u8ddd\u79bb\u77ed<\/p>\n
2. \u5355\u5de5\u901a\u4fe1\u6a21\u5f0f<\/p>\n
3. \u4fe1\u53f7\u7535\u538b\u9ad8\u4f4e\u6807\u51c6\u5316<\/p>\n
RS232\u5e7f\u6cdb\u5e94\u7528\u4e8e\u4e2a\u4eba\u8ba1\u7b97\u673a\u548c\u5916\u90e8\u8bbe\u5907\u7684\u8fde\u63a5\uff0c\u5982\u4e32\u53e3\u6253\u5370\u673a\u3001\u626b\u63cf\u4eea\u3001\u8c03\u5236\u89e3\u8c03\u5668\u7b49\uff0c\u4ee5\u53ca\u4e00\u4e9b\u5c0f\u578b\u63a7\u5236\u7cfb\u7edf\u3002<\/p>\n
RS485\u662f\u4e00\u79cd\u4e3b\u4ece\u5f0f\u7684\u591a\u70b9\u901a\u4fe1\u6807\u51c6\uff0c\u80fd\u6709\u6548\u5730\u5b9e\u73b0\u591a\u4e2a\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\uff0c\u4e14\u4f20\u8f93\u8ddd\u79bb\u8f83\u8fdc\uff0c\u662f\u5de5\u4e1a\u63a7\u5236\u9886\u57df\u4e2d\u5e38\u7528\u7684\u901a\u4fe1\u6807\u51c6\u4e4b\u4e00\u3002RS485\u91c7\u7528\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\u65b9\u5f0f\uff0c\u53ef\u4ee5\u652f\u6301\u6700\u591a32\u4e2a\u9a71\u52a8\u5668\u548c32\u4e2a\u63a5\u6536\u5668\u3002<\/p>\n
1. \u591a\u70b9\u901a\u4fe1<\/p>\n
2. \u5dee\u5206\u4fe1\u53f7\u4f20\u8f93<\/p>\n
3. \u4f20\u8f93\u8ddd\u79bb\u8f83\u8fdc<\/p>\n
RS485\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u63a7\u5236\u7cfb\u7edf\u3001\u6570\u636e\u91c7\u96c6\u7cfb\u7edf\u4ee5\u53ca\u5efa\u7b51\u7269\u8054\u7f51\u7b49\u9886\u57df\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\uff0c\u80fd\u591f\u7a33\u5b9a\u9ad8\u6548\u5730\u5b9e\u73b0\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\u3002<\/p>\n
\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6709\u65f6\u5019\u9700\u8981\u5c06RS232\u548cRS485\u8bbe\u5907\u8fdb\u884c\u4e92\u8054\uff0c\u4ee5\u6ee1\u8db3\u590d\u6742\u7684\u901a\u4fe1\u9700\u6c42\u3002\u53ef\u4ee5\u901a\u8fc7\u6dfb\u52a0\u4e32\u53e3\u8f6c\u6362\u5668\u6216\u7f51\u5173<\/a>\u8bbe\u5907\u5b9e\u73b0RS232\u4e0eRS485\u4e4b\u95f4\u7684\u4e92\u8054\uff0c\u4ece\u800c\u5b9e\u73b0\u4e0d\u540c\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4ea4\u6362\u3002<\/p>\n \u4e32\u53e3\u8f6c\u6362\u5668<\/h3>\n