{"id":39729,"date":"2023-09-28T00:07:42","date_gmt":"2023-09-27T16:07:42","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=39729"},"modified":"2023-09-28T00:07:42","modified_gmt":"2023-09-27T16:07:42","slug":"gjkzh","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/39729.html","title":{"rendered":"232\u6539485\u63a5\u53e3\u8f6c\u6362"},"content":{"rendered":"

  232\u6539485\u63a5\u53e3\u8f6c\u6362\u662f\u5c06RS-232\u63a5\u53e3\uff08\u4e00\u79cd\u901a\u4fe1\u63a5\u53e3\uff09\u8f6c\u6362\u4e3aRS-485\u63a5\u53e3\uff08\u53e6\u4e00\u79cd\u901a\u4fe1\u63a5\u53e3\uff09\u7684\u8fc7\u7a0b\u3002\u5b83\u4f7f\u5f97\u4e24\u79cd\u4e0d\u540c\u63a5\u53e3\u7684\u8bbe\u5907\u80fd\u591f\u901a\u8fc7\u4e00\u79cd\u6807\u51c6\u63a5\u53e3\u8fdb\u884c\u901a\u4fe1\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u8bbe\u5907\u7684\u8fde\u63a5\u6027\u548c\u517c\u5bb9\u6027\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd232\u6539485\u63a5\u53e3\u8f6c\u6362\u7684\u539f\u7406\u548c\u65b9\u6cd5\uff0c\u4ee5\u53ca\u5b83\u4eec\u7684\u4f18\u7f3a\u70b9\u3002<\/p>\n

RS-232\u63a5\u53e3\u4ecb\u7ecd<\/h2>\n

  RS-232\u63a5\u53e3\u662f\u4e00\u79cd\u7528\u4e8e\u4e32\u884c\u901a\u4fe1\u7684\u63a5\u53e3\u6807\u51c6\uff0c\u5b83\u662f\u4e00\u79cd\u534a\u53cc\u5de5\u7684\u901a\u4fe1\u65b9\u5f0f\uff0c\u5141\u8bb8\u4e00\u7aef\u53d1\u9001\u4fe1\u606f\uff0c\u53e6\u4e00\u7aef\u63a5\u6536\u4fe1\u606f\u3002\u5b83\u652f\u6301\u6700\u9ad8\u901f\u7387\u4e3a20Kb\/s\u7684\u6570\u636e\u4f20\u8f93\uff0c\u5e76\u4e14\u5177\u6709\u6bd4\u8f83\u9ad8\u7684\u7075\u6d3b\u6027\u548c\u53ef\u9760\u6027\u3002\u5b83\u7684\u4f18\u52bf\u5728\u4e8e\u53ef\u4ee5\u5728\u6bd4\u8f83\u77ed\u7684\u8ddd\u79bb\u5185\u4f20\u8f93\u6570\u636e\uff0c\u800c\u4e14\u53ef\u4ee5\u8fde\u63a5\u4efb\u4f55\u7c7b\u578b\u7684\u8bbe\u5907\uff0c\u6bd4\u5982\u8ba1\u7b97\u673a\u3001\u6253\u5370\u673a\u3001\u7f51\u7edc\u8bbe\u5907\u7b49\u3002<\/p>\n

RS-485\u63a5\u53e3\u4ecb\u7ecd<\/h2>\n

  RS-485\u63a5\u53e3\u662f\u4e00\u79cd\u7528\u4e8e\u4e32\u884c\u901a\u4fe1\u7684\u63a5\u53e3\u6807\u51c6\uff0c\u5b83\u662f\u4e00\u79cd\u5168\u53cc\u5de5\u7684\u901a\u4fe1\u65b9\u5f0f\uff0c\u5141\u8bb8\u4e24\u7aef\u540c\u65f6\u53d1\u9001\u548c\u63a5\u6536\u4fe1\u606f\u3002\u5b83\u652f\u6301\u6700\u9ad8\u901f\u7387\u4e3a10Mb\/s\u7684\u6570\u636e\u4f20\u8f93\uff0c\u5e76\u4e14\u5177\u6709\u6bd4\u8f83\u9ad8\u7684\u6570\u636e\u5bb9\u91cf\u548c\u53ef\u9760\u6027\u3002\u5b83\u7684\u4f18\u52bf\u5728\u4e8e\u53ef\u4ee5\u5728\u6bd4\u8f83\u957f\u7684\u8ddd\u79bb\u5185\u4f20\u8f93\u6570\u636e\uff0c\u800c\u4e14\u53ef\u4ee5\u8fde\u63a5\u4efb\u4f55\u7c7b\u578b\u7684\u8bbe\u5907\uff0c\u6bd4\u5982\u8ba1\u7b97\u673a\u3001\u6253\u5370\u673a\u3001\u7f51\u7edc\u8bbe\u5907\u7b49\u3002<\/p>\n

232\u6539485\u63a5\u53e3\u8f6c\u6362\u7684\u539f\u7406\u53ca\u65b9\u6cd5<\/h2>\n

  232\u6539485\u63a5\u53e3\u8f6c\u6362\u662f\u5c06RS-232\u63a5\u53e3\u8f6c\u6362\u4e3aRS-485\u63a5\u53e3\u7684\u8fc7\u7a0b\u3002\u4e3a\u4e86\u5b9e\u73b0\u8fd9\u4e00\u8f6c\u6362\uff0c\u9700\u8981\u4f7f\u7528\u4e00\u79cd\u53eb\u505a\u8f6c\u6362\u5668\u7684\u8bbe\u5907\uff0c\u5b83\u53ef\u4ee5\u5c06RS-232\u63a5\u53e3\u7684\u4fe1\u53f7\u8f6c\u6362\u4e3aRS-485\u63a5\u53e3\u7684\u4fe1\u53f7\uff0c\u4ece\u800c\u4f7f\u5f97\u4e24\u79cd\u63a5\u53e3\u7684\u8bbe\u5907\u80fd\u591f\u901a\u8fc7\u4e00\u79cd\u6807\u51c6\u63a5\u53e3\u8fdb\u884c\u901a\u4fe1\u3002<\/p>\n

  \u9996\u5148\uff0c\u5c06RS-232\u63a5\u53e3\u7684\u4fe1\u53f7\u8f6c\u6362\u4e3aRS-485\u63a5\u53e3\u7684\u4fe1\u53f7\uff0c\u8fd9\u4e00\u6b65\u9700\u8981\u4f7f\u7528\u4e00\u79cd\u53eb\u505aRS-232\u8f6c\u6362\u5668\u7684\u8bbe\u5907\uff0c\u5b83\u53ef\u4ee5\u5c06RS-232\u63a5\u53e3\u7684\u4fe1\u53f7\u8f6c\u6362\u4e3aRS-485\u63a5\u53e3\u7684\u4fe1\u53f7\u3002\u7136\u540e\uff0c\u5c06RS-485\u63a5\u53e3\u7684\u4fe1\u53f7\u901a\u8fc7\u7f51\u7edc\u7ebf\u8def\u4f20\u8f93\u5230\u53e6\u4e00\u7aef\uff0c\u8fd9\u4e00\u6b65\u9700\u8981\u4f7f\u7528\u4e00\u79cd\u53eb\u505aRS-485\u7f51\u7edc\u7ebf\u8def\u7684\u8bbe\u5907\uff0c\u5b83\u53ef\u4ee5\u5c06RS-485\u63a5\u53e3\u7684\u4fe1\u53f7\u4f20\u8f93\u5230\u53e6\u4e00\u7aef\u3002\u6700\u540e\uff0c\u5c06RS-485\u63a5\u53e3\u7684\u4fe1\u53f7\u8f6c\u6362\u4e3aRS-232\u63a5\u53e3\u7684\u4fe1\u53f7\uff0c\u8fd9\u4e00\u6b65\u9700\u8981\u4f7f\u7528\u4e00\u79cd\u53eb\u505aRS-485\u8f6c\u6362\u5668\u7684\u8bbe\u5907\uff0c\u5b83\u53ef\u4ee5\u5c06RS-485\u63a5\u53e3\u7684\u4fe1\u53f7\u8f6c\u6362\u4e3aRS-232\u63a5\u53e3\u7684\u4fe1\u53f7\u3002<\/p>\n

  \u4ee5\u4e0a\u5c31\u662f232\u6539485\u63a5\u53e3\u8f6c\u6362\u7684\u539f\u7406\u53ca\u65b9\u6cd5\uff0c\u5b83\u4f7f\u5f97\u4e24\u79cd\u4e0d\u540c\u63a5\u53e3\u7684\u8bbe\u5907\u80fd\u591f\u901a\u8fc7\u4e00\u79cd\u6807\u51c6\u63a5\u53e3\u8fdb\u884c\u901a\u4fe1\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u8bbe\u5907\u7684\u8fde\u63a5\u6027\u548c\u517c\u5bb9\u6027\u3002<\/p>\n

232\u6539485\u63a5\u53e3\u8f6c\u6362\u7684\u4f18\u7f3a\u70b9<\/h2>\n

  \u4f18\u70b9<\/h3>\n