{"id":77694,"date":"2024-01-14T07:39:43","date_gmt":"2024-01-13T23:39:43","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=77694"},"modified":"2024-01-14T07:39:43","modified_gmt":"2024-01-13T23:39:43","slug":"rxyjj","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/77694.html","title":{"rendered":"RS232\/RS422\/RS485\u534f\u8bae\u7b80\u4ecb"},"content":{"rendered":"
\u4eca\u5929\u6211\u4eec\u5c06\u4ecb\u7ecdRS232\u3001RS422\u548cRS485\u534f\u8bae\u7684\u7279\u70b9\u548c\u5e94\u7528\u573a\u666f\uff0c\u5e2e\u52a9\u8bfb\u8005\u4e86\u89e3\u8fd9\u4e9b\u5e38\u89c1\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\u3002<\/p>\n
RS232\u662f\u4e00\u79cd\u7528\u4e8e\u4e32\u884c\u901a\u4fe1\u7684\u6807\u51c6\u534f\u8bae\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u8ba1\u7b97\u673a\u548c\u5916\u90e8\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\u3002\u5b83\u5b9a\u4e49\u4e86\u6570\u636e\u4f20\u8f93\u7684\u7535\u6c14\u4fe1\u53f7\u8fde\u63a5\u548c\u673a\u68b0\u63a5\u53e3\u3002<\/p>\n
RS232\u534f\u8bae\u4f7f\u7528\u5355\u4e2a\u4fe1\u53f7\u7ebf\u8fdb\u884c\u901a\u4fe1\uff0c\u901a\u5e38\u5305\u62ecTXD\uff08\u53d1\u9001\u6570\u636e\uff09\u3001RXD\uff08\u63a5\u6536\u6570\u636e\uff09\u3001RTS\uff08\u8bf7\u6c42\u53d1\u9001\uff09\u548cCTS\uff08\u6e05\u9664\u53d1\u9001\uff09\u7b49\u4fe1\u53f7\u7ebf\u3002\u5b83\u652f\u6301\u5168\u53cc\u5de5<\/a>\u901a\u4fe1\uff0c\u4f20\u8f93\u901f\u7387\u53ef\u8fbe115200 bps\u3002<\/p>\n RS232\u534f\u8bae\u5e38\u7528\u4e8e\u4e32\u884c\u901a\u4fe1\u8bbe\u5907\u3001\u6a21\u62df\u8c03\u5236\u89e3\u8c03\u5668\u3001\u6570\u5b57\u663e\u793a\u5668\u3001\u6253\u5370\u673a\u3001\u9f20\u6807\u548c\u952e\u76d8\u7b49\u5916\u56f4\u8bbe\u5907\u7684\u8fde\u63a5\u3002<\/p>\n RS422\u548cRS485\u534f\u8bae\u5747\u4e3a\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\u6807\u51c6\uff0c\u53ef\u5b9e\u73b0\u957f\u8ddd\u79bb\u9ad8\u901f\u901a\u4fe1\u3002RS422\u652f\u6301\u591a\u70b9\u901a\u4fe1\uff0c\u800cRS485\u652f\u6301\u591a\u4e3b\u4ece\u901a\u4fe1\u3002<\/p>\n RS422\u548cRS485\u534f\u8bae\u4f7f\u7528\u4e24\u6839\u76f8\u4e92\u8026\u5408\u7684\u4fe1\u53f7\u7ebf\u8fdb\u884c\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\uff0c\u80fd\u591f\u6709\u6548\u62b5\u5fa1\u7535\u78c1\u5e72\u6270\u3002\u5b83\u4eec\u9002\u7528\u4e8e\u957f\u8ddd\u79bb\u901a\u4fe1\uff0c\u5e76\u53ef\u4ee5\u652f\u6301\u8f83\u9ad8\u7684\u901a\u4fe1\u901f\u7387\u3002<\/p>\n RS422\/RS485\u534f\u8bae\u5e38\u7528\u4e8e\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u3001\u81ea\u52a8\u5316\u8bbe\u5907\u3001\u8fdc\u7a0b\u76d1\u63a7\u3001\u4eea\u5668\u4eea\u8868<\/a>\u548c\u4f20\u611f\u5668\u7f51\u7edc\u7b49\u9886\u57df\u3002<\/p>\n RS232\u534f\u8bae\u5e94\u7528<\/h3>\n
RS422\/RS485\u534f\u8bae<\/h2>\n
RS422\u534f\u8bae\u4e0eRS485\u534f\u8bae\u6bd4\u8f83<\/h3>\n
RS422\/RS485\u534f\u8bae\u7279\u70b9<\/h3>\n
RS422\/RS485\u534f\u8bae\u5e94\u7528\u573a\u666f<\/h3>\n
\u603b\u7ed3<\/h2>\n
\u4e32\u884c\u901a\u4fe1\u534f\u8bae\u7684\u591a\u6837\u6027<\/h3>\n