{"id":39978,"date":"2023-10-05T04:28:08","date_gmt":"2023-10-04T20:28:08","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=39978"},"modified":"2023-10-05T04:28:08","modified_gmt":"2023-10-04T20:28:08","slug":"grhsyrsxm","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/39978.html","title":{"rendered":"GD32\u5982\u4f55\u4f7f\u7528RS485\u5b9e\u73b0Modbus"},"content":{"rendered":"

  GD32\u662f\u4e00\u79cd\u5e38\u7528\u768432\u4f4d\u5fae\u63a7\u5236\u5668\uff0c\u5b83\u53ef\u4ee5\u901a\u8fc7RS485\u63a5\u53e3\u5b9e\u73b0Modbus\u901a\u8baf\uff0c\u4e3a\u8bbe\u5907\u95f4\u7684\u6570\u636e\u4f20\u8f93\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u5355\u3001\u53ef\u9760\u7684\u65b9\u5f0f\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528GD32\u7684RS485\u63a5\u53e3\u5b9e\u73b0Modbus\u901a\u8baf\uff0c\u5e2e\u52a9\u8bfb\u8005\u5feb\u901f\u638c\u63e1\u5b9e\u73b0Modbus\u7684\u77e5\u8bc6\u3002<\/p>\n

1. Modbus\u7b80\u4ecb<\/h2>\n

  Modbus\u662f\u4e00\u79cd\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u662f\u4e00\u79cd\u7b80\u5355\u3001\u7075\u6d3b\u3001\u53ef\u9760\u7684\u901a\u4fe1\u65b9\u5f0f\uff0c\u53ef\u4ee5\u7528\u4e8e\u8bbe\u5907\u95f4\u7684\u6570\u636e\u4f20\u8f93\u3002\u5b83\u7684\u7279\u70b9\u662f\u652f\u6301\u591a\u79cd\u6570\u636e\u7c7b\u578b\uff0c\u652f\u6301\u591a\u79cd\u901a\u4fe1\u534f\u8bae\uff0c\u5e76\u4e14\u652f\u6301\u591a\u79cd\u4f20\u8f93\u4ecb\u8d28\uff0c\u5982RS485\u3001RS232\u7b49\u3002Modbus\u534f\u8bae\u7684\u7ed3\u6784\u4e5f\u975e\u5e38\u7b80\u5355\uff0c\u53ef\u4ee5\u5feb\u901f\u5b9e\u73b0\u8bbe\u5907\u95f4\u7684\u6570\u636e\u4f20\u8f93\u3002<\/p>\n

2. GD32\u7684RS485\u63a5\u53e3<\/h2>\n

  GD32\u652f\u6301RS485\u63a5\u53e3\uff0c\u53ef\u4ee5\u901a\u8fc7\u5b83\u5b9e\u73b0Modbus\u901a\u8baf\u3002RS485\u63a5\u53e3\u662f\u4e00\u79cd\u5e38\u7528\u7684\u4e32\u884c\u901a\u4fe1\u63a5\u53e3\uff0c\u5b83\u53ef\u4ee5\u652f\u6301\u591a\u8fbe256\u4e2a\u8282\u70b9\u7684\u6570\u636e\u4f20\u8f93\uff0c\u800c\u4e14\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u4e0d\u53d7\u5e72\u6270\uff0c\u53ef\u4ee5\u786e\u4fdd\u6570\u636e\u7684\u53ef\u9760\u6027\u3002<\/p>\n

3. \u5982\u4f55\u4f7f\u7528GD32\u7684RS485\u63a5\u53e3\u5b9e\u73b0Modbus\u901a\u8baf<\/h2>\n

  3.1 \u51c6\u5907\u5de5\u4f5c<\/h3>\n

  \u5728\u4f7f\u7528GD32\u7684RS485\u63a5\u53e3\u5b9e\u73b0Modbus\u901a\u8baf\u4e4b\u524d\uff0c\u9996\u5148\u8981\u51c6\u5907\u597d\u6240\u9700\u8981\u7684\u786c\u4ef6\u548c\u8f6f\u4ef6\uff0c\u5305\u62ec\uff1a<\/p>\n