{"id":39123,"date":"2023-10-02T12:00:18","date_gmt":"2023-10-02T04:00:18","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=39123"},"modified":"2023-10-02T12:00:18","modified_gmt":"2023-10-02T04:00:18","slug":"smsmzm","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/39123.html","title":{"rendered":"\u4ec0\u4e48\u662fModbus TCP\u8f6cModbus RTU\uff1f"},"content":{"rendered":"<p>&emsp;&emsp;Modbus TCP\u8f6cModbus RTU\u662f\u4e00\u79cd\u7528\u4e8e\u5728\u4e0d\u540c\u7f51\u7edc\u73af\u5883\u95f4\u8fde\u63a5\u8bbe\u5907\u7684\u6807\u51c6\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u5c06Modbus TCP\u534f\u8bae\u8f6c\u6362\u4e3aModbus RTU\u534f\u8bae\uff0c\u4ece\u800c\u5b9e\u73b0\u4e0d\u540c\u7f51\u7edc\u73af\u5883\u95f4\u7684\u8bbe\u5907\u8fde\u63a5\u3002<\/p>\n<h2 style=\"text-align: center;\">Modbus TCP\u534f\u8bae<\/h2>\n<p>&emsp;&emsp;Modbus TCP\u534f\u8bae\u662f\u4e00\u79cd\u57fa\u4e8eTCP\/IP\u7684\u5de5\u4e1a\u63a7\u5236\u7f51\u7edc\u534f\u8bae\uff0c\u5b83\u662f\u7531Modicon\u516c\u53f8\u5f00\u53d1\u7684\uff0c\u662f\u4e00\u79cd\u7b80\u5355\u3001\u53ef\u9760\u3001\u7075\u6d3b\u7684\u7f51\u7edc\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u7f51\u7edc\u73af\u5883\uff0c\u53ef\u4ee5\u5728\u4ee5\u592a\u7f51\u3001Wi-Fi\u548c\u5176\u4ed6\u7f51\u7edc\u73af\u5883\u4e2d\u4f7f\u7528\u3002<\/p>\n<h3>&emsp;&emsp;Modbus TCP\u534f\u8bae\u7684\u4f18\u52bf<\/h3>\n<ul>\n<li>\u652f\u6301\u591a\u79cd\u7f51\u7edc\u73af\u5883\uff1aModbus TCP\u534f\u8bae\u53ef\u4ee5\u5728\u4ee5\u592a\u7f51\u3001Wi-Fi\u548c\u5176\u4ed6\u7f51\u7edc\u73af\u5883\u4e2d\u4f7f\u7528\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u5728\u4e0d\u540c\u7f51\u7edc\u73af\u5883\u95f4\u8fdb\u884c\u8bbe\u5907\u8fde\u63a5\u3002<\/li>\n<li>\u652f\u6301\u591a\u79cd\u8bbe\u5907\uff1aModbus TCP\u534f\u8bae\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u8bbe\u5907\uff0c\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u4e0d\u540c\u7c7b\u578b\u7684\u8bbe\u5907\uff0c\u53ef\u4ee5\u5b9e\u73b0\u4e0d\u540c\u8bbe\u5907\u4e4b\u95f4\u7684\u8fde\u63a5\u3002<\/li>\n<li>\u7b80\u5355\u53ef\u9760\uff1aModbus TCP\u534f\u8bae\u662f\u4e00\u79cd\u7b80\u5355\u53ef\u9760\u7684\u7f51\u7edc\u534f\u8bae\uff0c\u53ef\u4ee5\u6ee1\u8db3\u5de5\u4e1a\u73af\u5883\u7684\u8981\u6c42\uff0c\u53ef\u4ee5\u63d0\u9ad8\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u7684\u53ef\u9760\u6027\u3002<\/li>\n<\/ul>\n<h2 style=\"text-align: center;\">Modbus RTU\u534f\u8bae<\/h2>\n<p>&emsp;&emsp;Modbus RTU\u534f\u8bae\u662f\u4e00\u79cd\u57fa\u4e8e\u4e32\u884c\u901a\u4fe1\u7684\u5de5\u4e1a\u63a7\u5236\u7f51\u7edc\u534f\u8bae\uff0c\u5b83\u662f\u7531Modicon\u516c\u53f8\u5f00\u53d1\u7684\uff0c\u662f\u4e00\u79cd\u7b80\u5355\u3001\u53ef\u9760\u3001\u7075\u6d3b\u7684\u7f51\u7edc\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u4e32\u884c\u901a\u4fe1\u73af\u5883\uff0c\u53ef\u4ee5\u5728RS-232\u3001RS-485\u548c\u5176\u4ed6\u4e32\u884c\u901a\u4fe1\u73af\u5883\u4e2d\u4f7f\u7528\u3002<\/p>\n<h3>&emsp;&emsp;Modbus RTU\u534f\u8bae\u7684\u4f18\u52bf<\/h3>\n<ul>\n<li>\u652f\u6301\u591a\u79cd\u4e32\u884c\u901a\u4fe1\u73af\u5883\uff1aModbus RTU\u534f\u8bae\u53ef\u4ee5\u5728RS-232\u3001RS-485\u548c\u5176\u4ed6\u4e32\u884c\u901a\u4fe1\u73af\u5883\u4e2d\u4f7f\u7528\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u5728\u4e0d\u540c\u4e32\u884c\u901a\u4fe1\u73af\u5883\u95f4\u8fdb\u884c\u8bbe\u5907\u8fde\u63a5\u3002<\/li>\n<li>\u652f\u6301\u591a\u79cd\u8bbe\u5907\uff1aModbus RTU\u534f\u8bae\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u8bbe\u5907\uff0c\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u4e0d\u540c\u7c7b\u578b\u7684\u8bbe\u5907\uff0c\u53ef\u4ee5\u5b9e\u73b0\u4e0d\u540c\u8bbe\u5907\u4e4b\u95f4\u7684\u8fde\u63a5\u3002<\/li>\n<li>\u7b80\u5355\u53ef\u9760\uff1aModbus RTU\u534f\u8bae\u662f\u4e00\u79cd\u7b80\u5355\u53ef\u9760\u7684\u7f51\u7edc\u534f\u8bae\uff0c\u53ef\u4ee5\u6ee1\u8db3\u5de5\u4e1a\u73af\u5883\u7684\u8981\u6c42\uff0c\u53ef\u4ee5\u63d0\u9ad8\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u7684\u53ef\u9760\u6027\u3002<\/li>\n<\/ul>\n<h2 style=\"text-align: center;\">Modbus TCP\u8f6cModbus RTU\u534f\u8bae<\/h2>\n<p>&emsp;&emsp;<strong>Modbus TCP\u8f6cModbus RTU\u534f\u8bae\u662f\u4e00\u79cd\u7528\u4e8e\u5728\u4e0d\u540c\u7f51\u7edc\u73af\u5883\u95f4\u8fde\u63a5\u8bbe\u5907\u7684\u6807\u51c6\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u5c06Modbus TCP\u534f\u8bae\u8f6c\u6362\u4e3aModbus 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RTU\u534f\u8bae\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u8bbe\u5907\uff0c\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u4e0d\u540c\u7c7b\u578b\u7684\u8bbe\u5907\uff0c\u53ef\u4ee5\u5b9e\u73b0\u4e0d\u540c\u8bbe\u5907\u4e4b\u95f4\u7684\u8fde\u63a5\u3002<\/li>\n<li>\u7b80\u5355\u53ef\u9760\uff1aModbus TCP\u8f6cModbus RTU\u534f\u8bae\u662f\u4e00\u79cd\u7b80\u5355\u53ef\u9760\u7684\u7f51\u7edc\u534f\u8bae\uff0c\u53ef\u4ee5\u6ee1\u8db3\u5de5\u4e1a\u73af\u5883\u7684\u8981\u6c42\uff0c\u53ef\u4ee5\u63d0\u9ad8\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u7684\u53ef\u9760\u6027\u3002<\/li>\n<\/ul>\n<h2 style=\"text-align: center;\">\u603b\u7ed3<\/h2>\n<p>&emsp;&emsp;<strong>Modbus TCP\u8f6cModbus RTU\u534f\u8bae\u662f\u4e00\u79cd\u7528\u4e8e\u5728\u4e0d\u540c\u7f51\u7edc\u73af\u5883\u95f4\u8fde\u63a5\u8bbe\u5907\u7684\u6807\u51c6\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u5c06Modbus TCP\u534f\u8bae\u8f6c\u6362\u4e3aModbus RTU\u534f\u8bae\uff0c\u4ece\u800c\u5b9e\u73b0\u4e0d\u540c\u7f51\u7edc\u73af\u5883\u95f4\u7684\u8bbe\u5907\u8fde\u63a5\u3002<\/strong>Modbus TCP\u8f6cModbus 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