{"id":6167,"date":"2025-08-20T08:38:54","date_gmt":"2025-08-20T08:38:54","guid":{"rendered":"https:\/\/www.briter.cn\/?p=6167"},"modified":"2025-08-20T09:06:50","modified_gmt":"2025-08-20T09:06:50","slug":"modbus%e5%8d%8f%e8%ae%ae%e9%80%9a%e4%bf%a1%e9%a2%91%e7%8e%87%e9%ab%98%e7%9a%84%e6%98%af%e5%93%aa%e7%a7%8d%e5%8d%8f%e8%ae%ae","status":"publish","type":"post","link":"https:\/\/www.briter.cn\/2025\/08\/20\/modbus%E5%8D%8F%E8%AE%AE%E9%80%9A%E4%BF%A1%E9%A2%91%E7%8E%87%E9%AB%98%E7%9A%84%E6%98%AF%E5%93%AA%E7%A7%8D%E5%8D%8F%E8%AE%AE\/","title":{"rendered":"modbus\u534f\u8bae\u901a\u4fe1\u9891\u7387\u9ad8\u7684\u662f\u54ea\u79cd\u534f\u8bae"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"350\" src=\"https:\/\/www.briter.cn\/wp-content\/uploads\/2025\/08\/modbus\u534f\u8bae\u901a\u4fe1\u9891\u7387\u9ad8\u7684\u662f\u54ea\u79cd\u534f\u8bae-1024x350.png\"  class=\"wp-image-6168\" style=\"width:275px;height:auto\" srcset=\"https:\/\/www.briter.cn\/wp-content\/uploads\/2025\/08\/modbus\u534f\u8bae\u901a\u4fe1\u9891\u7387\u9ad8\u7684\u662f\u54ea\u79cd\u534f\u8bae-1024x350.png 1024w, https:\/\/www.briter.cn\/wp-content\/uploads\/2025\/08\/modbus\u534f\u8bae\u901a\u4fe1\u9891\u7387\u9ad8\u7684\u662f\u54ea\u79cd\u534f\u8bae-300x102.png 300w, https:\/\/www.briter.cn\/wp-content\/uploads\/2025\/08\/modbus\u534f\u8bae\u901a\u4fe1\u9891\u7387\u9ad8\u7684\u662f\u54ea\u79cd\u534f\u8bae-768x262.png 768w, https:\/\/www.briter.cn\/wp-content\/uploads\/2025\/08\/modbus\u534f\u8bae\u901a\u4fe1\u9891\u7387\u9ad8\u7684\u662f\u54ea\u79cd\u534f\u8bae-24x8.png 24w, https:\/\/www.briter.cn\/wp-content\/uploads\/2025\/08\/modbus\u534f\u8bae\u901a\u4fe1\u9891\u7387\u9ad8\u7684\u662f\u54ea\u79cd\u534f\u8bae-36x12.png 36w, https:\/\/www.briter.cn\/wp-content\/uploads\/2025\/08\/modbus\u534f\u8bae\u901a\u4fe1\u9891\u7387\u9ad8\u7684\u662f\u54ea\u79cd\u534f\u8bae-48x16.png 48w, 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\u7684\u4e0d\u540c\u53d8\u4f53\u6765\u5206\u6790\uff1a<\/p>\n\n\n\n<p>\u4e00\u3001Modbus RTU<\/p>\n\n\n\n<p>\u539f\u7406\uff1aModbus RTU\uff08Remote Terminal Unit\uff09\u662f\u4e00\u79cd\u7d27\u51d1\u7684\u3001\u4ee5\u4e8c\u8fdb\u5236\u5f62\u5f0f\u8868\u793a\u6570\u636e\u7684\u4f20\u8f93\u65b9\u5f0f\u3002\u5728 RTU \u6a21\u5f0f\u4e2d\uff0c\u6bcf\u4e2a\u5b57\u8282\u5305\u542b 8 \u4f4d\u4e8c\u8fdb\u5236\u6570\uff0c\u6d88\u606f\u4ee5\u56fa\u5b9a\u7684\u65f6\u95f4\u95f4\u9694\u5206\u9694\uff0c&nbsp;&nbsp;\u6d88\u606f\u4e2d\u7684\u6bcf\u4e2a\u5b57\u8282\u90fd\u7d27\u5bc6\u6392\u5217\uff0c\u6ca1\u6709\u989d\u5916\u7684\u5f00\u9500\u5b57\u7b26\uff08\u9664\u4e86\u5f00\u59cb\u548c\u7ed3\u675f\u7684\u65f6\u95f4\u95f4\u9694\uff09\u3002<\/p>\n\n\n\n<p>\u901a\u4fe1\u901f\u7387\uff1aModbus RTU \u53ef\u4ee5\u652f\u6301\u76f8\u5bf9\u8f83\u9ad8\u7684\u901a\u4fe1\u901f\u7387\uff0c\u5e38\u89c1\u7684\u6ce2\u7279\u7387\u53ef\u4ee5\u8fbe\u5230 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\u5b57\u7b26\uff0c\u5e76\u4e14\u6d88\u606f\u4ee5\u7279\u5b9a\u7684\u8d77\u59cb\u548c\u7ed3\u675f\u5b57\u7b26\u5206\u9694\uff0c\u8fd9\u589e\u52a0\u4e86\u6d88\u606f\u7684\u957f\u5ea6\u548c\u4f20\u8f93\u7684\u5f00\u9500\u3002<\/p>\n\n\n\n<p>\u901a\u4fe1\u901f\u7387\uff1a\u7531\u4e8e ASCII \u6a21\u5f0f\u7684\u989d\u5916\u5f00\u9500\uff0c\u5b83\u7684\u901a\u4fe1\u901f\u7387\u76f8\u5bf9\u8f83\u4f4e\u3002\u5e38\u89c1\u7684\u6ce2\u7279\u7387\u4e00\u822c\u5728 9600bps \u5230 19200bps \u4e4b\u95f4\uff0c\u9002\u7528\u4e8e\u5bf9\u901a\u4fe1\u901f\u7387\u8981\u6c42\u4e0d\u9ad8\u3001\u901a\u4fe1\u8ddd\u79bb\u8f83\u77ed\u4e14\u5bf9\u6570\u636e\u683c\u5f0f\u53ef\u8bfb\u6027\u6709\u4e00\u5b9a\u8981\u6c42\u7684\u573a\u666f\u3002<\/p>\n\n\n\n<p>\u7efc\u4e0a\u6240\u8ff0\uff0c\u5728 Modbus \u534f\u8bae\u7684\u51e0\u79cd\u5e38\u89c1\u53d8\u4f53\u4e2d\uff0cModbus TCP 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