{"id":8080,"date":"2022-07-03T21:34:20","date_gmt":"2022-07-03T13:34:20","guid":{"rendered":"https:\/\/www.modbus.cn\/?p=8080"},"modified":"2026-07-01T00:02:24","modified_gmt":"2026-06-30T16:02:24","slug":"zheng-tai-bian-pin-qi-rs485-modbus-tong-xun-shuo-ming","status":"publish","type":"post","link":"https:\/\/www.modbus.cn\/en\/8080.html","title":{"rendered":"\u6b63\u6cf0\u53d8\u9891\u5668RS485-MODBUS\u901a\u8baf\u8bf4\u660e"},"content":{"rendered":"<figure class=\"wp-block-image size-full\"><img data-dominant-color=\"c1bfc1\" data-has-transparency=\"true\" style=\"--dominant-color: #c1bfc1;\" decoding=\"async\" sizes=\"(max-width: 800px) 100vw, 800px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/07\/2022071202205380.png\"  class=\"wp-image-10374 has-transparency\"><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u7ec4\u7f51\u65b9\u5f0f <\/h2>\n\n\n\n<p 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class=\"wp-block-paragraph\">RS485\u63a5\u53e3\uff1a\u5f02\u6b65\uff0c\u534a\u53cc\u5de5\u3002\u9ed8\u8ba4\uff1a1-8-N-2\uff081\u4f4d\u8d77\u59cb\u4f4d\uff0c8\u4f4d\u6570\u636e\u4f4d\uff0c\u65e0\u6821\u9a8c\uff0c2\u4f4d\u505c\u6b62\u4f4d\uff09\uff0c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">19200bps\uff0cRTU\uff0c\u4ece\u5730\u57400x0A\u3002\u53c2\u6570\u8bbe\u7f6e\u89c1Fb\u7ec4\u529f\u80fd\u7801\u8bf4\u660e\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u901a\u8baf\u65b9\u5f0f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">1\uff09\u53d8\u9891\u5668\u901a\u8baf\u534f\u8bae\u4e3aModbus\u534f\u8bae\uff0c\u652f\u6301RTU\u548cASCII\u534f\u8bae\u65b9\u5f0f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2\uff09\u53d8\u9891\u5668\u4e3a\u4ece\u673a\uff0c\u4e3b\u4ece\u5f0f\u70b9\u5bf9\u70b9\u901a\u8baf\u3002\u4e3b\u673a\u4f7f\u7528\u5e7f\u64ad\u5730\u5740\u53d1\u9001\u547d\u4ee4\u65f6\uff0c\u4ece\u673a\u4e0d\u5e94\u7b54\u3002<\/p>\n\n\n\n<p 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class=\"wp-block-paragraph\">\u53ef\u901a\u8fc70x04\u547d\u4ee4\u7801\u83b7\u53d6\u53d8\u9891\u5668\u7684\u529f\u80fd\u7801\u53c2\u6570\u5bf9\u5e94\u7684\u53c2\u6570\u5c5e\u6027\uff0c\u5c5e\u6027\u5b9a\u4e49\u683c\u5f0f\u5982\u8868:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-dominant-color=\"e4e4e4\" data-has-transparency=\"false\" style=\"--dominant-color: #e4e4e4;\" decoding=\"async\" sizes=\"(max-width: 756px) 100vw, 756px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/07\/image-1.png\"  class=\"wp-image-9951 not-transparent\"><figcaption><strong>\u8bfb\u53d6\u53c2\u6570\u5c5e\u6027\u65f6\u6570\u636e\u683c\u5f0f\u5b9a\u4e49<\/strong><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-dominant-color=\"ededed\" data-has-transparency=\"false\" style=\"--dominant-color: #ededed;\" decoding=\"async\" sizes=\"(max-width: 761px) 100vw, 761px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/07\/image-2.png\"  class=\"wp-image-9957 not-transparent\"><figcaption><strong>\u53c2\u6570\u5c5e\u6027\u53d6\u503c\u4f4d(bit\uff09\u5b9a\u4e49<\/strong><\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u6ce8\u610f\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53c2\u6570\u5c5e\u6027\u5305\u542b\u4e864\u4e2a\uff08\u62165\u4e2a\uff0916\u4f4d\u6570\u636e\u503c\uff0c\u5bc4\u5b58\u5668\u4e2a\u6570\u9700\u662f4\uff08\u62165\uff09\u7684\u6574\u6570\u500d\uff0c\u5426\u5219\u901a\u4fe1\u53cd\u9988\u975e\u6cd5\u5bc4\u5b58\u5668\u503c\u51fa\u9519\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u63a7\u5236\u547d\u4ee4\u3001\u72b6\u6001\u4fe1\u606f\u3001\u6545\u969c\u4fe1\u606f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Modbus\u4e3b\u7ad9\u53ef\u901a\u8fc7\u63a7\u5236\u547d\u4ee4\u5bf9\u6240\u63a7\u5236\u7684\u53d8\u9891\u5668\u542f\u52a8\u3001\u505c\u6b62\u3001\u8bbe\u5b9a\u8fd0\u884c\u9891\u7387\u7b49\u64cd\u4f5c\u3002\u901a\u8fc7\u76f8\u5e94\u547d\u4ee4\u68c0\u7d22\u53d8\u9891\u5668\u7684\u72b6\u6001\u53c2\u6570\u4fe1\u606f\uff08\u5982\uff1a\u8fd0\u884c\u9891\u7387\u3001\u8f93\u51fa\u7535\u6d41\u3001\u8f93\u51fa\u8f6c\u77e9\u7b49\u53c2\u6570\uff09\uff0c\u540c\u65f6\u53ef\u76d1\u63a7\u6240\u63a7\u5236\u53d8\u9891\u5668\u7684\u6545\u969c\u4fe1\u606f\u3002(\u901a\u7528\u53c2\u6570\u5730\u5740\u6620\u5c04\u89c4\u5219\u53c2\u80033.5.2),\u4e0b\u8868\u7279\u6b8a\u63a7\u5236\u53c2\u6570\u8be6\u7ec6\u8bf4\u660e\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-dominant-color=\"eeeeee\" data-has-transparency=\"false\" style=\"--dominant-color: #eeeeee;\" decoding=\"async\" sizes=\"(max-width: 752px) 100vw, 752px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/07\/image-3.png\"  class=\"wp-image-9967 not-transparent\"><figcaption><strong>\u63a7\u5236\u53c2\u6570\u8be6\u7ec6\u8bf4\u660e<\/strong><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-dominant-color=\"efefef\" data-has-transparency=\"false\" style=\"--dominant-color: #efefef;\" decoding=\"async\" sizes=\"(max-width: 747px) 100vw, 747px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/07\/image-4.png\"  class=\"wp-image-9972 not-transparent\"><figcaption><strong>\u7eed\u8868<\/strong>1<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-dominant-color=\"f0f0f0\" data-has-transparency=\"false\" style=\"--dominant-color: #f0f0f0;\" decoding=\"async\" sizes=\"(max-width: 752px) 100vw, 752px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/07\/image-5.png\"  class=\"wp-image-9977 not-transparent\"><figcaption><strong>\u7eed\u8868<\/strong>2<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u53c2\u6570\u7ba1\u7406<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Modbus\u4e3b\u7ad9\u53ef\u901a\u8fc7\u76f8\u5e94\u547d\u4ee4\u4eceCPU\u677f\u5b50\u4e2d\u83b7\u53d6\u7cfb\u7edf\u53c2\u6570\u7684\u7ec4\u6570\u548c\u7ec4\u53f7\u503c\uff0c\u5e76\u83b7\u53d6\u76f8\u5e94\u7ec4\u7684\u7ec4\u5185\u7f16\u53f7\u3002\u89c4\u5b9a\u901a\u4fe1\u529f\u80fd\u7801\u4e3a0x03\u201d,\u901a\u4fe1\u5730\u5740\u5b9a\u4e49\u5982\u8868<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-dominant-color=\"dedfdf\" data-has-transparency=\"false\" style=\"--dominant-color: #dedfdf;\" decoding=\"async\" sizes=\"(max-width: 752px) 100vw, 752px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/07\/image-6.png\"  class=\"wp-image-9987 not-transparent\"><figcaption><strong>\u53c2\u6570\u7ba1\u7406\u529f\u80fd\u8bf4\u660e<\/strong><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-dominant-color=\"d8d8d8\" data-has-transparency=\"false\" style=\"--dominant-color: #d8d8d8;\" decoding=\"async\" sizes=\"(max-width: 748px) 100vw, 748px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/07\/image-7.png\"  class=\"wp-image-9992 not-transparent\"><figcaption>\u7eed\u8868<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u63a5\u7ebf\u8bf4\u660e<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u62d3\u6251\u7ed3\u6784<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6ca1\u6709\u914d\u7f6e\u4e2d\u7ee7\u5668RS-485-Modbus\u6709\u4e00\u4e2a\u4e0e\u6240\u6709\u8bbe\u5907\u76f4\u63a5\u8fde\u63a5\uff08\u83ca\u82b1\u578b\uff09\u6216\u901a\u8fc7\u77ed\u5206\u652f\u7535\u7f06\u8fde\u63a5\u7684\u5e72\u7ebf\u7535\u7f06\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e72\u7ebf\u7535\u7f06\uff0c\u53c8\u79f0\u603b\u7ebf\uff0c\u53ef\u80fd\u5f88\u957f\u3002\u5b83\u7684\u4e24\u7aef\u5fc5\u987b\u63a5\u7ebf\u8def\u7ec8\u7aef\u3002\u4e5f\u53ef\u4ee5\u5728\u591a\u4e2aRS-485Modbus\u4e4b\u95f4\u4f7f\u7528\u4e2d\u7ee7\u5668\u3002\u4e14\u7f51\u7edc\u4e2d\u7684\u6bcf\u4e2a\u4ece\u673a\u5730\u5740\u7684\u5730\u5740\u5177\u6709\u552f\u4e00\u6027\uff0c\u8fd9\u662f\u4fdd\u8bc1Modbus\u4e32\u884c\u901a\u8baf\u7684\u57fa\u7840\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u957f\u5ea6<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5fc5\u987b\u9650\u5236\u5e72\u7ebf\u7535\u7f06\u7684\u7aef\u5230\u7aef\u957f\u5ea6\u3002\u6700\u5927\u957f\u5ea6\u4e0e\u6ce2\u7279\u7387\u3001\u7535\u7f06\uff08\u89c4\u683c\u3001\u7535\u5bb9\u6216\u7279\u6027\u963b\u6297\uff09\u3001\u83ca\u82b1\u94fe\u4e0a\u7684\u8d1f\u8f7d\u6570\u91cf\u4ee5\u53ca\u7f51\u7edc\u914d\u7f6e\uff082\u7ebf\u62164\u7ebf\u5236\uff09\u6709\u5173\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u9ad8\u901f\u6ce2\u7279\u7387\u4e3a9600bps\u3001AWG26\uff08\u6216\u66f4\u7c97\uff09\u89c4\u683c\u7684\u7535\u7f06\u6765\u8bf4\uff0c\u5176\u6700\u5927\u957f\u5ea6\u4e3a1000m\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5206\u652f\u5fc5\u987b\u77ed\uff0c\u4e0d\u80fd\u8d85\u8fc720m\u3002\u5982\u679c\u4f7f\u7528n\u4e2a\u5206\u652f\u7684\u591a\u7aef\u53e3\u5206\u652f\u5668\uff0c\u6bcf\u4e2a\u5206\u652f\u6700\u5927\u957f\u5ea6\u5fc5\u987b\u9650\u5236\u4e3a40m\u9664\u4ee5n\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u63a5\u5730\u5f62\u5f0f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5fc5\u987b\u5c06\u201c\u516c\u5171\u7aef\u201d\u7535\u8def\uff08\u4fe1\u53f7\u4e0e\u53ef\u9009\u7535\u6e90\u7684\u516c\u5171\u7aef\uff09\u76f4\u63a5\u8fde\u63a5\u5230\u4fdd\u62a4\u5730\u4e0a\uff0c\u6700\u597d\u662f\u6574\u6761\u603b\u7ebf\u5355\u70b9\u63a5\u5730\u3002\u901a\u5e38\uff0c\u8be5\u70b9\u53ef\u9009\u5728\u4e3b\u7ad9\u4e0a\u6216\u5176\u5206\u652f\u5668\u4e0a\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7535\u7f06<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e32\u884c\u94fe\u8def\u4e0a\u7684Modbus\u7535\u7f06\u5fc5\u987b\u662f\u5c4f\u853d\u7684\u3002\u5728\u6bcf\u6761\u7535\u7f06\u4e00\u7aef\uff0c\u5176\u5c4f\u853d\u5fc5\u987b\u8fde\u63a5\u5230\u4fdd\u62a4\u5730\u4e0a\u3002\u82e5\u5728\u8fd9\u7aef\u4f7f\u7528\u4e86\u8fde\u63a5\u5668\uff0c\u5219\u5c06\u8fde\u63a5\u5668\u5916\u58f3\u8fde\u63a5\u5230\u7535\u7f06\u5c4f\u853d\u5c42\u4e0a\u3002RS485-Modbus\u5fc5\u987b\u4f7f\u7528\u4e00\u5bf9\u5e73\u8861\u7ebf\u5bf9\u548c\u7b2c\u4e09\u6839\u7ebf\uff08\u7528\u4e8e\u516c\u5171\u7aef\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9RS485-Modbus\u6765\u8bf4\uff0c\u5fc5\u987b\u9009\u62e9\u8db3\u591f\u5bbd\u7684\u7ebf\u7f06\u76f4\u5f84\u4ee5\u4fbf\u5141\u8bb8\u4f7f\u7528\u6700\u5927\u957f\u5ea6\uff081000m\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">AWG24\u80fd\u591f\u6ee1\u8db3Modbus\u6570\u636e\u4f20\u8f93\u7684\u9700\u8981\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u901a\u8baf\u5f02\u5e38\u7801\u5b9a\u4e49<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u901a\u4fe1\u8fc7\u7a0b\u4e2d\u68c0\u6d4b\u5230\u76f8\u5e94\u7684\u51fa\u9519\u4fe1\u606f\u65f6\uff0c\u4e0b\u4f4d\u673a\uff08\u5373CPU\u677f\uff09\u4f1a\u5c06\u529f\u80fd\u7801\u7684\u9ad8\u4f4d\u7f6e\u201c1\u201d\uff0c\u5e76\u53cd\u9988\u76f8\u5e94\u7684\u51fa\u9519\u7801\uff08\u5f02\u5e38\u7801\uff09\uff0c\u4ee5\u4fbf\u4e0a\u4f4d\u673a\u8bc6\u522b\u5f53\u524d\u51fa\u9519\u539f\u56e0\uff0c\u76f8\u5e94\u5b9a\u4e49\u5982\u8868<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-dominant-color=\"eaebeb\" data-has-transparency=\"false\" style=\"--dominant-color: #eaebeb;\" decoding=\"async\" sizes=\"(max-width: 750px) 100vw, 750px\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/07\/image-8.png\"  class=\"wp-image-10014 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class=\"wp-block-paragraph\">\u5982\u679c\u9700\u8981\u6539\u53d8\u53d8\u9891\u5668\u8d77\u59cb\u8bbe\u5b9a\u9891\u7387\uff0c\u5c0650.00Hz\u6539\u4e3a25.00Hz\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3b\u673a\u53d1\u9001\u7684\u6570\u636e\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>\u53d8\u9891\u5668\u5730\u5740<\/td><td>\u5199\u547d\u4ee4<\/td><td>\u53c2\u6570\u5730\u5740<\/td><td>\u6570\u636e\u5185\u5bb9<\/td><td>CRC\u6821\u9a8c<\/td><\/tr><tr><td><strong>01<\/strong><\/td><td><strong>06<\/strong><\/td><td><strong>00 05<\/strong><\/td><td><strong>09 C4<\/strong><\/td><td><strong>9E 08<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3b\u673a\u63a5\u6536\u5230\u7684\u6570\u636e\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>\u53d8\u9891\u5668\u5730\u5740<\/td><td>\u5199\u547d\u4ee4<\/td><td>\u53c2\u6570\u5730\u5740<\/td><td>\u6570\u636e\u5185\u5bb9<\/td><td>CRC\u6821\u9a8c<\/td><\/tr><tr><td><strong>01<\/strong><\/td><td><strong>03<\/strong><\/td><td><strong>00 05<\/strong><\/td><td><strong>09 C4<\/strong><\/td><td><strong>9E 08<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u4f8b2\uff1a<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u9700\u8981\u8bfb\u53d6\u53d8\u9891\u5668F0.00\u7ec4\u63a7\u5236\u65b9\u5f0f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3b\u673a\u53d1\u9001\u7684\u6570\u636e\uff1a<\/p>\n\n\n\n<figure 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