{"id":27934,"date":"2024-04-29T00:36:32","date_gmt":"2024-04-28T16:36:32","guid":{"rendered":"https:\/\/www.modbus.cn\/?p=27934"},"modified":"2026-06-30T23:54:44","modified_gmt":"2026-06-30T15:54:44","slug":"modbus-gong-neng-ma","status":"publish","type":"post","link":"https:\/\/www.modbus.cn\/en\/27934.html","title":{"rendered":"Modbus \u529f\u80fd\u7801"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Modbus \u529f\u80fd\u7801\u662f Modbus \u6d88\u606f\u5e27\uff08\u62a5\u6587\uff09\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\uff0c\u662f Modbus \u534f\u8bae\u4e2d\u901a\u4fe1\u4e8b\u52a1\u5904\u7406\u7684\u57fa\u7840\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/04\/20240429003632240.png\" ><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u6982\u8ff0\">\u6982\u8ff0<a href=\"https:\/\/getiot.tech\/zh\/modbus\/modbus-function-codes#%E6%A6%82%E8%BF%B0\" rel=\"noopener noreferrer nofollow\">\u200b<\/a><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Modbus \u529f\u80fd\u7801\u5360\u7528\u4e00\u4e2a\u5b57\u8282\uff0c\u53d6\u503c\u8303\u56f4\u662f 1~127\uff08\u5373 0x01~0x7F\uff09\u3002\u540c\u65f6\uff0c\u4f7f\u7528\u529f\u80fd\u7801 + 0x80 \u8868\u793a\u5f02\u5e38\u72b6\u6001\uff0c\u5373 129~255 \u4ee3\u8868\u5f02\u5e38\u7801\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728 Modbus \u6807\u51c6\u534f\u8bae\u4e2d\uff0c\u4e00\u5171\u89c4\u5b9a\u4e86\u4e09\u7c7b Modbus \u529f\u80fd\u7801\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u516c\u5171\u529f\u80fd\u7801<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u88ab\u660e\u786e\u5b9a\u4e49\u7684\u529f\u80fd\u7801\uff1b<\/li>\n\n\n\n<li>\u4fdd\u8bc1\u552f\u4e00\u6027\uff1b<\/li>\n\n\n\n<li>\u7531 Modbus \u534f\u4f1a\u786e\u8ba4\uff0c\u5e76\u63d0\u4f9b\u516c\u5f00\u7684\u6587\u6863\uff1b<\/li>\n\n\n\n<li>\u53ef\u8fdb\u884c\u4e00\u81f4\u6027\u6d4b\u8bd5\uff1b<\/li>\n\n\n\n<li>\u5305\u62ec\u534f\u8bae\u5b9a\u4e49\u7684\u529f\u80fd\u7801\u548c\u4fdd\u7559\u5c06\u6765\u4f7f\u7528\u7684\u529f\u80fd\u7801\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u7528\u6237\u81ea\u5b9a\u4e49\u529f\u80fd\u7801<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u6709\u4e24\u4e2a\u7528\u6237\u81ea\u5b9a\u4e49\u529f\u80fd\u7801\u533a\u57df\uff0c\u5206\u522b\u662f 65<del>72 \u548c 100<\/del>110\uff1b<\/li>\n\n\n\n<li>\u7528\u6237\u81ea\u5b9a\u4e49\uff0c\u4e0d\u4fdd\u8bc1\u552f\u4e00\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u4fdd\u7559\u529f\u80fd\u7801<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u4fdd\u7559\u529f\u80fd\u7801\u662f\u56e0\u4e3a\u5386\u53f2\u9057\u7559\u539f\u56e0\uff0c\u67d0\u4e9b\u516c\u53f8\u7684\u4f20\u7edf\u4ea7\u54c1\u4e0a\u73b0\u884c\u4f7f\u7528\u7684\u529f\u80fd\u7801\u4e0d\u4f5c\u4e3a\u516c\u5171\u4f7f\u7528\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6559\u7a0b\u4e3b\u8981\u4ecb\u7ecd\u516c\u5171\u529f\u80fd\u7801\uff0c\u4e0b\u8868\u5c55\u793a\u4e86 Modbus \u534f\u8bae\u4e2d\u7684\u90e8\u5206\u516c\u5171\u529f\u80fd\u7801\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u4ee3\u7801<\/th><th>\u540d\u79f0<\/th><th>\u82f1\u6587<\/th><th>\u5bc4\u5b58\u5668 PLC \u5730\u5740<\/th><th>\u4f4d\/\u5b57\u64cd\u4f5c<\/th><th>\u64cd\u4f5c\u6570\u91cf<\/th><\/tr><\/thead><tbody><tr><td>01<\/td><td>\u8bfb\u7ebf\u5708\u72b6\u6001<\/td><td>Read Coils<\/td><td>00001~09999<\/td><td>\u4f4d\u64cd\u4f5c<\/td><td>\u5355\u4e2a\u6216\u591a\u4e2a<\/td><\/tr><tr><td>02<\/td><td>\u8bfb\u79bb\u6563\u8f93\u5165\u72b6\u6001<\/td><td>Read Discrete Inputs<\/td><td>10001~19999<\/td><td>\u4f4d\u64cd\u4f5c<\/td><td>\u5355\u4e2a\u6216\u591a\u4e2a<\/td><\/tr><tr><td>03<\/td><td>\u8bfb\u4fdd\u6301\u5bc4\u5b58\u5668<\/td><td>Read Holding Registers<\/td><td>40001~49999<\/td><td>\u5b57\u64cd\u4f5c<\/td><td>\u5355\u4e2a\u6216\u591a\u4e2a<\/td><\/tr><tr><td>04<\/td><td>\u8bfb\u8f93\u5165\u5bc4\u5b58\u5668<\/td><td>Read Input Registers<\/td><td>30001~39999<\/td><td>\u5b57\u64cd\u4f5c<\/td><td>\u5355\u4e2a\u6216\u591a\u4e2a<\/td><\/tr><tr><td>05<\/td><td>\u5199\u5355\u4e2a\u7ebf\u5708<\/td><td>Write Single Coil<\/td><td>00001~09999<\/td><td>\u4f4d\u64cd\u4f5c<\/td><td>\u5355\u4e2a<\/td><\/tr><tr><td>06<\/td><td>\u5199\u5355\u4e2a\u4fdd\u6301\u5bc4\u5b58\u5668<\/td><td>Write Single Register<\/td><td>40001~49999<\/td><td>\u5b57\u64cd\u4f5c<\/td><td>\u5355\u4e2a<\/td><\/tr><tr><td>15<\/td><td>\u5199\u591a\u4e2a\u7ebf\u5708<\/td><td>Write Multiple Coils<\/td><td>00001~09999<\/td><td>\u4f4d\u64cd\u4f5c<\/td><td>\u591a\u4e2a<\/td><\/tr><tr><td>16<\/td><td>\u5199\u591a\u4e2a\u4fdd\u6301\u5bc4\u5b58\u5668<\/td><td>Write Multiple Registers<\/td><td>40001~49999<\/td><td>\u5b57\u64cd\u4f5c<\/td><td>\u591a\u4e2a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u529f\u80fd\u7801\u7684\u64cd\u4f5c\u53ef\u5206\u4e3a\u4e24\u79cd\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f4d\u64cd\u4f5c \u2014\u2014 \u6700\u5c0f\u5355\u4f4d\u4e3a\u4e00\u4f4d\uff08bit\uff09\uff0c\u5305\u62ec\u8bfb\u7ebf\u5708\u72b6\u6001\u529f\u80fd\u7801 01\u3001\u8bfb\u79bb\u6563\u8f93\u5165\u72b6\u6001\u529f\u80fd\u7801 02\u3001\u5199\u5355\u4e2a\u7ebf\u5708\u529f\u80fd\u7801 05 \u548c\u5199\u591a\u4e2a\u7ebf\u5708\u529f\u80fd\u7801 15\uff1b<\/li>\n\n\n\n<li>\u5b57\u64cd\u4f5c \u2014\u2014 \u6700\u5c0f\u5355\u4f4d\u4e3a\u4e24\u4e2a\u5b57\u8282\uff0c\u5305\u62ec\u8bfb\u4fdd\u6301\u5bc4\u5b58\u5668\u529f\u80fd\u7801 03\u3001\u8bfb\u8f93\u5165\u5bc4\u5b58\u5668\u529f\u80fd\u7801 04\u3001\u5199\u5355\u4e2a\u4fdd\u6301\u5bc4\u5b58\u5668\u529f\u80fd\u7801 06 \u548c\u5199\u591a\u4e2a\u4fdd\u6301\u5bc4\u5b58\u5668\u529f\u80fd\u7801 16\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u529f\u80fd\u7801\">Function Code<a href=\"https:\/\/getiot.tech\/zh\/modbus\/modbus-function-codes#%E5%8A%9F%E8%83%BD%E7%A0%81\" rel=\"noopener noreferrer nofollow\">\u200b<\/a><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"0x01-\u8bfb\u53d6\u7ebf\u5708\u79bb\u6563\u91cf\u8f93\u51fa\u503c\">0x01 \u8bfb\u53d6\u7ebf\u5708\/\u79bb\u6563\u91cf\u8f93\u51fa\u503c<a href=\"https:\/\/getiot.tech\/zh\/modbus\/modbus-function-codes#0x01-%E8%AF%BB%E5%8F%96%E7%BA%BF%E5%9C%88%E7%A6%BB%E6%95%A3%E9%87%8F%E8%BE%93%E5%87%BA%E5%80%BC\" rel=\"noopener noreferrer nofollow\">\u200b<\/a><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8be5\u529f\u80fd\u7801\u7528\u4e8e\u8bfb\u53d6\u4ece\u8bbe\u5907\u7684\u7ebf\u5708\u6216\u79bb\u6563\u91cf\u8f93\u51fa\u7684\u72b6\u6001\uff0c\u5373\u5404 DO\uff08Discrete Output\uff0c\u79bb\u6563\u8f93\u51fa\uff09\u7684 ON\/OFF \u72b6\u6001\u3002<\/li>\n\n\n\n<li>\u6d88\u606f\u5e27\u4e2d\u6307\u5b9a\u4e86\u9700\u8bfb\u53d6\u7684\u7ebf\u5708\u8d77\u59cb\u5730\u5740\u548c\u7ebf\u5708\u6570\u76ee\u3002<\/li>\n\n\n\n<li>\u8d77\u59cb\u5730\u5740\u7531 2 \u4e2a\u5b57\u8282\u6784\u6210\uff0c\u53d6\u503c\u8303\u56f4\u4e3a 0x0000 \u5230 0xFFFF\u3002<\/li>\n\n\n\n<li>\u7ebf\u5708\u6570\u91cf\u7531 2 \u4e2a\u5b57\u8282\u6784\u6210\uff0c\u53d6\u503c\u8303\u56f4\u4e3a 0x0001 \u5230 0x07D0\uff08\u5373\u5341\u8fdb\u5236 1~2000\uff09\u3002<\/li>\n\n\n\n<li>\u9700\u8981\u6ce8\u610f\uff0c\u5728 Modbus \u534f\u8bae\u89c4\u5b9a\u7684 PDU \u4e2d\uff0c\u89c4\u5b9a\u6240\u6709\u7ebf\u5708\u6216\u5bc4\u5b58\u5668\u5730\u5740\u4ece 0 \u5f00\u59cb\u8ba1\u7b97\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"0x02-\u8bfb\u53d6\u79bb\u6563\u91cf\u8f93\u5165\u503c\">0x02 \u8bfb\u53d6\u79bb\u6563\u91cf\u8f93\u5165\u503c<a href=\"https:\/\/getiot.tech\/zh\/modbus\/modbus-function-codes#0x02-%E8%AF%BB%E5%8F%96%E7%A6%BB%E6%95%A3%E9%87%8F%E8%BE%93%E5%85%A5%E5%80%BC\" rel=\"noopener noreferrer nofollow\">\u200b<\/a><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8be5\u529f\u80fd\u7801\u7528\u4e8e\u8bfb\u53d6\u4ece\u8bbe\u5907\u7684\u79bb\u6563\u8f93\u5165\uff0c\u5373 DI\uff08Discrete Input\uff09\u7684 ON\/OFF \u72b6\u6001\u3002<\/li>\n\n\n\n<li>\u6d88\u606f\u5e27\u4e2d\u6307\u5b9a\u4e86\u9700\u8bfb\u53d6\u7684\u79bb\u6563\u8f93\u5165\u5bc4\u5b58\u5668\u8d77\u59cb\u5730\u5740\u548c\u6570\u76ee\uff0c\u53ef\u8bfb\u53d6 1~2000 \u4e2a\u8fde\u7eed\u7684\u79bb\u6563\u91cf\u8f93\u5165\u72b6\u6001\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u4ece\u8bbe\u5907\u63a5\u53d7\u4e3b\u8bbe\u5907\u7684\u8bf7\u6c42\u5219\u56de\u590d\u529f\u80fd\u7801 02\uff0c\u5e76\u8fd4\u56de\u79bb\u6563\u91cf\u8f93\u5165\u5404\u53d8\u91cf\u7684\u5f53\u524d\u72b6\u6001\uff08\u5982\u679c\u8fd4\u56de\u7684 DI \u6570\u91cf\u4e0d\u662f 8 \u7684\u6574\u6570\u500d\uff0c\u5c06\u7528 0 \u586b\u5145\u6700\u540e\u6570\u636e\u5b57\u8282\u7684\u5269\u4f59\u4f4d\uff09\u3002<\/li>\n\n\n\n<li>\u8d77\u59cb\u5730\u5740\u7531 2 \u4e2a\u5b57\u8282\u6784\u6210\uff0c\u53d6\u503c\u8303\u56f4\u4e3a 0x0000 \u5230 0xFFFF\u3002<\/li>\n\n\n\n<li>\u79bb\u6563\u91cf\u6570\u91cf\u7531 2 \u4e2a\u5b57\u8282\u6784\u6210\uff0c\u53d6\u503c\u8303\u56f4\u4e3a 0x0001 \u5230 0x07D0\uff08\u5373\u5341\u8fdb\u5236 1~2000\uff09\uff0c\u6700\u591a\u4e00\u6b21\u53ef\u8bfb\u53d6 2000 \u4e2a\u79bb\u6563\u8f93\u5165\u72b6\u6001\u503c\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"0x03-\u8bfb\u53d6\u4fdd\u6301\u5bc4\u5b58\u5668\u503c\">0x03 \u8bfb\u53d6\u4fdd\u6301\u5bc4\u5b58\u5668\u503c<a href=\"https:\/\/getiot.tech\/zh\/modbus\/modbus-function-codes#0x03-%E8%AF%BB%E5%8F%96%E4%BF%9D%E6%8C%81%E5%AF%84%E5%AD%98%E5%99%A8%E5%80%BC\" rel=\"noopener noreferrer nofollow\">\u200b<\/a><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8be5\u529f\u80fd\u7801\u7528\u4e8e\u8bfb\u53d6\u4ece\u8bbe\u5907\u4fdd\u6301\u5bc4\u5b58\u5668\u7684\u5185\u5bb9\uff0c\u4e0d\u652f\u6301\u5e7f\u64ad\u6a21\u5f0f\u3002<\/li>\n\n\n\n<li>\u6d88\u606f\u5e27\u4e2d\u6307\u5b9a\u4e86\u9700\u8bfb\u53d6\u7684\u4fdd\u6301\u5bc4\u5b58\u5668\u7684\u8d77\u59cb\u5730\u5740\u548c\u6570\u76ee\uff0c\u800c\u4fdd\u6301\u5bc4\u5b58\u5668\u4e2d\u5404\u5730\u5740\u7684\u5177\u4f53\u5185\u5bb9\u548c\u610f\u4e49\u5219\u7531\u8bbe\u5907\u5f00\u53d1\u8005\u81ea\u884c\u89c4\u5b9a\u3002<\/li>\n\n\n\n<li>\u8d77\u59cb\u5730\u5740\u7531 2 \u4e2a\u5b57\u8282\u6784\u6210\uff0c\u53d6\u503c\u8303\u56f4\u4e3a 0x0000 \u5230 0xFFFF\u3002<\/li>\n\n\n\n<li>\u5bc4\u5b58\u5668\u6570\u91cf\u7531 2 \u4e2a\u5b57\u8282\u6784\u6210\uff0c\u53d6\u503c\u8303\u56f4\u4e3a 0x0001 \u5230 0x007D\uff08\u5373\u5341\u8fdb\u5236 1~125\uff09\uff0c\u6700\u591a\u4e00\u6b21\u53ef\u8fde\u7eed\u8bfb\u53d6 125 \u4e2a\u5bc4\u5b58\u5668\u503c\u3002<\/li>\n\n\n\n<li>\u9700\u8981\u6ce8\u610f\uff0cModbus \u7684\u4fdd\u6301\u5bc4\u5b58\u5668\u548c\u8f93\u5165\u5bc4\u5b58\u5668\u662f\u4ee5\u5b57\uff08Word\uff09\u4e3a\u57fa\u672c\u5355\u4f4d\u7684\uff081Word \u7b49\u4e8e 2Bytes\uff09\u3002\u56e0\u6b64\uff0c\u5728\u8bfb\u53d6\u65f6\u9700\u8981\u6ce8\u610f\u5b57\u8282\u5e8f\uff08\u5927\u5c0f\u7aef\uff09\u95ee\u9898\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"0x04-\u8bfb\u53d6\u8f93\u5165\u5bc4\u5b58\u5668\u503c\">0x04 \u8bfb\u53d6\u8f93\u5165\u5bc4\u5b58\u5668\u503c<a href=\"https:\/\/getiot.tech\/zh\/modbus\/modbus-function-codes#0x04-%E8%AF%BB%E5%8F%96%E8%BE%93%E5%85%A5%E5%AF%84%E5%AD%98%E5%99%A8%E5%80%BC\" rel=\"noopener noreferrer nofollow\">\u200b<\/a><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8be5\u529f\u80fd\u7801\u7528\u4e8e\u8bfb\u53d6\u4ece\u8bbe\u5907\u8f93\u5165\u5bc4\u5b58\u5668\u7684\u5185\u5bb9\uff0c\u4e0d\u652f\u6301\u5e7f\u64ad\u6a21\u5f0f\u3002\uff08\u4e0e 03 \u529f\u80fd\u7801\u7c7b\u4f3c\uff09<\/li>\n\n\n\n<li>\u6d88\u606f\u5e27\u4e2d\u6307\u5b9a\u4e86\u9700\u8bfb\u53d6\u7684\u8f93\u5165\u5bc4\u5b58\u5668\u7684\u8d77\u59cb\u5730\u5740\u548c\u6570\u76ee\uff0c\u800c\u8f93\u5165\u5bc4\u5b58\u5668\u4e2d\u5404\u5730\u5740\u7684\u5177\u4f53\u5185\u5bb9\u548c\u610f\u4e49\u5219\u7531\u8bbe\u5907\u5f00\u53d1\u8005\u81ea\u884c\u89c4\u5b9a\u3002<\/li>\n\n\n\n<li>\u8d77\u59cb\u5730\u5740\u7531 2 \u4e2a\u5b57\u8282\u6784\u6210\uff0c\u53d6\u503c\u8303\u56f4\u4e3a 0x0000 \u5230 0xFFFF\u3002<\/li>\n\n\n\n<li>\u5bc4\u5b58\u5668\u6570\u91cf\u7531 2 \u4e2a\u5b57\u8282\u6784\u6210\uff0c\u53d6\u503c\u8303\u56f4\u4e3a 0x0001 \u5230 0x007D\uff08\u5373\u5341\u8fdb\u5236 1~125\uff09\uff0c\u6700\u591a\u4e00\u6b21\u53ef\u8fde\u7eed\u8bfb\u53d6 125 \u4e2a\u5bc4\u5b58\u5668\u503c\u3002<\/li>\n\n\n\n<li>\u540c\u6837\u9700\u8981\u6ce8\u610f\u5b57\u8282\u5e8f\u95ee\u9898\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"0x05-\u5199\u5355\u4e2a\u7ebf\u5708\u5355\u4e2a\u79bb\u6563\u8f93\u51fa\">0x05 \u5199\u5355\u4e2a\u7ebf\u5708\/\u5355\u4e2a\u79bb\u6563\u8f93\u51fa<a href=\"https:\/\/getiot.tech\/zh\/modbus\/modbus-function-codes#0x05-%E5%86%99%E5%8D%95%E4%B8%AA%E7%BA%BF%E5%9C%88%E5%8D%95%E4%B8%AA%E7%A6%BB%E6%95%A3%E8%BE%93%E5%87%BA\" rel=\"noopener noreferrer nofollow\">\u200b<\/a><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8be5\u529f\u80fd\u7801\u7528\u4e8e\u5c06\u5355\u4e2a\u7ebf\u5708\u5bc4\u5b58\u5668\uff08\u6216\u79bb\u6563\u8f93\u51fa\uff09\u8bbe\u7f6e\u4e3a ON \u6216 OFF\uff0c\u652f\u6301\u5e7f\u64ad\u6a21\u5f0f\u3002<\/li>\n\n\n\n<li>\u5728\u5e7f\u64ad\u6a21\u5f0f\u4e0b\uff0c\u6240\u6709\u4ece\u7ad9\u8bbe\u5907\u7684\u540c\u4e00\u5730\u5740\u7684\u503c\u5c06\u88ab\u7edf\u4e00\u4fee\u6539\u3002<\/li>\n\n\n\n<li>\u6d88\u606f\u5e27\u4e2d\u6307\u5b9a\u4e86\u9700\u8981\u53d8\u66f4\u7684\u7ebf\u5708\u5730\u5740\u548c\u8bbe\u5b9a\u7684\u72b6\u6001\u503c\u3002<\/li>\n\n\n\n<li>\u8d77\u59cb\u5730\u5740\u7531 2 \u4e2a\u5b57\u8282\u6784\u6210\uff0c\u53d6\u503c\u8303\u56f4\u4e3a 0x0000 \u5230 0xFFFF\u3002<\/li>\n\n\n\n<li>\u76ee\u6807\u6570\u636e\uff08\u5373\u67e5\u8be2\u62a5\u6587\u4e2d\u7684 ON\/OFF \u72b6\u6001\uff09\u7531\u62a5\u6587\u6570\u636e\u5b57\u6bb5\u7684\u5e38\u6570\u6307\u5b9a\uff0c0xFF00 \u8868\u793a ON \u72b6\u6001\uff0c0x0000 \u8868\u793a OFF \u72b6\u6001\uff0c\u5176\u4f59\u6240\u6709\u503c\u5747\u662f\u975e\u6cd5\u7684\u3002<\/li>\n\n\n\n<li>\u9700\u8981\u6ce8\u610f\uff0c\u5728 Modbus \u534f\u8bae\u89c4\u5b9a\u7684 PDU \u4e2d\uff0c\u89c4\u5b9a\u6240\u6709\u7ebf\u5708\u6216\u5bc4\u5b58\u5668\u5730\u5740\u4ece 0 \u5f00\u59cb\u8ba1\u7b97\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"0x06-\u5199\u5355\u4e2a\u4fdd\u6301\u5bc4\u5b58\u5668\">0x06 \u5199\u5355\u4e2a\u4fdd\u6301\u5bc4\u5b58\u5668<a href=\"https:\/\/getiot.tech\/zh\/modbus\/modbus-function-codes#0x06-%E5%86%99%E5%8D%95%E4%B8%AA%E4%BF%9D%E6%8C%81%E5%AF%84%E5%AD%98%E5%99%A8\" rel=\"noopener noreferrer nofollow\">\u200b<\/a><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8be5\u529f\u80fd\u7801\u7528\u4e8e\u66f4\u65b0\u4ece\u8bbe\u5907\u7684\u5355\u4e2a\u4fdd\u6301\u5bc4\u5b58\u5668\u7684\u503c\uff0c\u652f\u6301\u5e7f\u64ad\u6a21\u5f0f\u3002<\/li>\n\n\n\n<li>\u5728\u5e7f\u64ad\u6a21\u5f0f\u4e0b\uff0c\u6240\u6709\u4ece\u7ad9\u8bbe\u5907\u7684\u540c\u4e00\u5730\u5740\u7684\u503c\u5c06\u88ab\u7edf\u4e00\u4fee\u6539\u3002<\/li>\n\n\n\n<li>\u6d88\u606f\u5e27\u4e2d\u9700\u8981\u6307\u5b9a\u4ece\u8bbe\u5907\u5730\u5740\u4ee5\u53ca\u9700\u8981\u53d8\u66f4\u7684\u4fdd\u6301\u5bc4\u5b58\u5668\u5730\u5740\u548c\u8bbe\u5b9a\u503c\u3002<\/li>\n\n\n\n<li>\u8d77\u59cb\u5730\u5740\u7531 2 \u4e2a\u5b57\u8282\u6784\u6210\uff0c\u53d6\u503c\u8303\u56f4\u4e3a 0x0000 \u5230 0xFFFF\u3002<\/li>\n\n\n\n<li>\u53d8\u66f4\u76ee\u6807\u6570\u636e\u7531 2 \u4e2a\u5b57\u8282\u6784\u6210\uff0c\u53d6\u503c\u8303\u56f4\u4e3a 0x0000 \u5230 0xFFFF\u3002<\/li>\n\n\n\n<li>\u4fdd\u6301\u5bc4\u5b58\u5668\u4ee5\u5b57\uff08Word\uff09\u4e3a\u57fa\u672c\u5355\u4f4d\uff0c\u5199\u5165\u65f6\u9700\u8981\u6ce8\u610f\u76ee\u6807\u6570\u636e\u7684\u5b57\u8282\u5e8f\u95ee\u9898\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"0x08-\u8bca\u65ad\u529f\u80fd\">0x08 \u8bca\u65ad\u529f\u80fd<a href=\"https:\/\/getiot.tech\/zh\/modbus\/modbus-function-codes#0x08-%E8%AF%8A%E6%96%AD%E5%8A%9F%E8%83%BD\" rel=\"noopener noreferrer nofollow\">\u200b<\/a><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8be5\u529f\u80fd\u7801\u4ec5\u7528\u4e8e\u4e32\u884c\u94fe\u8def\uff0c\u4e3b\u8981\u7528\u4e8e\u68c0\u6d4b\u4e3b\u8bbe\u5907\u548c\u4ece\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\u6545\u969c\uff0c\u6216\u68c0\u6d4b\u4ece\u8bbe\u5907\u7684\u5404\u79cd\u5185\u90e8\u6545\u969c\uff0c\u8be5\u529f\u80fd\u4e0d\u652f\u6301\u5e7f\u64ad\u3002<\/li>\n\n\n\n<li>\u67e5\u8be2\u62a5\u6587\u4e2d\u9700\u8981\u6307\u5b9a\u4ece\u8bbe\u5907\u5730\u5740\u3001\u529f\u80fd\u7801\uff08Modbus Command\uff09\u4ee5\u53ca\u5b50\u529f\u80fd\u7801\uff08Diagnostic Sub-function\uff09\u3002\u5176\u4e2d\uff0c\u5b50\u529f\u80fd\u7801\u5b57\u6bb5\u4e3a 2 \u4e2a\u5b57\u8282\uff0c\u7528\u4e8e\u533a\u522b\u5404\u8bca\u65ad\u7c7b\u578b\u3002<\/li>\n\n\n\n<li>\u5728\u6b63\u5e38\u7684\u54cd\u5e94\u62a5\u6587\u4e2d\uff0c\u4ece\u8bbe\u5907\u5c06\u539f\u6837\u56de\u590d\u529f\u80fd\u7801\u548c\u5b50\u529f\u80fd\u7801\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e38\u7528\u7684 Modbus \u8bca\u65ad\u5b50\u529f\u80fd\u7801\u5b9a\u4e49\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Function Code<\/th><th>\u5b50\u529f\u80fd\u7801<\/th><th>\u63cf\u8ff0<\/th><th>\u8bf4\u660e<\/th><\/tr><\/thead><tbody><tr><td>08<\/td><td>00\uff080x00\uff09<\/td><td>Return Data Query (Loop-back)<\/td><td>\u539f\u6837\u8fd4\u56de\u67e5\u8be2\u62a5\u6587<\/td><\/tr><tr><td>08<\/td><td>01\uff080x01\uff09<\/td><td>Restart Communications<\/td><td>\u7528\u4e8e\u521d\u59cb\u5316\u5e76\u91cd\u65b0\u542f\u52a8\u4ece\u7ad9\u8bbe\u5907<br>\u5176\u4e2d\uff0c\u62a5\u6587\u5b57\u6bb5<br>0x00, 0x00 \u8868\u793a\u4fdd\u6301\u4e8b\u4ef6\u8bb0\u5f55<br>0xFF, 0x00 \u8868\u793a\u6e05\u9664\u4e8b\u4ef6\u8bb0\u5f55<\/td><\/tr><tr><td>08<\/td><td>02\uff080x02\uff09<\/td><td>Return Diagnostic Register<\/td><td>\u8fd4\u56de\u8bca\u65ad\u5bc4\u5b58\u5668\u5185\u5bb9<\/td><\/tr><tr><td>08<\/td><td>03\uff080x03\uff09<\/td><td>Change ASCII Input Delimiter<\/td><td><\/td><\/tr><tr><td>08<\/td><td>04\uff080x04\uff09<\/td><td>Force Listen Only Mode<\/td><td>\u5f3a\u5236\u88ab\u5bfb\u5740\u7684\u4ece\u7ad9\u8bbe\u5907\u8fdb\u5165\u53ea\u542c\u6a21\u5f0f<br>\u4f7f\u5176\u4e0e\u7f51\u7edc\u4e2d\u7684\u5176\u4ed6\u8bbe\u5907\u65ad\u5f00\uff0c\u4e0d\u8fd4\u56de\u54cd\u5e94<\/td><\/tr><tr><td>08<\/td><td>10\uff080x0A\uff09<\/td><td>Clear Counters and Diagnostic Registers<\/td><td>\u6e05\u9664\u8ba1\u6570\u5668\u548c\u8bca\u65ad\u5bc4\u5b58\u5668<\/td><\/tr><tr><td>08<\/td><td>11\uff080x0B\uff09<\/td><td>Return Bus Message Count<\/td><td>\u8fd4\u56de\u603b\u7ebf\u62a5\u6587\u8ba1\u6570\u503c<\/td><\/tr><tr><td>08<\/td><td>12\uff080x0C\uff09<\/td><td>Return Bus Communication Error Count<\/td><td>\u8fd4\u56de\u603b\u7ebf\u901a\u4fe1 CRC \u51fa\u9519\u8ba1\u6570<\/td><\/tr><tr><td>08<\/td><td>13\uff080x0D\uff09<\/td><td>Return Bus Exception Error Count<\/td><td>\u8fd4\u56de\u603b\u7ebf\u5f02\u5e38\u8ba1\u6570<\/td><\/tr><tr><td>08<\/td><td>14\uff080x0E\uff09<\/td><td>Return Slave Message Count<\/td><td>\u8fd4\u56de\u4ece\u7ad9\u8bbe\u5907\u63a5\u6536\u7684\u62a5\u6587\u6570\u91cf<\/td><\/tr><tr><td>08<\/td><td>15\uff080x0F\uff09<\/td><td>Return Slave No Response Count<\/td><td>\u8fd4\u56de\u4ece\u7ad9\u8bbe\u5907\u6ca1\u6709\u8fd4\u56de\u54cd\u5e94\u7684\u62a5\u6587\u6570\u91cf<\/td><\/tr><tr><td>08<\/td><td>16\uff080x10\uff09<\/td><td>Return Slave NAK Count<\/td><td><\/td><\/tr><tr><td>08<\/td><td>17\uff080x11\uff09<\/td><td>Return Slave Busy Count<\/td><td>\u8fd4\u56de\u4ece\u7ad9\u8bbe\u5907\u54cd\u5e94\u5fd9\u7684\u62a5\u6587\u6570\u91cf<\/td><\/tr><tr><td>08<\/td><td>18\uff080x12\uff09<\/td><td>Return Bus Character Overrun Count<\/td><td>\u8fd4\u56de\u603b\u7ebf\u5b57\u7b26\u8d85\u9650\u7684\u62a5\u6587\u6570\u91cf<\/td><\/tr><tr><td>08<\/td><td>19\uff080x13\uff09<\/td><td>Return IOP Overrun Count (884)<\/td><td><\/td><\/tr><tr><td>08<\/td><td>20\uff080x14\uff09<\/td><td>Clear Overrun Counter and Flag (884)<\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"0x0b-\u83b7\u53d6\u901a\u4fe1\u4e8b\u4ef6\u8ba1\u6570\u5668\">0x0B \u83b7\u53d6\u901a\u4fe1\u4e8b\u4ef6\u8ba1\u6570\u5668<a href=\"https:\/\/getiot.tech\/zh\/modbus\/modbus-function-codes#0x0b-%E8%8E%B7%E5%8F%96%E9%80%9A%E4%BF%A1%E4%BA%8B%E4%BB%B6%E8%AE%A1%E6%95%B0%E5%99%A8\" rel=\"noopener noreferrer nofollow\">\u200b<\/a><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8be5\u529f\u80fd\u7801\u4e3b\u8981\u7528\u4e8e\u83b7\u53d6\u4ece\u8bbe\u5907\u901a\u4fe1\u8ba1\u6570\u5668\u4e2d\u7684\u72b6\u6001\u5b57\u548c\u4e8b\u4ef6\u8ba1\u6570\u7684\u503c\uff0c\u4e0d\u652f\u6301\u5e7f\u64ad\u6a21\u5f0f\u3002<\/li>\n\n\n\n<li>\u53ef\u4ee5\u901a\u8fc7\u5728\u901a\u4fe1\u62a5\u6587\u4e4b\u524d\u548c\u4e4b\u540e\u8bfb\u53d6\u901a\u4fe1\u4e8b\u4ef6\u8ba1\u6570\u503c\uff0c\u6765\u786e\u5b9a\u4ece\u8bbe\u5907\u662f\u5426\u6b63\u5e38\u5904\u7406\u62a5\u6587\u3002<\/li>\n\n\n\n<li>\u5bf9\u4e8e\u6b63\u5e38\u5b8c\u6210\u62a5\u6587\u5904\u7406\u548c\u4f20\u8f93\u7684\u573a\u5408\uff0c\u4e8b\u4ef6\u8ba1\u6570\u5668\u589e\u52a0 1\uff1b\u800c\u5bf9\u4e8e\u5f02\u5e38\u54cd\u5e94\u3001\u8f6e\u8be2\u547d\u4ee4\u6216\u8bfb\u4e8b\u4ef6\u8ba1\u6570\u5668\uff08\u5373 0x0B \u529f\u80fd\u7801\uff09\u7684\u573a\u5408\uff0c\u5219\u8ba1\u6570\u5668\u4e0d\u53d8\u3002<\/li>\n\n\n\n<li>\u901a\u8fc7 0x08 \u8bca\u65ad\u529f\u80fd\u4e2d\u7684 0x01 \u5b50\u529f\u80fd\u548c 0x0A \u5b50\u529f\u80fd\uff0c\u53ef\u4ee5\u590d\u4f4d\u4e8b\u4ef6\u5bc4\u5b58\u5668\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"0x0c-\u83b7\u53d6\u901a\u4fe1\u4e8b\u4ef6\u8bb0\u5f55\">0x0C \u83b7\u53d6\u901a\u4fe1\u4e8b\u4ef6\u8bb0\u5f55<a href=\"https:\/\/getiot.tech\/zh\/modbus\/modbus-function-codes#0x0c-%E8%8E%B7%E5%8F%96%E9%80%9A%E4%BF%A1%E4%BA%8B%E4%BB%B6%E8%AE%B0%E5%BD%95\" rel=\"noopener noreferrer nofollow\">\u200b<\/a><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8be5\u529f\u80fd\u7801\u4e3b\u8981\u7528\u4e8e\u4ece\u4ece\u8bbe\u5907\u83b7\u53d6\u72b6\u6001\u5b57\u3001\u4e8b\u4ef6\u8ba1\u6570\u3001\u62a5\u6587\u8ba1\u6570\u4ee5\u53ca\u4e8b\u4ef6\u5b57\u8282\u5b57\u6bb5\u3002<\/li>\n\n\n\n<li>\u5176\u4e2d\u72b6\u6001\u5b57\u548c\u4e8b\u4ef6\u8ba1\u6570\u4e0e\u529f\u80fd\u7801 0x0B \u83b7\u53d6\u7684\u503c\u4e00\u81f4\u3002<\/li>\n\n\n\n<li>\u62a5\u6587\u8ba1\u6570\u5668\u5305\u542b\u4e86\u52a0\u7535\u91cd\u542f\u3001\u6e05\u9664\u8ba1\u6570\u5668\u4e4b\u540e\u7684\u62a5\u6587\u6570\u91cf\uff0c\u62a5\u6587\u8ba1\u6570\u4e0e\u901a\u8fc7 0x08 \u8bca\u65ad\u529f\u80fd\u4e2d\u7684 0x0B \u5b50\u529f\u80fd\u7801\u83b7\u53d6\u7684\u503c\u4e00\u81f4\u3002<\/li>\n\n\n\n<li>\u4e8b\u4ef6\u5b57\u8282\u5b57\u6bb5\u5305\u542b 0~64 \u4e2a\u5b57\u8282\uff0c\u5b9a\u4e49\u5404\u79cd\u4e8b\u4ef6\u3002<\/li>\n\n\n\n<li>\u6b63\u5e38\u60c5\u51b5\u4e0b\u54cd\u5e94\u62a5\u6587\u5305\u62ec\u4e00\u4e2a 2 Bytes \u72b6\u6001\u5b57\u5b57\u6bb5\u3001\u4e00\u4e2a 2 Bytes \u4e8b\u4ef6\u8ba1\u6570\u5b57\u6bb5\u3001\u4e00\u4e2a 2 Bytes \u6d88\u606f\u8ba1\u6570\u5b57\u6bb5\u4ee5\u53ca 0~64 \u4e2a\u5b57\u8282\u7684\u4e8b\u4ef6\u5b57\u6bb5\u3002<\/li>\n\n\n\n<li>\u7531\u4e8e\u4e8b\u4ef6\u5b57\u6bb5\u662f\u53d8\u957f\u7684\uff0c\u56e0\u6b64\u589e\u52a0\u4e86\u4e00\u4e2a 1 Byte \u7684\u6570\u636e\u957f\u5ea6\u5b57\u6bb5\uff0c\u4ee5\u65b9\u4fbf\u8bfb\u53d6\u54cd\u5e94\u6570\u636e\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"0x0f-\u5199\u591a\u4e2a\u7ebf\u5708\">0x0F \u5199\u591a\u4e2a\u7ebf\u5708<a href=\"https:\/\/getiot.tech\/zh\/modbus\/modbus-function-codes#0x0f-%E5%86%99%E5%A4%9A%E4%B8%AA%E7%BA%BF%E5%9C%88\" rel=\"noopener noreferrer nofollow\">\u200b<\/a><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8be5\u529f\u80fd\u7801\u7528\u4e8e\u5c06\u8fde\u7eed\u7684\u591a\u4e2a\u7ebf\u5708\uff08\u6216\u79bb\u6563\u8f93\u51fa\uff09\u8bbe\u7f6e\u4e3a ON \u6216 OFF\uff0c\u652f\u6301\u5e7f\u64ad\u6a21\u5f0f\u3002<\/li>\n\n\n\n<li>\u5728\u5e7f\u64ad\u6a21\u5f0f\u4e0b\uff0c\u6240\u6709\u4ece\u7ad9\u8bbe\u5907\u7684\u540c\u4e00\u5730\u5740\u7684\u503c\u5c06\u88ab\u7edf\u4e00\u4fee\u6539\u3002<\/li>\n\n\n\n<li>\u6d88\u606f\u5e27\u4e2d\u6307\u5b9a\u4e86\u9700\u8981\u53d8\u66f4\u7684\u7ebf\u5708\u8d77\u59cb\u5730\u5740\u548c\u7ebf\u5708\u6570\u76ee\u3002<\/li>\n\n\n\n<li>\u8d77\u59cb\u5730\u5740\u7531 2 \u4e2a\u5b57\u8282\u6784\u6210\uff0c\u53d6\u503c\u8303\u56f4\u4e3a 0x0000 \u5230 0xFFFF\u3002<\/li>\n\n\n\n<li>\u5bc4\u5b58\u5668\u6570\u91cf\u5b57\u6bb5\u7531 2 \u4e2a\u5b57\u8282\u6784\u6210\uff0c\u53d6\u503c\u8303\u56f4\u4e3a 0x0001 \u5230 0x07B0\u3002<\/li>\n\n\n\n<li>\u6570\u636e\u5b57\u6bb5\u4e2d\u4e3a\u903b\u8f91 1 \u7684\u4f4d\u5bf9\u5e94 ON\uff0c\u903b\u8f91 0 \u7684\u4f4d\u5bf9\u5e94 OFF\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"0x10-\u5199\u591a\u4e2a\u4fdd\u6301\u5bc4\u5b58\u5668\">0x10 \u5199\u591a\u4e2a\u4fdd\u6301\u5bc4\u5b58\u5668<a href=\"https:\/\/getiot.tech\/zh\/modbus\/modbus-function-codes#0x10-%E5%86%99%E5%A4%9A%E4%B8%AA%E4%BF%9D%E6%8C%81%E5%AF%84%E5%AD%98%E5%99%A8\" rel=\"noopener noreferrer nofollow\">\u200b<\/a><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8be5\u529f\u80fd\u7801\u7528\u4e8e\u8bbe\u7f6e\u6216\u5199\u5165\u4ece\u8bbe\u5907\u4fdd\u6301\u5bc4\u5b58\u5668\u7684\u591a\u4e2a\u8fde\u7eed\u7684\u5730\u5740\u5757\uff081~123\u4e2a\u5bc4\u5b58\u5668\uff09\uff0c\u652f\u6301\u5e7f\u64ad\u6a21\u5f0f\u3002<\/li>\n\n\n\n<li>\u5728\u5e7f\u64ad\u6a21\u5f0f\u4e0b\uff0c\u6240\u6709\u4ece\u7ad9\u8bbe\u5907\u7684\u540c\u4e00\u5730\u5740\u7684\u503c\u5c06\u88ab\u7edf\u4e00\u4fee\u6539\u3002<\/li>\n\n\n\n<li>\u6d88\u606f\u5e27\u4e2d\u9700\u8981\u6307\u5b9a\u4ece\u8bbe\u5907\u5730\u5740\u4ee5\u53ca\u9700\u8981\u53d8\u66f4\u7684\u4fdd\u6301\u5bc4\u5b58\u5668\u5730\u5740\u548c\u6570\u91cf\u3002<\/li>\n\n\n\n<li>\u8d77\u59cb\u5730\u5740\u7531 2 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class=\"wp-block-list\">\n<li>\u8be5\u529f\u80fd\u7801\u4ec5\u9002\u7528\u4e8e\u4e32\u884c\u94fe\u8def\uff0c\u7528\u4e8e\u8bfb\u53d6\u4ece\u7ad9\u8bbe\u5907\u7684 ID\u3001\u7c7b\u578b\u63cf\u8ff0\u3001\u5f53\u524d\u72b6\u6001\u4ee5\u53ca\u5176\u4ed6\u4fe1\u606f\uff0c\u4e0d\u652f\u6301\u5e7f\u64ad\u6a21\u5f0f\u3002<\/li>\n\n\n\n<li>\u67e5\u8be2\u62a5\u6587\u4e2d\u6ca1\u6709\u6570\u636e\u5b57\u6bb5\u3002<\/li>\n\n\n\n<li>\u54cd\u5e94\u6d88\u606f\u7684\u6784\u6210\u7531\u4ece\u7ad9\u8bbe\u5907\u51b3\u5b9a\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u603b\u7ed3\">\u603b\u7ed3<a href=\"https:\/\/getiot.tech\/zh\/modbus\/modbus-function-codes#%E6%80%BB%E7%BB%93\" rel=\"noopener noreferrer nofollow\">\u200b<\/a><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e38\u7528 Modbus \u516c\u5171\u529f\u80fd\u7801\u4e0b\u8868\u6240\u793a\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/04\/20240429003632267.png\" ><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u4e2d\uff0c\u652f\u6301\u5e7f\u64ad\u6a21\u5f0f\u7684\u529f\u80fd\u7801\u6709\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>0x05 \u5199\u5355\u4e2a\u7ebf\u5708<\/li>\n\n\n\n<li>0x06 \u5199\u5355\u4e2a\u4fdd\u6301\u5bc4\u5b58\u5668<\/li>\n\n\n\n<li>0x0F \u5199\u591a\u4e2a\u7ebf\u5708<\/li>\n\n\n\n<li>0x10 \u5199\u591a\u4e2a\u4fdd\u6301\u5bc4\u5b58\u5668<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u9664\u4e86\u5e7f\u64ad\u6a21\u5f0f\u7684\u62a5\u6587\u4ee5\u5916\uff0c\u5176\u4ed6\u6240\u6709\u67e5\u8be2\u62a5\u6587\u90fd\u5e0c\u671b\u80fd\u591f\u83b7\u53d6\u4e00\u4e2a\u6b63\u5e38\u7684\u54cd\u5e94\u62a5\u6587\u3002\u5982\u679c\u4e00\u5207\u6b63\u5e38\uff0c\u5219\u4ece\u7ad9\u8bbe\u5907\u5c06\u8fd4\u56de\u4e00\u4e2a\u6b63\u5e38\u54cd\u5e94\u62a5\u6587\uff0c\u8be5\u54cd\u5e94\u62a5\u6587\u7684\u529f\u80fd\u7801\u4e0e\u8bf7\u6c42\u62a5\u6587\u7684\u529f\u80fd\u7801\u4e00\u81f4\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53e6\u5916\uff0c\u5bf9\u4e8e\u5b57\u64cd\u4f5c\u7684\u529f\u80fd\u7801\uff0c\u5b58\u5728\u591a\u5b57\u8282\u5b58\u50a8\u7684\u5927\u5c0f\u7aef\u95ee\u9898\uff0c\u56e0\u6b64\u4e3b\u7ad9\u8bbe\u5907\u548c\u4ece\u7ad9\u8bbe\u5907\u5fc5\u987b\u4fdd\u6301\u4e00\u81f4\u7684\u89c4\u5219\u5904\u7406\uff0c\u7ea6\u5b9a Modbus \u4f20\u8f93\u4e2d\u7684\u6570\u636e\u5b57\u6bb5\u7684\u5b57\u8282\u5e8f\u3002<\/p>\n<span id=\"magicpostMarker\"><\/span>","protected":false},"excerpt":{"rendered":"<p>Modbus \u529f\u80fd\u7801\u662f Modbus 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