{"id":456,"date":"2024-06-06T10:23:40","date_gmt":"2024-06-06T02:23:40","guid":{"rendered":"https:\/\/niuguodong.com\/?p=456"},"modified":"2025-12-09T11:38:58","modified_gmt":"2025-12-09T03:38:58","slug":"modbus","status":"publish","type":"post","link":"https:\/\/niuguodong.com\/index.php\/2024\/06\/06\/modbus\/","title":{"rendered":"Modbus\u8be6\u89e3"},"content":{"rendered":"\n<p><em>\u6458\u81ea \uff1a<a href=\"https:\/\/www.modbus.cn\/6714.html\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.modbus.cn\/6714.html<\/a><\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7b80\u4ecb<\/h2>\n\n\n\n<p>Modbus\u662f\u4e00\u79cd\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u662fModicon\u516c\u53f8(\u73b0\u5728\u7684\u65bd\u8010\u5fb7\u7535\u6c14)\u4e8e1979\u5e74\u4e3a\u4f7f\u7528\u53ef\u7f16\u7a0b\u903b\u8f91\u63a7\u5236\u5668(PLC)\u901a\u4fe1\u800c\u53d1\u8868\u7684\uff0c\u73b0\u5728\u7684Modbus\u52a8\u8bae\u5df2\u7ecf\u6210\u4e3a\u5de5\u4e1a\u9886\u57df\u901a\u4fe1\u534f\u8bae\u7684\u4e1a\u754c\u6807\u51c6\uff0c\u5e76\u4e14\u662f\u5de5\u4e1a\u7535\u5b50\u8bbe\u5907\u4e4b\u95f4\u5e38\u7528\u7684\u8fde\u63a5\u65b9\u5f0f<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7279\u70b9<\/h2>\n\n\n\n<p>Modbus\u534f\u8bae\u80fd\u591f\u6210\u4e3a\u5de5\u4e1a\u9886\u57df\u5e94\u7528\u6700\u5e7f\u6cdb\u7684\u534f\u8bae\uff0c\u5b83\u5fc5\u987b\u5177\u5907\u4ee5\u4e0b\u51e0\u4e2a\u7279\u70b9:<\/p>\n\n\n\n<p>1\u3001\u514d\u8d39:\u8fd9\u4e2a\u662f\u6700\u5927\u7684\u524d\u63d0\uff0c\u4efb\u4f55\u4ea7\u54c1\u90fd\u662f\u4e00\u6837\uff0c\u53ea\u6709\u901a\u8fc7\u514d\u8d39\u624d\u80fd\u83b7\u53d6\u5230\u524d\u671f\u6700\u5927\u7684\u4f7f\u7528\u91cf\u3002<\/p>\n\n\n\n<p>2\u3001\u7b80\u5355:Modbus\u534f\u8bae\u5e27\u683c\u5f0f\u7b80\u5355\u7d27\u51d1\uff0c\u7528\u6237\u5bb9\u6613\u7406\u89e3\uff0c\u5382\u5546\u5bb9\u6613\u96c6\u6210\u3002<\/p>\n\n\n\n<p>3\u3001\u63a5\u53e3:Modbus\u534f\u8bae\u53ea\u662f\u4e00\u79cd\u89c4\u7ea6\uff0c\u5c5e\u4e8e\u5e94\u7528\u5c42\u7684\u534f\u8bae\uff0c\u56e0\u6b64\u4e0d\u4ec5\u53ef\u4ee5\u5e94\u7528\u5728\u4e32\u53e3(485\/232\/422)\uff0c\u4e5f\u53ef\u4ee5\u5728\u4ee5\u592a\u7f51\u3001\u5149\u7ea4\u3001\u84dd\u7259\u3001\u65e0\u7ebf\u4e0a\u4f20\u8f93\u3002<\/p>\n\n\n\n<p>4\u3001Modbus\u652f\u6301\u4e00\u4e3b\u591a\u4ece\uff0c\u4ece\u673a\u6700\u591a247\u4e2a<\/p>\n\n\n\n<p>5\u3001\u8bf7\u6c42\/\u5e94\u7b54\u7684\u4ea4\u4e92\u8fc7\u7a0b\uff0c\u7531\u4e3b\u673a\u53d1\u8d77\u8bf7\u6c42\uff0c\u4ece\u673a\u54cd\u5e94\u8bf7\u6c42\uff0c\u4ece\u673a\u4e0d\u4f1a\u4e3b\u52a8\u53d1\u9001\u6570\u636e\u5230\u4e3b\u673a\uff0c\u4ece\u673a\u4e4b\u95f4\u4e0d\u8fdb\u884c\u901a\u4fe1<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Modbus\u7f51\u7edc\u6a21\u578b<\/h2>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/niuguodong.com\/wp-content\/uploads\/2025\/12\/113nfcf26d46f3dc9e91f6c5deb246db3fa5.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"974\" height=\"667\" data-original=\"https:\/\/niuguodong.com\/wp-content\/uploads\/2025\/12\/113nfcf26d46f3dc9e91f6c5deb246db3fa5.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-468\"  sizes=\"auto, (max-width: 974px) 100vw, 974px\" \/><\/div><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/niuguodong.com\/wp-content\/uploads\/2025\/12\/113nfa56756101b0e7a12247b1e2028a1398.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"917\" height=\"470\" data-original=\"https:\/\/niuguodong.com\/wp-content\/uploads\/2025\/12\/113nfa56756101b0e7a12247b1e2028a1398.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-466\"  sizes=\"auto, (max-width: 917px) 100vw, 917px\" \/><\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Modbus\u8be6\u89e3<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>ModbusRTU<\/li>\n\n\n\n<li>ModbusAscii<\/li>\n\n\n\n<li>ModbusTcp<\/li>\n<\/ol>\n\n\n\n<p>\u4e00\u822c\u6765\u8bf4\uff0cModbusRtu\u548cModbusAsci\u662f\u8fd0\u884c\u5728\u4e32\u53e3\u4e0a\u7684\u534f\u8bae\uff0cModbusTcp\u662f\u8fd0\u884c\u662f\u4ee5\u592a\u7f51\u4e0a\u7684\u534f\u8bae\uff0c\u4f46\u662f\u8fd9\u5e76\u975e\u7edd\u5bf9\u7684\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u5c06ModbusRtu\u3001ModbusAsci\u8fd0\u884c\u5728\u4ee5\u592a\u7f51\u6216\u5149\u7ea4\u4e0a\u4f7f\u7528\uff0c\u540c\u6837\u7684\uff0c\u5728\u4e32\u53e3\u7f51\u7edc\u91cc\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u4f7f\u7528ModbusTcp\u7684\u534f\u8bae\uff0c\u56e0\u4e3a\u534f\u8bae\u53ea\u662f\u4e00\u79cd\u89c4\u8303\uff0c\u5e76 \u4e0d\u9650\u5236\u901a\u4fe1\u4ecb\u8d28\u3002<\/p>\n\n\n\n<p>\u65e0\u8bba\u4f7f\u7528\u54ea\u79cd\u65b9\u5f0f\uff0c\u4e00\u6761Modbus\u603b\u7ebf\u4e0a\u7684\u6240\u6709\u8bbe\u5907\u7684\u901a\u4fe1\u6a21\u5f0f\u5fc5\u987b\u76f8\u540c<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5e27\u683c\u5f0f<\/h3>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/niuguodong.com\/wp-content\/uploads\/2025\/12\/113nb4cd4b508bf7ff4938ecd4e1e7f83150.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"995\" height=\"205\" data-original=\"https:\/\/niuguodong.com\/wp-content\/uploads\/2025\/12\/113nb4cd4b508bf7ff4938ecd4e1e7f83150.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-457\"  sizes=\"auto, (max-width: 995px) 100vw, 995px\" \/><\/div><\/figure>\n\n\n\n<p>\u65e0\u8bba\u662f3\u79cd\u901a\u4fe1\u6a21\u5f0f\u4e2d\u7684\u54ea\u4e00\u79cd\uff0cModbus\u7684\u5e27\u683c\u5f0f\u90fd\u662f\u4e00\u6837\u7684\uff0c\u4ec5\u6709\u7565\u5fae\u5dee\u522b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u529f\u80fd\u7801<\/h3>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/niuguodong.com\/wp-content\/uploads\/2025\/12\/113n65f93c81303d40c5e62dfe32e404ba41.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"540\" height=\"671\" data-original=\"https:\/\/niuguodong.com\/wp-content\/uploads\/2025\/12\/113n65f93c81303d40c5e62dfe32e404ba41.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-461\"  sizes=\"auto, (max-width: 540px) 100vw, 540px\" \/><\/div><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/niuguodong.com\/wp-content\/uploads\/2025\/12\/113n9fa82f569ac3c92b0a2faf2c7baa3259.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"942\" height=\"741\" data-original=\"https:\/\/niuguodong.com\/wp-content\/uploads\/2025\/12\/113n9fa82f569ac3c92b0a2faf2c7baa3259.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-467\"  sizes=\"auto, (max-width: 942px) 100vw, 942px\" \/><\/div><\/figure>\n\n\n\n<p>\u6700\u5e38\u7528\u7684\u529f\u80fd\u7801<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>0x03\uff1a\u8bfb\u4fdd\u6301\u5bc4\u5b58\u5668\uff08\u5355\u4e2a\u6216\u591a\u4e2a\uff0c\u6307\u5b9a\u6570\u91cf\uff09<\/li>\n\n\n\n<li>0x04\uff1a\u8bfb\u8f93\u5165\u5bc4\u5b58\u5668<\/li>\n\n\n\n<li>0x06\uff1a\u5199\u5355\u4e2a\u4fdd\u6301\u5bc4\u5b58\u5668\uff08\u53ea\u80fd\u5199\u5355\u4e2a\uff09<\/li>\n\n\n\n<li>0x10\uff1a\u5199\u591a\u4e2a\u4fdd\u6301\u5bc4\u5b58\u5668<\/li>\n\n\n\n<li><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e09\u79cd\u901a\u4fe1\u6a21\u5f0f<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">ModbusRTU<\/h4>\n\n\n\n<p>\u4ece\u7ad9\u5730\u5740\uff081B)+\u529f\u80fd\u7801\uff081B)+\u6570\u636e\uff08NB)+\u6821\u9a8c\uff082B)<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/niuguodong.com\/wp-content\/uploads\/2025\/12\/113naa645754d26b5f769969f921b54dc5f1.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"657\" height=\"182\" data-original=\"https:\/\/niuguodong.com\/wp-content\/uploads\/2025\/12\/113naa645754d26b5f769969f921b54dc5f1.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-458\"  sizes=\"auto, (max-width: 657px) 100vw, 657px\" \/><\/div><\/figure>\n\n\n\n<p>ModbusRTU\u5e27\u957f\u5ea6\u6700\u5927256B<\/p>\n\n\n\n<p>\u4ece\u7ad9\u5730\u5740\u8303\u56f4\uff1a0-247<\/p>\n\n\n\n<p>\u6570\u636e\u6bb5\u5bb9\u91cf\uff1a0-252B<\/p>\n\n\n\n<p>CRC\u6821\u9a8c\uff1a\u91c7\u7528CRC-16_Modbus\u7b97\u6cd5\uff0cCRC\u7ed3\u679c\u503c\u4f4e8\u4f4d\u5728\u524d\uff0c\u6821\u9a8c\u8303\u56f4\uff1a\u524d\u9762\u5168\u90e8\u6570\u636e<\/p>\n\n\n\n<p><strong>ModbusRTU\u5e27\u95f4\u9694<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/niuguodong.com\/wp-content\/uploads\/2025\/12\/113n0e0465743f6afe35b9789899c4448991.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"922\" height=\"451\" data-original=\"https:\/\/niuguodong.com\/wp-content\/uploads\/2025\/12\/113n0e0465743f6afe35b9789899c4448991.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-462\"  sizes=\"auto, (max-width: 922px) 100vw, 922px\" \/><\/div><\/figure>\n\n\n\n<p>\u4e24\u4e2aModbus-RTU\u4e4b\u95f4\u7684\u5e27\u95f4\u9694\u5fc5\u987b\u5927\u4e8e3.5\u4e2a\u5b57\u8282\u65f6\u95f4<\/p>\n\n\n\n<p>\u6bcf\u4e2a\u62a5\u6587\u5e27\u5185\u5b57\u8282\u95f4\u9694\u5c0f\u4e8e1.5\u4e2a\u5b57\u8282\u65f6\u95f4\uff0c\u5426\u5219\u4f1a\u8ba4\u4e3a\u63a5\u6536\u4e0d\u5b8c\u6574<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/niuguodong.com\/wp-content\/uploads\/2025\/12\/113ne61713637aa0f5c70e02ceb26a055fdf.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"972\" height=\"270\" data-original=\"https:\/\/niuguodong.com\/wp-content\/uploads\/2025\/12\/113ne61713637aa0f5c70e02ceb26a055fdf.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-459\"  sizes=\"auto, (max-width: 972px) 100vw, 972px\" \/><\/div><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">ModbusAscii<\/h4>\n\n\n\n<p>\u5f00\u59cb\u5b57\u7b26\uff08 : )+\u4ece\u7ad9\u5730\u5740\uff082B\uff09+\u529f\u80fd\u7801\uff082B\uff09+\u6570\u636e\uff08NB\uff09+\u6821\u9a8c\uff082B\uff09+\u7ed3\u675f\u5b57\u7b26\uff08CR LF\uff09<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/niuguodong.com\/wp-content\/uploads\/2025\/12\/113ned79d3a63c0e94e180e06f6b2519b155.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"979\" height=\"149\" data-original=\"https:\/\/niuguodong.com\/wp-content\/uploads\/2025\/12\/113ned79d3a63c0e94e180e06f6b2519b155.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-460\"  sizes=\"auto, (max-width: 979px) 100vw, 979px\" \/><\/div><\/figure>\n\n\n\n<p>\u5f00\u59cb\u5b57\u7b26\uff1a\uff08 : \uff09<\/p>\n\n\n\n<p>\u6570\u636e\u5bb9\u91cf\uff1a0-252\u5b57\u7b26\uff080-504B\uff09<\/p>\n\n\n\n<p>LRC\uff08\u7eb5\u5411\u5197\u4f59\u6821\u9a8c\uff09\uff1a\u6821\u9a8c\u8303\u56f4\uff1a\u4ece\u5730\u5740\u6bb5-\u6570\u636e\u6bb5<\/p>\n\n\n\n<p>\u7ed3\u675f\u5b57\u7b26\uff1aCR, LF<\/p>\n\n\n\n<p>\u7531\u4e8eModbusAscii\u6a21\u5f0f\u4e0b\uff0c\u4e00\u4e2a\u5b57\u8282\u9700\u89812\u4e2a\u5b57\u7b26\u8fdb\u884c\u7f16\u7801\uff0c\u4e3a\u4e86\u4fdd\u8bc1\u4e0eRTU\u6a21\u5f0f\u5728\u5e94\u7528\u7ea7\u517c\u5bb9\uff0cASCII\u6a21\u5f0f\u6700\u5927\u6570\u636e\u957f\u5ea6\u4e3a252*2\uff0c\u62a5\u6587\u5e27\u5185\u7684\u5b57\u7b26\u95f4\u9694\u65f6\u95f4\u53ef\u8fbe1\u79d2<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">ModbusTcp<\/h4>\n\n\n\n<p>\u4e8b\u52a1\u5904\u7406\u6807\u8bc6\u7b26\uff082B\uff09+\u534f\u8bae\u6807\u8bc6\u7b26\uff082B\uff09+\u957f\u5ea6\uff082B\uff09+\u5355\u5143\u6807\u8bc6\u7b26\uff081B\uff09+\u529f\u80fd\u7801\uff081B\uff09+\u6570\u636e\uff08NB\uff09<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/niuguodong.com\/wp-content\/uploads\/2025\/12\/113n705c3e894c30163a2d56312d416f16b1.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"969\" height=\"292\" data-original=\"https:\/\/niuguodong.com\/wp-content\/uploads\/2025\/12\/113n705c3e894c30163a2d56312d416f16b1.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-464\"  sizes=\"auto, (max-width: 969px) 100vw, 969px\" \/><\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e24\u79cd\u8bf7\u6c42\u6a21\u5f0f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u5355\u64ad<\/h3>\n\n\n\n<p>\u4e3b\u673a\u4ee5\u7279\u5b9a\u5730\u5740\u8bbf\u95ee\u67d0\u4e2a\u4ece\u673a\uff0c\u5730\u5740\u8303\u56f41-247\uff0c\u4ece\u673a\u4e00\u822c\u4f1a\u505a\u51fa\u54cd\u5e94<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5e7f\u64ad<\/h3>\n\n\n\n<p>\u4e3b\u673a\u4f7f\u75280\u5730\u5740\u5411\u603b\u7ebf\u4e0a\u6240\u6709\u4ece\u673a\u53d1\u51fa\u8bf7\u6c42\uff0c\u6240\u6709\u4ece\u673a\u90fd\u4f1a\u5904\u7406\u8be5\u8bf7\u6c42\uff0c\u4f46\u901a\u5e38\u4ece\u673a\u4e0d\u4f1a\u505a\u51fa\u54cd\u5e94<\/p>\n\n\n\n<p>\u4e0d\u540c\u7684\u8bbe\u5907\uff0c\u5176\u5e7f\u64ad\u5730\u5740\u4e0d\u4e00\u5b9a\u662f0\uff0c\u4e5f\u53ef\u80fd\u662f\u5176\u4ed6\u5730\u5740\u503c\uff0c\u9700\u8981\u53c2\u7167\u5176\u5177\u4f53\u624b\u518c<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Modbus\u5730\u5740<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u8282\u70b9\u5730\u5740\u89c4\u5219<\/h3>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/niuguodong.com\/wp-content\/uploads\/2025\/12\/113n9913559a2f7157bc0fc9c4812a5d3bdb.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"965\" height=\"203\" data-original=\"https:\/\/niuguodong.com\/wp-content\/uploads\/2025\/12\/113n9913559a2f7157bc0fc9c4812a5d3bdb.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-463\"  sizes=\"auto, (max-width: 965px) 100vw, 965px\" \/><\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u5b58\u50a8\u533a\u5730\u5740\u89c4\u5219<\/h3>\n\n\n\n<p>Modbus\u6807\u51c6\u5730\u5740\u6a21\u578b<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/niuguodong.com\/wp-content\/uploads\/2025\/12\/113nc61e8c66a9dbf0b81d94cbcc5a05bac9.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"579\" height=\"209\" data-original=\"https:\/\/niuguodong.com\/wp-content\/uploads\/2025\/12\/113nc61e8c66a9dbf0b81d94cbcc5a05bac9.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-465\"  sizes=\"auto, (max-width: 579px) 100vw, 579px\" \/><\/div><\/figure>\n\n\n\n<p>\u77ed\u5730\u5740\u6a21\u578b<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/niuguodong.com\/wp-content\/uploads\/2025\/12\/113n2753792d2623ffc114c0d2280ef1032f.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"574\" height=\"213\" data-original=\"https:\/\/niuguodong.com\/wp-content\/uploads\/2025\/12\/113n2753792d2623ffc114c0d2280ef1032f.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-469\"  sizes=\"auto, (max-width: 574px) 100vw, 574px\" \/><\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Modbus\u6269\u5c55\u7248\u672c<\/h2>\n\n\n\n<p>Modbus \u662f\u4f7f\u7528\u5f02\u6b65\u4f20\u8f93\u7684\u65b9\u5f0f\uff0c\u901f\u5ea6\u8f83\u6162\uff0c\u5e94\u7528\u4e0a\u6709\u5176\u9650\u5236\uff0c\u5c24\u5176\u5f53\u4e24\u53f0 PLC\u8981\u4e92\u76f8\u4ea4\u6362\u8d44\u6599\uff0c\u5176\u4f20\u8f93\u8d44\u6599\u91cf\u5927\uff0c\u5f02\u6b65\u65b9\u5f0f\u5df2\u7ecf\u65e0\u6cd5\u6ee1\u8db3\u6574\u4f53\u7cfb\u7edf\u53cd\u5e94\u65f6\u95f4\u7684\u8981\u6c42\u3002\u6240\u4ee5\u5c31\u6709 Modbus pPlus \u51fa\u73b0\uff0c\u4f7f\u7528\u540c\u6b65\u4f20\u8f93\u7684\u6280\u672f\uff0c\u8d44\u6599\u683c\u5f0f\u4e0e Modbus \u4e00\u6837\uff0c\u6b64\u534f\u8bae\u662fModicon\u4e13\u6709\u7684\uff0c\u548cModbus\u4e0d\u540c,\u5b83\u9700\u8981\u4e00\u4e2a\u4e13\u95e8\u7684\u534f\u5904\u7406\u5668\u6765\u5904\u7406\u7c7b\u4f3cHDLC\u7684\u9ad8\u901f\u4ee4\u724c\u65cb\u8f6c\u3002\u5b83\u4f7f\u75281Mbit\/s\u7684\u53cc\u7eb9\u7ebf\uff0c\u5e76\u4e14\u6bcf\u4e2a\u8282\u70b9\u90fd\u6709\u8f6c\u6362\u9694\u79bb\u8bbe\u5907\uff0c\u662f\u4e00\u79cd\u91c7\u7528\u8fb9\u6cbf\u89e6\u53d1\u800c\u4e0d\u662f\u7535\u5e73\u89e6\u53d1\u7684\u8bbe\u5907\u3002\u8fde\u63a5Modbus Plus\u5230\u8ba1\u7b97\u673a\u9700\u8981\u7279\u522b\u7684\u63a5\u53e3\uff0c\u901a\u5e38\u662f\u652f\u6301ISA(SA85)\uff0cPCI\u6216\u8005PCMCIA\u603b\u7ebf\u7684\u677f\u5361\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u8c03\u8bd5\u8f6f\u4ef6<\/h2>\n\n\n\n<p>ModbusPoll\u3001ModbusSlave\u3001VSPD<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">ModbusPoll<\/h3>\n\n\n\n<p>\u4eff\u771fModbus\u4e3b\u7ad9\u6216Modbus\u5ba2\u6237\u7aef<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">ModbusSlave<\/h3>\n\n\n\n<p>\u4eff\u771fModbus\u4ece\u7ad9\u6216Modbus\u670d\u52a1\u5668<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">VSPD<\/h3>\n\n\n\n<p>\u5168\u79f0\uff1aConfigure Virtual Serial Port Driver<\/p>\n\n\n\n<p>\u7528\u6765\u7ed9\u7535\u8111\u521b\u5efa\u865a\u62df\u4e32\u53e3<\/p>\n\n\n\n<p>Modbus\u8be6\u89e3<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Modscan32<\/h3>\n\n\n\n<p>ModbusRTU\u6d4b\u8bd5\u8f6f\u4ef6<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ModBus RTU\u901a\u8baf\u534f\u8bae\u5e38\u89c1\u95ee\u9898\u6c47\u603b<\/h2>\n\n\n\n<p><a href=\"https:\/\/www.modbus.cn\/6709.html\">https:\/\/www.modbus.cn\/6709.html<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Modbus RTU\u534f\u8bae\u548cModbus TCP\/IP\u534f\u8bae\u6709\u4ec0\u4e48\u533a\u522b<\/h2>\n\n\n\n<p><a href=\"https:\/\/www.modbus.cn\/6709.html\">https:\/\/www.modbus.cn\/6709.html<\/a><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6458\u81ea \uff1ahttps:\/\/www.modbus.cn\/6714.html \u7b80\u4ecb Modbus\u662f\u4e00\u79cd\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[9,5,11],"tags":[],"class_list":["post-456","post","type-post","status-publish","format-standard","hentry","category-modbus","category-5","category-11"],"_links":{"self":[{"href":"https:\/\/niuguodong.com\/index.php\/wp-json\/wp\/v2\/posts\/456","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/niuguodong.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/niuguodong.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/niuguodong.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/niuguodong.com\/index.php\/wp-json\/wp\/v2\/comments?post=456"}],"version-history":[{"count":0,"href":"https:\/\/niuguodong.com\/index.php\/wp-json\/wp\/v2\/posts\/456\/revisions"}],"wp:attachment":[{"href":"https:\/\/niuguodong.com\/index.php\/wp-json\/wp\/v2\/media?parent=456"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/niuguodong.com\/index.php\/wp-json\/wp\/v2\/categories?post=456"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/niuguodong.com\/index.php\/wp-json\/wp\/v2\/tags?post=456"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}