{"id":6514,"date":"2022-03-07T15:25:14","date_gmt":"2022-03-07T07:25:14","guid":{"rendered":"https:\/\/www.modbus.cn\/?p=6514"},"modified":"2026-07-01T09:12:16","modified_gmt":"2026-07-01T01:12:16","slug":"modbus-wang-guan-he-chuan-kou-fu-wu-qi-ru-he-xuan-ze-ta-men-you-shen-me-qu-bie","status":"publish","type":"post","link":"https:\/\/www.modbus.cn\/en\/6514.html","title":{"rendered":"Modbus\u7f51\u5173\u548c\u4e32\u53e3\u670d\u52a1\u5668\u5982\u4f55\u9009\u62e9\uff0c\u5b83\u4eec\u6709\u4ec0\u4e48\u533a\u522b\uff1f"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\u6765\u6e90\uff1aModbus\u4e2d\u6587\u7f51\uff08modbus.cn\uff09 \u2014\u2014 \u56fd\u5185\u9886\u5148\u7684Modbus\u901a\u4fe1\u534f\u8bae\u6280\u672f\u793e\u533a<\/p>\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6587\uff1aModbus \u7f51\u5173\u4e0e\u4e32\u53e3\u670d\u52a1\u5668\u7684\u533a\u522b\u4e0e\u9009\u578b \u00b7 \u4f5c\u8005\uff1amodbus\u6280\u672f\u56e2\u961f \u00b7 \u53d1\u5e03\u4e8e 2026-07-01<\/p>\n\n\n<p class=\"wp-block-paragraph\">\u6458\u8981\uff1a\u4e32\u53e3\u670d\u52a1\u5668\u3001Modbus \u7f51\u5173\u548c\u8fb9\u7f18\u8ba1\u7b97\u7f51\u5173\u5e38\u88ab\u6df7\u4e3a\u4e00\u8c08\uff0c\u4f46\u5b9e\u9645\u4e0a\u5b83\u4eec\u5728\u534f\u8bae\u5904\u7406\u6df1\u5ea6\u3001\u6570\u636e\u91c7\u96c6\u6a21\u5f0f\u548c\u5de5\u7a0b\u5b9a\u4f4d\u4e0a\u6709\u672c\u8d28\u533a\u522b\u3002\u672c\u6587\u4ece\u8bbe\u5907\u672c\u8d28\u3001\u534f\u8bae\u5c42\u7ea7\u3001\u8fde\u63a5\u7ba1\u7406\u548c\u6570\u636e\u6d41\u7a0b\u56db\u4e2a\u7ef4\u5ea6\u62c6\u89e3\u4e09\u8005\u7684\u5dee\u5f02\uff0c\u7ed9\u51fa\u9009\u578b\u51b3\u7b56\u6846\u67b6\u548c\u4e09\u4e2a\u5178\u578b\u573a\u666f\u7684\u914d\u7f6e\u65b9\u6848\u3002\u5173\u952e\u8bcd\uff1a\u4e32\u53e3\u670d\u52a1\u5668\u3001Modbus \u7f51\u5173\u3001\u8fb9\u7f18\u8ba1\u7b97\u7f51\u5173\u3001\u534f\u8bae\u8f6c\u6362\u3001RS-485 \u8f6c\u4ee5\u592a\u7f51\u3001\u7269\u8054\u7f51\u7f51\u5173\u3002<\/p>\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n<p class=\"wp-block-paragraph\">\u6709\u4e2a\u633a\u5178\u578b\u7684\u5bf9\u8bdd\uff1a<\/p>\n\n\n<p class=\"wp-block-paragraph\">\u300c\u8001\u677f\uff0c\u73b0\u573a 8 \u53f0 Modbus RTU \u4eea\u8868\u8981\u63a5\u4e91\u7aef\uff0c\u4e70\u4e86\u53f0\u4e32\u53e3\u670d\u52a1\u5668\u591f\u7528\u5417\uff1f\u300d<\/p>\n\n\n<p class=\"wp-block-paragraph\">\u300c\u591f\u3002\u900f\u4f20\u5c31\u884c\uff0c\u670d\u52a1\u5668\u90a3\u8fb9\u89e3\u6790\u534f\u8bae\u3002\u300d<\/p>\n\n\n<p class=\"wp-block-paragraph\">\u4e09\u4e2a\u6708\u540e\uff0c\u670d\u52a1\u5668\u56e0\u4e3a\u6bcf 500ms \u8f6e\u8be2 8 \u53f0\u4eea\u8868\uff0cCPU \u8dd1\u5230 90%\u3002\u518d\u540e\u6765\u589e\u52a0 2 \u53f0\u8bbe\u5907\uff0c\u6570\u636e\u76f4\u63a5\u5f00\u59cb\u4e22\u4e86\u3002\u4e00\u67e5\u2014\u2014\u4e32\u53e3\u670d\u52a1\u5668\u7684 TCP \u8fde\u63a5\u88ab\u9ad8\u9891\u5c0f\u5305\u6253\u5f97\u5598\u4e0d\u8fc7\u6c14\u3002<\/p>\n\n\n<p class=\"wp-block-paragraph\">\u6362\u4e86\u53f0 Modbus \u7f51\u5173\uff0c\u628a\u8f6e\u8be2\u903b\u8f91\u4e0b\u6c89\u5230\u7f51\u5173\u4fa7\u672c\u5730\u6267\u884c\uff0c\u670d\u52a1\u5668\u53ea\u5b9a\u65f6\u62c9\u53d6\u7f13\u5b58\u6570\u636e\u3002CPU \u4ece 90% \u964d\u5230 15%\uff0c\u901a\u4fe1\u4e22\u5305\u6d88\u5931\u3002<\/p>\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e2a\u6545\u4e8b\u91cc\u4e32\u53e3\u670d\u52a1\u5668\u6ca1\u505a\u9519\u4ec0\u4e48\u2014\u2014\u5b83\u8ba4\u771f\u900f\u4f20\u4e86\u6bcf\u4e00\u4e2a\u5b57\u8282\u3002\u95ee\u9898\u662f\u5b83\u4e0d\u7406\u89e3\u81ea\u5df1\u5728\u4f20\u4ec0\u4e48\u3002Modbus \u7f51\u5173\u7406\u89e3\u534f\u8bae\u8bed\u4e49\uff0c\u6240\u4ee5\u80fd\u505a\u4e32\u53e3\u670d\u52a1\u5668\u505a\u4e0d\u4e86\u7684\u4e8b\u3002\u4e0b\u9762\u62c6\u5f00\u6765\u8bb2\u6e05\u695a\u3002<\/p>\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u3001\u4e09\u5c42\u8bbe\u5907\u7684\u672c\u8d28\u5b9a\u4f4d<\/h2>\n\n\n<p class=\"wp-block-paragraph\">\u5148\u653e\u4e0b\u300c\u4e32\u53e3\u670d\u52a1\u5668 vs Modbus \u7f51\u5173\u300d\u8fd9\u4e2a\u4e8c\u5143\u5bf9\u7acb\u2014\u2014\u5b9e\u9645\u4e0a\u5e94\u8be5\u533a\u5206\u4e09\u4e2a\u5c42\u6b21\uff1a<\/p>\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u8bbe\u5907\u7c7b\u578b<\/th><th>\u534f\u8bae\u5904\u7406\u6df1\u5ea6<\/th><th>\u5178\u578b\u786c\u4ef6<\/th><th>\u6838\u5fc3\u80fd\u529b<\/th><\/tr><\/thead><tbody><tr><td>\u4e32\u53e3\u670d\u52a1\u5668<\/td><td>\u7269\u7406\u5c42+\u4f20\u8f93\u5c42<\/td><td>RS-232\/485 \u2194 TCP\/UDP<\/td><td>\u900f\u660e\u4f20\u8f93\uff0c\u4e0d\u89e3\u6790\u534f\u8bae\u5185\u5bb9<\/td><\/tr><tr><td>Modbus \u7f51\u5173<\/td><td>\u7269\u7406\u5c42+\u4f20\u8f93\u5c42+Modbus \u5e94\u7528\u5c42<\/td><td>RTU\/ASCII \u2194 TCP + \u4e3b\/\u4ece\u7ad9\u6a21\u5f0f<\/td><td>\u8bc6\u522b\u529f\u80fd\u7801\u3001\u5730\u5740\u6620\u5c04\u3001\u7f13\u5b58<\/td><\/tr><tr><td>\u8fb9\u7f18\u8ba1\u7b97\u7f51\u5173<\/td><td>\u5168\u6808+\u8fb9\u7f18\u5904\u7406<\/td><td>\u591a\u534f\u8bae+\u89c4\u5219\u5f15\u64ce+\u672c\u5730\u6570\u636e\u5e93<\/td><td>\u534f\u8bae\u8f6c\u6362\u3001\u6570\u636e\u6e05\u6d17\u3001\u65ad\u7f51\u7eed\u4f20<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<p class=\"wp-block-paragraph\">\u4e32\u53e3\u670d\u52a1\u5668\u662f\u300c\u90ae\u5dee\u300d\uff0c\u5305\u88f9\u91cc\u5199\u7684\u4ec0\u4e48\u5b83\u4e0d\u7ba1\uff0c\u8d1f\u8d23\u4ece A \u70b9\u9001\u5230 B \u70b9\u3002Modbus \u7f51\u5173\u662f\u300c\u5206\u62e3\u4e2d\u5fc3\u300d\uff0c\u5b83\u62c6\u5f00\u5305\u88f9\u770b\u5730\u5740\u548c\u529f\u80fd\u7801\uff0c\u51b3\u5b9a\u9001\u7ed9\u8c01\u3001\u7ed9\u4e0d\u7ed9\u3001\u8981\u4e0d\u8981\u7f13\u5b58\u3002\u8fb9\u7f18\u8ba1\u7b97\u7f51\u5173\u662f\u300c\u672c\u5730\u8c03\u5ea6\u53f0\u300d\u2014\u2014\u5b83\u4e0d\u53ea\u662f\u8f6c\u53d1\uff0c\u8fd8\u80fd\u5224\u65ad\u300c\u8fd9\u4e2a\u6e29\u5ea6\u503c\u5f02\u5e38\uff0c\u5148\u672c\u5730\u62a5\u8b66\uff0c\u518d\u4e0a\u62a5\u300d\u3002<\/p>\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001\u4e32\u53e3\u670d\u52a1\u5668\uff1a\u900f\u660e\u4f20\u8f93\u7684\u5168\u90e8<\/h2>\n\n\n<h3 class=\"wp-block-heading\">2.1 \u5de5\u4f5c\u539f\u7406<\/h3>\n\n\n<p class=\"wp-block-paragraph\">\u4e32\u53e3\u670d\u52a1\u5668\u7684\u6838\u5fc3\u529f\u80fd\u7528\u4e00\u53e5\u8bdd\u8bf4\u5b8c\uff1a\u628a RS-232\/RS-485 \u4e32\u53e3\u4e0a\u7684\u6bcf\u4e00\u4e2a\u5b57\u8282\uff0c\u539f\u5c01\u4e0d\u52a8\u5730\u642c\u8fd0\u5230 TCP \u6216 UDP \u7f51\u7edc\u5305\u4e2d\uff0c\u53cd\u4e4b\u4ea6\u7136\u3002\u5b83\u4e0d\u5173\u5fc3\u8fd9\u4e9b\u5b57\u8282\u662f Modbus RTU \u5e27\u3001ASCII \u547d\u4ee4\u8fd8\u662f\u81ea\u5b9a\u4e49\u4e8c\u8fdb\u5236\u534f\u8bae\u3002<\/p>\n\n\n<p class=\"wp-block-paragraph\">\u6570\u636e\u6d41\u8def\u5f84\uff1a<\/p>\n\n\n<pre class=\"wp-block-code\"><code>\u4e32\u53e3\u8bbe\u5907 \u2192 RS-485 \u603b\u7ebf \u2192 \u4e32\u53e3\u670d\u52a1\u5668\uff08\u4e32\u53e3\u2194\u4ee5\u592a\u7f51\u5c01\u88c5\uff09 \u2192 TCP\/UDP \u7f51\u7edc \u2192 \u670d\u52a1\u5668<\/code><\/pre>\n\n\n<p class=\"wp-block-paragraph\">\u5c01\u88c5\u65b9\u5f0f\u901a\u5e38\u6709\u4e09\u79cd\uff1a<\/p>\n\n\n<p class=\"wp-block-paragraph\"><strong>TCP Server \u6a21\u5f0f<\/strong>\uff1a\u4e32\u53e3\u670d\u52a1\u5668\u76d1\u542c\u4e00\u4e2a TCP \u7aef\u53e3\uff0c\u8fdc\u7a0b\u4e3b\u673a\u4f5c\u4e3a Client \u4e3b\u52a8\u8fde\u63a5\u3002\u8fde\u63a5\u5efa\u7acb\u540e\uff0c\u53cc\u65b9\u8fdb\u884c\u53cc\u5411\u900f\u4f20\u3002<\/p>\n\n\n<p class=\"wp-block-paragraph\"><strong>TCP Client \u6a21\u5f0f<\/strong>\uff1a\u4e32\u53e3\u670d\u52a1\u5668\u4e3b\u52a8\u8fde\u63a5\u8fdc\u7a0b\u670d\u52a1\u5668\u7684\u6307\u5b9a IP \u548c\u7aef\u53e3\u30024G DTU \u548c\u5927\u591a\u6570\u65e0\u516c\u7f51 IP \u7684\u73b0\u573a\u8bbe\u5907\u90fd\u8d70\u8fd9\u4e2a\u6a21\u5f0f\u2014\u2014\u670d\u52a1\u5668\u7aef\u5fc5\u987b\u6709\u56fa\u5b9a\u516c\u7f51 IP \u548c\u5f00\u653e\u7aef\u53e3\u3002<\/p>\n\n\n<p class=\"wp-block-paragraph\"><strong>UDP \u6a21\u5f0f<\/strong>\uff1a\u4e32\u53e3\u670d\u52a1\u5668\u5c06\u4e32\u53e3\u6570\u636e\u5c01\u88c5\u4e3a UDP \u6570\u636e\u62a5\u53d1\u9001\u5230\u6307\u5b9a\u8fdc\u7aef IP \u548c\u7aef\u53e3\uff0c\u540c\u65f6\u63a5\u6536\u8fdc\u7aef\u53d1\u6765\u7684 UDP \u6570\u636e\u62a5\u3002UDP \u6ca1\u6709\u8fde\u63a5\u7ba1\u7406\u5f00\u9500\uff0c\u4f46\u5982\u679c\u4e22\u5305\u4e5f\u4e0d\u4f1a\u6709\u4efb\u4f55\u91cd\u4f20\u673a\u5236\u2014\u2014\u9002\u5408\u540c\u4e00 LAN \u5185\u7684\u975e\u5173\u952e\u6570\u636e\u4f20\u8f93\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\">2.2 \u7269\u7406\u89c4\u683c<\/h3>\n\n\n<p class=\"wp-block-paragraph\">\u4e32\u53e3\u670d\u52a1\u5668\u7684\u786c\u4ef6\u5dee\u5f02\u4e3b\u8981\u5728\u4e32\u53e3\u6570\u91cf\u548c\u7269\u7406\u63a5\u53e3\u7c7b\u578b\uff1a<\/p>\n\n\n<ul class=\"wp-block-list\"><li><strong>\u5355\u4e32\u53e3\u578b<\/strong>\uff1a1 \u8def RS-485 \u6216 1 \u8def RS-232\uff0c\u9002\u5408\u5355\u53f0\u8bbe\u5907\u8054\u7f51\u3002<\/li><li><strong>\u591a\u4e32\u53e3\u578b<\/strong>\uff1a2 \u8def\u30014 \u8def\u30018 \u8def\u751a\u81f3 16 \u8def RS-232\/RS-485\/RS-422 \u6df7\u5408\u63a5\u5165\uff0c\u5404\u4e32\u53e3\u72ec\u7acb\u5de5\u4f5c\uff0c\u4e92\u4e0d\u5f71\u54cd\u3002<\/li><li><strong>WiFi \u578b<\/strong>\uff1a\u4e32\u53e3\u8f6c WiFi\uff0c\u652f\u6301 AP\uff08\u8bbe\u5907\u81ea\u5efa\u70ed\u70b9\uff09\u3001STA\uff08\u8fde\u5165\u73b0\u6709 WiFi\uff09\u548c AP+STA \u6df7\u5408\u6a21\u5f0f\u3002<\/li><li><strong>\u5bbd\u538b\/\u5de5\u89c4<\/strong>\uff1a\u652f\u6301 DC 9-48V \u5bbd\u7535\u538b\u3001-35\u00b0C \u5230 75\u00b0C \u5de5\u4f5c\u6e29\u5ea6\u3001IP30 \u4ee5\u4e0a\u9632\u62a4\u7b49\u7ea7\u3002<\/li><\/ul>\n\n\n<p class=\"wp-block-paragraph\">\u9009\u578b\u65f6\u5173\u6ce8\u4e00\u4e2a\u5173\u952e\u6307\u6807\uff1a<strong>\u900f\u4f20\u5ef6\u8fdf<\/strong>\u3002\u4fbf\u5b9c\u7684\u4e32\u53e3\u670d\u52a1\u5668\u5185\u90e8\u7528\u4e86\u51e0\u5c42\u8f6f\u4ef6\u7f13\u51b2\uff0c\u7aef\u5230\u7aef\u5ef6\u8fdf\u53ef\u80fd\u5230 100-200ms\u3002\u5bf9\u4e8e Modbus \u4e3b\u7ad9\u7684\u54cd\u5e94\u8d85\u65f6\u800c\u8a00\uff0c200ms \u7684\u989d\u5916\u5ef6\u8fdf\u610f\u5473\u7740\u4f60\u635f\u5931\u4e86\u81f3\u5c11 200ms \u7684\u8f6e\u8be2\u7a97\u53e3\u3002\u5de5\u4e1a\u7ea7\u7684\u4e32\u53e3\u670d\u52a1\u5668\u7aef\u5230\u7aef\u5ef6\u8fdf\u5e94\u5728 10-50ms \u8303\u56f4\u5185\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\">2.3 \u4e32\u53e3\u670d\u52a1\u5668\u7684\u8fb9\u754c<\/h3>\n\n\n<p class=\"wp-block-paragraph\">\u4e32\u53e3\u670d\u52a1\u5668\u505a\u4e0d\u4e86\u7684\u4e8b\uff1a<\/p>\n\n\n<ul class=\"wp-block-list\"><li>\u4e0d\u77e5\u9053\u4e00\u4e2a Modbus RTU \u5e27\u4ece\u54ea\u5f00\u59cb\u3001\u5230\u54ea\u7ed3\u675f\uff08\u5b83\u4e0d\u505a 3.5 \u5b57\u7b26\u95f4\u9694\u5224\u65ad\uff09<\/li><li>\u4e0d\u8bc6\u522b\u4ece\u7ad9\u5730\u5740\uff0c\u4e0d\u80fd\u6309\u5730\u5740\u5206\u53d1\u6570\u636e\u7ed9\u4e0d\u540c TCP \u5ba2\u6237\u7aef<\/li><li>\u4e0d\u9a8c\u8bc1 CRC\/LRC \u6821\u9a8c\u2014\u2014\u9519\u8bef\u7684\u5e27\u4e5f\u4f1a\u7167\u4f20<\/li><li>\u4e0d\u80fd\u4e3b\u52a8\u53d1\u8d77 Modbus \u67e5\u8be2<\/li><li>\u4e0d\u80fd\u505a\u8f6e\u8be2\uff0c\u670d\u52a1\u5668\u5fc5\u987b\u81ea\u5df1\u7ba1\u7406\u6240\u6709\u4ece\u7ad9\u7684\u8bfb\u5199\u65f6\u5e8f<\/li><\/ul>\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u3001Modbus \u7f51\u5173\uff1a\u534f\u8bae\u611f\u77e5\u7684\u67a2\u7ebd<\/h2>\n\n\n<h3 class=\"wp-block-heading\">3.1 \u5de5\u4f5c\u539f\u7406<\/h3>\n\n\n<p class=\"wp-block-paragraph\">Modbus \u7f51\u5173\u5728\u4e32\u53e3\u670d\u52a1\u5668\u7684\u57fa\u7840\u4e0a\u589e\u52a0\u4e86\u4e00\u5c42\u534f\u8bae\u5f15\u64ce\u3002\u5b83\u80fd\u8bc6\u522b Modbus RTU\/ASCII\/TCP \u62a5\u6587\u7684\u7ed3\u6784\u2014\u2014\u5730\u5740\u7801\u3001\u529f\u80fd\u7801\u3001\u5bc4\u5b58\u5668\u5730\u5740\u3001\u6570\u636e\u533a\u548c CRC\/LRC\uff0c\u5e76\u636e\u6b64\u505a\u51fa\u667a\u80fd\u51b3\u7b56\u3002<\/p>\n\n\n<p class=\"wp-block-paragraph\">\u5178\u578b\u7684\u529f\u80fd\u6a21\u5f0f\uff1a<\/p>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u6a21\u5f0f\u4e00\uff1a\u900f\u660e\u8f6c\u6362\uff08\u4ece\u7ad9\u6a21\u5f0f \/ Slave \u6a21\u5f0f\uff09<\/strong><\/p>\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u662f\u7f51\u5173\u7684\u6700\u57fa\u7840\u6a21\u5f0f\uff0c\u884c\u4e3a\u7c7b\u4f3c\u4e32\u53e3\u670d\u52a1\u5668\uff0c\u4f46\u591a\u4e86\u4e00\u6b65\uff1a\u5c06 Modbus RTU\/ASCII \u5e27\u5265\u53bb CRC\/LRC \u6821\u9a8c\u3001\u52a0\u4e0a MBAP \u62a5\u6587\u5934\uff0c\u8f6c\u6362\u4e3a Modbus TCP \u5e27\u53d1\u7ed9\u670d\u52a1\u5668\u3002\u5bf9\u670d\u52a1\u5668\u4fa7\u800c\u8a00\uff0c\u7f51\u5173\u8868\u73b0\u4e3a\u4e00\u4e2a Modbus TCP Server\u3002\u53cd\u8fc7\u6765\uff0c\u670d\u52a1\u5668\u53d1\u6765 Modbus TCP \u8bf7\u6c42\uff0c\u7f51\u5173\u53bb\u6389 MBAP \u5934\u3001\u8ba1\u7b97\u5e76\u9644\u52a0 CRC\uff0c\u8f6c\u4e3a RTU\/ASCII \u5e27\u4e0b\u53d1\u7ed9\u4e32\u53e3\u4ece\u7ad9\u3002<\/p>\n\n\n<pre class=\"wp-block-code\"><code>SCADA\/\u4e0a\u4f4d\u673a\uff08TCP Client\uff09\n    \u2502 Modbus TCP \u8bf7\u6c42\n    \u25bc\nModbus \u7f51\u5173\uff08TCP Server \u2192 RTU Master \u8f6c\u53d1\uff09\n    \u2502 Modbus RTU \u8bf7\u6c42 + CRC\n    \u25bc\nRS-485 \u603b\u7ebf \u2192 \u4ece\u7ad9 01, 02, 03...\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/03\/04181906_19574.gif\" ><\/figure>\n\n<\/code><\/pre>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u6a21\u5f0f\u4e8c\uff1a\u4e3b\u52a8\u8f6e\u8be2 + \u7f13\u5b58\uff08\u4e3b\u673a\u6a21\u5f0f \/ Master \u6a21\u5f0f\uff09<\/strong><\/p>\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u662f Modbus \u7f51\u5173\u533a\u522b\u4e8e\u4e32\u53e3\u670d\u52a1\u5668\u7684\u6838\u5fc3\u529f\u80fd\u3002\u7f51\u5173\u4f5c\u4e3a Modbus RTU Master\uff0c\u6839\u636e\u5185\u5efa\u7684\u8f6e\u8be2\u8868\uff0c\u5b9a\u65f6\u4e3b\u52a8\u67e5\u8be2\u4e32\u53e3\u4e0a\u7684\u4ece\u7ad9\u8bbe\u5907\uff0c\u5c06\u8fd4\u56de\u7684\u6570\u636e\u5b58\u5165\u672c\u5730\u7f13\u5b58\u3002\u7f51\u7edc\u4fa7\u7684\u670d\u52a1\u5668\u4e0d\u9700\u8981\u81ea\u5df1\u7ba1\u7406\u8f6e\u8be2\u2014\u2014\u76f4\u63a5\u5411\u7f51\u5173\u7684\u7f13\u5b58\u533a\u8bfb\u53d6\u6700\u65b0\u6570\u636e\u5373\u53ef\u3002<\/p>\n\n\n<p class=\"wp-block-paragraph\">\u597d\u5904\uff1a<\/p>\n\n\n<ul class=\"wp-block-list\"><li>\u591a\u4e2a\u4e0a\u4f4d\u673a \/ \u4e91\u5e73\u53f0\u53ef\u4ee5\u540c\u65f6\u8bfb\u53d6\u540c\u4e00\u6279\u5bc4\u5b58\u5668\u6570\u636e\uff0c\u800c\u4e0d\u4f1a\u62a2\u5360 RS-485 \u603b\u7ebf<\/li><li>\u8f6e\u8be2\u9891\u7387\u53ef\u63a7\uff0c\u7f51\u5173\u8d1f\u8d23\u7ba1\u7406 3.5 \u5b57\u7b26\u5e27\u95f4\u9694\u3001\u8d85\u65f6\u91cd\u8bd5\u3001CRC \u6821\u9a8c<\/li><li>\u7f51\u7edc\u4fa7\u91cd\u8bd5\u4e0d\u4f1a\u5e72\u6270\u4e32\u53e3\u4fa7\u901a\u4fe1\u2014\u2014\u670d\u52a1\u5668\u8d85\u65f6\u91cd\u8bfb\u65f6\uff0c\u7f51\u5173\u76f4\u63a5\u4ece\u7f13\u5b58\u8fd4\u56de\u6570\u636e<\/li><\/ul>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u6a21\u5f0f\u4e09\uff1a\u4e3b\u52a8\u4e0a\u62a5\uff08Publish \u6a21\u5f0f\uff09<\/strong><\/p>\n\n\n<p class=\"wp-block-paragraph\">\u7f51\u5173\u6309\u9884\u8bbe\u89c4\u5219\uff08\u5b9a\u65f6\u3001\u6570\u636e\u53d8\u5316\u3001\u9608\u503c\u89e6\u53d1\uff09\u4e3b\u52a8\u5c06\u5bc4\u5b58\u5668\u6570\u636e\u63a8\u9001\u5230\u670d\u52a1\u5668\u3002\u8fd9\u4e2a\u6a21\u5f0f\u4e0b\uff0c\u670d\u52a1\u5668\u4e0d\u9700\u8981\u8f6e\u8be2\u2014\u2014\u8fd9\u5728 MQTT \u63a5\u5165\u573a\u666f\u4e2d\u7279\u522b\u5b9e\u7528\uff0c\u7f51\u5173\u4f5c\u4e3a MQTT \u5ba2\u6237\u7aef\uff0c\u5c06\u6570\u636e\u4e3b\u52a8 PUBLISH \u5230 Broker \u7684\u6307\u5b9a Topic\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\">3.2 \u7f13\u5b58\u5b58\u50a8\u673a\u5236<\/h3>\n\n\n<p class=\"wp-block-paragraph\">Modbus \u7f51\u5173\u7684\u7f13\u5b58\u662f\u5728\u5185\u5b58\u4e2d\u7ef4\u62a4\u4e00\u5f20\u5bc4\u5b58\u5668\u6620\u5c04\u8868\u3002\u914d\u7f6e\u65f6\uff0c\u7ba1\u7406\u5458\u5b9a\u4e49\u4e00\u7cfb\u5217\u300c\u91c7\u96c6\u70b9\u300d\uff1a<\/p>\n\n\n<pre class=\"wp-block-code\"><code>\u91c7\u96c6\u70b9 1\uff1a\u4ece\u7ad9\u5730\u5740 01\uff0c\u529f\u80fd\u7801 03\uff0c\u8d77\u59cb\u5730\u5740 0000\uff0c\u957f\u5ea6 4\uff0c\u5468\u671f 1s\n\u91c7\u96c6\u70b9 2\uff1a\u4ece\u7ad9\u5730\u5740 02\uff0c\u529f\u80fd\u7801 04\uff0c\u8d77\u59cb\u5730\u5740 0000\uff0c\u957f\u5ea6 2\uff0c\u5468\u671f 5s\n...<\/code><\/pre>\n\n\n<p class=\"wp-block-paragraph\">\u7f51\u5173\u6309\u5404\u81ea\u7684\u5468\u671f\u8f6e\u8be2\u8fd9\u4e9b\u91c7\u96c6\u70b9\uff0c\u5c06\u6570\u636e\u5237\u65b0\u5230\u5185\u90e8\u7f13\u5b58\u533a\u3002\u591a\u4e2a TCP \u5ba2\u6237\u7aef\u540c\u65f6\u8bfb\u53d6\u65f6\uff0c\u7f51\u5173\u76f4\u63a5\u8fd4\u56de\u7f13\u5b58\u6570\u636e\uff0c\u4e0d\u89e6\u53d1\u4e32\u53e3\u901a\u4fe1\u3002\u91c7\u96c6\u5468\u671f\u8d8a\u77ed\uff0c\u6570\u636e\u8d8a\u5b9e\u65f6\uff0c\u4f46 RS-485 \u603b\u7ebf\u8d1f\u8f7d\u4e5f\u8d8a\u9ad8\u2014\u2014\u9700\u8981\u5728\u5b9e\u65f6\u6027\u548c\u603b\u7ebf\u5bb9\u91cf\u4e4b\u95f4\u627e\u5e73\u8861\u3002\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/03\/04181930_53771.jpg\" ><\/figure>\n\n<\/p>\n\n\n<h3 class=\"wp-block-heading\">3.3 \u534f\u8bae\u8f6c\u6362\u80fd\u529b<\/h3>\n\n\n<p class=\"wp-block-paragraph\">\u5178\u578b\u7684 Modbus \u7f51\u5173\u652f\u6301\u7684\u534f\u8bae\u8f6c\u6362\u8def\u5f84\uff1a<\/p>\n\n\n<pre class=\"wp-block-code\"><code>Modbus RTU  \u2190\u2192  Modbus TCP\nModbus ASCII \u2190\u2192  Modbus TCP\nModbus RTU   \u2190\u2192  Modbus RTU\uff08\u8de8\u7f51\u6bb5\u8def\u7531\uff09\nModbus TCP   \u2190\u2192  MQTT\uff08\u90e8\u5206\u9ad8\u7ea7\u7f51\u5173\uff09<\/code><\/pre>\n\n\n<p class=\"wp-block-paragraph\">\u6ce8\u610f\uff1a\u53ea\u6709\u4ece\u4e00\u79cd Modbus \u6a21\u5f0f\u5230\u53e6\u4e00\u79cd Modbus \u6a21\u5f0f\u7684\u8f6c\u6362\u624d\u662f\u300c\u6807\u51c6 Modbus \u7f51\u5173\u300d\u7684\u8303\u7574\u3002\u4e00\u65e6\u7f51\u5173\u80fd\u8f6c\u6362 Modbus \u2194 MQTT \/ HTTP \/ OPC UA \/ Profinet \u7b49\u975e Modbus \u534f\u8bae\uff0c\u5b83\u5b9e\u9645\u4e0a\u5df2\u7ecf\u8de8\u5165\u4e86\u300c\u534f\u8bae\u8f6c\u6362\u5668\u300d\u6216\u300c\u8fb9\u7f18\u8ba1\u7b97\u7f51\u5173\u300d\u7684\u9886\u57df\u3002<\/p>\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n<h2 class=\"wp-block-heading\">\u56db\u3001\u8fb9\u7f18\u8ba1\u7b97\u7f51\u5173\uff1a\u9762\u5411 IoT \u7684\u5b8c\u6574\u5e73\u53f0<\/h2>\n\n\n<h3 class=\"wp-block-heading\">4.1 \u8d85\u8d8a\u534f\u8bae\u8f6c\u53d1<\/h3>\n\n\n<p class=\"wp-block-paragraph\">\u8fb9\u7f18\u8ba1\u7b97\u7f51\u5173\u662f\u4e32\u53e3\u670d\u52a1\u5668\u548c Modbus \u7f51\u5173\u7684\u300c\u5b8c\u5168\u4f53\u8fdb\u5316\u7248\u300d\u3002\u5b83\u4e0d\u4ec5\u5b8c\u6210\u534f\u8bae\u8f6c\u6362\uff0c\u8fd8\u63d0\u4f9b\u672c\u5730\u6570\u636e\u5904\u7406\u548c\u51b3\u7b56\u80fd\u529b\u3002\u6838\u5fc3\u80fd\u529b\u5305\u62ec\uff1a<\/p>\n\n\n<ul class=\"wp-block-list\"><li><strong>\u591a\u534f\u8bae\u540c\u65f6\u63a5\u5165<\/strong>\uff1a\u4e00\u6761 RS-485 \u603b\u7ebf\u4e0a\u65e2\u6709 Modbus RTU \u8bbe\u5907\u53c8\u6709 DL\/T645 \u7535\u8868\uff0c\u7f51\u5173\u540c\u65f6\u89e3\u6790\u4e24\u79cd\u534f\u8bae\uff0c\u7edf\u4e00\u8f6c\u4e3a MQTT\/HTTP \u4e0a\u4f20<\/li><li><strong>\u672c\u5730\u89c4\u5219\u5f15\u64ce<\/strong>\uff1aIF \u6e29\u5ea6 &gt; 80\u00b0C THEN \u672c\u5730\u7ee7\u7535\u5668\u65ad\u5f00 + \u5e73\u53f0\u544a\u8b66\uff0c\u4e0d\u9700\u8981\u4f9d\u8d56\u4e91\u7aef\u51b3\u7b56<\/li><li><strong>\u6570\u636e\u9884\u5904\u7406<\/strong>\uff1a\u5747\u503c\u6ee4\u6ce2\u3001\u53d8\u5316\u7387\u8ba1\u7b97\u3001\u5355\u4f4d\u6362\u7b97\uff08\u5982\u539f\u59cb\u503c \u00d70.1 = \u5b9e\u9645\u6e29\u5ea6\uff09\uff0c\u5728\u7f51\u5173\u4fa7\u5b8c\u6210<\/li><li><strong>\u65ad\u7f51\u7eed\u4f20<\/strong>\uff1a4G\/WiFi \u65ad\u7f51\u65f6\uff0c\u6570\u636e\u7f13\u5b58\u5230\u672c\u5730 Flash\/SD \u5361\uff1b\u7f51\u7edc\u6062\u590d\u540e\u81ea\u52a8\u8865\u4f20<\/li><li><strong>\u8fb9\u7f18\u5b58\u50a8<\/strong>\uff1a\u672c\u5730 SQLite \/ TSDB\uff0c\u652f\u6301 7-30 \u5929\u7684\u5386\u53f2\u6570\u636e\u67e5\u8be2<\/li><\/ul>\n\n\n<h3 class=\"wp-block-heading\">4.2 \u548c Modbus \u7f51\u5173\u7684\u672c\u8d28\u533a\u522b<\/h3>\n\n\n<p class=\"wp-block-paragraph\">\u5f88\u591a\u4eba\u4ee5\u4e3a\u300c\u6211\u7684\u7f51\u5173\u652f\u6301\u4e86 MQTT \u4e0a\u4f20\uff0c\u5c31\u7b97\u8fb9\u7f18\u8ba1\u7b97\u7f51\u5173\u300d\u3002\u5176\u5b9e\u652f\u6301 MQTT \u900f\u4f20\u4e0d\u7b97\u8fb9\u7f18\u8ba1\u7b97\u2014\u2014\u672c\u8d28\u8fd8\u662f\u900f\u4f20\uff0c\u53ea\u662f\u6362\u4e86\u4e2a\u534f\u8bae\u5c01\u88c5\u3002<\/p>\n\n\n<p class=\"wp-block-paragraph\">\u771f\u6b63\u7684\u8fb9\u7f18\u8ba1\u7b97\u7f51\u5173\u8981\u505a<strong>\u6570\u636e\u6a21\u578b\u8f6c\u6362<\/strong>\uff1a\u628a\u4e00\u4e32 Modbus \u5bc4\u5b58\u5668\u6570\u636e\uff08<code>01 03 04 00 10 00 20 00 30<\/code>\uff09\u89e3\u6790\u4e3a\u7ed3\u6784\u5316\u7684 JSON \u6570\u636e\uff08<code>{\"temperature\": 16.0, \"humidity\": 32.0, \"pressure\": 48.0}<\/code>\uff09\uff0c\u518d\u63a8\u9001\u5230\u4e91\u5e73\u53f0\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u6d89\u53ca\u5bc4\u5b58\u5668\u5730\u5740\u5230\u7269\u7406\u91cf\u7684\u6620\u5c04\u3001\u5355\u4f4d\u6362\u7b97\u3001\u6570\u636e\u7c7b\u578b\u8f6c\u6362\u3001\u6570\u636e\u6709\u6548\u6027\u6821\u9a8c\u2014\u2014\u4e0d\u662f\u7b80\u5355\u7684\u300c\u628a Modbus \u5e27\u585e\u8fdb MQTT \u6d88\u606f\u91cc\u300d\u3002<\/p>\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n<h2 class=\"wp-block-heading\">\u4e94\u3001\u64cd\u4f5c\u6a21\u5f0f\u7684\u5de5\u7a0b\u5bf9\u6bd4<\/h2>\n\n\n<p class=\"wp-block-paragraph\">\u4ece\u5de5\u7a0b\u90e8\u7f72\u89d2\u5ea6\u770b\uff0c\u4e09\u79cd\u8bbe\u5907\u5728\u7f51\u7edc\u4e2d\u7684\u62d3\u6251\u89d2\u8272\u4e0d\u540c\uff1a<\/p>\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u7ef4\u5ea6<\/th><th>\u4e32\u53e3\u670d\u52a1\u5668<\/th><th>Modbus \u7f51\u5173<\/th><th>\u8fb9\u7f18\u8ba1\u7b97\u7f51\u5173<\/th><\/tr><\/thead><tbody><tr><td>\u5bf9\u670d\u52a1\u5668\u8981\u6c42<\/td><td>\u9ad8\uff08\u670d\u52a1\u5668\u8f6e\u8be2\uff09<\/td><td>\u4f4e\uff08\u8bfb\u7f51\u5173\u7f13\u5b58\uff09<\/td><td>\u6700\u4f4e\uff08\u53ea\u6536\u5904\u7406\u7ed3\u679c\uff09<\/td><\/tr><tr><td>\u4e32\u53e3\u8f6e\u8be2\u6267\u884c\u8005<\/td><td>\u670d\u52a1\u5668\uff08\u8fdc\u7a0b\u8f6e\u8be2\uff09<\/td><td>\u7f51\u5173\uff08\u672c\u5730\u8f6e\u8be2\uff09<\/td><td>\u7f51\u5173\uff08\u672c\u5730\u8f6e\u8be2 + \u9884\u5904\u7406\uff09<\/td><\/tr><tr><td>TCP \u8fde\u63a5\u6570<\/td><td>1-8\uff08\u53d7\u9650\u4e8e\u786c\u4ef6\uff09<\/td><td>8-32+<\/td><td>\u53d6\u51b3\u4e8e\u786c\u4ef6\u914d\u7f6e<\/td><\/tr><tr><td>\u4e32\u53e3\u8bbe\u5907\u6570\u91cf<\/td><td>\u4e0d\u9650\u5236\uff08\u4ec5\u900f\u4f20\uff09<\/td><td>\u5efa\u8bae \u2264 32 \/ \u8def<\/td><td>\u5efa\u8bae \u2264 32 \/ \u8def<\/td><\/tr><tr><td>\u591a\u4e3b\u7ad9\u652f\u6301<\/td><td>\u4e0d\u652f\u6301\uff08\u4e32\u53e3\u72ec\u5360\uff09<\/td><td>\u652f\u6301\uff08\u8bfb\u7f13\u5b58\u4e0d\u89e6\u53d1\u4e32\u53e3\uff09<\/td><td>\u652f\u6301<\/td><\/tr><tr><td>\u79bb\u7ebf\u5de5\u4f5c<\/td><td>\u4e0d\u652f\u6301<\/td><td>\u4e0d\u652f\u6301<\/td><td>\u652f\u6301\uff08\u65ad\u7f51\u7eed\u4f20\uff09<\/td><\/tr><tr><td>\u8ba1\u7b97\u80fd\u529b<\/td><td>\u96f6<\/td><td>\u6709\u9650\uff08\u534f\u8bae\u89e3\u6790\uff09<\/td><td>\u6709\uff08\u6570\u636e\u5904\u7406 + \u89c4\u5219\u5f15\u64ce\uff09<\/td><\/tr><tr><td>\u5b89\u88c5\u590d\u6742\u5ea6<\/td><td>\u4f4e<\/td><td>\u4e2d<\/td><td>\u9ad8<\/td><\/tr><tr><td>\u5178\u578b\u4ef7\u683c<\/td><td>100-500 \u5143<\/td><td>300-1500 \u5143<\/td><td>800-5000+ \u5143<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n<h2 class=\"wp-block-heading\">\u516d\u3001\u9009\u578b\u51b3\u7b56\uff1a\u4ec0\u4e48\u65f6\u5019\u7528\u54ea\u4e2a<\/h2>\n\n\n<h3 class=\"wp-block-heading\">6.1 \u7528\u4e32\u53e3\u670d\u52a1\u5668\u7684\u573a\u666f<\/h3>\n\n\n<ul class=\"wp-block-list\"><li>\u603b\u7ebf\u4e0a\u53ea\u6709 1-2 \u53f0 Modbus \u8bbe\u5907\uff0c\u8f6e\u8be2\u903b\u8f91\u7b80\u5355\uff0c\u670d\u52a1\u5668\u4fa7\u6709\u6210\u719f\u7684 Modbus \u9a71\u52a8<\/li><li>\u8d70\u7684\u4e0d\u662f Modbus \u534f\u8bae\uff08\u81ea\u5b9a\u4e49\u4e8c\u8fdb\u5236\u534f\u8bae\u3001\u5382\u5bb6\u79c1\u6709\u534f\u8bae\uff09\uff0c\u4e0d\u9700\u8981\u534f\u8bae\u89e3\u6790<\/li><li>\u7eaf\u5c40\u57df\u7f51\u5185\u4f7f\u7528\uff0c\u7f51\u7edc\u5ef6\u8fdf\u7a33\u5b9a\uff0c\u670d\u52a1\u5668\u5904\u7406\u80fd\u529b\u5145\u8db3<\/li><li>\u9884\u7b97\u7d27\u5f20\uff0c\u51e0\u767e\u5757\u94b1\u641e\u5b9a<\/li><\/ul>\n\n\n<h3 class=\"wp-block-heading\">6.2 \u7528 Modbus \u7f51\u5173\u7684\u573a\u666f<\/h3>\n\n\n<ul class=\"wp-block-list\"><li>4+ \u53f0 Modbus RTU \u8bbe\u5907\u9700\u8981\u901a\u8fc7\u4e00\u4e2a IP \u63a5\u5165<\/li><li>\u591a\u4e2a\u4e0a\u4f4d\u673a \/ \u5de5\u7a0b PC \u9700\u8981\u540c\u65f6\u8bbf\u95ee\u540c\u4e00\u6279\u8bbe\u5907<\/li><li>\u9700\u8981\u51cf\u5c11\u670d\u52a1\u5668\u4fa7\u7684\u8f6e\u8be2\u538b\u529b\uff0c\u628a Modbus \u67e5\u8be2\u4e0b\u6c89\u5230\u73b0\u573a\u4fa7<\/li><li>\u8fdc\u7a0b\u63a5\u5165\uff084G\/\u8de8\u7f51\u6bb5\uff09\uff0c\u7f51\u7edc\u5ef6\u8fdf\u9ad8\uff0c\u8d85\u65f6\u91cd\u8bd5\u4e0d\u5e94\u8de8\u8d8a\u516c\u7f51<\/li><li>\u9700\u8981\u4e3b\u52a8\u4e0a\u62a5\u6a21\u5f0f\uff08\u5b9a\u65f6\u63a8\u9001\u6216\u53d8\u5316\u89e6\u53d1\u63a8\u9001\uff09<\/li><\/ul>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5173\u952e\u5224\u65ad\u6807\u51c6<\/strong>\uff1a\u5982\u679c\u670d\u52a1\u5668\u9700\u8981\u90e8\u7f72\u4e00\u4e2a\u5b9a\u65f6\u8f6e\u8be2\u7a0b\u5e8f\u6765\u7ba1\u7406 RS-485 \u4ece\u7ad9\uff0c\u800c\u7f51\u5173\u53ef\u4ee5\u4ee3\u52b3\u2014\u2014\u90a3\u5c31\u7528 Modbus \u7f51\u5173\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\">6.3 \u7528\u8fb9\u7f18\u8ba1\u7b97\u7f51\u5173\u7684\u573a\u666f<\/h3>\n\n\n<ul class=\"wp-block-list\"><li>\u73b0\u573a\u63a5\u5165\u591a\u79cd\u534f\u8bae\uff08Modbus + DL\/T645 + M-Bus + \u81ea\u5b9a\u4e49\u534f\u8bae\uff09\uff0c\u9700\u8981\u7edf\u4e00\u8f6c\u6362\u4e3a\u6807\u51c6 IoT \u534f\u8bae<\/li><li>\u9700\u8981\u672c\u5730\u5b9e\u65f6\u51b3\u7b56\uff08\u6e29\u5ea6\u8fc7\u9ad8\u7acb\u5373\u65ad\u5f00\u8bbe\u5907\uff0c\u4e0d\u80fd\u7b49\u670d\u52a1\u5668\u7684 500ms \u8f6e\u8be2\u5468\u671f\uff09<\/li><li>\u73b0\u573a\u7f51\u7edc\u4e0d\u7a33\u5b9a\uff084G \u4fe1\u53f7\u5dee\u3001WiFi \u9891\u65ad\uff09\uff0c\u9700\u8981\u65ad\u7f51\u7f13\u5b58\u548c\u6570\u636e\u7eed\u4f20<\/li><li>\u6570\u636e\u9700\u8981\u9884\u5904\u7406\uff08\u53bb\u566a\u3001\u8865\u507f\u3001\u683c\u5f0f\u8f6c\u6362\uff09\u518d\u4e0a\u4f20<\/li><li>\u9700\u8981\u8fb9\u7f18\u4fa7\u7684\u544a\u8b66\u63a8\u9001\u548c\u672c\u5730\u4eba\u673a\u4ea4\u4e92\uff08HMI \u5c4f \/ \u6307\u793a\u706f\u8054\u52a8\uff09<\/li><\/ul>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4e00\u53e5\u8bdd\u603b\u7ed3<\/strong>\uff1a<\/p>\n\n\n<ul class=\"wp-block-list\"><li>\u53ea\u8981\u900f\u4f20 \u2192 \u4e32\u53e3\u670d\u52a1\u5668<\/li><li>\u7ba1\u7406 Modbus \u8bbe\u5907 \u2192 Modbus \u7f51\u5173<\/li><li>\u6253\u9020\u672c\u5730\u667a\u80fd\u8282\u70b9 \u2192 \u8fb9\u7f18\u8ba1\u7b97\u7f51\u5173<\/li><\/ul>\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n<h2 class=\"wp-block-heading\">\u4e03\u3001\u5178\u578b\u5de5\u7a0b\u65b9\u6848\u793a\u4f8b<\/h2>\n\n\n<h3 class=\"wp-block-heading\">\u65b9\u6848\u4e00\uff1a\u5c0f\u89c4\u6a21\u519c\u4e1a\u5927\u68da\uff084 \u53f0\u4f20\u611f\u5668 + 1 \u53f0 PLC\uff09<\/h3>\n\n\n<pre class=\"wp-block-code\"><code>\u73b0\u573a\uff1a4 \u53f0\u6e29\u6e7f\u5ea6\u4f20\u611f\u5668\uff08RS-485 Modbus RTU\uff09+ 1 \u53f0 PLC\n\u901a\u4fe1\uff1a\u5c40\u57df\u7f51 WiFi\uff0c\u670d\u52a1\u5668\u5728 50 \u7c73\u5916\u7684\u503c\u73ed\u5ba4\n\u8bbe\u5907\uff1a\u4e32\u53e3\u670d\u52a1\u5668\uff08WiFi \u578b\uff0c\u5982 USR-W610\uff09\n\u67b6\u6784\uff1a\u4f20\u611f\u5668 \u2192 RS-485 \u603b\u7ebf \u2192 \u4e32\u53e3\u670d\u52a1\u5668 \u2192 WiFi \u2192 \u5c40\u57df\u7f51 \u2192 \u670d\u52a1\u5668\uff08\u8dd1 Modbus TCP Master \u9a71\u52a8\uff09\n\u7406\u7531\uff1a\u8bbe\u5907\u5c11\u3001\u5c40\u57df\u7f51\u5ef6\u8fdf\u4f4e\u3001\u9884\u7b97\u4f4e<\/code><\/pre>\n\n\n<h3 class=\"wp-block-heading\">\u65b9\u6848\u4e8c\uff1a\u6cf5\u7ad9\u8fdc\u7a0b\u76d1\u63a7\uff088 \u53f0\u53d8\u9891\u5668 + \u7535\u8868\uff09<\/h3>\n\n\n<pre class=\"wp-block-code\"><code>\u73b0\u573a\uff1a8 \u53f0\u53d8\u9891\u5668\uff08RS-485 Modbus RTU\uff09+ 3 \u53f0\u7535\u529b\u4eea\u8868\n\u901a\u4fe1\uff1a4G\uff0c\u670d\u52a1\u5668\u5728\u4e91\u7aef\n\u8bbe\u5907\uff1aModbus \u7f51\u5173\uff084G \u578b\uff0c\u5982 USR-G780\uff09\n\u67b6\u6784\uff1a\u53d8\u9891\u5668+\u4eea\u8868 \u2192 RS-485 \u603b\u7ebf \u2192 Modbus \u7f51\u5173\uff08\u4e3b\u673a\u6a21\u5f0f\uff0c1s \u8f6e\u8be2\u7f13\u5b58\uff09\n       \u2192 4G \u2192 \u4e91\u670d\u52a1\u5668\uff08MQTT Broker\uff0c\u8ba2\u9605\u7f51\u5173\u7f13\u5b58\u6570\u636e\uff09\n\u8f6e\u8be2\u8868\uff1a\n  \u91c7\u96c6\u70b91\uff1a\u7ad901, 03\u7801, \u5730\u57400x1000, \u957f\u5ea68, \u5468\u671f1s (\u53d8\u9891\u5668\u8fd0\u884c\u53c2\u6570)\n  \u91c7\u96c6\u70b92\uff1a\u7ad902, 03\u7801, \u5730\u57400x2000, \u957f\u5ea64, \u5468\u671f1s (\u7535\u8868\u7535\u538b\u7535\u6d41)\n  \u91c7\u96c6\u70b93\uff1a\u7ad901, 03\u7801, \u5730\u57400x1100, \u957f\u5ea64, \u5468\u671f10s (\u53d8\u9891\u5668\u544a\u8b66\u8bb0\u5f55)\n\u7406\u7531\uff1a\u8bbe\u5907\u591a\u3001\u8fdc\u7a0b 4G \u5ef6\u8fdf\u9ad8\u3001\u591a\u6570\u636e\u91c7\u96c6\u70b9\u9700\u8981\u4e0d\u540c\u8f6e\u8be2\u5468\u671f\u3001\u4e91\u7aef\u53ea\u9700\u8ba2\u9605\u7f13\u5b58<\/code><\/pre>\n\n\n<h3 class=\"wp-block-heading\">\u65b9\u6848\u4e09\uff1a\u5de5\u5382\u80fd\u8017\u76d1\u63a7\uff0850+ \u53f0\u7535\u8868 + \u672c\u5730\u663e\u793a\uff09<\/h3>\n\n\n<pre class=\"wp-block-code\"><code>\u73b0\u573a\uff1a50+ \u53f0\u4e09\u76f8\u7535\u8868\uff08Modbus RTU\uff09+ 4 \u8def\u6c34\u8868\uff08M-Bus\uff09\n\u901a\u4fe1\uff1a\u4f01\u4e1a\u5185\u7f51\uff0c\u6570\u636e\u9700\u540c\u65f6\u63a8\u672c\u5730 SCADA \u548c\u4e91\u7aef\n\u8bbe\u5907\uff1a\u8fb9\u7f18\u8ba1\u7b97\u7f51\u5173\uff08\u5982\u534e\u4e3a AR650 \u7cfb\u5217\uff09\n\u67b6\u6784\uff1a\n  \u7535\u8868 \u2192 RS-485 \u603b\u7ebf 1\uff08Modbus RTU \u8f6e\u8be2\uff09\u2192\n  \u6c34\u8868 \u2192 M-Bus \u8f6c RS-485 \u6a21\u5757 \u2192 RS-485 \u603b\u7ebf 2 \u2192 \u8fb9\u7f18\u8ba1\u7b97\u7f51\u5173\n  \u251c\u2192 \u672c\u5730 SCADA\uff08Modbus TCP Slave\uff09\n  \u251c\u2192 \u4e91\u5e73\u53f0\uff08MQTT JSON\uff0c\u542b\u7535\u91cf\u3001\u529f\u7387\u3001\u9700\u91cf\u7b49\u9884\u5904\u7406\u6570\u636e\uff09\n  \u2514\u2192 \u672c\u5730 SQLite\uff0830 \u5929\u5386\u53f2\uff09\n\u89c4\u5219\u5f15\u64ce\uff1a\n  IF \u67d0\u56de\u8def\u529f\u7387 &gt; \u989d\u5b9a\u503c \u00d7 1.2\uff0c\u6301\u7eed 5 \u5206\u949f \u2192 \u672c\u5730\u58f0\u5149\u62a5\u8b66 + MQTT \u544a\u8b66\u63a8\u9001\n\u7406\u7531\uff1a\u591a\u534f\u8bae\u3001\u6570\u636e\u5904\u7406\u91cf\u5927\u3001\u9700\u672c\u5730\u5386\u53f2\u5b58\u50a8\u3001\u9700\u8054\u52a8\u544a\u8b66<\/code><\/pre>\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n<p class=\"wp-block-paragraph\">\u7f51\u4e0a\u5f88\u591a\u8d44\u6599\u628a\u4e32\u53e3\u670d\u52a1\u5668\u548c Modbus 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