{"id":87332,"date":"2026-07-30T07:25:19","date_gmt":"2026-07-29T23:25:19","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/87332.html"},"modified":"2026-07-30T07:25:19","modified_gmt":"2026-07-29T23:25:19","slug":"%e7%81%ab%e5%8a%9b%e5%8f%91%e7%94%b5%e5%8e%82%e6%a8%a1%e5%9e%8b%e5%a4%9a%e8%ae%be%e5%a4%87%e6%97%b6%e5%ba%8f%e6%8e%a7%e5%88%b6%e7%b3%bb%e7%bb%9f%e8%ae%be%e8%ae%a1%ef%bc%9a%e5%9f%ba%e4%ba%8estm32","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/87332.html","title":{"rendered":"\u706b\u529b\u53d1\u7535\u5382\u6a21\u578b\u591a\u8bbe\u5907\u65f6\u5e8f\u63a7\u5236\u7cfb\u7edf\u8bbe\u8ba1\uff1a\u57fa\u4e8eSTM32\u4e0eModbus RTU\u7684\u51b7\u542f\u52a8\u5168\u6d41\u7a0b\u65b9\u6848"},"content":{"rendered":"

\u706b\u529b\u53d1\u7535\u5382\u6a21\u578b\u6d89\u53ca\u9505\u7089\u7cfb\u7edf（\u78e8\u7164\u673a\u3001\u7ed9\u7164\u673a\u3001\u71c3\u70e7\u5668\u3001\u7089\u819b\u3001\u6c34\u51b7\u58c1\u3001\u6c7d\u5305\u3001\u8fc7\u70ed\u5668\u3001\u7701\u7164\u5668\u3001\u7a7a\u6c14\u9884\u70ed\u5668）\u3001\u6c7d\u8f6e\u53d1\u7535\u673a\u7ec4（\u9ad8\u538b\u7f38\u3001\u4e2d\u538b\u7f38\u3001\u4f4e\u538b\u7f38\u3001\u8f6c\u5b50\u3001\u53f6\u7247\u3001\u53d1\u7535\u673a\u3001\u51dd\u6c7d\u5668\u3001\u51b7\u5374\u5854）\u3001\u8131\u786b\u8131\u785d\u7cfb\u7edf（SCR\u53cd\u5e94\u5668\u3001\u7535\u9664\u5c18\u5668\u3001\u8131\u786b\u5854\u3001GGH\u3001\u70df\u56f1）\u3001\u8f93\u7164\u4e0e\u9664\u7070\u7cfb\u7edf\u3001\u5347\u538b\u7ad9\u4e0e\u5e76\u7f51\u7cfb\u7edf\u7b49\u591a\u4e2a\u8bbe\u5907\u7fa4\u7ec4\u7684\u534f\u540c\u52a8\u4f5c\u3002\u4e00\u5957\u5b8c\u6574\u7684\u706b\u529b\u53d1\u7535\u5382\u6a21\u578b\u63a7\u5236\u7cfb\u7edf，\u9700\u8981\u7cbe\u786e\u8868\u8fbe\u4ece\u201c\u7164\u7c89\u5236\u5907\u2192\u9505\u7089\u71c3\u70e7\u2192\u84b8\u6c7d\u63a8\u52a8\u6c7d\u8f6e\u673a\u2192\u53d1\u7535\u673a\u8f93\u51fa\u2192\u70df\u6c14\u8131\u786b\u8131\u785d\u201d\u7684\u5b8c\u6574\u80fd\u91cf\u8f6c\u6362\u8def\u5f84\u2014\u2014\u51b7\u6001\u70b9\u706b\u542f\u52a8\u3001\u7089\u819b\u5347\u6e29\u3001\u6c7d\u673a\u51b2\u8f6c\u3001\u5e76\u7f51\u53d1\u7535，\u6bcf\u4e2a\u73af\u8282\u7684\u65f6\u5e8f\u903b\u8f91\u5fc5\u987b\u4e0e\u5b9e\u9645\u64cd\u4f5c\u89c4\u7a0b\u4e00\u81f4\u3002<\/p>\n

\u672c\u6587\u7ed3\u5408\u7b51\u57ce\u4e16\u7eaa\u6a21\u578b\u5728\u5de5\u4e1a\u6c99\u76d8\u63a7\u5236\u7cfb\u7edf\u5f00\u53d1\u4e2d\u7684\u9879\u76ee\u7ecf\u9a8c（2008\u5e74\u6210\u7acb，2000\u33a1\u5236\u4f5c\u5de5\u5382，\u63a7\u5236\u7cfb\u7edf\u81ea\u4e3b\u7814\u53d1，\u5df2\u4e3a\u534e\u5317\u7535\u529b\u5927\u5b66\u3001\u56fd\u673a\u96c6\u56e2\u3001\u5df4\u65af\u592b\u3001\u56fd\u5bb6\u7535\u7f51\u3001\u6e05\u534e\u5927\u5b66\u7b49500+\u4f01\u4e8b\u4e1a\u5355\u4f4d\u63d0\u4f9b\u670d\u52a1），\u68b3\u7406\u706b\u529b\u53d1\u7535\u5382\u6a21\u578b\u591a\u8bbe\u5907\u65f6\u5e8f\u63a7\u5236\u7cfb\u7edf\u7684\u8bbe\u8ba1\u4e0e\u5b9e\u73b0\u65b9\u6848，\u6db5\u76d6\u7cfb\u7edf\u67b6\u6784\u3001Modbus RTU\u5bc4\u5b58\u5668\u6620\u5c04\u3001\u591a\u8defPWM\u7535\u673a\u4e0e\u706f\u5e26\u534f\u540c\u63a7\u5236\u4ee3\u7801\u5b9e\u73b0\u53ca\u73b0\u573a\u8c03\u8bd5\u8981\u70b9\u3002<\/p>\n

\u4e00\u3001\u4e3a\u4ec0\u4e48\u706b\u529b\u53d1\u7535\u5382\u6a21\u578b\u5fc5\u987b\u7528STM32+Modbus RTU\u65b9\u6848
\n\u706b\u529b\u53d1\u7535\u5382\u6a21\u578b\u7684\u63a7\u5236\u7cfb\u7edf\u6709\u51e0\u4e2a\u7279\u6b8a\u8981\u6c42：<\/p>\n

\u7b2c\u4e00，\u51b7\u542f\u52a8\u5168\u6d41\u7a0b\u65f6\u5e8f\u7cbe\u5ea6\u8981\u6c42\u9ad8\u3002 \u4ece\u70b9\u706b\u6cb9\u67aa\u542f\u52a8\u2192\u7089\u819b\u5347\u6e29\u2192\u6295\u5165\u7164\u7c89\u2192\u9505\u7089\u5347\u538b\u2192\u6c7d\u673a\u51b2\u8f6c\u2192\u5e76\u7f51\u53d1\u7535，\u6bcf\u4e00\u6b65\u7684\u65f6\u5e8f\u95f4\u9694\u9700\u8981\u7cbe\u786e\u63a7\u5236\u3002STM32\u7684\u4e2d\u65ad\u54cd\u5e94\u7cbe\u5ea6\u53ef\u8fbe1ms\u7ea7，\u914d\u5408\u72b6\u6001\u673a\u7f16\u7a0b，\u65f6\u5e8f\u63a7\u5236\u66f4\u7cbe\u786e\u3002<\/p>\n

\u7b2c\u4e8c，\u63a7\u5236\u70b9\u6570\u591a\u4f46\u6210\u672c\u654f\u611f\u3002 \u706b\u529b\u53d1\u7535\u5382\u6a21\u578b\u7684\u6267\u884c\u5668\u5305\u62ec：\u591a\u8def\u7535\u673a（\u78e8\u7164\u673a\u3001\u7ed9\u7164\u673a\u3001\u98ce\u673a\u3001\u76ae\u5e26\u673a\u3001\u8f6c\u5b50\u7535\u673a\u7b49）\u548c\u591a\u6bb5\u706f\u5e26（\u7164\u6d41\u3001\u84b8\u6c7d\u3001\u70df\u6c14\u3001\u7535\u529b\u7b49\u591a\u6761\u8def\u5f84\u540c\u65f6\u6f14\u793a），\u63a7\u5236\u70b9\u6570\u901a\u5e38\u572832-128\u8def\u4e4b\u95f4\u3002PLC\u65b9\u6848\u540c\u7b49IO\u70b9\u6570\u7ea68000-15000\u5143，STM32\u65b9\u6848\u786c\u4ef6\u6210\u672c\u7ea6800-1500\u5143\u3002<\/p>\n

\u7b2c\u4e09，\u540e\u671f\u4fee\u6539\u9891\u7e41\u3002 \u706b\u529b\u53d1\u7535\u5382\u6a21\u578b\u5728\u4ea4\u4ed8\u540e\u7ecf\u5e38\u9700\u8981\u6839\u636e\u5ba2\u6237\u5de5\u827a\u8c03\u6574\u4fee\u6539\u65f6\u5e8f\u903b\u8f91（\u5982\u589e\u52a0\u201c\u6545\u969c\u6a21\u62df\u201d\u6a21\u5f0f\u3001\u8c03\u6574\u5404\u9636\u6bb5\u6f14\u793a\u901f\u5ea6）\u3002PLC\u65b9\u6848\u6bcf\u6b21\u4fee\u6539\u90fd\u9700\u8981\u4e13\u4e1a\u8f6f\u4ef6\u6388\u6743\u548c\u5de5\u7a0b\u5e08\u5230\u573a，STM32\u65b9\u6848\u901a\u8fc7Modbus\u5bc4\u5b58\u5668\u5728\u7ebf\u4fee\u6539\u53c2\u6570\u5373\u53ef\u3002<\/p>\n

PLC vs STM32 \u9009\u578b\u5bf9\u6bd4
\n\u5bf9\u6bd4\u9879PLC\u65b9\u6848STM32\u65b9\u6848
\n\u786c\u4ef6\u6210\u672c8000-15000\u5143800-1500\u5143
\n\u65f6\u5e8f\u63a7\u5236\u7cbe\u5ea610-20ms\u626b\u63cf\u5468\u671f+\u68af\u5f62\u56fe\u5ef6\u8fdf1ms\u4e2d\u65ad\u54cd\u5e94+\u72b6\u6001\u673a\u7cbe\u786e\u8c03\u5ea6
\n\u5f00\u53d1\u7075\u6d3b\u5ea6\u68af\u5f62\u56fe\u7f16\u7a0b，\u590d\u6742\u65f6\u5e8f\u903b\u8f91\u5b9e\u73b0\u56f0\u96beC\u8bed\u8a00\u7f16\u7a0b，\u72b6\u6001\u673a\u5b9e\u73b0\u7075\u6d3b
\n\u4f53\u79ef\u6a21\u5757\u5316\u7ed3\u6784，\u5360\u7528\u7a7a\u95f4\u5927\u5355\u677f\u96c6\u6210，\u53ef\u5d4c\u5165\u6a21\u578b\u5e95\u5ea7
\n\u540e\u671f\u4fee\u6539\u9700\u7f16\u7a0b\u8f6f\u4ef6\u6388\u6743+\u5de5\u7a0b\u5e08\u5230\u573a\u5bc4\u5b58\u5668\u5728\u7ebf\u4fee\u6539，\u65e0\u9700\u91cd\u7f16\u8bd1
\n\u6269\u5c55\u6027\u4f9d\u8d56\u4e13\u7528\u6a21\u5757\u5f00\u653eGPIO\/USART，\u7075\u6d3b\u6269\u5c55
\n\u4e3a\u4ec0\u4e48\u7528RS485\/Modbus RTU\u800c\u4e0d\u662fWiFi\u6216\u84dd\u7259？
\n\u706b\u529b\u53d1\u7535\u5382\u6a21\u578b\u5185\u90e8\u91d1\u5c5e\u7ed3\u6784\u591a，WiFi\u4fe1\u53f7\u8870\u51cf\u4e25\u91cd\u3002RS485\u662f\u5de5\u4e1a\u73b0\u573a\u603b\u7ebf\u6807\u51c6，\u6297\u5e72\u6270\u80fd\u529b\u5f3a，\u901a\u8baf\u7a33\u5b9a\u53ef\u9760\u3002Modbus RTU\u662f\u5de5\u4e1a\u6807\u51c6\u534f\u8bae，\u652f\u6301\u63a5\u5165PLC\u3001DCS\u3001\u89e6\u6478\u5c4f\u7b49\u7b2c\u4e09\u65b9\u8bbe\u5907，\u6269\u5c55\u6027\u5f3a\u3002<\/p>\n

\u4e8c\u3001\u7cfb\u7edf\u67b6\u6784\u8bbe\u8ba1
\n2.1 \u603b\u4f53\u67b6\u6784
\ntext
\n\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510
\n\u2502 \u4e2d\u63a7\u5e73\u677f\/\u89e6\u6478\u5c4f（Modbus RTU \u4e3b\u7ad9） \u2502
\n\u2502 \u51b7\u542f\u52a8\u6307\u4ee4\u4e0b\u53d1 \u901f\u5ea6\u8c03\u8282 \u5de5\u51b5\u6a21\u5f0f\u5207\u6362 \u2502
\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518
\n\u2502 RS485（9600,8N1,120\u03a9\u7ec8\u7aef\u7535\u963b）
\n\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u25bc\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510
\n\u2502 STM32F103RCT6 \u4ece\u7ad9 \u2502
\n\u2502 \u6307\u4ee4\u89e3\u6790 \u2192 \u72b6\u6001\u673a\u8c03\u5ea6 \u2192 GPIO\/PWM\u8f93\u51fa \u2502
\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518
\n\u2502 \u2502 \u2502 \u2502
\n\u250c\u2500\u2500\u2500\u25bc\u2500\u2500\u2500\u2510 \u250c\u2500\u2500\u2500\u25bc\u2500\u2500\u2500\u2510 \u250c\u2500\u2500\u2500\u25bc\u2500\u2500\u2500\u2510 \u250c\u2500\u2500\u2500\u25bc\u2500\u2500\u2500\u2510
\n\u2502\u9505\u7089 \u2502 \u2502\u6c7d\u8f6e\u673a \u2502 \u2502\u8f93\u9001 \u2502 \u2502\u706f\u5e26 \u2502
\n\u2502\u7535\u673a\u7fa4 \u2502 \u2502\u7535\u673a \u2502 \u2502\u76ae\u5e26 \u2502 \u2502\u9a71\u52a8 \u2502
\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518 \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518 \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518 \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518
\n2.2 \u786c\u4ef6\u9009\u578b
\n\u7ec4\u4ef6\u9009\u578b\u6570\u91cf\u9009\u578b\u7406\u7531
\n\u4e3b\u63a7MCUSTM32F103RCT61256KB Flash，51\u4e2aGPIO，3\u4e2aUSART
\n\u901a\u8baf\u63a5\u53e3MAX485ESA1\u7ecf\u5178RS485\u6536\u53d1\u5668，\u5de5\u4e1a\u7ea7\u6297\u5e72\u6270
\n\u706f\u5e26WS2812B（60\u706f\/\u7c73）\u4f9d\u5de5\u6bb5\u6570\u5355\u603b\u7ebf\u63a7\u5236，\u6bcf\u706f\u72ec\u7acb\u5bfb\u5740
\n\u7535\u673a\u9a71\u52a8DRV8833\u4f9d\u7535\u673a\u6570\u53cc\u8defH\u6865，\u9a71\u52a8\u5fae\u578b\u76f4\u6d41\u7535\u673a
\n\u7535\u6e9024V\u21925V\/3.3V\u9694\u79bb\u6a21\u57571\u9694\u79bb\u4f9b\u7535，\u964d\u4f4e\u7535\u673a\u5bf9\u63a7\u5236\u5668\u7684\u5e72\u6270
\n\u4e2d\u63a7\u5c4f7\u5bf8\u4e32\u53e3\u5c4f1\u652f\u6301Modbus RTU\u534f\u8bae
\n2.3 GPIO\u5206\u914d\u8868
\n\u7aef\u53e3\u529f\u80fd\u8bf4\u660e
\nPA9\/PA10USART1\u4e0e\u4e2d\u63a7\u5c4fRS485\u901a\u8baf
\nPA2\/PA3USART2\u9884\u7559\u8c03\u8bd5\u4e32\u53e3
\nPA0\u78e8\u7164\u673a\u7535\u673aPWM\u8c03\u901f
\nPA1\u7ed9\u7164\u673a\u7535\u673aPWM\u8c03\u901f
\nPA2\u4e00\u6b21\u98ce\u673a\u7535\u673aPWM\u8c03\u901f
\nPA3\u6c7d\u8f6e\u673a\u8f6c\u5b50\u7535\u673aPWM\u8c03\u901f
\nPA4\u76ae\u5e26\u8f93\u9001\u673a\u7535\u673aPWM\u8c03\u901f
\nPB0\u7164\u6d41\u706f\u5e26WS2812B\u6570\u636e\u7ebf
\nPB1\u84b8\u6c7d\u706f\u5e26WS2812B\u6570\u636e\u7ebf（\u7ea2\u8272\u2192\u6a59\u8272\u2192\u84dd\u8272）
\nPB2\u70df\u6c14\u706f\u5e26WS2812B\u6570\u636e\u7ebf（\u9ec4\u8272\u2192\u900f\u660e）
\nPB3\u7535\u529b\u8f93\u51fa\u706f\u5e26WS2812B\u6570\u636e\u7ebf（\u7eff\u8272）
\n\u4e09\u3001Modbus\u5bc4\u5b58\u5668\u6620\u5c04\u8bbe\u8ba1
\n\u4ee5\u4e0b\u4e3a\u706b\u529b\u53d1\u7535\u53826\u9636\u6bb5\u51b7\u542f\u52a8\u6d41\u7a0b\u7684\u5bc4\u5b58\u5668\u5b9a\u4e49（\u517128\u4e2a\u4fdd\u6301\u5bc4\u5b58\u5668）：<\/p>\n

3.1 \u7cfb\u7edf\u63a7\u5236\u5bc4\u5b58\u5668（40001-40008）
\n\u5bc4\u5b58\u5668\u5730\u5740\u504f\u79fb\u5730\u5740\u529f\u80fd\u6570\u636e\u7c7b\u578b\u8bfb\u5199\u53d6\u503c\u8303\u56f4\u8bf4\u660e
\n400010×0000\u7cfb\u7edf\u542f\u505cbitR\/W0\/10=\u505c\u6b62，1=\u542f\u52a8
\n400020×0001\u901f\u5ea6\u6863\u4f4duint16R\/W1-5\u6863\u4f4d\u8d8a\u9ad8，\u6d41\u7a0b\u6f14\u793a\u8d8a\u5feb
\n400030×0002\u5f53\u524d\u9636\u6bb5uint16R0-60=\u505c\u6b62，1-6=\u5f53\u524d\u6267\u884c\u9636\u6bb5
\n400040×0003\u5faa\u73af\u6a21\u5f0fuint16R\/W0\/10=\u5355\u6b21，1=\u65e0\u9650\u5faa\u73af
\n400050×0004\u5355\u6b65\u89e6\u53d1bitR\/W0\/1\u51991\u6267\u884c\u4e0b\u4e00\u6b65，\u81ea\u52a8\u5f520
\n400060×0005\u5de5\u51b5\u5207\u6362uint16R\/W1-41=\u51b7\u6001\u542f\u52a8，2=\u6b63\u5e38\u8fd0\u884c，3=\u6545\u969c\u6a21\u62df，4=\u505c\u673a\u68c0\u4fee
\n400070×0006\u7cfb\u7edf\u72b6\u6001uint16R0-30=\u505c\u6b62，1=\u8fd0\u884c\u4e2d，2=\u6682\u505c，3=\u6545\u969c
\n400080×0007\u6545\u969c\u4ee3\u7801uint16R0-990=\u65e0\u6545\u969c，\u975e0=\u5177\u4f53\u6545\u969c\u7801
\n3.2 \u8bbe\u5907\u72ec\u7acb\u63a7\u5236\u5bc4\u5b58\u5668（40009-40015）
\n\u5bc4\u5b58\u5668\u5730\u5740\u504f\u79fb\u5730\u5740\u529f\u80fd\u6570\u636e\u7c7b\u578b\u8bfb\u5199\u8bf4\u660e
\n400090×0008\u78e8\u7164\u673a\u542f\u505cbitR\/W1=\u8fd0\u884c（\u4ec5\u5f53\u603b\u542f\u505c=1\u65f6\u6709\u6548）
\n400100×0009\u7ed9\u7164\u673a\u542f\u505cbitR\/W\u540c\u4e0a
\n400110x000A\u4e00\u6b21\u98ce\u673a\u542f\u505cbitR\/W\u540c\u4e0a
\n400120x000B\u6c7d\u8f6e\u673a\u542f\u505cbitR\/W\u540c\u4e0a
\n400130x000C\u53d1\u7535\u673a\u542f\u505cbitR\/W\u540c\u4e0a
\n400140x000D\u76ae\u5e26\u8f93\u9001\u673a\u542f\u505cbitR\/W\u540c\u4e0a
\n400150x000E\u8131\u786b\u7cfb\u7edf\u542f\u505cbitR\/W\u540c\u4e0a
\n3.3 \u8fd0\u884c\u53c2\u6570\u5bc4\u5b58\u5668（40016-40028）
\n\u5bc4\u5b58\u5668\u5730\u5740\u504f\u79fb\u5730\u5740\u529f\u80fd\u6570\u636e\u7c7b\u578b\u8bfb\u5199\u8bf4\u660e
\n40016-400210x000F-0x0014\u5404\u9636\u6bb5\u8fd0\u884c\u65f6\u95f4uint16R\u79d2，\u8fd4\u56de\u5f53\u524d\u9636\u6bb5\u5df2\u8fd0\u884c\u65f6\u95f4
\n40022-400270×0015-0x001A\u5404\u9636\u6bb5\u901f\u5ea6\u7cfb\u6570uint16R\/W1-100，\u8c03\u8282\u5404\u9636\u6bb5\u6f14\u793a\u901f\u5ea6
\n400280x001B\u56fa\u4ef6\u7248\u672cuint16R\u53ea\u8bfb
\n\u56db\u3001\u6838\u5fc3\u4ee3\u7801\u5b9e\u73b0
\n4.1 Modbus\u4ece\u7ad9\u521d\u59cb\u5316\u4e0e\u5bc4\u5b58\u5668\u56de\u8c03
\ncpp
\n#include \u201cModbusRTU.h\u201d
\n#include \u201cAdafruit_NeoPixel.h\u201d<\/p>\n

#define SLAVE_ID 1
\n#define BAUD_RATE 9600<\/p>\n

\/\/ \u7535\u673aGPIO\u5b9a\u4e49
\n#define MOTOR_MILL PA0 \/\/ \u78e8\u7164\u673a
\n#define MOTOR_FEEDER PA1 \/\/ \u7ed9\u7164\u673a
\n#define MOTOR_FAN PA2 \/\/ \u4e00\u6b21\u98ce\u673a
\n#define MOTOR_TURBINE PA3 \/\/ \u6c7d\u8f6e\u673a\u8f6c\u5b50
\n#define MOTOR_CONVEYOR PA4 \/\/ \u76ae\u5e26\u8f93\u9001\u673a<\/p>\n

\/\/ \u706f\u5e26GPIO\u5b9a\u4e49（WS2812B）
\n#define LED_COAL PB0 \/\/ \u7164\u6d41
\n#define LED_STEAM PB1 \/\/ \u84b8\u6c7d
\n#define LED_GAS PB2 \/\/ \u70df\u6c14
\n#define LED_POWER PB3 \/\/ \u7535\u529b\u8f93\u51fa<\/p>\n

#define STAGE_NUM 6
\n#define LED_NUM 4<\/p>\n

ModbusRTU mb;
\nuint16_t holdingRegs[28] = {0};<\/p>\n

uint16_t stageDurations[STAGE_NUM] = {5000, 4000, 6000, 3000, 4000, 3000};
\nuint16_t baseDurations[STAGE_NUM] = {5000, 4000, 6000, 3000, 4000, 3000};<\/p>\n

enum SystemState { STOPPED, RUNNING, PAUSED, FAULT };
\nSystemState currentState = STOPPED;
\nvolatile uint8_t currentStage = 0;
\nvolatile unsigned long stageStartTime = 0;
\nvolatile uint16_t stageElapsedMs = 0;<\/p>\n

Adafruit_NeoPixel stripCoal(LED_COUNT, LED_COAL, NEO_GRB + NEO_KHZ800);
\nAdafruit_NeoPixel stripSteam(LED_COUNT, LED_STEAM, NEO_GRB + NEO_KHZ800);
\nAdafruit_NeoPixel stripGas(LED_COUNT, LED_GAS, NEO_GRB + NEO_KHZ800);
\nAdafruit_NeoPixel stripPower(LED_COUNT, LED_POWER, NEO_GRB + NEO_KHZ800);<\/p>\n

void setup() {
\nSystemClock_Config(); \/\/ 72MHz
\nSerial1.begin(BAUD_RATE);
\nmb.begin(&Serial1);
\nmb.slave(SLAVE_ID);
\nmb.addHreg(0, holdingRegs, 28);<\/p>\n

mb.onGet(handleRead);
\nmb.onSet(handleWrite);<\/p>\n

pinMode(MOTOR_MILL, OUTPUT);
\npinMode(MOTOR_FEEDER, OUTPUT);
\npinMode(MOTOR_FAN, OUTPUT);
\npinMode(MOTOR_TURBINE, OUTPUT);
\npinMode(MOTOR_CONVEYOR, OUTPUT);<\/p>\n

stripCoal.begin(); stripCoal.show();
\nstripSteam.begin(); stripSteam.show();
\nstripGas.begin(); stripGas.show();
\nstripPower.begin(); stripPower.show();<\/p>\n

Timer1.initialize(1000);
\nTimer1.attachInterrupt(stateMachineTick);<\/p>\n

}<\/p>\n

void loop() {
\nmb.task();
\n}
\n4.2 \u72b6\u6001\u673a\u8c03\u5ea6\u6838\u5fc3（\u51b7\u542f\u52a86\u9636\u6bb5\u65f6\u5e8f）
\ncpp
\nvoid stateMachineTick() {
\nif (currentState != RUNNING) return;<\/p>\n

stageElapsedMs++;<\/p>\n

if (stageElapsedMs >= stageDurations[currentStage]) {
\n stageElapsedMs = 0;
\n currentStage++;<\/p>\n

if (currentStage >= STAGE_NUM) {
\n if (holdingRegs[3] == 1) {
\n currentStage = 0;
\n } else {
\n currentState = STOPPED;
\n holdingRegs[0] = 0;
\n allMotorsStop();
\n allLightsOff();
\n return;
\n }
\n }<\/p>\n

switchStage(currentStage);
\n holdingRegs[2] = currentStage + 1;
\n}<\/p>\n

}<\/p>\n

void switchStage(uint8_t stage) {
\nallMotorsStop();
\nallLightsOff();<\/p>\n

switch(stage) {
\n case 0: \/\/ \u70b9\u706b\u6cb9\u67aa\u542f\u52a8
\n analogWrite(MOTOR_FAN, 80);
\n flowLight(stripGas, 0xFF4400, 800);
\n break;
\n case 1: \/\/ \u7089\u819b\u5347\u6e29
\n analogWrite(MOTOR_FAN, 120);
\n analogWrite(MOTOR_FEEDER, 60);
\n flowLight(stripGas, 0xFF8800, 600);
\n break;
\n case 2: \/\/ \u6295\u5165\u7164\u7c89
\n analogWrite(MOTOR_MILL, 150);
\n analogWrite(MOTOR_FEEDER, 120);
\n analogWrite(MOTOR_FAN, 180);
\n flowLight(stripCoal, 0x8B4513, 500);
\n flowLight(stripGas, 0xFFAA00, 400);
\n break;
\n case 3: \/\/ \u9505\u7089\u5347\u538b
\n analogWrite(MOTOR_FAN, 200);
\n analogWrite(MOTOR_MILL, 180);
\n analogWrite(MOTOR_FEEDER, 160);
\n flowLight(stripSteam, 0xFF0000, 300);
\n break;
\n case 4: \/\/ \u6c7d\u673a\u51b2\u8f6c
\n analogWrite(MOTOR_TURBINE, 100);
\n flowLight(stripSteam, 0xFF4400, 200);
\n break;
\n case 5: \/\/ \u5e76\u7f51\u53d1\u7535
\n analogWrite(MOTOR_TURBINE, 220);
\n flowLight(stripPower, 0x00FF00, 100);
\n flowLight(stripSteam, 0x4488FF, 150);
\n break;
\n}<\/p>\n

}<\/p>\n

void flowLight(Adafruit_NeoPixel &strip, uint32_t color, int duration) {
\nint len = strip.numPixels();
\nint steps = 20;
\nfor (int step = 0; step < steps; step++) {
\nstrip.clear();
\nint pos = (len * step) \/ steps;
\nstrip.setPixelColor(pos, color);
\nif (pos > 0) strip.setPixelColor(pos-1, color);
\nstrip.show();
\ndelay(duration \/ steps);
\n}
\n}<\/p>\n

void allMotorsStop() {
\nanalogWrite(MOTOR_MILL, 0);
\nanalogWrite(MOTOR_FEEDER, 0);
\nanalogWrite(MOTOR_FAN, 0);
\nanalogWrite(MOTOR_TURBINE, 0);
\nanalogWrite(MOTOR_CONVEYOR, 0);
\n}<\/p>\n

void allLightsOff() {
\nstripCoal.clear(); stripCoal.show();
\nstripSteam.clear(); stripSteam.show();
\nstripGas.clear(); stripGas.show();
\nstripPower.clear(); stripPower.show();
\n}
\n\u4e94\u3001\u5173\u952e\u6280\u672f\u7ec6\u8282
\n5.1 \u591a\u8def\u7535\u673aPWM\u8c03\u901f\u4e0e\u540c\u6b65
\n\u7535\u673a\u7535\u6e90\u7aef\u5e76\u8054100\u03bcF\u7535\u5bb9\u51cf\u5c11\u542f\u52a8\u51b2\u51fb；\u7535\u673a\u7535\u6e90\u4e0e\u63a7\u5236\u7535\u6e90\u72ec\u7acb\u4f9b\u7535，\u907f\u514d\u7535\u538b\u8dcc\u843d\u5f71\u54cdSTM32；DRV8833\u7684VREF\u5f15\u811a\u914d\u7f6e\u5408\u9002\u53c2\u8003\u7535\u538b\u9650\u5236\u6700\u5927\u7535\u6d41\u3002<\/p>\n

5.2 \u591a\u6bb5\u706f\u5e26\u72ec\u7acb\u63a7\u5236\u4e0e\u989c\u8272\u7ba1\u7406
\nWS2812B\u6bcf\u7c73\u706f\u5e26\u7ea6\u6d88\u80170.3A\u7535\u6d41（\u5168\u4eae\u767d\u8272），\u957f\u5ea6\u8d85\u8fc75\u7c73\u65f6\u5efa\u8bae\u4e24\u7aef\u540c\u65f6\u4f9b\u7535；\u706f\u5e26\u4fe1\u53f7\u7ebf\u4e32\u8054100-220\u03a9\u7535\u963b\u51cf\u5c11\u4fe1\u53f7\u53cd\u5c04\u3002<\/p>\n

5.3 \u51b7\u542f\u52a8\u5168\u6d41\u7a0b\u7684\u5de5\u51b5\u5207\u6362
\n\u6a21\u5f0f\u5bc4\u5b58\u5668\u503c\u6f14\u793a\u5185\u5bb9
\n\u51b7\u6001\u542f\u52a81\u4ece\u70b9\u706b\u6cb9\u67aa\u5230\u5e76\u7f51\u53d1\u7535\u7684\u5b8c\u6574\u65f6\u5e8f
\n\u6b63\u5e38\u8fd0\u884c2\u5168\u6d41\u7a0b\u5faa\u73af\u6f14\u793a，\u5404\u9636\u6bb5\u901f\u5ea6\u53ef\u8c03
\n\u6545\u969c\u6a21\u62df3\u6a21\u62df\u8bbe\u5907\u6545\u969c，\u706f\u5149\u505c\u7559\u5e76\u95ea\u70c1\u62a5\u8b66
\n\u505c\u673a\u68c0\u4fee4\u9010\u6b65\u505c\u673a\u6f14\u793a
\n5.4 \u901a\u8baf\u5f02\u5e38\u5904\u7406
\n\u7b56\u7565\u5b9e\u73b0\u65b9\u5f0f\u9002\u7528\u573a\u666f
\n\u4fdd\u6301\u5f53\u524d\u72b6\u6001\u4e0d\u6539\u53d8\u8f93\u51fa，\u7b49\u5f85\u901a\u8baf\u6062\u590d\u5c55\u5385\u6f14\u793a
\n\u81ea\u52a8\u505c\u6b62\u8d85\u65f6\u540e\u81ea\u52a8\u505c\u6b62\u6240\u6709\u52a8\u4f5c\u5b89\u5168\u8981\u6c42\u8f83\u9ad8
\n\u72b6\u6001\u4e0a\u62a5\u5411\u4e0a\u4f4d\u673a\u53d1\u9001\u6545\u969c\u7801\u8fdc\u7a0b\u76d1\u63a7
\n\u516d\u3001\u73b0\u573a\u8c03\u8bd5\u8981\u70b9
\n6.1 \u901a\u8baf\u5f02\u5e38\u6392\u67e5
\n\u73b0\u8c61\u89e3\u51b3\u65b9\u6848
\n\u8d85\u65f6\u65e0\u54cd\u5e94\u63a5\u5165120\u03a9\u7ec8\u7aef\u7535\u963b，\u68c0\u67e5A\/B\u7ebf\u5e8f
\n\u90e8\u5206\u6307\u4ee4\u65e0\u54cd\u5e94\u786e\u8ba4SLAVE_ID\u4e0e\u4e2d\u63a7\u5c4f\u8bbe\u7f6e\u4e00\u81f4
\n\u6570\u636e\u9519\u4e71\u786e\u8ba4\u6ce2\u7279\u7387\/\u505c\u6b62\u4f4d\/\u6821\u9a8c\u4f4d\u8bbe\u7f6e
\n\u901a\u8baf\u4e0d\u7a33\u5b9a\u4f7f\u7528\u5c4f\u853d\u53cc\u7ede\u7ebf，\u4e0e\u52a8\u529b\u7ebf\u5206\u79bb\u5e03\u7ebf
\n6.2 \u7535\u673a\u52a8\u4f5c\u5f02\u5e38\u6392\u67e5
\n\u73b0\u8c61\u89e3\u51b3\u65b9\u6848
\n\u7535\u673a\u4e0d\u8f6c\u68c0\u67e5DRV8833\u4f9b\u7535，\u786e\u8ba4EN\u5f15\u811a\u7535\u5e73
\n\u7535\u673a\u8f6c\u901f\u4e0d\u7a33\u786e\u8ba4PWM\u9891\u7387\u22651kHz
\n\u7535\u673a\u65b9\u5411\u9519\u8bef\u68c0\u67e5IN1\/IN2\u903b\u8f91\u7535\u5e73
\n\u591a\u7535\u673a\u4e92\u76f8\u5e72\u6270\u5404\u7535\u673a\u7535\u6e90\u72ec\u7acb\u8d70\u7ebf，\u589e\u52a0\u6ee4\u6ce2\u7535\u5bb9
\n6.3 \u706f\u5e26\u5f02\u5e38\u6392\u67e5
\n\u73b0\u8c61\u89e3\u51b3\u65b9\u6848
\n\u706f\u5e26\u5168\u4eae\u767d\u5149\u91cd\u65b0\u710a\u63a5\u6570\u636e\u7ebf
\n\u989c\u8272\u504f\u8272\u6d4b\u91cf\u672b\u7aef\u7535\u538b，<4.8V\u9700\u589e\u52a0\u4f9b\u7535\u70b9
\n\u9996\u706f\u6b63\u5e38\u540e\u7eed\u4e0d\u4eae\u786e\u8ba4\u7cfb\u7edf\u65f6\u949f72MHz
\n6.4 \u8c03\u8bd5\u5de5\u5177\u63a8\u8350
\n\u8c03\u8bd5\u9636\u6bb5\u63a8\u8350\u4f7f\u7528Modbus Poll（Windows）\u4f5c\u4e3a\u4e3b\u7ad9\u8c03\u8bd5\u5de5\u5177，\u914d\u5408USB\u8f6cRS485\u8f6c\u6362\u5668\u8fde\u63a5\u76ee\u6807\u677f\u3002\u901a\u8baf\u6b63\u5e38\u540e，\u4f9d\u6b21\u6d4b\u8bd5\u5404\u5bc4\u5b58\u5668\u7684\u8bfb\u5199\u529f\u80fd，\u786e\u8ba4\u5355\u8def\u63a7\u5236\u6b63\u5e38\u540e\u518d\u8fdb\u884c\u8054\u8c03\u3002<\/p>\n

\u4e03\u3001\u4ea4\u4ed8\u4fdd\u969c：\u7b51\u57ce\u4e16\u7eaa\u5728\u706b\u529b\u53d1\u7535\u5382\u6a21\u578b\u65b9\u5411\u7684\u670d\u52a1\u80fd\u529b
\n\u706b\u529b\u53d1\u7535\u5382\u6a21\u578b\u7684\u6280\u672f\u96be\u70b9\u5728\u4e8e\u51b7\u542f\u52a8\u5168\u6d41\u7a0b\u65f6\u5e8f\u534f\u540c\u548c\u591a\u7cfb\u7edf\u80fd\u91cf\u8f6c\u6362\u8def\u5f84\u8fd8\u539f\u3002\u7b51\u57ce\u4e16\u7eaa\u6a21\u578b\u5728\u5de5\u4e1a\u6c99\u76d8\u63a7\u5236\u7cfb\u7edf\u65b9\u5411\u5df2\u6709\u6210\u719f\u7684\u6280\u672f\u79ef\u7d2f，\u5177\u5907\u4ee5\u4e0b\u4e09\u9879\u6838\u5fc3\u4ea4\u4ed8\u80fd\u529b：<\/p>\n

  • \u56fe\u7eb8\u7cbe\u51c6\u8fd8\u539f\u80fd\u529b<\/li>\n

    \u6280\u672f\u56e2\u961f\u5177\u5907\u5bf9\u63a5\u7535\u5382\u8bbe\u8ba1\u56fe\u7eb8\u7684\u80fd\u529b，\u80fd\u591f\u6309\u56fe\u7eb8\u7cbe\u786e\u8fd8\u539f\u9505\u7089\u3001\u6c7d\u8f6e\u673a\u3001\u53d1\u7535\u673a\u7b49\u6838\u5fc3\u8bbe\u5907\u7684\u5f62\u6001\u3001\u7a7a\u95f4\u5e03\u5c40\u548c\u5185\u90e8\u7ed3\u6784\u3002\u8bbe\u5907\u5f62\u6001\u6309\u56fe\u7eb8\u6bd4\u4f8b\u7f29\u5c3a，\u5de5\u827a\u6d41\u7a0b\u6309\u56fe\u65bd\u5de5，\u53ef\u7b7e\u7f72\u6280\u672f\u56fe\u7eb8\u786e\u8ba4\u5355\u3002<\/p>\n

  • \u51b7\u542f\u52a8\u5168\u6d41\u7a0b\u65f6\u5e8f\u63a7\u5236\u80fd\u529b<\/li>\n

    \u7b51\u57ce\u4e16\u7eaa\u5df2\u4e3a\u534e\u5317\u7535\u529b\u5927\u5b66\u5b9a\u5236\u706b\u7535\u539f\u7406\u6559\u5b66\u6c99\u76d8，\u4e3a\u56fd\u673a\u96c6\u56e2\u67ec\u57d4\u5be8\u71c3\u673a\u8054\u5408\u5faa\u73af\u7535\u7ad9\u4ea4\u4ed86\u7ea7\u706f\u5149\u8054\u52a8\u300165\u7c73\u706f\u5e26\u6c99\u76d8\u3002\u63a7\u5236\u7cfb\u7edf\u652f\u6301\u89e6\u6478\u5c4f\u4e00\u952e\u5207\u6362\u201c\u51b7\u6001\u542f\u52a8\u201d\u201c\u6b63\u5e38\u8fd0\u884c\u201d\u201c\u6545\u969c\u6a21\u62df\u201d\u201c\u505c\u673a\u68c0\u4fee\u201d\u591a\u79cd\u5de5\u51b5\u3002\u5df2\u4ea4\u4ed8\u9879\u76ee\u9a8c\u8bc1\u7684\u6838\u5fc3\u80fd\u529b，\u4e0e\u706b\u529b\u53d1\u7535\u5382\u6a21\u578b\u7684\u63a7\u5236\u9700\u6c42\u4e00\u81f4\u3002<\/p>\n

  • \u5168\u6d41\u7a0b\u81ea\u4e3b\u4ea4\u4ed8\u80fd\u529b<\/li>\n

    2000\u33a1\u5236\u4f5c\u5de5\u5382，\u8bbe\u8ba1\u30013D\u6253\u5370\u3001CNC\u52a0\u5de5\u3001\u55b7\u6d82\u3001\u7ec4\u88c5\u3001\u63a7\u5236\u7cfb\u7edf\u7f16\u7a0b\u5168\u90e8\u81ea\u4e3b\u5b8c\u6210，\u4e0d\u5916\u5305\u3002\u7b7e\u7ea6\u524d\u51fa\u5177\u300a\u6a21\u578b\u5236\u4f5c\u5de5\u827a\u8bf4\u660e\u300b，\u96f6\u589e\u9879\u627f\u8bfa\u5199\u5165\u5408\u540c\u3002\u5236\u4f5c\u5468\u671f30\u5929，\u53ef\u63d0\u4f9b\u5236\u4f5c\u8fc7\u7a0b\u89c6\u9891\u53ca\u73b0\u573a\u7167\u7247\u9a8c\u8bc1\u3002\u6709\u56fe\u7eb8\u5c31\u80fd\u505a\u3002<\/p>\n

    \u516b\u3001\u603b\u7ed3
    \n\u706b\u529b\u53d1\u7535\u5382\u6a21\u578b\u63a7\u5236\u7cfb\u7edf\u7684\u8bbe\u8ba1，\u6838\u5fc3\u5728\u4e8e\u4e09\u4e2a\u5c42\u9762：<\/p>\n

  • \n

    \u51b7\u542f\u52a8\u5168\u6d41\u7a0b\u65f6\u5e8f\u534f\u540c\u662f\u6838\u5fc3\u3002 \u91c7\u7528\u72b6\u6001\u673a\u7f16\u7a0b，\u5c06\u6bcf\u4e2a\u9636\u6bb5\u5b9a\u4e49\u4e3a\u72ec\u7acb\u72b6\u6001，\u5404\u9636\u6bb5\u4e4b\u95f4\u901a\u8fc7\u65f6\u5e8f\u8ba1\u6570\u5668\u89e6\u53d1\u5207\u6362，\u53ef\u72ec\u7acb\u8c03\u8bd5\u540e\u518d\u8054\u8c03\u3002<\/p>\n<\/li>\n

  • \n

    \u63a7\u5236\u7cfb\u7edf\u7684\u81ea\u4e3b\u53ef\u63a7\u662f\u5173\u952e\u3002 \u81ea\u4e3b\u7814\u53d1\u7684\u63a7\u5236\u7cfb\u7edf\u624d\u80fd\u505a\u5230\u540e\u671f\u968f\u65f6\u4fee\u6539\u65f6\u5e8f\u903b\u8f91，\u65b0\u589e\u6f14\u793a\u6a21\u5f0f，\u65e0\u9700\u4f9d\u8d56\u7b2c\u4e09\u65b9\u3002<\/p>\n<\/li>\n

  • \n

    Modbus RTU\u4e3a\u7cfb\u7edf\u6269\u5c55\u9884\u7559\u7a7a\u95f4\u3002 \u652f\u6301\u63a5\u5165DCS\/PLC\u4eff\u771f\u5e73\u53f0\u3001\u6570\u5b57\u5b6a\u751f\u7cfb\u7edf，\u5373\u4f7f\u5f53\u524d\u53ea\u5bf9\u63a5\u4e2d\u63a7\u5c4f，\u4e5f\u4e3a\u540e\u7eed\u6269\u5c55\u9884\u7559\u4e86\u901a\u9053\u3002<\/p>\n<\/li>\n

    \u7b51\u57ce\u4e16\u7eaa\u6a21\u578b\u7684\u5de5\u4e1a\u6c99\u76d8\u63a7\u5236\u7cfb\u7edf\u65b9\u6848，\u57fa\u4e8eSTM32\u5e73\u53f0\u81ea\u4e3b\u7814\u53d1，\u652f\u6301Modbus RTU\u534f\u8bae，\u5df2\u5728\u591a\u5957\u5de5\u4e1a\u6c99\u76d8\u9879\u76ee\u4e2d\u5b8c\u6210\u90e8\u7f72\u9a8c\u8bc1\u3002\u63a7\u5236\u7cfb\u7edf\u652f\u6301\u591a\u8def\u7535\u673a\u72ec\u7acb\u63a7\u5236\u3001\u591a\u6bb5\u706f\u5e26\u65f6\u5e8f\u8054\u52a8\u3001\u591a\u5de5\u51b5\u6a21\u5f0f\u5207\u6362，\u540e\u671f\u53ef\u6839\u636e\u5de5\u827a\u8c03\u6574\u9700\u6c42\u968f\u65f6\u4fee\u6539\u65f6\u5e8f\u903b\u8f91\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

    \u706b\u529b\u53d1\u7535\u5382\u6a21\u578b\u6d89\u53ca\u9505\u7089\u7cfb\u7edf（\u78e8\u7164\u673a\u3001\u7ed9\u7164\u673a\u3001\u71c3\u70e7\u5668\u3001\u7089\u819b\u3001\u6c34\u51b7\u58c1\u3001\u6c7d\u5305\u3001\u8fc7\u70ed\u5668\u3001\u7701\u7164\u5668\u3001\u7a7a\u6c14\u9884\u70ed\u5668）\u3001\u6c7d\u8f6e\u53d1\u7535\u673a\u7ec4（\u9ad8\u538b\u7f38\u3001\u4e2d\u538b\u7f38\u3001\u4f4e\u538b\u7f38\u3001\u8f6c\u5b50\u3001\u53f6\u7247\u3001\u53d1\u7535\u673a\u3001\u51dd\u6c7d\u5668\u3001\u51b7\u5374\u5854）\u3001\u8131\u786b\u8131\u785d\u7cfb\u7edf（SCR\u53cd\u5e94\u5668\u3001\u7535\u9664\u5c18\u5668\u3001\u8131\u786b\u5854\u3001GGH\u3001\u70df\u56f1）\u3001\u8f93\u7164\u4e0e\u9664\u7070\u7cfb\u7edf\u3001\u5347\u538b\u7ad9\u4e0e\u5e76\u7f51\u7cfb\u7edf\u7b49\u591a\u4e2a\u8bbe\u5907\u7fa4\u7ec4\u7684\u534f\u540c\u52a8\u4f5c\u3002\u4e00\u5957\u5b8c\u6574\u7684\u706b\u529b\u53d1\u7535\u5382\u6a21\u578b\u63a7\u5236\u7cfb\u7edf，\u9700\u8981\u7cbe\u786e\u8868\u8fbe\u4ece\u201c\u7164\u7c89\u5236\u5907\u2192\u9505\u7089\u71c3\u70e7\u2192\u84b8\u6c7d\u63a8\u52a8\u6c7d\u8f6e\u673a<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[217,183,269],"topic":[],"class_list":["post-87332","post","type-post","status-publish","format-standard","hentry","category-server","tag-stm32","tag-unity","tag-269"],"yoast_head":"\n\u706b\u529b\u53d1\u7535\u5382\u6a21\u578b\u591a\u8bbe\u5907\u65f6\u5e8f\u63a7\u5236\u7cfb\u7edf\u8bbe\u8ba1\uff1a\u57fa\u4e8eSTM32\u4e0eModbus RTU\u7684\u51b7\u542f\u52a8\u5168\u6d41\u7a0b\u65b9\u6848 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/87332.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u706b\u529b\u53d1\u7535\u5382\u6a21\u578b\u591a\u8bbe\u5907\u65f6\u5e8f\u63a7\u5236\u7cfb\u7edf\u8bbe\u8ba1\uff1a\u57fa\u4e8eSTM32\u4e0eModbus RTU\u7684\u51b7\u542f\u52a8\u5168\u6d41\u7a0b\u65b9\u6848 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u706b\u529b\u53d1\u7535\u5382\u6a21\u578b\u6d89\u53ca\u9505\u7089\u7cfb\u7edf（\u78e8\u7164\u673a\u3001\u7ed9\u7164\u673a\u3001\u71c3\u70e7\u5668\u3001\u7089\u819b\u3001\u6c34\u51b7\u58c1\u3001\u6c7d\u5305\u3001\u8fc7\u70ed\u5668\u3001\u7701\u7164\u5668\u3001\u7a7a\u6c14\u9884\u70ed\u5668）\u3001\u6c7d\u8f6e\u53d1\u7535\u673a\u7ec4（\u9ad8\u538b\u7f38\u3001\u4e2d\u538b\u7f38\u3001\u4f4e\u538b\u7f38\u3001\u8f6c\u5b50\u3001\u53f6\u7247\u3001\u53d1\u7535\u673a\u3001\u51dd\u6c7d\u5668\u3001\u51b7\u5374\u5854）\u3001\u8131\u786b\u8131\u785d\u7cfb\u7edf（SCR\u53cd\u5e94\u5668\u3001\u7535\u9664\u5c18\u5668\u3001\u8131\u786b\u5854\u3001GGH\u3001\u70df\u56f1）\u3001\u8f93\u7164\u4e0e\u9664\u7070\u7cfb\u7edf\u3001\u5347\u538b\u7ad9\u4e0e\u5e76\u7f51\u7cfb\u7edf\u7b49\u591a\u4e2a\u8bbe\u5907\u7fa4\u7ec4\u7684\u534f\u540c\u52a8\u4f5c\u3002\u4e00\u5957\u5b8c\u6574\u7684\u706b\u529b\u53d1\u7535\u5382\u6a21\u578b\u63a7\u5236\u7cfb\u7edf，\u9700\u8981\u7cbe\u786e\u8868\u8fbe\u4ece\u201c\u7164\u7c89\u5236\u5907\u2192\u9505\u7089\u71c3\u70e7\u2192\u84b8\u6c7d\u63a8\u52a8\u6c7d\u8f6e\u673a\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/87332.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-07-29T23:25:19+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/87332.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/87332.html\",\"name\":\"\u706b\u529b\u53d1\u7535\u5382\u6a21\u578b\u591a\u8bbe\u5907\u65f6\u5e8f\u63a7\u5236\u7cfb\u7edf\u8bbe\u8ba1\uff1a\u57fa\u4e8eSTM32\u4e0eModbus RTU\u7684\u51b7\u542f\u52a8\u5168\u6d41\u7a0b\u65b9\u6848 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2026-07-29T23:25:19+00:00\",\"dateModified\":\"2026-07-29T23:25:19+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/87332.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/87332.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/87332.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u706b\u529b\u53d1\u7535\u5382\u6a21\u578b\u591a\u8bbe\u5907\u65f6\u5e8f\u63a7\u5236\u7cfb\u7edf\u8bbe\u8ba1\uff1a\u57fa\u4e8eSTM32\u4e0eModbus RTU\u7684\u51b7\u542f\u52a8\u5168\u6d41\u7a0b\u65b9\u6848\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u706b\u529b\u53d1\u7535\u5382\u6a21\u578b\u591a\u8bbe\u5907\u65f6\u5e8f\u63a7\u5236\u7cfb\u7edf\u8bbe\u8ba1\uff1a\u57fa\u4e8eSTM32\u4e0eModbus RTU\u7684\u51b7\u542f\u52a8\u5168\u6d41\u7a0b\u65b9\u6848 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/87332.html","og_locale":"zh_CN","og_type":"article","og_title":"\u706b\u529b\u53d1\u7535\u5382\u6a21\u578b\u591a\u8bbe\u5907\u65f6\u5e8f\u63a7\u5236\u7cfb\u7edf\u8bbe\u8ba1\uff1a\u57fa\u4e8eSTM32\u4e0eModbus RTU\u7684\u51b7\u542f\u52a8\u5168\u6d41\u7a0b\u65b9\u6848 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"\u706b\u529b\u53d1\u7535\u5382\u6a21\u578b\u6d89\u53ca\u9505\u7089\u7cfb\u7edf（\u78e8\u7164\u673a\u3001\u7ed9\u7164\u673a\u3001\u71c3\u70e7\u5668\u3001\u7089\u819b\u3001\u6c34\u51b7\u58c1\u3001\u6c7d\u5305\u3001\u8fc7\u70ed\u5668\u3001\u7701\u7164\u5668\u3001\u7a7a\u6c14\u9884\u70ed\u5668）\u3001\u6c7d\u8f6e\u53d1\u7535\u673a\u7ec4（\u9ad8\u538b\u7f38\u3001\u4e2d\u538b\u7f38\u3001\u4f4e\u538b\u7f38\u3001\u8f6c\u5b50\u3001\u53f6\u7247\u3001\u53d1\u7535\u673a\u3001\u51dd\u6c7d\u5668\u3001\u51b7\u5374\u5854）\u3001\u8131\u786b\u8131\u785d\u7cfb\u7edf（SCR\u53cd\u5e94\u5668\u3001\u7535\u9664\u5c18\u5668\u3001\u8131\u786b\u5854\u3001GGH\u3001\u70df\u56f1）\u3001\u8f93\u7164\u4e0e\u9664\u7070\u7cfb\u7edf\u3001\u5347\u538b\u7ad9\u4e0e\u5e76\u7f51\u7cfb\u7edf\u7b49\u591a\u4e2a\u8bbe\u5907\u7fa4\u7ec4\u7684\u534f\u540c\u52a8\u4f5c\u3002\u4e00\u5957\u5b8c\u6574\u7684\u706b\u529b\u53d1\u7535\u5382\u6a21\u578b\u63a7\u5236\u7cfb\u7edf，\u9700\u8981\u7cbe\u786e\u8868\u8fbe\u4ece\u201c\u7164\u7c89\u5236\u5907\u2192\u9505\u7089\u71c3\u70e7\u2192\u84b8\u6c7d\u63a8\u52a8\u6c7d\u8f6e\u673a","og_url":"https:\/\/www.wsisp.com\/helps\/87332.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2026-07-29T23:25:19+00:00","author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"4 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/87332.html","url":"https:\/\/www.wsisp.com\/helps\/87332.html","name":"\u706b\u529b\u53d1\u7535\u5382\u6a21\u578b\u591a\u8bbe\u5907\u65f6\u5e8f\u63a7\u5236\u7cfb\u7edf\u8bbe\u8ba1\uff1a\u57fa\u4e8eSTM32\u4e0eModbus RTU\u7684\u51b7\u542f\u52a8\u5168\u6d41\u7a0b\u65b9\u6848 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2026-07-29T23:25:19+00:00","dateModified":"2026-07-29T23:25:19+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/87332.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/87332.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/87332.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"\u706b\u529b\u53d1\u7535\u5382\u6a21\u578b\u591a\u8bbe\u5907\u65f6\u5e8f\u63a7\u5236\u7cfb\u7edf\u8bbe\u8ba1\uff1a\u57fa\u4e8eSTM32\u4e0eModbus RTU\u7684\u51b7\u542f\u52a8\u5168\u6d41\u7a0b\u65b9\u6848"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/87332","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=87332"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/87332\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=87332"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=87332"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=87332"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=87332"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}