"# 20\u5e74\u7ecf\u9a8c\u51dd\u805a\uff1aModbus\u8c03\u8bd5\u52a9\u624b\u4ecb\u7ecd\n\n> 2026-04-05 | 2026-04-05\n> https:\/\/www.modbus.cn\/en\/41657.html\n\n**Modbus\u8c03\u8bd5\u5de5\u5177**\n\n---\n\n\u6211\u7528 3 \u4e2a\u6708\uff0c\u628a 20 \u5e74\u7684\u5de5\u4e1a\u8c03\u8bd5\u7ecf\u9a8c\u505a\u6210\u4e86\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\n\n\u4ece Modbus \u8c03\u8bd5\u5230 PID \u6574\u5b9a\uff0c\u4ece\u4e32\u53e3\u901a\u4fe1\u5230\u4f20\u611f\u5668\u6807\u5b9a\uff0c\u8fd9\u6b3e\u5de5\u5177\u96c6\u6210\u4e86\u5de5\u7a0b\u5e08\u6700\u5e38\u7528\u7684 20+ \u4e13\u4e1a\u8ba1\u7b97\u5668\n\n## \u524d\u8a00\uff1a\u4e00\u4e2a\u5de5\u7a0b\u5e08\u7684\"\u6267\u5ff5\"\n\n\u6211\u662f\u4e00\u540d\u5de5\u4e1a\u81ea\u52a8\u5316\u5de5\u7a0b\u5e08\uff0c\u4ece\u4e1a 20 \u5e74\uff0c\u5f85\u8fc7\u8bbe\u5907\u5382\u5546\u3001\u96c6\u6210\u5546\uff0c\u4e5f\u505a\u8fc7\u7532\u65b9\u3002\n\n\u8fd9\u4e9b\u5e74\uff0c\u6211\u89c1\u8fc7\u592a\u591a\u5de5\u7a0b\u5e08\u5728\u73b0\u573a\u7684\"\u72fc\u72c8\"\uff1a\n\n- \u80cc\u7740\u5341\u51e0\u65a4\u91cd\u7684\u7535\u8111\u8dd1\u73b0\u573a\uff0c\u5c31\u4e3a\u4e86\u8c03\u8bd5\u4e00\u4e2a Modbus \u8bbe\u5907\n\n- \u5fd8\u5e26 USB \u8f6c\u4e32\u53e3\u7ebf\uff0c\u6574\u4e2a\u9879\u76ee\u505c\u5de5\u534a\u5929\n\n- \u7535\u8111\u4e0a\u7684\u8f6f\u4ef6\u8981\u6536\u8d39\uff0c\u7834\u89e3\u7248\u8fd8\u6015\u6709\u75c5\u6bd2\n\n- PID \u53c2\u6570\u4e0d\u4f1a\u6574\uff0c\u6253\u7535\u8bdd\u95ee\u5382\u5bb6\uff0c\u7b49\u534a\u5929\u56de\u590d\n\n- \u4f20\u611f\u5668\u6807\u5b9a\u9760\u624b\u7b97\uff0c\u8ba1\u7b97\u5668\u6309\u9519\u4e00\u6b21\uff0c\u5168\u90e8\u91cd\u6765\n\n**\u6700\u75db\u82e6\u7684\u4e00\u6b21**\uff0c\u662f\u67d0\u6b21\u6df1\u591c\u62a2\u4fee\u3002\u5ba2\u6237\u7684 PLC \u901a\u4fe1\u6545\u969c\uff0c\u6211\u8d76\u5230\u65f6\u5df2\u7ecf\u662f\u665a\u4e0a 10 \u70b9\u3002\u7ed3\u679c\u53d1\u73b0\u5fd8\u5e26\u7535\u8111\uff0c\u53ea\u80fd\u6253\u7535\u8bdd\u8ba9\u540c\u4e8b\u9001\uff0c\u6298\u817e\u5230\u51cc\u6668 3 \u70b9\u624d\u641e\u5b9a\u3002\n\n\u90a3\u4e00\u523b\u6211\u5c31\u60f3\uff1a**\u4e3a\u4ec0\u4e48\u4e0d\u80fd\u53ea\u5e26\u624b\u673a\u5c31\u53bb\u73b0\u573a\uff1f**\n\n\u4e8e\u662f\uff0c\u6211\u82b1\u4e86\u6574\u6574 3 \u4e2a\u6708\uff0c\u5229\u7528\u4e1a\u4f59\u65f6\u95f4\u5f00\u53d1\u4e86\u8fd9\u6b3e **Modbus \u8c03\u8bd5\u52a9\u624b** \u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u3002\n\n\u5b83\u4e0d\u4ec5\u4ec5\u662f\u4e00\u4e2a\u8c03\u8bd5\u5de5\u5177\uff0c\u66f4\u662f\u6211 20 \u5e74\u7ecf\u9a8c\u7684\u7ed3\u6676\u3002\n\n## \u4e00\u3001\u6838\u5fc3\u529f\u80fd\uff1a20+ \u4e13\u4e1a\u5de5\u5177\uff0c\u88c5\u8fdb\u624b\u673a\n\n### 1.1 Modbus \u8c03\u8bd5\u5168\u5bb6\u6876\n\n\u5c0f\u7a0b\u5e8f\u6700\u6838\u5fc3\u7684\u529f\u80fd\uff0c\u5c31\u662f **\u5b8c\u6574\u7684 Modbus \u534f\u8bae\u6808\u652f\u6301**\u3002\n\n#### \uff081\uff09Modbus Poll - \u4e3b\u7ad9\u8f6e\u8be2\u5de5\u5177\n\n\u8fd9\u662f\u4f7f\u7528\u9891\u7387\u6700\u9ad8\u7684\u529f\u80fd\uff0c\u6ca1\u6709\u4e4b\u4e00\u3002\n\n**\u652f\u6301\u7684\u529f\u80fd\u7801\uff1a**\n\n\u529f\u80fd\u7801\u540d\u79f0\u7528\u9014FC01Read Coils\u8bfb\u53d6\u7ebf\u5708\u72b6\u6001\uff08\u5f00\u5173\u91cf\u8f93\u51fa\uff09FC02Read Discrete Inputs\u8bfb\u53d6\u79bb\u6563\u8f93\u5165\uff08\u5f00\u5173\u91cf\u8f93\u5165\uff09FC03Read Holding Registers\u8bfb\u53d6\u4fdd\u6301\u5bc4\u5b58\u5668\uff08\u6700\u5e38\u7528\uff09FC04Read Input Registers\u8bfb\u53d6\u8f93\u5165\u5bc4\u5b58\u5668\uff08\u53ea\u8bfb\uff09FC05Write Single Coil\u5199\u5165\u5355\u4e2a\u7ebf\u5708FC06Write Single Register\u5199\u5165\u5355\u4e2a\u5bc4\u5b58\u5668FC15Write Multiple Coils\u5199\u5165\u591a\u4e2a\u7ebf\u5708FC16Write Multiple Registers\u5199\u5165\u591a\u4e2a\u5bc4\u5b58\u5668FC17Report Slave ID\u901a\u62a5\u5ba2\u6237\u7aef IDFC22Mask Write Register\u63a9\u7801\u5199\u5bc4\u5b58\u5668\uff08\u6539\u5355\u4e2a bit\uff09FC23Read\/Write Multiple\u540c\u65f6\u8bfb\/\u5199\u591a\u4e2a\u5bc4\u5b58\u5668FC43\/14Read Device ID\u8bfb\u53d6\u8bbe\u5907\u6807\u8bc6\n\n**\u8fde\u63a5\u65b9\u5f0f\uff1a**\n\n- **Modbus TCP**\uff1a\u652f\u6301\u4efb\u610f IP \u548c\u7aef\u53e3\uff0c\u81ea\u52a8\u4fdd\u5b58\u8fde\u63a5\u5386\u53f2\n\n- **\u84dd\u7259\u8fde\u63a5**\uff1a\u652f\u6301\u666e\u901a\u84dd\u7259\u8f6c 485 \u6a21\u5757\u548c PACO \u84dd\u7259\u9002\u914d\u5668\n\n- **\u7aef\u53e3\u8f6c\u53d1**\uff1a\u652f\u6301\u8def\u7531\u5668\u7aef\u53e3\u6620\u5c04\uff08\u5982\u5916\u90e8 1502 \u2192 \u5185\u90e8 502\uff09\n\n**\u6570\u636e\u663e\u793a\u683c\u5f0f\uff1a**\n\n\u540c\u4e00\u4e2a\u5bc4\u5b58\u5668\u7684\u539f\u59cb\u6570\u636e\uff0c\u652f\u6301 **7 \u79cd\u663e\u793a\u683c\u5f0f** \u4e00\u952e\u5207\u6362\uff1a\n\n```\nSigned\uff08\u6709\u7b26\u53f7\uff09   \u2192  -32768 ~ 32767\nUnsigned\uff08\u65e0\u7b26\u53f7\uff09 \u2192  0 ~ 65535\nHex\uff08\u5341\u516d\u8fdb\u5236\uff09    \u2192  0x0000 ~ 0xFFFF\nLong\uff08\u957f\u6574\u578b\uff09     \u2192  32 \u4f4d\u6574\u6570\nFloat\uff08\u6d6e\u70b9\u578b\uff09    \u2192  IEEE 754 \u5355\u7cbe\u5ea6\nFloat Swapped      \u2192  \u5b57\u8282\u53cd\u8f6c\u6d6e\u70b9\nBinary\uff08\u4e8c\u8fdb\u5236\uff09   \u2192  0000 0000 0000 0001\n\n```\n\n\ud83d\udca1 **\u5b9e\u9645\u6848\u4f8b**\uff1a\u67d0\u6e29\u5ea6\u4f20\u611f\u5668\u8fd4\u56de 0x4248 0x0000\uff0c\u5982\u679c\u6309 16 \u4f4d\u6574\u6570\u770b\u662f 17480 \u548c 0\uff0c\u5b8c\u5168\u4e0d\u5bf9\u3002\u5207\u6362\u5230 Float \u683c\u5f0f\uff0c\u663e\u793a 50.0\uff0c\u8fd9\u624d\u662f\u5b9e\u9645\u6e29\u5ea6\u503c\u3002\n\n**\u9ad8\u7ea7\u5de5\u5177\uff1a**\n\n- **\u901a\u8baf\u76d1\u89c6\u9762\u677f**\uff1a\u5b9e\u65f6\u8bb0\u5f55\u6240\u6709 Tx\/Rx \u539f\u59cb\u62a5\u6587\uff0c\u652f\u6301\u6682\u505c\/\u7ee7\u7eed\uff0c\u4e00\u952e\u5206\u4eab\n\n- **TC \u6d4b\u8bd5\u4e2d\u5fc3**\uff1a\u624b\u52a8\u8f93\u5165 Hex \u5b57\u7b26\u4e32\u53d1\u9001\uff0c\u67e5\u770b\u539f\u59cb\u54cd\u5e94\uff0c\u8c03\u8bd5\u81ea\u5b9a\u4e49\u534f\u8bae\n\n- **\u5b9e\u65f6\u56fe\u8868**\uff1a\u8f93\u5165\u8981\u76d1\u63a7\u7684\u5bc4\u5b58\u5668\u5730\u5740\uff0c\u67f1\u72b6\u56fe\u5b9e\u65f6\u663e\u793a\u6570\u503c\u53d8\u5316\n\n- **\u8bf7\u6c42\u62a5\u6587\u9884\u89c8**\uff1a\u5728\u8bbe\u7f6e\u754c\u9762\u5b9e\u65f6\u663e\u793a\u5373\u5c06\u53d1\u9001\u7684 RTU\/ASCII \u5e27\u7ed3\u6784\uff08\u542b CRC\/LRC \u6821\u9a8c\uff09\n\n#### \uff082\uff09Modbus Slave - \u4ece\u7ad9\u6a21\u62df\u5668\n\n\u8fd9\u4e2a\u529f\u80fd\u5f88\u591a\u4eba\u5ffd\u7565\uff0c\u4f46\u5176\u5b9e\u975e\u5e38\u5b9e\u7528\u3002\n\n**\u4f7f\u7528\u573a\u666f\uff1a**\n\n- \u6d4b\u8bd5\u4e0a\u4f4d\u673a\u8f6f\u4ef6\uff08\u5982\u7ec4\u6001\u738b\u3001WinCC\uff09\n\n- \u9a8c\u8bc1 PLC \u7a0b\u5e8f\u903b\u8f91\n\n- \u57f9\u8bad\u65b0\u5458\u5de5\uff08\u65e0\u9700\u771f\u5b9e\u8bbe\u5907\uff09\n\n- \u5f00\u53d1\u9636\u6bb5\u6a21\u62df\u4ece\u7ad9\u54cd\u5e94\n\n**\u652f\u6301\u529f\u80fd\uff1a**\n\n- \u6a21\u62df\u7ebf\u5708\u3001\u79bb\u6563\u8f93\u5165\u3001\u4fdd\u6301\u5bc4\u5b58\u5668\u3001\u8f93\u5165\u5bc4\u5b58\u5668\n\n- \u81ea\u5b9a\u4e49\u521d\u59cb\u503c\n\n- \u652f\u6301\u6279\u91cf\u8bbe\u7f6e\u5730\u5740\u8303\u56f4\n\n- \u5b9e\u65f6\u663e\u793a\u4e3b\u7ad9\u8bf7\u6c42\u62a5\u6587\n\n#### \uff083\uff09Modbus RTU\/TCP\/ASCII - \u534f\u8bae\u8be6\u89e3\n\n\u5c0f\u7a0b\u5e8f\u5bf9\u4e09\u79cd\u4f20\u8f93\u6a21\u5f0f\u90fd\u6709\u8be6\u7ec6\u8bf4\u660e\u548c\u5b9e\u6218\u793a\u4f8b\u3002\n\n**RTU vs ASCII \u5bf9\u6bd4\uff1a**\n\n\u7279\u6027RTUASCII\u7f16\u7801\u65b9\u5f0f\u4e8c\u8fdb\u5236ASCII \u6587\u672c\u6821\u9a8c\u65b9\u5f0fCRC16LRC\u5e27\u957f\u5ea6\u8f83\u77ed\uff08\u9ad8\u6548\uff09\u7ea6\u4e3a RTU 2 \u500d\u5e27\u6807\u8bc63.5 \u5b57\u7b26\u9759\u9ed8\u95f4\u9694\":\" \u5f00\u5934 + CR LF \u7ed3\u5c3e\u9002\u7528\u573a\u666f\u5927\u591a\u6570\u5de5\u4e1a\u8bbe\u5907\u8001\u65e7\u8bbe\u5907\/\u8c03\u5236\u89e3\u8c03\u5668\n\n**CRC16 \u7b97\u6cd5\u5b9e\u73b0\uff08\u6838\u5fc3\u4ee3\u7801\uff09\uff1a**\n\n```\n\/\/ MODBUS CRC-16 (\u4f4e\u5b57\u8282\u5728\u524d)\ncalcCRC16(bytes) {\n  let crc = 0xFFFF;\n  for (let i = 0; i < bytes.length; i++) {\n    crc ^= bytes[i];\n    for (let j = 0; j < 8; j++) {\n      if (crc & 0x0001) {\n        crc = (crc >> 1) ^ 0xA001;\n      } else {\n        crc >>= 1;\n      }\n    }\n  }\n  const lo = crc & 0xFF;\n  const hi = (crc >> 8) & 0xFF;\n  return lo.toString(16).toUpperCase().padStart(2, '0') + ' ' + \n         hi.toString(16).toUpperCase().padStart(2, '0');\n}\n\n```\n\n**LRC \u7b97\u6cd5\u5b9e\u73b0\uff1a**\n\n```\n\/\/ MODBUS ASCII LRC\ncalcLRC(bytes) {\n  let sum = 0;\n  for (let i = 0; i < bytes.length; i++) {\n    sum += bytes[i];\n  }\n  const lrc = ((~sum) + 1) & 0xFF;\n  return lrc.toString(16).toUpperCase().padStart(2, '0');\n}\n\n```\n\n### 1.2 \u4e32\u53e3\u8c03\u8bd5\u52a9\u624b\n\n\u8fd9\u662f\u7b2c\u4e8c\u4e2a\u9ad8\u9891\u4f7f\u7528\u7684\u529f\u80fd\u3002\n\n**\u6838\u5fc3\u7279\u6027\uff1a**\n\n- **\u4e09\u79cd\u8fde\u63a5\u65b9\u5f0f**\uff1a\u84dd\u7259 \/ TCP \/ UDP\n\n- **\u5168\u53c2\u6570\u914d\u7f6e**\uff1a\u6ce2\u7279\u7387\uff089600\/19200\/38400\/57600\/115200\uff09\u3001\u6570\u636e\u4f4d\u3001\u505c\u6b62\u4f4d\u3001\u6821\u9a8c\u4f4d\n\n**\u6536\u53d1\u533a\u72ec\u7acb\u8bbe\u7f6e**\uff1a\n\n- \u63a5\u6536\u533a\uff1aASCII\/HEX \u5207\u6362\u3001\u65f6\u95f4\u6233\u3001\u81ea\u52a8\u6362\u884c\u3001\u663e\u793a\u884c\u53f7\u3001\u81ea\u52a8\u6eda\u52a8\n\n- \u53d1\u9001\u533a\uff1aASCII\/HEX \u5207\u6362\u3001\u81ea\u52a8\u89e3\u6790\u8f6c\u4e49\u7b26\uff08\\r\\n \\t\uff09\u3001\u5faa\u73af\u53d1\u9001\n\n- **\u56db\u79cd\u6821\u9a8c\u65b9\u5f0f**\uff1aCRC-16\u3001\u7d2f\u52a0\u548c\u3001LRC\u3001\u5f02\u6216\u6821\u9a8c\n\n- **\u5b9e\u65f6\u7edf\u8ba1**\uff1aRX\/TX \u5b57\u8282\u6570\u3001\u4e00\u952e\u590d\u4f4d\n\n**\u5b9e\u6218\u6848\u4f8b 1\uff1a\u84dd\u7259\u8c03\u8bd5 PACO \u8bbe\u5907**\n\nPACO \u662f\u4e00\u6b3e\u5e38\u7528\u7684\u84dd\u7259 485 \u9002\u914d\u5668\uff0c\u5c0f\u7a0b\u5e8f\u5bf9\u5176\u505a\u4e86\u6df1\u5ea6\u4f18\u5316\u3002\n\n```\n\/\/ \u6784\u5efa PACO \u547d\u4ee4 (80 \u5b57\u8282\u56fa\u5b9a\u957f\u5ea6)\nbuildPacoCommand(cmdType, param = '') {\n  let cmd = '';\n  switch(cmdType) {\n    case 'read485':\n      cmd = 'PACO-Setting-Code-PACO-FXY-BT-485-R-485Setting.';\n      break;\n    case 'write485':\n      cmd = `PACO-Setting-Code-PACO-FXY-BT-485-W-485Setting:${param}.`;\n      break;\n    case 'readName':\n      cmd = 'PACO-Setting-Code-               -R-PartNumber.';\n      break;\n    case 'writeName':\n      cmd = `PACO-Setting-Code-PACO-FXY-BT-485-W-DeviceName:${param}.`;\n      break;\n  }\n  \/\/ \u8865\u9f50\u5230 76 \u5b57\u7b26\uff0c\u672b\u5c3e\u52a0 PACO\n  const paddedCmd = cmd.padEnd(76, ' ') + 'PACO';\n  return paddedCmd;\n}\n\n```\n\n**\u53ef\u4ee5\u8bfb\u5199 PACO \u8bbe\u5907\u7684\uff1a**\n\n- 485 \u53c2\u6570\uff08\u6ce2\u7279\u7387\/\u6570\u636e\u4f4d\/\u505c\u6b62\u4f4d\/\u6821\u9a8c\u4f4d\uff09\n\n- \u8bbe\u5907\u540d\u79f0\uff08\u6700\u5927 7 \u5b57\u7b26\uff09\n\n**\u5b9e\u6218\u6848\u4f8b 2\uff1aTCP \u7aef\u53e3\u9650\u5236\u95ee\u9898**\n\n\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5bf9\u7aef\u53e3\u6709\u4e25\u683c\u9650\u5236\uff0c\u8fd9\u662f\u4e00\u4e2a\u5927\u5751\u3002\n\n```\n\/\/ \u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u7aef\u53e3\u9650\u5236\u68c0\u67e5\nconst forbiddenPorts = [1099, 1433, 1521, 1719, 1720, 1723, \n  2049, 2375, 3128, 3306, 3389, 3659, 4045, 5060, 5061, \n  5432, 5984, 6379, 6000, 6566, 7001, 7002, 8443, 8888, \n  9200, 9300, 10051, 10080, 11211, 27017, 27018, 27019];\n\nif (portNum < 1024) {\n  \/\/ \u7981\u6b62\u8fde\u63a5 1024 \u4ee5\u4e0b\u7aef\u53e3\uff08\u5982 502\uff09\n  uni.showModal({ \n    title: '\u7aef\u53e3\u53d7\u9650', \n    content: '\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u7981\u6b62\u8fde\u63a5 1024 \u4ee5\u4e0b\u7aef\u53e3\uff0c\u8bf7\u4f7f\u7528 APP \u7248\u672c\u6216\u66f4\u6362\u7aef\u53e3', \n    showCancel: false \n  });\n  return;\n}\n\nif (portNum >= 8000 && portNum <= 8100) {\n  \/\/ \u7981\u6b62\u8fde\u63a5 8000-8100 \u7aef\u53e3\n  uni.showModal({ \n    title: '\u7aef\u53e3\u53d7\u9650', \n    content: '\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u7981\u6b62\u8fde\u63a5 8000-8100 \u7aef\u53e3\uff0c\u8bf7\u66f4\u6362\u7aef\u53e3', \n    showCancel: false \n  });\n  return;\n}\n\n```\n\n**\u89e3\u51b3\u65b9\u6848\uff1a**\n\u5728\u8def\u7531\u5668\u505a\u7aef\u53e3\u8f6c\u53d1\uff0c\u6bd4\u5982\u5916\u90e8 1502 \u2192 \u5185\u90e8 502\u3002\n\n### 1.3 \u4e13\u4e1a\u8ba1\u7b97\u5668\u7cfb\u5217\n\n\u8fd9\u90e8\u5206\u662f\u6211\u82b1\u5fc3\u601d\u6700\u591a\u7684\uff0c\u4e5f\u662f\u6700\u80fd\u4f53\u73b0\"\u7ecf\u9a8c\u4ef7\u503c\"\u7684\u5730\u65b9\u3002\n\n#### \uff081\uff09PID \u81ea\u6574\u5b9a\u8ba1\u7b97\u5668\n\nPID \u53c2\u6570\u6574\u5b9a\u662f\u81ea\u52a8\u63a7\u5236\u7cfb\u7edf\u7684\u6838\u5fc3\uff0c\u4e5f\u662f\u5f88\u591a\u5de5\u7a0b\u5e08\u7684\u75db\u70b9\u3002\n\n**\u652f\u6301\u7684\u6574\u5b9a\u65b9\u6cd5\uff1a**\n\n\u65b9\u6cd5\u9002\u7528\u573a\u666f\u7279\u70b9\u9f50\u683c\u52d2 - \u5c3c\u79d1\u5c14\u65af\u7b2c\u4e00\u6cd5\u9636\u8dc3\u54cd\u5e94\u5b9e\u9a8c\u7ecf\u5178\u65b9\u6cd5\uff0c\u9002\u7528\u9762\u5e7f\u9f50\u683c\u52d2 - \u5c3c\u79d1\u5c14\u65af\u7b2c\u4e8c\u6cd5\u4e34\u754c\u632f\u8361\u6cd5\u9700\u8981\u627e\u5230\u4e34\u754c\u589e\u76caCohen-Coon\u5927\u6ede\u540e\u7cfb\u7edf\u5bf9\u6ede\u540e\u7cfb\u7edf\u6548\u679c\u597dIMC\uff08\u5185\u6a21\u63a7\u5236\uff09\u9ad8\u6027\u80fd\u8981\u6c42\u53c2\u6570\u53ef\u8c03\uff0c\u7075\u6d3b\u6027\u9ad8\u6781\u70b9\u914d\u7f6e\u7279\u5b9a\u52a8\u6001\u54cd\u5e94\u9700\u8981\u7cfb\u7edf\u6a21\u578b\n\n**\u8f93\u5165\u53c2\u6570\uff1a**\n\n- \u5ef6\u8fdf\u65f6\u95f4 L\uff08\u79d2\uff09\n\n- \u65f6\u95f4\u5e38\u6570 T\uff08\u79d2\uff09\n\n- \u8fc7\u7a0b\u589e\u76ca K\n\n- \u03bb \u53c2\u6570\uff08IMC \u4e13\u7528\uff09\n\n**\u8f93\u51fa\u7ed3\u679c\uff1a**\n\n- \u6bd4\u4f8b\u589e\u76ca Kp\n\n- \u79ef\u5206\u65f6\u95f4 Ti\n\n- \u5fae\u5206\u65f6\u95f4 Td\n\n- \u63a8\u8350\u914d\u7f6e\uff08\u5982\u63a7\u5236\u5668\u7c7b\u578b\u3001\u63a7\u5236\u53d8\u91cf\u9009\u62e9\uff09\n\n**\u6838\u5fc3\u7b97\u6cd5\uff08\u9f50\u683c\u52d2 - \u5c3c\u79d1\u5c14\u65af\u7b2c\u4e00\u6cd5\uff09\uff1a**\n\n```\n\/\/ Ziegler-Nichols \u7b2c\u4e00\u6cd5\uff08\u9636\u8dc3\u54cd\u5e94\u6cd5\uff09\nzieglerNichols1st(L, T, K) {\n  \/\/ Kp = 1.2 * T \/ (K * L)\n  \/\/ Ti = 2 * L\n  \/\/ Td = 0.5 * L\n  const kp = 1.2 * T \/ (K * L);\n  const ti = 2 * L;\n  const td = 0.5 * L;\n  return { kp, ti, td };\n}\n\n```\n\n**\u5b9e\u6218\u6848\u4f8b\uff1a**\n\n\u67d0\u6e29\u5ea6\u63a7\u5236\u7cfb\u7edf\uff0c\u901a\u8fc7\u9636\u8dc3\u54cd\u5e94\u5b9e\u9a8c\u5f97\u5230\uff1a\n\n- \u5ef6\u8fdf\u65f6\u95f4 L = 2.5s\n\n- \u65f6\u95f4\u5e38\u6570 T = 8.0s\n\n- \u8fc7\u7a0b\u589e\u76ca K = 1.0\n\n\u4ee3\u5165\u516c\u5f0f\u8ba1\u7b97\uff1a\n\n- Kp = 1.2 \u00d7 8.0 \/ (1.0 \u00d7 2.5) = 3.84\n\n- Ti = 2 \u00d7 2.5 = 5.0s\n\n- Td = 0.5 \u00d7 2.5 = 1.25s\n\n\u5c06\u8fd9\u4e09\u4e2a\u53c2\u6570\u8f93\u5165 PID \u63a7\u5236\u5668\uff0c\u7cfb\u7edf\u54cd\u5e94\u5feb\u901f\u4e14\u8d85\u8c03\u5c0f\u3002\n\n#### \uff082\uff09\u4f20\u611f\u5668\u6807\u5b9a\u8ba1\u7b97\u5668\n\n\u4f20\u611f\u5668\u6807\u5b9a\u662f\u73b0\u573a\u8c03\u8bd5\u7684\u5e38\u89c4\u5de5\u4f5c\uff0c\u4f46\u624b\u7b97\u5bb9\u6613\u51fa\u9519\u3002\n\n**\u652f\u6301\u56db\u79cd\u6a21\u5f0f\uff1a**\n\n**\u2460 \u7ebf\u6027\u6807\u5b9a\uff08\u6700\u5e38\u7528\uff09**\n\n\u9002\u7528\u4e8e 4-20mA\u30010-10V \u7b49\u7ebf\u6027\u4f20\u611f\u5668\u3002\n\n```\n\u6807\u5b9a\u516c\u5f0f\uff1aY = kX + b\n\n\u5176\u4e2d\uff1a\nk = (Y2 - Y1) \/ (X2 - X1)  \/\/ \u659c\u7387\nb = Y1 - k * X1            \/\/ \u622a\u8ddd\n\n```\n\n**\u5feb\u901f\u6362\u7b97\u8868\uff1a**\n\n\u767e\u5206\u6bd4\u4fe1\u53f7\u503c (mA)\u5de5\u7a0b\u503c (\u2103)0%4.000.0025%8.0025.0050%12.0050.0075%16.0075.00100%20.00100.00\n\n**\u2461 \u591a\u70b9\u62df\u5408**\n\n\u9002\u7528\u4e8e\u975e\u7ebf\u6027\u4f20\u611f\u5668\uff08\u5982\u70ed\u7535\u5076\u3001\u70ed\u7535\u963b\uff09\u3002\n\n\u652f\u6301\uff1a\n\n- \u4e8c\u6b21\u66f2\u7ebf\u62df\u5408\n\n- \u4e09\u6b21\u66f2\u7ebf\u62df\u5408\n\n- \u6700\u5c0f\u4e8c\u4e58\u6cd5\n\n**\u2462 \u6e29\u5ea6\u4e13\u7528\u6a21\u5f0f**\n\n\u5185\u7f6e\u5e38\u7528\u6e29\u5ea6\u4f20\u611f\u5668\u5206\u5ea6\u8868\uff1a\n\n- PT100 \u70ed\u7535\u963b\n\n- K \u578b\u70ed\u7535\u5076\n\n- J \u578b\u70ed\u7535\u5076\n\n- E \u578b\u70ed\u7535\u5076\n\n- T \u578b\u70ed\u7535\u5076\n\n**\u2463 \u8bef\u5dee\u5206\u6790**\n\n\u8ba1\u7b97\uff1a\n\n- \u7edd\u5bf9\u8bef\u5dee\n\n- \u76f8\u5bf9\u8bef\u5dee\n\n- \u6ee1\u91cf\u7a0b\u8bef\u5dee\n\n- \u7ebf\u6027\u5ea6\n\n**\u5b9e\u6218\u6848\u4f8b\uff1a**\n\n\u67d0\u538b\u529b\u53d8\u9001\u5668\uff0c\u91cf\u7a0b 0-10bar\uff0c\u8f93\u51fa 4-20mA\u3002\n\n\u6807\u5b9a\u70b9\u8bbe\u7f6e\uff1a\n\n- \u4f4e\u70b9\uff1a4mA \u2192 0bar\n\n- \u9ad8\u70b9\uff1a20mA \u2192 10bar\n\n\u8ba1\u7b97\u7ed3\u679c\uff1a\n\n- k = (10 - 0) \/ (20 - 4) = 0.625\n\n- b = 0 - 0.625 \u00d7 4 = -2.5\n\n\u6807\u5b9a\u516c\u5f0f\uff1a**Y = 0.625X - 2.5**\n\n\u9a8c\u8bc1\uff1a\n\n- \u8f93\u5165 12mA \u2192 Y = 0.625 \u00d7 12 - 2.5 = 5.0bar \u2713\n\n- \u8f93\u5165 20mA \u2192 Y = 0.625 \u00d7 20 - 2.5 = 10.0bar \u2713\n\n#### \uff083\uff09\u6821\u9a8c\u8ba1\u7b97\u5de5\u5177\n\n\u8fd9\u4e2a\u5de5\u5177\u96c6\u6210\u4e86 10+ \u79cd\u5de5\u4e1a\u901a\u4fe1\u534f\u8bae\u5e38\u7528\u7684\u6821\u9a8c\u7b97\u6cd5\u3002\n\n**\u652f\u6301\u529f\u80fd\uff1a**\n\n\u6821\u9a8c\u7c7b\u578b\u8bf4\u660e\u9002\u7528\u573a\u666fMODBUS RTU CRC-1616 \u4f4d\u5faa\u73af\u5197\u4f59\u6821\u9a8cModbus RTU \u534f\u8baeMODBUS ASCII LRC\u7eb5\u5411\u5197\u4f59\u6821\u9a8cModbus ASCII \u534f\u8bae\u6821\u9a8c\u548c\uff0816 \u4f4d\uff09\u7d2f\u52a0\u548c\u53d6\u4f4e 16 \u4f4d\u7b80\u5355\u534f\u8bae\u5f02\u6216\u6821\u9a8c\uff088 \u4f4d\uff09\u6240\u6709\u5b57\u8282\u5f02\u6216\u81ea\u5b9a\u4e49\u534f\u8bae\u897f\u95e8\u5b50 S7 \u6821\u9a8c\u548cS7 \u901a\u4fe1\u534f\u8bae\u4e13\u7528\u897f\u95e8\u5b50 PLC\u4e09\u83f1 FX \u6c42\u548c\u6821\u9a8c\u4e09\u83f1\u901a\u4fe1\u534f\u8bae\u4e09\u83f1 PLCBCC \u6821\u9a8c\u5757\u6821\u9a8c\u5b57\u7b26\u4e32\u53e3\u901a\u4fe1IP\/TCP \u6821\u9a8c\u548c\u7f51\u7edc\u534f\u8bae\u6821\u9a8cTCP\/IP \u6808\u6b27\u59c6\u9f99 FINS FCSFINS \u534f\u8bae\u6821\u9a8c\u6b27\u59c6\u9f99 PLCCAN CRCCAN \u603b\u7ebf\u6821\u9a8c\u6c7d\u8f66\u7535\u5b50\n\n**\u4f7f\u7528\u65b9\u6cd5\uff1a**\n\n- \u9009\u62e9\u6821\u9a8c\u7c7b\u578b\n\n- \u8f93\u5165\u539f\u59cb HEX \u6570\u636e\n\n- \u81ea\u52a8\u8ba1\u7b97\u6821\u9a8c\u7801\n\n- \uff08\u53ef\u9009\uff09\u9644\u52a0\u6821\u9a8c\u7801\u540e\u53d1\u9001\n\n**\u5b9e\u6218\u6848\u4f8b\uff1aModbus RTU \u547d\u4ee4**\n\n\u539f\u59cb\u6570\u636e\uff1a`01 03 00 00 00 01`\n\n\u8ba1\u7b97 CRC-16\uff1a\n\n- \u8f93\u5165 6 \u5b57\u8282\n\n- \u8ba1\u7b97\u5f97 CRC = 0x840A\n\n- \u4f4e\u5b57\u8282\u5728\u524d\uff1a`84 0A`\n\n\u5b8c\u6574\u62a5\u6587\uff1a`01 03 00 00 00 01 84 0A`\n\n### 1.4 \u5176\u4ed6\u4e13\u4e1a\u5de5\u5177\n\n\u5c0f\u7a0b\u5e8f\u8fd8\u6709 15+ \u4e13\u4e1a\u5de5\u5177\uff0c\u8fd9\u91cc\u7b80\u5355\u5217\u4e3e\uff1a\n\n#### \uff081\uff09PLC \u8c03\u8bd5\u5de5\u5177\n\n- **Q06 \u5f00\u5173\u8c03\u8bd5\u52a9\u624b**\uff1a\u4e13\u95e8\u9488\u5bf9 Q06 \u7cfb\u5217\u5f00\u5173\u7684\u8c03\u8bd5\u5de5\u5177\n\n- **X160 \u8c03\u8bd5\u5de5\u5177**\uff1aX160 \u8bbe\u5907\u4e13\u7528\u8c03\u8bd5\n\n- **ZLAN \u8bbe\u5907\u7ba1\u7406\u5668**\uff1a\u6709\u4eba\u7269\u8054\u7f51 ZLAN \u7cfb\u5217\u8bbe\u5907\u7ba1\u7406\n\n#### \uff082\uff09\u6267\u884c\u5668\u8c03\u8bd5\n\n- **\u8c03\u5149\u8c03\u8bd5\u52a9\u624b**\uff1a0-10V\/PWM \u8c03\u5149\u5668\u8c03\u8bd5\n\n- **8 \u8def\u7ee7\u7535\u5668\u63a7\u5236**\uff1a\u591a\u8def\u7ee7\u7535\u5668\u6279\u91cf\u63a7\u5236\n\n- **\u4f3a\u670d\u8109\u51b2\u8ba1\u7b97**\uff1a\u4f3a\u670d\u7535\u673a\u8109\u51b2\u5f53\u91cf\u8ba1\u7b97\n\n#### \uff083\uff09\u53d8\u9891\u5668\u8c03\u8bd5\n\n- **\u53d8\u9891\u5668\u8c03\u8bd5\u5de5\u5177**\uff1a\u652f\u6301\u4e3b\u6d41\u53d8\u9891\u5668\u53c2\u6570\u8bbe\u7f6e\n\n#### \uff084\uff09\u5176\u4ed6\u8ba1\u7b97\u5668\n\n- **\u538b\u529b\u53d8\u9001\u5668\u8c03\u8bd5**\uff1a\u5dee\u538b\/\u538b\u529b\u53d8\u9001\u5668\u8ba1\u7b97\n\n- **\u8fdc\u7a0b\u534f\u52a9\u5de5\u5177**\uff1a\u5b9e\u65f6\u5171\u4eab\u8c03\u8bd5\u753b\u9762\n\n## \u4e8c\u3001\u6280\u672f\u67b6\u6784\uff1a\u5c0f\u7a0b\u5e8f\u4e5f\u80fd\u505a\u4e13\u4e1a\u5de5\u5177\n\n### 2.1 \u6280\u672f\u9009\u578b\n\n**\u524d\u7aef\u6846\u67b6\uff1a** uni-app\n\n\u9009\u62e9\u7406\u7531\uff1a\n\n- \u4e00\u5957\u4ee3\u7801\u7f16\u8bd1\u5230\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u3001H5\u3001APP\n\n- \u4e30\u5bcc\u7684\u7ec4\u4ef6\u5e93\n\n- \u826f\u597d\u7684\u84dd\u7259\/TCP\/UDP API \u652f\u6301\n\n**UI \u6846\u67b6\uff1a** colorUI + \u81ea\u5b9a\u4e49\u7ec4\u4ef6\n\n**\u6570\u636e\u5b58\u50a8\uff1a**\n\n- \u672c\u5730\u5b58\u50a8\uff1auni.setStorageSync\n\n- \u8fde\u63a5\u5386\u53f2\u8bb0\u5f55\n\n- \u9879\u76ee\u914d\u7f6e\u4fdd\u5b58\n\n### 2.2 \u6838\u5fc3\u6280\u672f\u96be\u70b9\n\n#### \uff081\uff09\u84dd\u7259 BLE \u8fde\u63a5\n\n\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u7684\u84dd\u7259 API \u6709\u4e00\u4e9b\u9650\u5236\uff0c\u9700\u8981\u7279\u6b8a\u5904\u7406\u3002\n\n**\u96be\u70b9 1\uff1a\u670d\u52a1\u7279\u5f81\u503c\u67e5\u627e**\n\n\u4e0d\u540c\u84dd\u7259\u6a21\u5757\u7684 Service UUID \u548c Characteristic UUID \u4e0d\u540c\uff0c\u9700\u8981\u667a\u80fd\u67e5\u627e\u3002\n\n```\n\/\/ \u904d\u5386\u6240\u6709\u670d\u52a1\u67e5\u627e\u53ef\u5199\u7279\u5f81\nfindWritableCharacteristic() {\n  if (this.currentServiceIndex >= this.allServices.length) {\n    \/\/ \u6240\u6709\u670d\u52a1\u90fd\u904d\u5386\u5b8c\u4e86\n    if (this.foundWriteChar) {\n      this.finishBluetoothConnection();\n    } else {\n      uni.showToast({ title: '\u672a\u627e\u5230\u53ef\u5199\u7279\u5f81', icon: 'none' });\n    }\n    return;\n  }\n\n  const service = this.allServices[this.currentServiceIndex];\n  \n  uni.getBLEDeviceCharacteristics({\n    deviceId: this.connectedDeviceId,\n    serviceId: service.uuid,\n    success: (res) => {\n      const characteristics = res.characteristics;\n      \n      \/\/ \u67e5\u627e\u7b56\u7565\uff1a\n      \/\/ 1. \u4f18\u5148\u627e\u540c\u65f6\u652f\u6301 write \u548c notify \u7684\u7279\u5f81\uff08\u53cc\u5411\u901a\u4fe1\uff09\n      \/\/ 2. \u5176\u6b21\u627e\u53ea\u652f\u6301 write \u7684\u7279\u5f81\n      \/\/ 3. \u6700\u540e\u627e\u652f\u6301 writeNoResponse \u7684\u7279\u5f81\n      let writeChar = characteristics.find(c =>\n        c.properties.write === true &&\n        (c.properties.notify === true || c.properties.indicate === true)\n      );\n      \n      if (!writeChar) {\n        writeChar = characteristics.find(c => c.properties.write === true);\n      }\n      \n      if (!writeChar) {\n        writeChar = characteristics.find(c => c.properties.writeNoResponse === true);\n      }\n      \n      if (writeChar) {\n        this.writeCharacteristicId = writeChar.uuid;\n        this.foundWriteChar = true;\n        this.finishBluetoothConnection();\n        return;\n      }\n      \n      \/\/ \u5f53\u524d\u670d\u52a1\u672a\u627e\u5230\uff0c\u7ee7\u7eed\u4e0b\u4e00\u4e2a\n      this.currentServiceIndex++;\n      this.findWritableCharacteristic();\n    }\n  });\n}\n\n```\n\n**\u96be\u70b9 2\uff1aPACO \u8bbe\u5907 80 \u5b57\u8282\u5355\u5305\u53d1\u9001**\n\nPACO \u8bbe\u5907\u9700\u8981\u4e00\u6b21\u53d1\u9001 80 \u5b57\u8282\uff0c\u4f46 BLE \u9ed8\u8ba4 MTU \u53ea\u6709 20 \u5b57\u8282\u3002\n\n\u89e3\u51b3\u65b9\u6848\uff1a\n\n```\n\/\/ \u8bbe\u7f6e BLE MTU\uff08\u6700\u5927\u4f20\u8f93\u5355\u5143\uff09\nsetBLEMTU(deviceId, callback) {\n  if (wx.setBLEMTU) {\n    wx.setBLEMTU({\n      deviceId: deviceId,\n      mtu: 512,  \/\/ \u8bbe\u7f6e\u4e3a 512 \u5b57\u8282\n      success: (res) => {\n        console.log('MTU \u8bbe\u7f6e\u6210\u529f');\n        callback && callback();\n      },\n      fail: (err) => {\n        console.error('MTU \u8bbe\u7f6e\u5931\u8d25', err);\n        callback && callback();\n      }\n    });\n  } else {\n    callback && callback();\n  }\n}\n\n```\n\n#### \uff082\uff09TCP Socket \u901a\u4fe1\n\n\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u7684 TCP Socket API \u662f\u5f02\u6b65\u7684\uff0c\u9700\u8981\u5904\u7406\u8fde\u63a5\u8d85\u65f6\u3001\u6570\u636e\u5206\u5305\u3001\u7c98\u5305\u7b49\u95ee\u9898\u3002\n\n**\u8fde\u63a5\u8d85\u65f6\u5904\u7406\uff1a**\n\n```\nconst connTimeout = setTimeout(() => {\n  if (!self.isConnected) {\n    uni.hideLoading();\n    uni.showToast({ title: '\u8fde\u63a5\u8d85\u65f6', icon: 'none' });\n    try { tcp.close(); } catch(e) {}\n    self.tcpSocket = null;\n  }\n}, 8000);  \/\/ 8 \u79d2\u8d85\u65f6\n\ntcp.onConnect(function(res) {\n  clearTimeout(connTimeout);\n  self.isConnected = true;\n  \/\/ ...\n});\n\n```\n\n**\u6570\u636e\u5206\u5305\u5904\u7406\uff1a**\n\n```\nhandleTcpResponse(hexData) {\n  const hex = hexData.replace(\/\\s+\/g, '');\n  \n  \/\/ \u5c06\u63a5\u6536\u5230\u7684\u6570\u636e\u6dfb\u52a0\u5230\u7f13\u51b2\u533a\n  for (let i = 0; i < hex.length; i += 2) {\n    this.receiveBuffer.push(parseInt(hex.substr(i, 2), 16));\n  }\n\n  \/\/ \u4f7f\u7528 MBAP \u5934\u7684 Length \u5b57\u6bb5\u5224\u65ad\u5e27\u5b8c\u6574\u6027\n  while (this.receiveBuffer.length >= 7) {\n    const mbapLength = (this.receiveBuffer[4] << 8) | this.receiveBuffer[5];\n    const totalFrameLength = 6 + mbapLength;\n\n    if (this.receiveBuffer.length >= totalFrameLength) {\n      \/\/ \u63d0\u53d6\u5b8c\u6574\u7684\u4e00\u5e27\n      const frame = this.receiveBuffer.splice(0, totalFrameLength);\n      this.parseModbusTcpResponse(frame);\n    } else {\n      \/\/ \u6570\u636e\u4e0d\u5b8c\u6574\uff0c\u7b49\u5f85\u66f4\u591a\u6570\u636e\n      break;\n    }\n  }\n}\n\n```\n\n#### \uff083\uff09\u5927\u6570\u636e\u5904\u7406\n\n\u4e32\u53e3\u8c03\u8bd5\u65f6\uff0c\u5982\u679c\u957f\u65f6\u95f4\u8fd0\u884c\uff0c\u4f1a\u4ea7\u751f\u5927\u91cf\u6570\u636e\u3002\n\n**\u4f18\u5316\u7b56\u7565\uff1a**\n\n```\n\/\/ \u6d88\u606f\u7f13\u51b2\u533a\u7ba1\u7406\nmaxMessageCount: 800,  \/\/ \u6700\u591a\u4fdd\u5b58 800 \u6761\nmaxVisibleMessageChars: 240,  \/\/ \u6bcf\u6761\u6700\u591a\u663e\u793a 240 \u5b57\u7b26\n\ntrimMessageBuffer() {\n  const maxTotalChars = this.maxMessageCount * this.maxVisibleMessageChars * 2;\n  \n  while (this.messages.length > this.maxMessageCount || \n         this.totalMessageChars > maxTotalChars) {\n    const removed = this.messages.shift();\n    if (removed && removed.data) {\n      this.totalMessageChars -= removed.data.length;\n    }\n  }\n}\n\n\/\/ \u8d85\u957f\u6d88\u606f\u81ea\u52a8\u622a\u65ad\uff0c\u652f\u6301\u5c55\u5f00\/\u6536\u8d77\nisMessageTruncated(msg) {\n  return !!(msg && msg.data && \n            msg.data.length > this.maxVisibleMessageChars);\n}\n\ngetDisplayMessage(msg) {\n  if (!msg || !msg.data) return '';\n  if (msg.expanded || !this.isMessageTruncated(msg)) {\n    return msg.data;\n  }\n  return msg.data.slice(0, this.maxVisibleMessageChars) + '\u2026';\n}\n\n```\n\n## \u4e09\u3001\u8bbe\u8ba1\u7406\u5ff5\uff1a\u5de5\u7a0b\u5e08\u61c2\u5de5\u7a0b\u5e08\n\n### 3.1 Win7 \u98ce\u683c\u754c\u9762\n\n\u5f88\u591a\u4eba\u95ee\u4e3a\u4ec0\u4e48\u7528 Win7 \u98ce\u683c\uff1f\n\n\u56e0\u4e3a **\u719f\u6089**\u3002\n\n\u5927\u591a\u6570\u5de5\u4e1a\u5de5\u7a0b\u5e08\u5929\u5929\u5bf9\u7740\u7535\u8111\uff0cWin7 \u7684\u754c\u9762\u662f\u6700\u719f\u6089\u7684\u3002\u770b\u5230\u8fd9\u79cd\u98ce\u683c\uff0c\u5c31\u6709\"\u4e13\u4e1a\u5de5\u5177\"\u7684\u611f\u89c9\u3002\n\n**\u8bbe\u8ba1\u7ec6\u8282\uff1a**\n\n- \u6e10\u53d8\u84dd\u8272\u6807\u9898\u680f\n\n- \u7acb\u4f53\u8fb9\u6846\uff08\u5916\u6d45\u5185\u6df1\uff09\n\n- \u7070\u8272\u80cc\u666f + \u767d\u8272\u5185\u5bb9\u533a\n\n- \u7b49\u5bbd\u5b57\u4f53\u663e\u793a\u6570\u636e\uff08Courier New\uff09\n\n### 3.2 \u8fdc\u7a0b\u534f\u52a9\u529f\u80fd\n\n\u8fd9\u4e2a\u529f\u80fd\u662f\u6211\u5728\u73b0\u573a\u8c03\u8bd5\u65f6\u60f3\u5230\u7684\u3002\n\n**\u573a\u666f\uff1a**\n\u73b0\u573a\u8bbe\u5907\u6545\u969c\uff0c\u6211\u641e\u4e0d\u5b9a\uff0c\u9700\u8981\u540c\u4e8b\u8fdc\u7a0b\u534f\u52a9\u3002\u4f46\u4f20\u7edf\u65b9\u5f0f\u53ea\u80fd\u7535\u8bdd\u63cf\u8ff0\uff0c\u6548\u7387\u6781\u4f4e\u3002\n\n**\u89e3\u51b3\u65b9\u6848\uff1a**\n\n```\n\/\/ \u751f\u6210\u534f\u52a9\u4f1a\u8bdd\u7801\nstartRemoteAssist() {\n  const sessionId = generateRandomSessionId();\n  this.remoteAssistSessionId = sessionId;\n  this.remoteAssistShowPanel = true;\n  \n  \/\/ \u5b9e\u65f6\u8f6c\u53d1\u901a\u4fe1\u6570\u636e\n  this.remoteAssistForward('tx', 'Tx', data);\n  this.remoteAssistForward('rx', 'Rx', data);\n  \n  \/\/ \u63a5\u6536\u8fdc\u7a0b\u547d\u4ee4\n  this._executeRemoteCommand(cmd);\n}\n\n```\n\n**\u4f7f\u7528\u6d41\u7a0b\uff1a**\n\n- \u70b9\u51fb\"\u8fdc\u7a0b\u534f\u52a9\"\n\n- \u751f\u6210 6 \u4f4d\u4f1a\u8bdd\u7801\n\n- \u5206\u4eab\u7ed9\u5fae\u4fe1\u597d\u53cb\n\n- \u5bf9\u65b9\u6253\u5f00\u540e\uff0c\u5b9e\u65f6\u67e5\u770b\u901a\u4fe1\u6570\u636e\n\n- \u5bf9\u65b9\u53ef\u4ee5\u8fdc\u7a0b\u53d1\u9001\u547d\u4ee4\n\n**\u4ef7\u503c\uff1a**\n\n- \u65e0\u9700\u622a\u56fe\/\u5f55\u5c4f\n\n- \u5b9e\u65f6\u53cc\u5411\u901a\u4fe1\n\n- \u652f\u6301\u591a\u4eba\u534f\u4f5c\n\n### 3.3 \u6570\u636e\u5bfc\u51fa\u5206\u4eab\n\n\u73b0\u573a\u8c03\u8bd5\u5b8c\uff0c\u7ecf\u5e38\u9700\u8981\u628a\u6570\u636e\u53d1\u7ed9\u540c\u4e8b\u6216\u5b58\u6863\u3002\n\n**\u5bfc\u51fa\u683c\u5f0f\uff1a**\n\n```\n\u3010\u4e32\u53e3\u8c03\u8bd5 - \u901a\u4fe1\u8bb0\u5f55\u3011\n\u5bfc\u51fa\u65f6\u95f4\uff1a2026-04-05 11:00:00\n\u5171 50 \u6761\u8bb0\u5f55\n\u53d1\u9001\uff1a1200 \u5b57\u8282\uff0c\u63a5\u6536\uff1a800 \u5b57\u8282\n========================================\n\n[11:00:00.123] \u53d1\u9001\uff1a01 03 00 00 00 01 84 0A\n[11:00:00.456] \u63a5\u6536\uff1a01 03 02 00 0A B9 C8\n[11:00:01.123] \u53d1\u9001\uff1a01 03 00 00 00 0A C5 CD\n...\n\n========================================\n\u6765\u81ea\uff1aModbus \u8c03\u8bd5\u52a9\u624b \u5fae\u4fe1\u5c0f\u7a0b\u5e8f\n\n```\n\n**\u5b9e\u73b0\u65b9\u5f0f\uff1a**\n\n```\nbuildExportLogContent(options = {}) {\n  let content = `${options.title || '\u3010\u4e32\u53e3\u8c03\u8bd5 - \u901a\u4fe1\u8bb0\u5f55\u3011'}\\n`;\n  content += `\u5bfc\u51fa\u65f6\u95f4\uff1a${new Date().toLocaleString()}\\n`;\n  content += `\u5171 ${this.messages.length} \u6761\u8bb0\u5f55\\n`;\n  content += `\u53d1\u9001\uff1a${this.sentCount} \u5b57\u8282\uff0c\u63a5\u6536\uff1a${this.receivedCount} \u5b57\u8282\\n`;\n  content += `${'='.repeat(40)}\\n\\n`;\n\n  this.messages.forEach((msg) => {\n    const direction = msg.type === 'sent' ? '\u53d1\u9001' : '\u63a5\u6536';\n    content += `[${msg.time}] ${direction}: ${msg.data}\\n`;\n  });\n\n  content += `\\n${'='.repeat(40)}\\n`;\n  content += `\u6765\u81ea\uff1aModbus \u8c03\u8bd5\u52a9\u624b \u5fae\u4fe1\u5c0f\u7a0b\u5e8f`;\n  \n  return content;\n}\n\n```\n\n## \u56db\u3001\u7528\u6237\u53cd\u9988\uff1a\u771f\u5b9e\u7684\u58f0\u97f3\n\n\u4e0a\u7ebf 2 \u4e2a\u6708\uff0c\u5df2\u7ecf\u6709 5000+ \u5de5\u7a0b\u5e08\u5728\u4f7f\u7528\u3002\n\n**\u53cd\u9988 1\uff1a**\n\n\"\u592a\u65b9\u4fbf\u4e86\uff01\u4ee5\u540e\u51fa\u5dee\u53ea\u5e26\u624b\u673a\u5c31\u591f\u4e86\u3002\u6628\u5929\u53bb\u73b0\u573a\uff0c\u5ba2\u6237\u90fd\u60ca\u8bb6\u6211\u600e\u4e48\u53ea\u5e26\u4e2a\u624b\u673a\u5c31\u641e\u5b9a\u4e86\u3002\"\n\u2014\u2014 \u6c5f\u82cf\uff0c\u81ea\u52a8\u5316\u5de5\u7a0b\u5e08\uff0c\u738b\u5de5\n\n**\u53cd\u9988 2\uff1a**\n\n\"PID \u6574\u5b9a\u8ba1\u7b97\u5668\u5e2e\u4e86\u5927\u5fd9\u3002\u4ee5\u524d\u6574\u5b9a\u53c2\u6570\u8981\u8bd5\u534a\u5929\uff0c\u73b0\u5728\u8f93\u5165 L\/T\/K\uff0c\u76f4\u63a5\u51fa\u7ed3\u679c\u3002\"\n\u2014\u2014 \u5e7f\u4e1c\uff0c\u63a7\u5236\u5de5\u7a0b\u5e08\uff0c\u674e\u5de5\n\n**\u53cd\u9988 3\uff1a**\n\n\"\u8fdc\u7a0b\u534f\u52a9\u529f\u80fd\u592a\u5f3a\u4e86\u3002\u73b0\u573a\u9047\u5230\u95ee\u9898\uff0c\u76f4\u63a5\u5206\u4eab\u7ed9\u540c\u4e8b\uff0c5 \u5206\u949f\u641e\u5b9a\uff0c\u4ee5\u524d\u81f3\u5c11\u8981\u534a\u5c0f\u65f6\u7535\u8bdd\u6c9f\u901a\u3002\"\n\u2014\u2014 \u6d59\u6c5f\uff0c\u6280\u672f\u652f\u6301\uff0c\u5f20\u5de5\n\n**\u53cd\u9988 4\uff1a**\n\n\"\u4f20\u611f\u5668\u6807\u5b9a\u8ba1\u7b97\u5668\u5f88\u5b9e\u7528\u3002\u6211\u4eec\u5382\u6709\u51e0\u767e\u4e2a\u4f20\u611f\u5668\uff0c\u4ee5\u524d\u6807\u5b9a\u8981\u624b\u7b97\uff0c\u73b0\u5728\u8f93\u5165\u4e24\u4e2a\u70b9\uff0c\u81ea\u52a8\u51fa\u516c\u5f0f\u3002\"\n\u2014\u2014 \u5c71\u4e1c\uff0c\u4eea\u8868\u5de5\u7a0b\u5e08\uff0c\u5218\u5de5\n\n## \u4e94\u3001\u672a\u6765\u89c4\u5212\n\n### 5.1 \u77ed\u671f\u8ba1\u5212\uff081-3 \u4e2a\u6708\uff09\n\n-  \u589e\u52a0 OPC UA \u5ba2\u6237\u7aef\n\n-  \u652f\u6301 MQTT \u534f\u8bae\u8c03\u8bd5\n\n-  \u589e\u52a0 BACnet \u534f\u8bae\u652f\u6301\n\n-  \u4e91\u7aef\u9879\u76ee\u540c\u6b65\uff08VIP \u529f\u80fd\uff09\n\n### 5.2 \u4e2d\u671f\u8ba1\u5212\uff083-6 \u4e2a\u6708\uff09\n\n-  APP \u7248\u672c\uff08\u7a81\u7834\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u7aef\u53e3\u9650\u5236\uff09\n\n-  \u652f\u6301\u811a\u672c\u529f\u80fd\uff08Lua\/JavaScript\uff09\n\n-  \u589e\u52a0\u56fe\u8868\u5206\u6790\u529f\u80fd\uff08\u8d8b\u52bf\u56fe\u3001\u9891\u8c31\u5206\u6790\uff09\n\n-  \u8bbe\u5907\u6570\u636e\u5e93\uff08\u5e38\u89c1\u8bbe\u5907\u53c2\u6570\u6a21\u677f\uff09\n\n### 5.3 \u957f\u671f\u613f\u666f\n\n**\u505a\u4e00\u4e2a\u5de5\u4e1a\u5de5\u7a0b\u5e08\u7684\"\u767e\u5b9d\u7bb1\"**\u3002\n\n\u53ea\u8981\u662f\u73b0\u573a\u8c03\u8bd5\u80fd\u7528\u5230\u7684\u5de5\u5177\uff0c\u90fd\u96c6\u6210\u5230\u8fd9\u4e2a\u5c0f\u7a0b\u5e8f\u91cc\u3002\n\n\u8ba9\u5de5\u7a0b\u5e08\uff1a\n\n- \u5c11\u80cc\u70b9\u4e1c\u897f\uff0c\u8f7b\u88c5\u4e0a\u9635\n\n- \u5c11\u52a0\u70b9\u73ed\uff0c\u65e9\u70b9\u56de\u5bb6\n\n- \u5c11\u4e00\u4e9b\u70e6\u607c\uff0c\u591a\u4e00\u4e9b\u6548\u7387\n\n## \u516d\u3001\u5199\u5728\u6700\u540e\n\n\u505a\u8fd9\u4e2a\u5c0f\u7a0b\u5e8f\u7684\u521d\u8877\uff0c\u4e0d\u662f\u4e3a\u4e86\u8d5a\u94b1\u3002\n\n**\u53ea\u662f\u60f3\u89e3\u51b3\u81ea\u5df1\u7684\u75db\u70b9\uff0c\u987a\u4fbf\u5e2e\u5230\u66f4\u591a\u540c\u884c\u3002**\n\n20 \u5e74\u7684\u7ecf\u9a8c\u544a\u8bc9\u6211\uff1a**\u5de5\u5177\u7684\u4ef7\u503c\uff0c\u4e0d\u5728\u4e8e\u529f\u80fd\u591a\u82b1\u54e8\uff0c\u800c\u5728\u4e8e\u771f\u6b63\u89e3\u51b3\u95ee\u9898\u3002**\n\n\u6bcf\u4e00\u4e2a\u529f\u80fd\uff0c\u90fd\u662f\u6211\u73b0\u573a\u8c03\u8bd5\u65f6\u771f\u5b9e\u9047\u5230\u8fc7\u7684\u75db\u70b9\u3002\n\n\u6bcf\u4e00\u884c\u4ee3\u7801\uff0c\u90fd\u51dd\u805a\u7740\u6211\u5bf9\u8fd9\u4e2a\u884c\u4e1a\u7684\u70ed\u7231\u3002\n\n\u5982\u679c\u4f60\u4e5f\u662f\u5de5\u4e1a\u5de5\u7a0b\u5e08\uff0c\u5e0c\u671b\u8fd9\u4e2a\u5c0f\u7a0b\u5e8f\u80fd\u5e2e\u5230\u4f60\u3002\n\n\u5982\u679c\u4f60\u6709\u4efb\u4f55\u5efa\u8bae\uff0c\u6b22\u8fce\u53cd\u9988\u3002\n\n**\u8ba9\u6211\u4eec\u4e00\u8d77\uff0c\u8ba9\u5de5\u4e1a\u8c03\u8bd5\u53d8\u5f97\u66f4\u7b80\u5355\u3002**\n\n## \u9644\u5f55\uff1a\u4f7f\u7528\u65b9\u5f0f\n\n**\u65b9\u5f0f 1\uff1a\u5fae\u4fe1\u626b\u7801**\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/03\/20260105173518752.webp)\n\n**\u65b9\u5f0f 2\uff1a\u5fae\u4fe1\u641c\u7d22**\n\n\u641c\u7d22\"Modbus \u8c03\u8bd5\u52a9\u624b\"\n\n**\u65b9\u5f0f 3\uff1a\u670b\u53cb\u5206\u4eab**\n\n\u70b9\u51fb\u670b\u53cb\u5206\u4eab\u7684\u5361\u7247\u76f4\u63a5\u8fdb\u5165\n\n**\u5173\u4e8e\u4f5c\u8005**\n\n20 \u5e74\u5de5\u4e1a\u81ea\u52a8\u5316\u7ecf\u9a8c\uff0c\u5f85\u8fc7\u8bbe\u5907\u5382\u5546\u3001\u96c6\u6210\u5546\u3001\u7532\u65b9\u3002\n\n\u73b0\u4e13\u6ce8\u4e8e\u5de5\u4e1a\u7269\u8054\u7f51\u3001\u8fb9\u7f18\u8ba1\u7b97\u3001\u667a\u80fd\u63a7\u5236\u3002\n\n**\u6b22\u8fce\u4ea4\u6d41\uff1a**\n\n- \ud83d\udce7 \u90ae\u7bb1\uff1a[support@modbus.cn](mailto:support@modbus.cn)\n\n- \ud83d\udcac \u5fae\u4fe1\u7fa4\uff1a\u626b\u7801\u6dfb\u52a0\u52a9\u624b\u5165\u7fa4\n\n**\u53c2\u8003\u8d44\u6599**\n\n[1] Modbus Application Protocol Specification V1.1b3\n[2] \u9f50\u683c\u52d2 - \u5c3c\u79d1\u5c14\u65af PID \u6574\u5b9a\u65b9\u6cd5\n[3] \u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u84dd\u7259\u5f00\u53d1\u6587\u6863\n[4] IEEE 754 \u6d6e\u70b9\u6570\u6807\u51c6\n[5] CRC16 \u7b97\u6cd5\u539f\u7406\u4e0e\u5b9e\u73b0\n\n---\n*modbus.cn*\n"