"# \u4e00\u4f53\u5f0f\u6c14\u8c61\u7ad9\uff1a\u5168\u9762\u73af\u5883\u76d1\u6d4b\u7684\u5148\u8fdb\u89e3\u51b3\u65b9\u6848\n\n> 2023-12-16 | 2026-06-30\n> https:\/\/www.modbus.cn\/en\/26351.html\n\n**\u8bbe\u5907\u5bc4\u5b58\u5668\u624b\u518c**\n\n---\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2023\/12\/20231216221108384.jpg)\n\n**\u4ecb\u7ecd**\n\n\u4e00\u4f53\u5f0f\u6c14\u8c61\u7ad9\u662f\u4e00\u6b3e\u591a\u529f\u80fd\u7684\u73af\u5883\u76d1\u6d4b\u89e3\u51b3\u65b9\u6848\uff0c\u65e8\u5728\u63d0\u4f9b\u5404\u79cd\u5929\u6c14\u53c2\u6570\u7684\u51c6\u786e\u6570\u636e\u3002\u8fd9\u6b3e\u5148\u8fdb\u7684\u8bbe\u5907\u65e0\u7f1d\u5730\u5c06\u98ce\u901f\u3001\u98ce\u5411\u3001\u6e29\u5ea6\u3001\u6e7f\u5ea6\u3001\u566a\u58f0\u6c34\u5e73\u3001PM2.5\u548cPM10\u9897\u7c92\u6d53\u5ea6\u3001\u4e8c\u6c27\u5316\u78b3\uff08CO2\uff09\u6c34\u5e73\u4ee5\u53ca\u5927\u6c14\u538b\u529b\u7684\u6d4b\u91cf\u878d\u5408\u6210\u4e00\u4e2a\u6574\u4f53\u7cfb\u7edf\u3002\u8bbe\u5907\u91c7\u7528\u6807\u51c6\u7684ModBus-RTU\u901a\u4fe1\u534f\u8bae\u548cRS485\u4fe1\u53f7\u8f93\u51fa\uff0c\u5177\u6709\u957f\u8fbe2000\u7c73\u7684\u51fa\u8272\u901a\u4fe1\u8303\u56f4\u3002\u7528\u6237\u53ef\u4ee5\u8f7b\u677e\u5730\u5c06\u6570\u636e\u4f20\u8f93\u5230\u76d1\u63a7\u8f6f\u4ef6\u3001PLC\u914d\u7f6e\u5c4f\u5e55\u6216\u8fdb\u884c\u4e8c\u6b21\u5f00\u53d1\u3002\n\n**\u5e7f\u6cdb\u7684\u5e94\u7528\u9886\u57df**\n\n\u8fd9\u6b3e\u4ea7\u54c1\u5728\u9700\u8981\u7cbe\u786e\u73af\u5883\u6570\u636e\u7684\u5404\u79cd\u573a\u666f\u4e2d\u90fd\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u65e0\u8bba\u60a8\u9700\u8981\u6d4b\u91cf\u6e29\u5ea6\u548c\u6e7f\u5ea6\u3001\u76d1\u6d4b\u566a\u58f0\u6c61\u67d3\u3001\u8bc4\u4f30\u7a7a\u6c14\u8d28\u91cf\u3001\u6d4b\u91cfCO2\u6c34\u5e73\u8fd8\u662f\u8ddf\u8e2a\u5927\u6c14\u538b\u529b\uff0cC\u578b\u4e00\u4f53\u5f0f\u6c14\u8c61\u7ad9\u90fd\u662f\u4e00\u4e2a\u53ef\u9760\u3001\u5b89\u5168\u3001\u5916\u89c2\u7f8e\u89c2\u7684\u89e3\u51b3\u65b9\u6848\u3002\u5176\u7b80\u5355\u7684\u5b89\u88c5\u548c\u575a\u56fa\u7684\u7ed3\u6784\u786e\u4fdd\u4e86\u957f\u65f6\u95f4\u7684\u6027\u80fd\u7a33\u5b9a\u6027\u3002\n\n**\u4e3b\u8981\u7279\u70b9**\n\n\u4e00\u4f53\u5f0f\u6c14\u8c61\u7ad9\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u5353\u8d8a\u7684\u7279\u70b9\uff1a\n\n- 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\u98ce\u901f\uff1a\u00b1\uff080.2+0.03V\uff09m\/s\uff08V\u4ee3\u8868\u98ce\u901f\uff0c60%\u76f8\u5bf9\u6e7f\u5ea6\uff0c25\u2103\uff09\n\n- \u6e7f\u5ea6\uff1a\u00b13%\u76f8\u5bf9\u6e7f\u5ea6\uff0860%\u76f8\u5bf9\u6e7f\u5ea6\uff0c25\u2103\uff09\n\n- \u6e29\u5ea6\uff1a\u00b10.5\u2103\uff0825\u2103\uff09\n\n- \u5927\u6c14\u538b\u529b\uff1a\u00b10.15kPa @ 25\u2103 101kPa\n\n- \u566a\u58f0\uff1a\u00b10.5dB\uff08\u53c2\u8003\u97f3\u51c6\uff0c94dB @ 1kHz\uff09\n\n- PM2.5\uff1a\u9897\u7c92\u8ba1\u6570\u6548\u7387\uff1a0.3\u03bcm\u590450%\uff0c0.5\u03bcm\u590498%\u3002PM2.5\u7cbe\u5ea6\uff1a\u00b13%FS\uff08@100\u03bcg\/m3\uff0c25\u2103\uff0c50%\u76f8\u5bf9\u6e7f\u5ea6\uff09\n\n- CO2\uff1a\u00b1(50ppm+3%F\u00b7S)\uff0825\u2103\uff09\n\n- **\u6d4b\u91cf\u8303\u56f4\uff1a**\n\n- \u98ce\u901f\uff1a0-70m\/s\n\n- \u98ce\u5411\uff1a8\u4e2a\u6307\u793a\u65b9\u5411\n\n- \u6e7f\u5ea6\uff1a0%\u76f8\u5bf9\u6e7f\u5ea6 - 99%\u76f8\u5bf9\u6e7f\u5ea6\n\n- \u6e29\u5ea6\uff1a-40\u2103\u81f3+80\u2103\n\n- \u5927\u6c14\u538b\u529b\uff1a0-120kPa\n\n- \u566a\u58f0\uff1a30dB\u81f3120dB\n\n- PM10 PM2.5\uff1a0-1000\u03bcg\/m3\n\n- CO2\uff1a0-5000ppm\n\n- **\u957f\u671f\u7a33\u5b9a\u6027\uff1a**\n\n- \u6e29\u5ea6\uff1a\u22640.1\u2103\/\u5e74\n\n- \u6e7f\u5ea6\uff1a\u22641%\/\u5e74\n\n- \u5927\u6c14\u538b\u529b\uff1a-0.1kPa\/\u5e74\n\n- \u566a\u58f0\uff1a\u22643dB\/\u5e74\n\n- PM10 PM2.5\uff1a\u22641%\/\u5e74\n\n- CO2\uff1a\u22641%\/\u5e74\n\n- **\u54cd\u5e94\u65f6\u95f4\uff1a**\n\n- \u98ce\u901f\uff1a\u22640.5\u79d2\n\n- \u98ce\u5411\uff1a\u22640.5\u79d2\n\n- \u6e29\u5ea6\u548c\u6e7f\u5ea6\uff1a\u22641\u79d2\n\n- \u5149\u7167\u5f3a\u5ea6\uff1a\u22640.1\u79d2\n\n- \u5927\u6c14\u538b\u529b\uff1a\u22641\u79d2\n\n- \u566a\u58f0\uff1a\u22641\u79d2\n\n- PM10 PM2.5\uff1a\u226490\u79d2\n\n- CO2\uff1a\u226490\u79d2\n\n- **\u8f93\u51fa\u4fe1\u53f7\uff1a** RS485\u8f93\u51fa\uff0c\u652f\u6301\u6807\u51c6ModBus\u901a\u4fe1\u534f\u8bae\u3002\n\n**\u7cfb\u7edf\u6846\u67b6**\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2023\/12\/20231216220136168.jpg)\n\n**\u5c3a\u5bf8\u8bf4\u660e**\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2023\/12\/20231216220212281.jpg)\n\n**\u5b89\u88c5\u8bf4\u660e**\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2023\/12\/20231216220230963.png)\n\n**\u63a5\u53e3\u7ec6\u8282**\n\n\u8be5\u8bbe\u5907\u63a5\u53d710-30V\u7684\u5bbd\u7535\u538b\u8f93\u5165\u4ee5\u4f9b\u7535\u3002\u5728\u8fde\u63a5485\u4fe1\u53f7\u7ebf\u65f6\uff0c\u786e\u4fddA\u548cB\u7ebf\u6b63\u786e\u8fde\u63a5\uff0c\u603b\u7ebf\u4e0a\u591a\u4e2a\u8bbe\u5907\u7684\u5730\u5740\u4e0d\u53d1\u751f\u51b2\u7a81\u81f3\u5173\u91cd\u8981\u3002\n\n- \u7535\u6e90\uff1a\n\n- \u68d5\u8272\uff1a\u7535\u6e90\u6b63\u6781\uff0810-30V DC\uff09\n\n- \u9ed1\u8272\uff1a\u7535\u6e90\u8d1f\u6781\n\n- \u901a\u4fe1\uff1a\n\n- \u7eff\u8272\uff1a485-A\n\n- \u84dd\u8272\uff1a485-B\n\n\u8bf7\u6ce8\u610f\uff0c\u6b64\u5904\u63d0\u5230\u7684\u6027\u80fd\u6570\u636e\u662f\u5728\u4f7f\u7528\u6211\u4eec\u7684\u6d4b\u8bd5\u7cfb\u7edf\u548c\u8f6f\u4ef6\u8fdb\u884c\u6d4b\u8bd5\u7684\u6761\u4ef6\u4e0b\u83b7\u5f97\u7684\u3002\u4e3a\u4e86\u4e0d\u65ad\u6539\u8fdb\u4ea7\u54c1\uff0c\u6211\u4eec\u4fdd\u7559\u66f4\u6539\u8bbe\u8ba1\u7279\u6027\u548c\u89c4\u683c\u7684\u6743\u5229\u3002\u6709\u5173\u6700\u65b0\u7684\u6280\u672f\u53c2\u6570\uff0c\u8bf7\u53c2\u8003\u6211\u4eec\u7684\u5b98\u65b9\u6587\u6863\u3002\u5728\u6b64\u63d0\u4f9b\u7684\u4fe1\u606f\u4e0e\u6700\u65b0\u4ea7\u54c1\u89c4\u683c\u4e4b\u95f4\u5b58\u5728\u5dee\u5f02\u65f6\uff0c\u5c06\u4e0d\u4f1a\u53e6\u884c\u901a\u77e5\u3002\n\n## \u901a\u4fe1\u534f\u8bae\n\n**\u901a\u8baf\u57fa\u672c\u53c2\u6570**\n\n\u7f16&nbsp;\u78018 \u4f4d\u4e8c\u8fdb\u5236\u6570\u636e\u4f4d8&nbsp;\u4f4d\u5947\u5076\u6821\u9a8c\u4f4d\u65e0\u505c\u6b62\u4f4d1&nbsp;\u4f4d\u9519\u8bef\u6821\u9a8cCRC\uff08\u5197\u4f59\u5faa\u73af\u7801\uff09\u6ce2\u7279\u73872400bit\/s&nbsp;\u30014800bit\/s&nbsp;\u30019600 &nbsp;bit\/s \u53ef\u8bbe\uff0c\u51fa\u5382\u9ed8\u8ba4\u4e3a&nbsp;4800bit\/s\n\n**\u6570\u636e\u5e27\u683c\u5f0f\u5b9a\u4e49**\n\n\u91c7\u7528&nbsp;ModBus-RTU&nbsp;&nbsp;\u901a\u8baf\u89c4\u7ea6\uff0c\u683c\u5f0f\u5982\u4e0b\uff1a\n\n\u521d\u59cb\u7ed3\u6784&nbsp;\u22654 &nbsp;\u5b57\u8282\u7684\u65f6\u95f4\n\n\u5730\u5740\u7801 =&nbsp;1&nbsp;&nbsp;\u5b57\u8282\n\n\u529f\u80fd\u7801 =&nbsp;1&nbsp;&nbsp;\u5b57\u8282\n\n\u6570\u636e\u533a =N &nbsp;\u5b57\u8282\n\n\u9519\u8bef\u6821\u9a8c =&nbsp;16&nbsp;&nbsp;\u4f4d&nbsp;CRC&nbsp;&nbsp;\u7801\n\n\u7ed3\u675f\u7ed3\u6784&nbsp;\u22654 &nbsp;\u5b57\u8282\u7684\u65f6\u95f4\n\n\u5730\u5740\u7801\uff1a\u4e3a\u53d8\u9001\u5668\u7684\u8d77\u59cb\u5730\u5740\uff0c\u5728\u901a\u8baf\u7f51\u7edc\u4e2d\u662f\u552f\u4e00\u7684\uff08\u51fa\u5382\u9ed8\u8ba4&nbsp;0x01\uff09\u3002\n\n\u529f\u80fd\u7801\uff1a\u4e3b\u673a\u6240\u53d1\u6307\u4ee4\u529f\u80fd\u6307\u793a\uff0c\u672c\u53d8\u9001\u5668\u53ea\u7528\u5230\u529f\u80fd\u7801&nbsp;0x03\uff08\u8bfb\u53d6\u5bc4\u5b58\u5668\u6570\u636e\uff09\u3002\n\n\u6570\u636e\u533a\uff1a\u6570\u636e\u533a\u662f\u5177\u4f53\u901a\u8baf\u6570\u636e\uff0c\u6ce8\u610f\u00a016bits\u00a0\u6570\u636e\u9ad8\u5b57\u8282\u5728\u524d\uff01\n\nCRC&nbsp;\u7801\uff1a\u4e8c\u5b57\u8282\u7684\u6821\u9a8c\u7801\u3002\n\n**\u4e3b\u673a\u95ee\u8be2\u5e27\u7ed3\u6784\uff1a**\n\n\u5730\u5740\u7801\u529f\u80fd\u7801\u5bc4\u5b58\u5668\u8d77\u59cb\u5730\u5740\u5bc4\u5b58\u5668\u957f\u5ea6\u6821\u9a8c\u7801\u4f4e\u5b57\u8282\u6821\u9a8c\u7801\u9ad8\u5b57\u82821&nbsp;\u5b57\u82821&nbsp;\u5b57\u82822&nbsp;\u5b57\u82822&nbsp;\u5b57\u82821&nbsp;\u5b57\u82821&nbsp;\u5b57\u8282\n\n**\u4ece\u673a\u5e94\u7b54\u5e27\u7ed3\u6784\uff1a**\n\n\u5730\u5740\u7801\u529f\u80fd\u7801\u6709\u6548\u5b57\u8282\u6570\u6570\u636e\u4e00\u533a\u6570\u636e\u4e8c\u533a\u6570\u636eN&nbsp;\u533a\u6821\u9a8c\u7801\u4f4e\u5b57\u8282\u6821\u9a8c\u7801\u9ad8\u5b57\u82821&nbsp;\u5b57\u82821&nbsp;\u5b57\u82821&nbsp;\u5b57\u82822&nbsp;\u5b57\u82822&nbsp;\u5b57\u82822&nbsp;\u5b57\u82821&nbsp;\u5b57\u82821&nbsp;\u5b57\u8282\n\n**\u901a\u8baf\u5bc4\u5b58\u5668\u5730\u5740\u8bf4\u660e**\n\n\u5bc4\u5b58\u5668\u4e2d\u7684\u5185\u5bb9\u5982\u4e0b\u8868\u6240\u793a\uff08\u652f\u630103\/04\u529f\u80fd\u7801\uff09\uff1a\n\n\u5bc4\u5b58\u5668\u5730\u5740PLC&nbsp;\u6216\u7ec4\u6001\u5730\u5740\u5185\u5bb9\u64cd\u4f5c\u5b9a\u4e49\u8bf4\u660e50040501\u98ce\u901f\u503c\u53ea\u8bfb\u5b9e\u9645\u503c\u7684&nbsp;10 \u500d&nbsp;501&nbsp;40502&nbsp;\u98ce\u529b&nbsp;\u53ea\u8bfb\u5b9e\u9645\u503c\uff08\u5f53\u524d\u98ce\u901f\u5bf9\u5e94\u7684\u98ce\u7ea7\u503c\uff09&nbsp;502&nbsp;40503&nbsp;\u98ce\u5411\uff080-7&nbsp;\u6863\uff09&nbsp;\u53ea\u8bfb\u5b9e\u9645\u503c\uff08\u6b63\u5317\u65b9\u5411\u4e3a&nbsp;0\uff0c\u987a\u65f6\u9488\u589e\u52a0\u6570\u503c\uff0c\u6b63\u4e1c\u65b9\u4e3a&nbsp;2\uff09&nbsp;503&nbsp;40504&nbsp;\u98ce\u5411\uff080-360&nbsp;\u00b0&nbsp;)&nbsp;\u53ea\u8bfb\u5b9e\u9645\u503c\uff08\u6b63\u5317\u65b9\u5411\u4e3a&nbsp;0&nbsp;\u00b0\u987a\u65f6\u9488\u589e\u52a0\u5ea6\u6570\uff0c\u6b63\u4e1c\u65b9\u4e3a&nbsp;90&nbsp;\u00b0&nbsp;)50440505\u6e7f\u5ea6\u503c\u53ea\u8bfb\u5b9e\u9645\u503c\u7684&nbsp;10 \u500d50540506\u6e29\u5ea6\u503c\u53ea\u8bfb\u5b9e\u9645\u503c\u7684&nbsp;10 \u500d50640507\u566a\u58f0\u503c\u53ea\u8bfb\u5b9e\u9645\u503c\u7684&nbsp;10 \u500d&nbsp;507&nbsp;40508PM2.5 \u503c\uff08\u82e5\u9009&nbsp;CO2&nbsp;\u7c7b\u578b\u8bbe\u5907\u5219\u6b64\u5bc4\u5b58\u5668\u4e3a&nbsp;CO2 \u503c\uff09&nbsp;\u53ea\u8bfb&nbsp;\u5b9e\u9645\u503c&nbsp;508&nbsp;40509PM10 \u503c\uff08\u82e5\u9009&nbsp;CO2 \u7c7b\u578b\u8bbe\u5907\u5219\u6b64\u5bc4\u5b58\u5668\u4e3a\u7a7a\uff09&nbsp;\u53ea\u8bfb&nbsp;\u5b9e\u9645\u503c50940510\u5927\u6c14\u538b\u503c\uff08\u5355\u4f4d&nbsp;kPa,\uff09\u53ea\u8bfb\u5b9e\u9645\u503c\u7684&nbsp;10 \u500d\n\n**\u901a\u8baf\u534f\u8bae\u793a\u4f8b\u4ee5\u53ca\u89e3\u91ca**\n\n**\u4e3e\u4f8b\uff1a**\u8bfb\u53d6\u53d8\u9001\u5668\u8bbe\u5907\uff08\u5730\u5740\u00a0**0x01**\uff09\u7684\u5b9e\u65f6\u98ce\u901f\u503c\n\n\u95ee\u8be2\u5e27\n\n\u5730\u5740\u7801\u529f\u80fd\u7801\u8d77\u59cb\u5730\u5740\u6570\u636e\u957f\u5ea6\u6821\u9a8c\u7801\u4f4e\u5b57\u8282\u6821\u9a8c\u7801\u9ad8\u5b57\u82820x010x030x01&nbsp;&nbsp;&nbsp;&nbsp;0xF40x00&nbsp;&nbsp;&nbsp;&nbsp;0x010x&nbsp;C40x04\n\n\u5e94\u7b54\u5e27\n\n\u5730\u5740\u7801\u529f\u80fd\u7801\u8fd4\u56de\u6709\u6548\u5b57\u8282\u6570\u98ce\u901f\u503c\u6821\u9a8c\u7801\u4f4e\u5b57\u8282\u6821\u9a8c\u7801\u9ad8\u5b57\u82820x010x030x020x00&nbsp;&nbsp;&nbsp;&nbsp;0x7D0x780x65\n\n\u5b9e\u65f6\u98ce\u901f\u8ba1\u7b97\uff1a\n\n\u98ce\u901f\uff1a007D (\u5341\u516d\u8fdb\u5236)=&nbsp;125 =&gt; &nbsp;\u98ce\u901f =&nbsp;12.5&nbsp;m\/s\n\n**\u4e3e\u4f8b\uff1a**\u8bfb\u53d6\u53d8\u9001\u5668\u8bbe\u5907\uff08\u5730\u5740\u00a0**0x01**\uff09\u7684\u98ce\u5411\u503c\n\n\u95ee\u8be2\u5e27\n\n\u5730\u5740\u7801\u529f\u80fd\u7801\u8d77\u59cb\u5730\u5740\u6570\u636e\u957f\u5ea6\u6821\u9a8c\u7801\u4f4e\u5b57\u8282\u6821\u9a8c\u7801\u9ad8\u5b57\u82820x010x030x01&nbsp;&nbsp;&nbsp;&nbsp;0xF60x00&nbsp;&nbsp;&nbsp;&nbsp;0x010x650xC4\n\n\u5e94\u7b54\u5e27\n\n\u5730\u5740\u7801\u529f\u80fd\u7801\u8fd4\u56de\u6709\u6548\u5b57\u8282\u6570\u98ce\u5411\u503c\u6821\u9a8c\u7801\u4f4e\u5b57\u8282\u6821\u9a8c\u7801\u9ad8\u5b57\u82820x010x030x020x00&nbsp;&nbsp;&nbsp;&nbsp;0x020x390x85\n\n\u98ce\u5411\u8ba1\u7b97\uff1a\n\n\u98ce\u5411\uff1a0002 (\u5341\u516d\u8fdb\u5236)= 2 =&gt;&nbsp;&nbsp;\u98ce\u5411 =&nbsp;&nbsp;\u4e1c\u98ce\n\n**\u4e3e\u4f8b\uff1a**\u8bfb\u53d6\u53d8\u9001\u5668\u8bbe\u5907\uff08\u5730\u5740\u00a0**0x01**\uff09\u7684\u6e29\u6e7f\u5ea6\u503c\n\n\u95ee\u8be2\u5e27\n\n\u5730\u5740\u7801\u529f\u80fd\u7801\u8d77\u59cb\u5730\u5740\u6570\u636e\u957f\u5ea6\u6821\u9a8c\u7801\u4f4e\u4f4d\u6821\u9a8c\u7801\u9ad8\u4f4d0x010x030x01&nbsp;&nbsp;0xF80x00&nbsp;&nbsp;0x020x440x06\n\n\u5e94\u7b54\u5e27\uff08\u4f8b\u5982\u8bfb\u5230\u6e29\u5ea6\u4e3a-&nbsp;10.&nbsp;1\u2103&nbsp;,&nbsp;\u6e7f\u5ea6\u4e3a65.8%RH\uff09\n\n\u5730\u5740\u7801\u529f\u80fd\u7801\u6709\u6548\u5b57\u8282\u6570\u6e7f\u5ea6\u503c\u6e29\u5ea6\u503c\u6821\u9a8c\u7801\u4f4e\u4f4d\u6821\u9a8c\u7801\u9ad8\u4f4d0x010x030x040x02&nbsp;&nbsp;0x920xFF&nbsp;&nbsp;0x9B0x5A0x3D\n\n\u6e29\u5ea6\uff1a\u5f53\u6e29\u5ea6\u4f4e\u4e8e0\u2103\u65f6\u4ee5\u8865\u7801\u5f62\u5f0f\u4e0a\u4f20\n\n0xFF9B&nbsp;(\u5341\u516d\u8fdb\u5236)= -&nbsp;101 =&gt; &nbsp;\u6e29\u5ea6&nbsp;=&nbsp;-&nbsp;10.&nbsp;1\u2103\n\n\u6e7f\u5ea6\uff1a\n\n0x0292(\u5341\u516d\u8fdb\u5236)=658=&gt; &nbsp;\u6e7f\u5ea6 = 65.8%RH\n\n## \u603b\u7ed3\n\n\u4e00\u4f53\u5f0f\u6c14\u8c61\u7ad9\u4ee3\u8868\u4e86\u9ad8\u7cbe\u5ea6\u3001\u591a\u529f\u80fd\u7684\u6c14\u8c61\u89c2\u6d4b\u7cfb\u7edf\uff0c\u9002\u7528\u4e8e\u5404\u79cd\u73af\u5883\u76d1\u6d4b\u9700\u6c42\u3002\u5176\u7a33\u5b9a\u6027\u548c\u4fbf\u5229\u6027\u4f7f\u5176\u6210\u4e3a\u79fb\u52a8\u73af\u5883\u76d1\u6d4b\u7684\u9996\u9009\u4e4b\u4e00\u3002\n\n---\n*modbus.cn*\n"