"# \u8427\u80b2\u9752\u5de5\u4f5c\u5ba4\u201c\u00a0Modbus\u00a0\u5de5\u5177\u96c6\u201d,\u7528\u4e8e\u00a0Modbus \u8bbe\u5907\u7684\u901a\u4fe1\u4eff\u771f\u53ca\u8c03\u8bd5\n\n> 2023-11-15 | 2024-04-22\n> https:\/\/www.modbus.cn\/en\/25794.html\n\n**Modbus\u8c03\u8bd5\u5de5\u5177**\n\n---\n\n**\u524d\u8a00**\n\n\u201c Modbus \u5de5\u5177\u96c6\u201d\u662f\u8427\u80b2\u9752\u5de5\u4f5c\u5ba4\u6839\u636e\u591a\u5e74\u5de5\u7a0b\u5b9e\u8df5\uff0c\u5728\u6574\u5408\u4e86\u5f53\u524d\u76f8\u5173\u8f6f\u4ef6\u7684\u957f\u5904\u548c\u4e0d\u8db3 \u7684\u57fa\u7840\u4e0a\u81ea\u4e3b\u7814\u53d1\u7684\u5de5\u5177\u5e94\u7528\u8f6f\u4ef6\uff0c \u7528\u4e8e Modbus \u8bbe\u5907\u7684\u901a\u4fe1\u4eff\u771f\u53ca\u8c03\u8bd5\u3002\n\n**V 5.0.0 \u66f4\u65b0**\n\n- \u7528\u6237\u754c\u9762 (UI) \u6846\u67b6\u63d0\u5347\u4e3a\u6700\u65b0\u7684 Windows UI \u5e93 (WinUI) 3 \uff1b\n\n- \u76ee\u6807\u6846\u67b6\u63d0\u5347\u4e3a .NET 7.0\uff1b\n\n- \u652f\u6301\u591a\u8bed\u8a00\uff1a\u4e2d\u6587\uff08\u7b80\u4f53\uff09\u3001\u82f1\u8bed\u3001\u6cd5\u8bed\u548c\u5fb7\u8bed\uff1b\n\n- \u4fee\u590d\u4e86\u5176\u5b83\u7f3a\u9677\u3002\n\n**\u8fd1\u671f\u66f4\u65b0**\n\n- \u4e3a\u6ee1\u8db3\u4e00\u6b21\u8bbf\u95ee\u4e0d\u540c\u7c7b\u578b\u548c\u683c\u5f0f\u7684\u5bc4\u5b58\u5668\u6570\u636e\u7684\u573a\u5408\uff0c\u63d0\u5347\u4e86\u6570\u636e\u8bbe\u7f6e\u529f\u80fd\u3002\u53ef\u5206\u522b\u5b9a\u4e49\u6570\u636e\u5217\u8868\u4e2d\u5404\u6570\u636e\u9879\u7684\u7c7b\u578b\u3001\u683c\u5f0f\u548c\u7f16\u7801\uff1b\n\n- \u5168\u9762\u63d0\u5347\u4e86\u62a5\u6587\u6536\u53d1\u53ca\u6821\u9a8c\u673a\u5236\uff1b\n\n- \u4ee5\u4e3b\u7ad9\/\u5ba2\u6237\u7aef\u8fd0\u884c\u65f6\u589e\u52a0\u4e86\u81ea\u7531\u534f\u8bae\uff0c\u7528\u4e8e\u652f\u6301\u672c\u5e94\u7528\u672a\u63d0\u4f9b\u7684 Modbus \u516c\u5171\u529f\u80fd\u7801\u3001Modbus \u7528\u6237\u81ea\u5b9a\u4e49\u529f\u80fd\u7801\u548c Modbus \u4e4b\u5916\u7684\u201c\u81ea\u7531\u53e3\u201d\u901a\u4fe1\u3002\n\n**\u4e0b\u8f7d\u94fe\u63a5**\n\n\u4e3a\u65b9\u4fbf\u4e0d\u540c\u7528\u6237\u7684\u9700\u6c42\uff0c \u63d0\u4f9b\u4e86\u201c**\u767e\u5ea6\u7f51\u76d8**\u201d\u7684\u4e0b\u8f7d\u94fe\u63a5\uff1b**\u5e95\u90e8\u8fdb\u884c\u8bc4\u8bba\uff0c\u5373 \u53ef\u83b7\u5f97\u6700\u65b0\u7248\u672c\u7684\u4e0b\u8f7d\u94fe\u63a5\u3002**\n\n## 1.\u7cfb\u7edf\u9700\u6c42\n\n### \u786c\u4ef6\n\n- \u5904\u7406\u5668 1 GHz\n\n- \u5185\u5b58 512 MB\n\n- \u78c1\u76d8\u7a7a\u95f4\uff08\u6700\u5c0f\u503c\uff094.5 GB\n\n### \u64cd\u4f5c\u7cfb\u7edf\n\n- Windows 11\n\n- Windows 10\n\n\u25fc \u76ee\u6807\u7248\u672c\uff1aWindows 10 \u7248\u672c 2004 (\u5185\u90e8\u7248\u672c 19041) \u6216\u66f4\u9ad8\u7248\u672c\uff1b\n\n\u25fc \u6700\u4f4e\u7248\u672c\uff1aWindows 10 \u7248\u672c 1809 (\u5185\u90e8\u7248\u672c 17763) \u3002\n\n### \u8bed\u8a00\n\n\u7528\u6237\u754c\u9762\u652f\u6301\u4e0b\u5217\u8bed\u8a00\uff1a\n\n- \u4e2d\u6587\uff08\u7b80\u4f53\uff09\n\n- \u82f1\u8bed\n\n- \u6cd5\u8bed\n\n- \u5fb7\u8bed\n\n## \u5b89\u88c5\n\n### \u5b89\u88c5\n\n- \u53cc\u51fb\u5df2\u4e0b\u8f7d\u7684\u81ea\u89e3\u538b\u5b89\u88c5\u5305\u6587\u4ef6\u201cModbus_Toolkit_V5.x.x.exe\u201d\uff0c\u89e3\u538b\u7f29\u5230\u6307\u5b9a\u5b89\u88c5\u6587\u4ef6\u5939\uff1b\n\n- \u5728\u5b89\u88c5\u6587\u4ef6\u5939\u4e2d\u53cc\u51fb\u6587\u4ef6\u201csetup.exe\u201d\uff0c\u5f00\u59cb\u672c\u5e94\u7528\u8f6f\u4ef6\u7684\u5b89\u88c5\u3002\u5982\u56fe 2-1 \u6240\u793a\uff1a\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2023\/11\/20231115214923559.png)\n\n\u56fe 2 -1. \u5b89\u88c5\u5411\u5bfc\n\n### Windows \u9632\u706b\u5899\u8bbe\u7f6e\n\n\u9996\u6b21\u4f5c\u4e3a TCP\/UDP \u670d\u52a1\u5668\u201c\u6253\u5f00\u201d\u65f6\uff0cWindows \u4f1a\u63d0\u793a \u201c\u5b89\u5168\u4e2d\u5fc3\u8b66\u62a5\u201d\u3002\u5982\u56fe 2-2 \u6240\u793a\uff1a\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2023\/11\/20231115214958901.png)\n\n\u56fe 2 -2. Windows \u5b89\u5168\u4e2d\u5fc3\u8b66\u62a5\n\n\u8bf7\u5c06\u201c**\u4e13\u7528\u7f51\u7edc**\u201d\u548c\u201c**\u516c\u7528\u7f51\u7edc**\u201d\u5747\u52fe\u9009\u540e\u5355\u51fb\u201c\u5141\u8bb8\u8bbf\u95ee\u201d\u3002\n\n## \u529f\u80fd\u7279\u6027\n\n### \u901a\u4fe1\u534f\u8bae\n\n\u652f\u6301\u6240\u6709 Modbus \u6807\u51c6\u534f\u8bae\uff1a\n\n\u25fc Modbus RTU\n\n\u25fc Modbus ASCII\n\n\u25fc Modbus TCP\/IP\n\n- Free \/ \u201c\u81ea\u7531\u201d\u534f\u8bae\uff08\u4ec5\u4e3b\u7ad9\/\u5ba2\u6237\u7aef\u53ef\u7528\uff09\uff1a\u7528\u4e8e\u652f\u6301 Modbus \u4e4b\u5916\u7684\u201c\u81ea\u7531\u53e3\u201d\u901a\u4fe1\u548c\u672c\u5e94\u7528\u672a\u63d0\u4f9b\u7684 Modbus \u516c\u5171\u529f\u80fd\u7801\u3001Modbus \u7528\u6237\u81ea\u5b9a\u4e49\u529f\u80fd\u7801\u3002\n\n### \u8fde\u63a5\n\n- \u9664 Modbus \u6807\u51c6\u7684\u8fde\u63a5\u65b9\u5f0f\uff08Serial Port \u548c TCP\/IP\uff09\u4e4b\u5916\uff0c\u6269\u5c55\u4e86 UDP\/IP \u8fde\u63a5\uff1b\n\n- \u5bf9\u4e8e TCP\/IP \u548c UDP\/IP \u8fde\u63a5\uff0c\u652f\u6301\u4e0a\u8ff0\u6240\u6709\u534f\u8bae\uff1b\n\n- \u5bf9\u4e8e Serial Port \u8fde\u63a5\uff0c\u4ec5\u652f\u6301 Modbus RTU \u3001Modbus ASCII \u548c Free \u534f\u8bae\u3002\n\n### \u53ef\u4f5c\u4e3a\u4e0d\u540c\u7684\u901a\u4fe1\u89d2\u8272\u5de5\u4f5c\n\n- \u8fde\u63a5\u4e3a\"Serial Port\"\u65f6\u53ef\u5206\u522b\u4f5c\u4e3a\u4e3b\u7ad9\u6216\u4ece\u7ad9\u5de5\u4f5c\uff1b\n\n- \u8fde\u63a5\u4e3a\"TCP\/IP\"\u6216\"UDP\/IP\"\u65f6\u65f6\u53ef\u5206\u522b\u4f5c\u4e3a\u5ba2\u6237\u7aef\u6216\u670d\u52a1\u5668\u5de5\u4f5c\u3002\n\n### \u7528\u6237\u8bbe\u7f6e\u8bb0\u5fc6\u529f\u80fd\n\n- \u81ea\u52a8\u4fdd\u5b58\u7528\u6237\u6240\u505a\u7684\u8bbe\u7f6e\u4fee\u6539\uff0c\u518d\u6b21\u8fd0\u884c\u65f6\u5c06\u6062\u590d\u7528\u6237\u73af\u5883\uff1b\n\n- \u8bbe\u6709\u201c\u6062\u590d\u7f3a\u7701\u8bbe\u7f6e\u201d\u6309\u94ae\uff0c\u7528\u4ee5\u5c06\u6240\u6709\u8bbe\u7f6e\u53c2\u6570\u6062\u590d\u4e3a\u51fa\u5382\u503c\u3002\n\n### \u5f00\u53d1\u8005\u5b9e\u7528\u5de5\u5177\n\n- Modbus RTU \u62a5\u6587\u3001Modbus ASCII \u62a5\u6587\u548c Modbus TCP\/IP \u62a5\u6587\u95f4\u7684\u76f8\u4e92\u8f6c\u6362\uff0c\u81ea\u52a8\u8ba1\u7b97\u6821\u9a8c\u7801 CRC\/LRC\uff1b\n\n- \u201c\u62a5\u6587\u5730\u5740\u201d\u548c\u201c\u8bbe\u5907\u5730\u5740\u201d\u95f4\u7684\u76f8\u4e92\u8f6c\u6362\uff1b\n\n- \u4e0d\u540c\u6570\u636e\u7c7b\u578b\u7684\u5341\u8fdb\u5236\u683c\u5f0f\u4e0e\u5341\u516d\u8fdb\u5236\u683c\u5f0f\u3001\u4e8c\u8fdb\u5236\u683c\u5f0f\u95f4\u7684\u76f8\u4e92\u8f6c\u6362\uff1b\n\n- ASCII \u7801\u5bf9\u7167\u8868\uff1b\n\n- \u672c\u673a IP \u5730\u5740\uff1b\n\n- \u672c\u673a\u4e32\u53e3\u8bbe\u5907\u3002\n\n### \u8bbe\u7f6e\u53c2\u6570\u9a8c\u8bc1\u529f\u80fd\n\n\u5f53\u4fee\u6539\u5404\u8bbe\u7f6e\u53c2\u6570\u65f6\uff0c\u6839\u636e\u89c4\u8303\u5bf9\u6240\u8f93\u5165\u7684\u53c2\u6570\u8fdb\u884c\u5408\u6cd5\u6027\u9a8c\u8bc1\u3002\n\n- \u82e5\u8f93\u5165\u7684\u53c2\u6570\u975e\u6cd5\uff0c\u5c06\u5728\u8be5\u53c2\u6570\u4e0a\u65b9\u5f39\u51fa\u9519\u8bef\u63d0\u793a\uff1b\n\n- \u82e5\u8f93\u5165\u7684\u53c2\u6570\u5408\u6cd5\u4f46\u4e0d\u5b89\u5168\uff0c\u4ec5\u5728\u9876\u90e8\u72b6\u6001\u680f\u4e88\u4ee5\u8b66\u544a\uff1b\n\n- \u81f3\u5c11\u6709\u4e00\u4e2a\u53c2\u6570\u975e\u6cd5\u65f6\u5c06\u7981\u6b62\u201c\u8fde\u63a5\u201d\/\u201c\u542f\u52a8\u201d\u3002\n\n\u53c2\u6570\u9a8c\u8bc1\u793a\u4f8b\u5982\u56fe 3-1 \u6240\u793a\uff1a\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2023\/11\/20231115215431499.png?x-oss-process=image\/resize,m_lfit,w_950,h_714)\n\n\u56fe 3 -1. \u53c2\u6570\u9a8c\u8bc1\u4f8b\n\n### \u4e2a\u6027\u5316\u754c\u9762\u8bbe\u7f6e\n\n\u5141\u8bb8\u4e2a\u6027\u5316\u8bbe\u7f6e\u5e94\u7528\u7684\u754c\u9762\uff0c\u5e76\u81ea\u52a8\u4fdd\u5b58\u8bbe\u7f6e\u53c2\u6570\u3002\n\n- \u5e94\u7528\u7684\u4e3b\u9898\uff1b\n\n- \u5e94\u7528\u7684\u754c\u9762\u8bed\u8a00\uff1b\n\n- \u5e94\u7528\u7684\u7a97\u53e3\u5c3a\u5bf8\u3002\n\n## \u9875\u9762\u548c\u5bfc\u822a\n\n\u672c\u5e94\u7528\u91c7\u7528\u4e86\u57fa\u4e8e\u9875\u9762\u7684\u5bfc\u822a\u7cfb\u7edf\uff0c \u754c\u9762\u76f4\u89c2\u6e05\u6670\u3002\u5982\u56fe 4-1 \u6240\u793a\uff1a\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2023\/11\/20231115215634101.png?x-oss-process=image\/resize,m_lfit,w_950,h_659)\n\n\u5176\u4e2d\uff1a\n\n\u2460 \u5bfc\u822a\u680f\uff1a\u542b\u6709\u94fe\u63a5\u5230\u5404\u9875\u9762\u7684\u5bfc\u822a\u6309\u94ae\uff0c\u7528\u4e8e\u5bfc\u822a\u81f3\u5404\u9875\u9762\uff1b\n\n\u2461\u201c\u6c49\u5821\u5305\u201d\uff08Hamburger\uff09\u6309\u94ae\uff0c\u7528\u4e8e\u5c55\u5f00\/\u6298\u53e0\u5bfc\u822a\u680f\uff1b\n\n\u2462\u8fd4\u56de\u6309\u94ae\uff0c\u7528\u4e8e\u8fd4\u56de\u524d\u4e00\u4e2a\u9875\u9762\uff1b\n\n\u2463 \u4fe1\u606f\u680f\uff1a\u663e\u793a\u5404\u7c7b\u62a5\u8b66\u6d88\u606f\uff1b\n\n\u2464 \u72b6\u6001\u680f\uff1a\u663e\u793a\u5f53\u524d\u8fde\u63a5\u72b6\u6001\u53ca\u8fd0\u884c\u72b6\u6001\n\n- \u8fde\u63a5\u72b6\u6001\u6307\u793a\uff1a \u2013 \u5df2\u8fde\u63a5\uff0c \u2013 \u672a\u8fde\u63a5\uff1b\n\n- \u534f\u8bae\u6307\u793a\uff1aModbus RTU \/ Modbus ASCII \/ Modbus TCP\/IP\uff1b\n\n- \u8fd0\u884c\u89d2\u8272\u6307\u793a\uff1a\n\n\u27a2 \u5bf9\u4e8e Modbus RTU \/Modbus ASCII \u534f\u8bae\uff0c\u89d2\u8272\u4e3a\u4e3b\u7ad9\/\u4ece\u7ad9\uff1b\n\n\u27a2 \u5bf9\u4e8e Modbus TCP\/IP \u534f\u8bae\uff0c\u89d2\u8272\u4e3a\u5ba2\u6237\u7aef\/\u670d\u52a1\u5668\u3002\n\n- \u901a\u4fe1\u8282\u70b9\u6307\u793a\uff1a\n\n\u27a2 \u5bf9\u4e8e Serial Port \u8fde\u63a5\u603b\u662f@\uff0c\u901a\u4fe1\u8282\u70b9\u603b\u662f\u672c\u5730\u4e32\u53e3\u8bbe\u5907\uff1b\n\n\u27a2 \u5bf9\u4e8e TCP\/IP \u548c UDP\/IP \u8fde\u63a5\uff0c\u89d2\u8272\u4e3a\u670d\u52a1\u5668\u65f6\u6307\u793a\u4e3a@\uff0c\u901a\u4fe1\u8282\u70b9\u4e3a\u672c\u5730\n\n\u7f51\u7edc\u7ec8\u7ed3\u70b9\uff08IP \u5730\u5740\u548c\u7aef\u53e3\u53f7\uff09\uff1b\u89d2\u8272\u4e3a\u5ba2\u6237\u7aef\u65f6\u6307\u793a\u4e3a \uff0c\u901a\u4fe1\u8282\u70b9\u4e3a\n\n\u8fdc\u7a0b\u7f51\u7edc\u7ec8\u7ed3\u70b9\uff08IP \u5730\u5740\u548c\u7aef\u53e3\u53f7\uff09\u3002\n\n- \u901a\u4fe1\u8282\u70b9\u53c2\u6570\uff1a\n\n\u27a2 \u5bf9\u4e8e Serial Port \u8fde\u63a5\u6307\u793a\uff1a[\u901a\u4fe1\u7aef\u53e3]\u6ce2\u7279\u7387-\u6570\u636e\u4f4d-\u6821\u9a8c\u4f4d-\u505c\u6b62\u4f4d\u3002\n\n\u4f8b\u5982\uff1a[COM1]19200-8-\u5076\u6821\u9a8c-1\uff1b\n\n\u27a2 \u5bf9\u4e8e TCP\/IP \u548c UDP\/IP \u8fde\u63a5\u6307\u793a\uff1a\u8fde\u63a5[IP \u5730\u5740]:\u7aef\u53e3\u53f7\u3002\n\n\u4f8b\u5982\uff1aTCP\/IP [192.168.0.104]:502\u3002\n\n- \u4ece\u7ad9\u5730\u5740\/\u5355\u5143\u6807\u8bc6\u6307\u793a\uff0c\u4f8b\u5982\uff1a\u5730\u5740\uff1a1\uff1b\n\n- \u8fd0\u884c\u72b6\u6001\u6307\u793a\uff1a \u2014 \u505c\u6b62\uff1b \u2014 \u542f\u52a8\n\n\u2465 \u901a\u4fe1\u9009\u9879\u680f\uff08\u4ec5\u5f53\u8fd0\u884c\u89d2\u8272\u4e3a\u4e3b\u7ad9\/\u5ba2\u6237\u7aef\u65f6\u53ef\u89c1\uff09\uff1a\u7528\u4e8e\u8bbe\u7f6e\u5404\u901a\u4fe1\u9009\u9879\uff0c\u8be6\u89c1\u901a\n\n\u4fe1\u9875\u9762\u7ae0\u8282\uff1b\n\n\u2466 \u64cd\u4f5c\u6309\u94ae\uff1a\u8be6\u89c1\u8fde\u63a5\u9875\u9762\/\u901a\u4fe1\u9875\u9762\u7ae0\u8282\u3002\n\n\u5f53\u5c06\u9f20\u6807\u7f6e\u4e8e\u5404\u6309\u94ae\u5904\uff0c\u5c06\u81ea\u52a8\u5f39\u51fa\u63d0\u793a\u4fe1\u606f\u3002\n\n### \u8fde\u63a5\u9875\u9762\n\n\u8fde\u63a5\u9875\u9762\u7528\u4e8e\u8bbe\u7f6e\u8fde\u63a5\u65b9\u5f0f\u3001\u901a\u4fe1\u534f\u8bae\u3001\u8fd0\u884c\u89d2\u8272\u53ca\u8fde\u63a5\u53c2\u6570\u3002\u5982\u56fe 4-2 \u6240\u793a\uff1a\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2023\/11\/20231115220309747.png?x-oss-process=image\/resize,m_lfit,w_950,h_813)\n\n\u5176\u4e2d\uff1a\n\n\u2460\uff08\u4e3b\u7ad9\u6216\u5ba2\u6237\u7aef\uff09\u8fde\u63a5\/\uff08\u4ece\u7ad9\u6216\u670d\u52a1\u5668\uff09\u6253\u5f00\u6309\u94ae\uff1b\n\n\u2461\uff08Windows 11\uff09\/ \uff08Windows 10\uff09\uff1a\uff08\u4e3b\u7ad9\u6216\u5ba2\u6237\u7aef\uff09\u65ad\u5f00\/\uff08\u4ece\u7ad9\u6216\u670d\u52a1\u5668\uff09\u5173\u95ed\u6309\u94ae\u3002\n\n**\u6ce8\u610f\uff1a\u9664\u201c\u65f6\u95f4\u53c2\u6570\u201d\u5916\uff0c\u5176\u5b83\u5404\u8bbe\u7f6e\u680f\u4ec5\u5f53\u65ad\u5f00\/\u5173\u95ed\u8fde\u63a5\u65f6\u65b9\u53ef\u66f4\u6539\uff01**\n\n#### \u8fde\u63a5\n\n\u7531\u4e0b\u62c9\u83dc\u5355\u9009\u62e9\u8fde\u63a5\u65b9\u5f0f\u3002\n\n- **Serial Port**\n\n**\u5f53\u8fd0\u884c\u89d2\u8272\u4e3a\u4ece\u7ad9\u65f6\uff0c\u540c\u4e00\u65f6\u523b\u4ec5\u5141\u8bb8\u4e00\u4e2a\u4e3b\u7ad9\u8bbf\u95ee**\uff01\u82e5\u591a\u4e2a\u4e3b\u7ad9\u540c\u65f6\u4e0e\u540c\u4e00\u4ece\u7ad9\u901a\u4fe1\u53ef\u80fd\u5bfc\u81f4\u9519\u8bef\uff01\n\n- **TCP\/IP**\n\n\u5f53\u8fd0\u884c\u89d2\u8272\u4e3a\u670d\u52a1\u5668\u65f6\uff0c\u53ef\u540c\u65f6\u5904\u7406\u7684\u5ba2\u6237\u7aef\u6570\u91cf\u7531\u201c\u6700\u5927\u5ba2\u6237\u7aef\u6570\u201d\uff08\u8be6\u89c1\u201c\u670d\u52a1\u5668\u8bbe\u7f6e\u201d\u4e00\u8282\uff09\u8bbe\u7f6e\uff1b\n\n- **UDP\/IP**\n\n\u5f53\u8fd0\u884c\u89d2\u8272\u4e3a\u670d\u52a1\u5668\u65f6\uff0c\u53ef\u540c\u65f6\u5904\u7406\u7684\u5ba2\u6237\u7aef\u6570\u91cf\u4e0d\u9650\uff08\u4ec5\u53d7\u7cfb\u7edf\u8d44\u6e90\u9650\u5236\uff09\u3002\n\n#### \u8fd0\u884c\u89d2\u8272\n\n- \u8fde\u63a5\u4e3a\"Serial Port\"\u65f6\u53ef\u5206\u522b\u4f5c\u4e3a\u4e3b\u7ad9\u6216\u4ece\u7ad9\u5de5\u4f5c\n\n\u5141\u8bb8\u6253\u5f00\u591a\u4e2a\u5b9e\u4f8b\uff08\u6267\u884c\u591a\u6b21\u672c\u5e94\u7528\u7a0b\u5e8f\uff09\uff0c\u5206\u522b\u4f5c\u4e3a\u4e3b\u7ad9\u6216\u4ece\u7ad9\u540c\u65f6\u5de5\u4f5c\u3002\n\n- \u8fde\u63a5\u4e3a\"TCP\/IP\"\u6216\"UDP\/IP\"\u65f6\u65f6\u53ef\u5206\u522b\u4f5c\u4e3a\u5ba2\u6237\u7aef\u6216\u670d\u52a1\u5668\u5de5\u4f5c\n\n\u25fc \u5141\u8bb8\u6253\u5f00\u591a\u4e2a\u5b9e\u4f8b\uff08\u591a\u6b21\u6267\u884c\u672c\u5e94\u7528\u7a0b\u5e8f\uff09\uff0c\u5206\u522b\u4f5c\u4e3a\u5ba2\u6237\u7aef\u6216\u670d\u52a1\u5668\u540c\u65f6\u5de5\n\n\u4f5c\uff1b\n\n\u25fc \u6253\u5f00\u591a\u4e2a\u5b9e\u4f8b\u65f6\uff0c\u4e00\u4e2a\u5ba2\u6237\u7aef\u53ef\u8bbf\u95ee\u591a\u4e2a\uff08\u672c\u673a\u6216\u7f51\u7edc\uff09\u670d\u52a1\u5668\uff0c\u4e00\u4e2a\u670d\u52a1\u5668\n\n\u53ef\u670d\u52a1\u4e8e\u591a\u4e2a\uff08\u672c\u673a\u6216\u7f51\u7edc\uff09\u5ba2\u6237\u7aef\u3002\n\n#### \u534f\u8bae\n\n\u7531\u4e0b\u62c9\u83dc\u5355\u9009\u62e9\u901a\u4fe1\u534f\u8bae\u3002\n\n- \u5f53\u201c\u8fde\u63a5\u201d\u4e3a\u201cTCP\/IP\u201d\u6216\u201cUDP\/IP\u201d\u65f6\uff0c\u53ef\u9009\u9879\u4e3a\uff1a\n\n\u25fc Modbus RTU\uff1b\n\n\u25fc Modbus ASCII\uff1b\n\n\u25fc Modbus TCP\/IP\u3002\n\n- \u5f53\u201c\u8fde\u63a5\u201d\u4e3a\u201cSerial Port\u201d\u65f6\uff0c\u53ef\u9009\u9879\u4e3a\uff1a\n\n\u25fc Modbus RTU\uff1b\n\n\u25fc Modbus ASCII\u3002\n\n- \u5f53\u201c\u8fd0\u884c\u89d2\u8272\u201d\u4e3a\u201c\u4e3b\u7ad9\u201d \/ \u201c\u5ba2\u6237\u7aef\u201d\u65f6\uff0c\u53ef\u9009\u9879\u589e\u52a0\u201cFree\u201d\uff08\u81ea\u7531\u534f\u8bae\uff09\n\n\u25fc \u81ea\u7531\u534f\u8bae\u7528\u4e8e\u652f\u6301\u672c\u5e94\u7528\u672a\u63d0\u4f9b\u7684 Modbus \u516c\u5171\u529f\u80fd\u7801\u3001Modbus \u7528\u6237\u81ea\u5b9a\u4e49\n\n\u529f\u80fd\u7801\u548c Modbus \u4e4b\u5916\u7684\u201c\u81ea\u7531\u53e3\u201d\u901a\u4fe1\uff1b\n\n\u25fc \u81ea\u7531\u534f\u8bae\u4e0b\uff0c\u7528\u6237\u987b\u624b\u52a8\u8f93\u5165\u201c\u8bf7\u6c42\u62a5\u6587\u201d\uff0c\u4e14\u672c\u5e94\u7528\u4e0d\u505a\u4efb\u4f55\u9a8c\u8bc1\uff1b\n\n\u25fc \u81ea\u7531\u534f\u8bae\u4e0b\uff0c\u4ec5\u663e\u793a\u6536\/\u53d1\u7684\u62a5\u6587\uff0c\u4e0d\u505a\u5176\u5b83\u5904\u7406\u3002\n\n#### \u65f6\u95f4\u53c2\u6570\n\n\u672c\u8282\u4e2d\u5404\u65f6\u95f4\u53c2\u6570\u7684\u5355\u4f4d\u5747\u4e3a\u6beb\u79d2\uff08ms\uff09\u3002\n\n- **\u8f6e\u8be2\u95f4\u9694\u65f6\u95f4**\uff08\u4ec5\u7528\u4e8e\u5ba2\u6237\u7aef\/\u4e3b\u7ad9\uff09\n\n\u5ba2\u6237\u7aef\/\u4e3b\u7ad9\u5b8c\u6210\u4e00\u6b21\u67e5\u8be2\u540e\u8ddd\u4e0b\u6b21\u53d1\u9001\u8bf7\u6c42\u7684\u5ef6\u65f6\u65f6\u95f4\u3002\n\n**100 \u2264 \u8f6e\u8be2\u65f6\u95f4 \u2264 2147483647**\u3002\n\n- **\u54cd\u5e94\u8d85\u65f6**\uff08\u4ec5\u7528\u4e8e\u5ba2\u6237\u7aef\/\u4e3b\u7ad9\uff09\n\n\u5ba2\u6237\u7aef\/\u4e3b\u7ad9\u53d1\u9001\u8bf7\u6c42\u540e\u7b49\u5f85\u670d\u52a1\u5668\/\u4ece\u7ad9\u54cd\u5e94\u7684\u6700\u5927\u65f6\u95f4\u3002\u82e5\u5728\u6b64\u65f6\u95f4\u5185\u672a\u6536\u5230\u54cd\n\n\u5e94\u5219\u8ba4\u4e3a\u901a\u4fe1\u6545\u969c\uff0c\u63d0\u793a\u62a5\u8b66\u4fe1\u606f\u3002\n\n**1000 \u2264 \u54cd\u5e94\u8d85\u65f6 \u2264 2147483647**\u3002\n\n\u6ce8\u610f\n\n\u5f53\u5ba2\u6237\u7aef\/\u4e3b\u7ad9\u67e5\u8be2\u7684\u53c2\u6570\u8f83\u591a\u6216\u901a\u4fe1\u901f\u7387\uff08\u6ce2\u7279\u7387\/\u7f51\u901f\uff09\u8f83\u4f4e\u65f6\uff0c\u53ef\u80fd\u53d1\u751f\u201c\u8d85\n\u65f6\u201d\u62a5\u8b66\uff01\u53ef\u9002\u5f53\u589e\u5927\u201c\u54cd\u5e94\u8d85\u65f6\u201d\u89e3\u51b3\uff0c\u4f46\u201c\u54cd\u5e94\u8d85\u65f6\u201d\u82e5\u8fc7\u5927\u672c\u5e94\u7528\u5c06\u65e0\u6cd5\u76d1\u6d4b\u53ef\n\u80fd\u7684\u901a\u4fe1\u6545\u969c\u3002\n\n- **\u8fde\u63a5\u8d85\u65f6**\uff08\u4ec5\u7528\u4e8e TCP\/IP \u8fde\u63a5\uff09\n\n\u25fc \u5bf9\u4e8e TCP \u5ba2\u6237\u7aef\uff1a\u53d1\u8d77\u8fde\u63a5\u540e\u7b49\u5f85\u670d\u52a1\u5668\u786e\u8ba4\u7684\u6700\u5927\u65f6\u95f4\u3002\u82e5\u5728\u6b64\u65f6\u95f4\u5185\u672a\n\n\u6536\u5230\u670d\u52a1\u5668\u786e\u8ba4\u5219\u8ba4\u4e3a\u901a\u4fe1\u6545\u969c\u5e76\u63d0\u793a\u62a5\u8b66\u4fe1\u606f\u3002\n\n**500 \u2264 \uff08\u5ba2\u6237\u7aef\uff09\u8fde\u63a5\u8d85\u65f6 \u2264 2147483647**\u3002\n\n\u25fc \u5bf9\u4e8e TCP \u670d\u52a1\u5668\uff1a\u5ba2\u6237\u7aef\u8fde\u63a5\u5efa\u7acb\u540e\uff0c\u5c06\u5468\u671f\u6027\u63a5\u6536\u5ba2\u6237\u7aef\u53d1\u9001\u8bf7\u6c42\u3002**\u8fde\u63a5\u8d85**\n\n**\u65f6**\u4e3a\u67e5\u8be2\u5ba2\u6237\u7aef\u53d1\u9001\u8bf7\u6c42\u7684\u5468\u671f\u65f6\u95f4\uff0c\u7528\u4ee5\u5224\u65ad\u5ba2\u6237\u7aef\u7684\u201c\u6d3b\u52a8\u201d\u72b6\u6001\u3002\u82e5\u7b49\u5f85\n\n\u5ba2\u6237\u7aef\u53d1\u9001\u8bf7\u6c42\u7684\u65f6\u95f4\u8d85\u51fa\u8fde\u63a5\u8d85\u65f6\u5219\u5c06\u8be5\u5ba2\u6237\u7aef\u6807\u8bb0\u4e3a\u201c**\u975e\u6d3b\u52a8**\u201d\u3002\u901a\u5e38\uff0c\u8fde\n\n\u63a5\u8d85\u65f6\u5e94\u5927\u4e8e\u5ba2\u6237\u7aef\u7684\u8f6e\u8be2\u95f4\u9694\u65f6\u95f4\u3002\n\n**1000 \u2264 \uff08\u670d\u52a1\u5668\uff09\u8fde\u63a5\u8d85\u65f6 \u2264 2147483647**\u3002\n\n#### \u4e32\u53e3\u8bbe\u7f6e\n\n\u7535\u8111\u65e0\u4e32\u53e3\u4e14\u9700\u8981\u4e0e\u4e32\u884c\u94fe\u8def\u901a\u4fe1\u65f6\uff0c\u53ef\u8fde\u63a5\u201cUSB-RS232\/485 \u8f6c\u6362\u5668\u201d\u4ee5\u6269\u5c55\u4e32\u53e3\u3002 \u7535\u8111\u65e0\u4e32\u53e3\u9700\u8981\u672c\u673a\u6a21\u62df\u6d4b\u8bd5\u65f6\uff0c\u53ef\u4f7f\u7528\u201c\u865a\u62df\u4e32\u53e3\u201d\u8f6f\u4ef6\u4ee5\u6269\u5c55\u865a\u62df\u4e32\u53e3\u3002\n\n```\n \u4e32\u53e3\u6807\u8bc6\uff1a\u4ec5\u5217\u672c\u5730\u53ef\u7528\u4e32\u53e3\uff08\u81ea\u52a8\u8bc6\u522b\uff09\u3002 \n\n \u6570\u636e\u4f4d\n\n\u6839\u636e Modbus \u89c4\u8303\uff0c\u5bf9\u4e8e Modbus RTU \u534f\u8bae\uff0c  \u6570\u636e\u4f4d\u5fc5\u987b\u4e3a 8\uff1b\n\n\u6839\u636e Modbus \u89c4\u8303\uff0c\u5bf9\u4e8e Modbus ASCII \u534f\u8bae\uff0c \u6570\u636e\u4f4d\u5fc5\u987b\u4e3a 7\uff1b\n\n\u5bf9\u4e8e\u81ea\u7531\u534f\u8bae\uff08Free\uff09\uff0c\u6570\u636e\u4f4d\u53ef\u4e3a 7 \u6216 8\u3002\n\n\u505c\u6b62\u4f4d\u4e0e\u6821\u9a8c\n\n\u5bf9\u4e8e Modbus RTU \/ Modbus ASCII \u534f\u8bae\uff1a\n\n\u5f53\u6821\u9a8c\u4e3a\u201c\u5947\/\u5076\u201d\u65f6\uff0c\u505c\u6b62\u4f4d\u5fc5\u987b\u4e3a 1\uff1b\n\n\u5f53\u6821\u9a8c\u4e3a\u201c\u65e0\u201d\u65f6\uff0c \u505c\u6b62\u4f4d\u5fc5\u987b\u4e3a 2\u3002\n\n\u5bf9\u4e8e\u81ea\u7531\u534f\u8bae\uff08Free\uff09\u4e0d\u505a\u9650\u5236\uff1a\n```\n\n\u6821\u9a8c\u53ef\u9009 None, Odd, Even, Mark, Space\uff1b\n\n\u505c\u6b62\u4f4d\u53ef\u9009\uff1a\u65e0 \uff0c1 \uff0c 2 \uff0c 1.5\u3002\n\n```\n\u672c\u5730\u4e32\u53e3\u8bbe\u5907\n```\n\n\u63d0\u4f9b\u672c\u5730\u4e32\u53e3\uff08\u5305\u62ec\u786c\u4ef6\u4e32\u53e3\u548c\u865a\u62df\u4e32\u53e3\uff09\u7684\u6807\u8bc6\uff0c\u4ee5\u65b9\u4fbf\u5f53\u88c5\u6709\u591a\u4e2a\u4e32\u53e3\u8bbe\u5907\u65f6\n\u9009\u62e9\u3002\n\u6ce8\u610f\uff0c \u865a\u62df\u4e32\u53e3\u4ec5\u7528\u4e8e\u672c\u5730\u673a\u8fdb\u7a0b\u95f4\u901a\u4fe1\uff0c\u4e0d\u53ef\u7528\u4e8e\u4e0e\u5916\u90e8\u8bbe\u5907\u95f4\u7684\u901a\u4fe1\u3002\n\n#### \u670d\u52a1\u5668\u8bbe\u7f6e\n\n```\n\u670d\u52a1\u5668\u8fde\u63a5\n```\n\n\u4ec5\u5f53\u201c\u534f\u8bae\u201d\u4e3a\u201cModbus TCP\/IP\u201d\u65f6\u53ef\u89c1\uff0c\u7528\u4e8e\u8bbe\u7f6e\u670d\u52a1\u5668\u7684\u8fde\u63a5\u65b9\u5f0f\u3002\n\n```\n\u76f4\u63a5\u8fde\u63a5\uff1a \u670d\u52a1\u5668\u76f4\u63a5\u8fde\u63a5\u5230\u7f51\u7edc\uff1b\n\n\u901a\u8fc7\u7f51\u6865\u6216\u7f51\u5173\u8fde\u63a5\uff1a\u670d\u52a1\u5668\u8fde\u63a5\u5230\u4e32\u884c\u94fe\u8def\u5b50\u7f51\uff0c\u5e76\u901a\u8fc7\u7f51\u6865\u6216\u7f51\u5173\u6765\u5bfb\u5740\u3002\n\n IP \u5730\u5740\u652f\u6301 IPv4  \u548c  IPv6  \u5bfb\u5740\u6a21\u5f0f\uff1b\n\n\u4efb\u4f55\u5730\u5740\uff08\u4f5c\u4e3a\u670d\u52a1\u5668\u8fd0\u884c\u65f6\uff09\n```\n\n\u5f53\u9009\u4e2d\u65f6\uff0c \u670d\u52a1\u5668\u5c06\u54cd\u5e94\u672c\u5730\u6240\u6709 IP \u5730\u5740\u6536\u5230\u7684\u5ba2\u6237\u7aef\u8bf7\u6c42\u3002\u201c\u4efb\u4f55\u5730\u5740\u201d\u663e\u793a\u4e3a\uff1a [0.0.0.0]\uff08IPv4\uff09\u6216 [::]\uff08IPv6\uff09\u3002\n\n```\n \u6700\u5927\u5ba2\u6237\u7aef\u6570\uff08\u4ec5\u7528\u4e8e TCP\/IP \u8fde\u63a5\u4e14\u8fd0\u884c\u89d2\u8272\u4e3a\u670d\u52a1\u5668\u65f6\uff09\n```\n\nTCP \u670d\u52a1\u5668\u53ef\u540c\u65f6\u5904\u7406\u7684\u5ba2\u6237\u7aef\u6570\u91cf\u4e0a\u9650 \u3002\u6839\u636e\u8bbe\u5907\u7c7b\u578b\uff0c\u8be5\u53c2\u6570\u7684\u503c\u53ef\u4ee5\u4ece 1 \u5230 16\u3002\n\u5f53\u8fde\u63a5\u6570\u91cf\u8fbe\u5230\u540c\u65f6\u8fde\u63a5\u4e0a\u9650\u4e14\u53c8\u6536\u5230\u65b0\u7684\u5ba2\u6237\u7aef\u8fde\u63a5\u8bf7\u6c42\u65f6\uff1a\n\n```\n\u82e5\u5b58\u5728\u201c\u975e\u6d3b\u52a8\u201d\u7684\u5ba2\u6237\u7aef\uff0c\u5219\u65ad\u5f00\u6700\u5148\u7684\u201c\u975e\u6d3b\u52a8\u201d\u7684\u5ba2\u6237\u7aef\u5e76\u63a5\u53d7\u65b0\u7684\u5ba2\u6237\u7aef\uff1b\n\n\u82e5\u4e0d\u5b58\u5728\u201c \u975e\u6d3b\u52a8\u201d\u7684\u5ba2\u6237\u7aef\uff0c\u5219\u62d2\u7edd\u65b0\u7684\u5ba2\u6237\u7aef\u8fde\u63a5\u8bf7\u6c42\u3002\n\n\u8fdc\u7a0b IP \u5730\u5740\uff08\u4f5c\u4e3a\u5ba2\u6237\u7aef\u8fd0\u884c\u65f6\uff09\n```\n\n\u53ef\u5728\u4e0b\u62c9\u83dc\u5355\u201c\u8fdc\u7a0b IP \u5730\u5740\u201d\u4e2d\u952e\u5165\u8981\u8bbf\u95ee\u7684\u670d\u52a1\u5668 IP \u5730\u5740\u3002\u65b0\u952e\u5165\u7684\u670d\u52a1\u5668 IP \u5730\u5740 \u5c06\u88ab\u81ea\u52a8\u8bb0\u5fc6\uff0c \u518d\u6b21\u8fde\u63a5\u8be5 IP \u5730\u5740\u65f6\u53ef\u76f4\u63a5\u5728\u4e0b\u62c9\u83dc\u5355\u201c\u8fdc\u7a0b IP \u5730\u5740\u201d\u4e2d\u9009\u62e9\u5373\u53ef\uff0c \u4e0d\u5fc5\u91cd\u590d\u952e\u5165\uff1b\n\n```\n\u672c\u5730 IP \u5730\u5740\uff08\u4f5c\u4e3a\u670d\u52a1\u5668\u8fd0\u884c\u65f6\uff09\n\n\u53ef\u5728\u4e0b\u62c9\u83dc\u5355\u4e2d\u9009\u62e9 IP \u5730\u5740\uff0c\u201c\u672c\u5730 IP \u5730\u5740\u201d\u4e3a\u81ea\u52a8\u8bc6\u522b \u3002\u4e3a\u65b9\u4fbf\u5728\u4e00\u53f0\u7535\u8111\u4e0a \u540c\u65f6\u8fd0\u884c\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u4ee5\u6d4b\u8bd5\uff0c\u5217\u8868\u4e2d\u9644\u52a0\u4e86\u672c\u5730\u4e3b\u673a\uff08localhost\uff09\u7684\u201c\u56de\u9001\u5730 \u5740\u201d\uff08IPv4: [127.0.0.1]\/ IPv6: [::1]\uff09\u3002\u201c\u56de\u9001\u5730\u5740\u201d \u4e3a\u4e3b\u673a IP\u5806\u6808\u5185\u90e8\u7684 IP \u5730\u5740\uff0c\u4e3b \u8981\u7528\u4e8e\u7f51\u7edc\u8f6f\u4ef6\u6d4b\u8bd5\u4ee5\u53ca\u672c\u5730\u673a\u8fdb\u7a0b\u95f4\u901a\u4fe1\uff0c\u4e0d\u8fdb\u884c\u4efb\u4f55\u7f51\u7edc\u4f20\u8f93\u3002\n\n\u7aef\u53e3\n\n\u6839\u636e\u201cRFC1122\u201d\uff0c\u5141\u8bb8\u7684\u7aef\u53e3\uff1a 1  \u2264  \u7aef\u53e3  \u2264  49151\uff1b\n\n\u5bf9\u4e8e  Modbus TCP\/IP  \u534f\u8bae\uff0c TCP \u7aef\u53e3 502 \u662f\u4e3a Modbus \u901a\u4fe1\u4fdd\u7559\u7684\u3002\u5728\u9ed8\u8ba4\u72b6 \u6001\u4e0b\uff0c\u5f3a\u5236\u76d1\u542c\u6b64\u7aef\u53e3\u3002\u7136\u800c\uff0c\u67d0\u4e9b\u5e02\u552e\u4ea7\u54c1\u6216\u5e94\u7528\u7a0b\u5e8f\u53ef\u80fd\u9700\u8981\u53e6\u4e00\u4e2a\u7aef\u53e3\u4e13 \u7528\u4e8e TCP \u4e0a\u7684 MODBUS\u3002\u9274\u4e8e\u6b64\uff0c\u672c\u5e94\u7528\u4e5f\u5141\u8bb8\u6307\u5b9a\u7f3a\u7701\u7aef\u53e3\uff08502\uff09\u4e4b\u5916\u7684\u7aef \u53e3\uff0c\u4ec5\u7ed9\u51fa\u8b66\u544a\u4fe1\u606f\uff1b\n\n\u5bf9\u4e8e  Modbus RTU  \u548c  Modbus ASCII  \u534f\u8bae\uff0c\u4e3a\u5b89\u5168\u8ba1\uff0c \u5efa\u8bae  2000   \u2264  \u7aef\u53e3  \u2264 5000\uff0c\u4e3a\u4e86\u9002\u5e94\u67d0\u4e9b\u5e02\u552e\u4ea7\u54c1\u6216\u5e94\u7528\u7684\u9700\u8981\uff0c\u672c\u5e94\u7528\u4e5f\u5141\u8bb8\u6307\u5b9a\u6b64\u8303\u56f4\u4e4b\u5916\u7684\u7aef \u53e3\uff0c\u4ec5\u7ed9\u51fa\u8b66\u544a\u4fe1\u606f\u3002\n\n\u672c\u5730\u7f51\u7edc\u9002\u914d\u5668\n```\n\n\u63d0\u4f9b\u672c\u5730\u7f51\u7edc\u9002\u914d\u5668\uff08\u786c\u4ef6\u9002\u914d\u5668\u548c\u865a\u62df\u9002\u914d\u5668\uff09\u7684\u6807\u8bc6\u53ca IP \u5730\u5740\uff08\u5305\u62ec\u201c\u56de\u9001\u5730\u5740\u201d\uff09\u3002 \u6ce8\u610f\uff0c \u865a\u62df\u7f51\u7edc\u9002\u914d\u5668\u4ec5\u7528\u4e8e\u672c\u5730\u673a\u8fdb\u7a0b\u95f4\u901a\u4fe1\uff0c\u4e0d\u53ef\u7528\u4e8e\u4e0e\u5916\u90e8\u8bbe\u5907\u95f4\u7684\u901a\u4fe1\u3002\n\n### \u901a\u4fe1\u9875\u9762\n\n\u901a\u4fe1\u9875\u9762\u7528\u4e8e Modbus \u901a\u4fe1\u53c2\u6570\u8bbe\u7f6e\u3001\u901a\u4fe1\u6570\u636e\u7684\u8bfb\u5199\u53ca\u901a\u4fe1\u62a5\u6587\u7684\u663e\u793a\u3002\n\n```\n \u91c7\u7528\u4e86\u201c\u5206\u5272\u7a97\u53e3\u201d\u5e03\u5c40\uff0c \u901a\u8fc7\u62d6\u52a8\u5206\u5272\u6761\uff0c \u53ef\u4ee5\u6539\u53d8\u5404\u5206\u680f\u7684\u5c3a\u5bf8\uff0c \u4ee5\u9002\u5e94\u4e0d\u540c\u7684 \u9700\u6c42\uff1b\n\n \u53ef\u5c06\u201c\u6570\u636e\u5217\u8868\u201d\u548c\u201c\u901a\u4fe1\u201d\u680f\u5f39\u51fa\u5230\u72ec\u7acb\u7a97\u53e3\uff0c\u4ee5\u65b9\u4fbf\u5bf9\u7167\u89c2\u5bdf\u3002\n```\n\n\u901a\u4fe1\u9875\u9762\u5982\u56fe 4-3 \u548c\u56fe 4-4 \u6240\u793a\uff1a\n\n\u56fe 4 -3. \u901a\u4fe1\u9875\u9762\uff1a\u670d\u52a1\u5668\/\u4ece\u7ad9\n\n8\n\n6\n\n1\n\n3\n\n2\n4\n\n12\n\n11\n\n10\n\n9\n\n7\n\n5\n\n\u56fe 4 -4. \u901a\u4fe1\u9875\u9762\uff1a\u5ba2\u6237\u7aef\/\u4e3b\u7ad9\n\u5176\u4e2d\uff1a\n\u2460\n\n\uff1a\u201c\u5355\u6b21\u201d\u590d\u9009\u6846\uff0c\u9009\u4e2d\u65f6\u70b9\u51fb\u542f\u52a8\u6309\u94ae\u65f6\u4ec5\u8fdb\u884c\u4e00\u6b21\u67e5\u8be2\u5bf9\u8bdd\uff1b\n\u2461\n\n\uff1a \u201c\u54cd\u5e94\u6570\u636e\u201d\u590d\u9009\u6846\uff0c\u9009\u4e2d\u65f6\u5728\u201c\u901a\u4fe1\u201d\u680f\u8f93\u51fa\u7531\u54cd\u5e94\u62a5\u6587\u89e3\u6790\u5f97\u5230\u7684\u6570\u636e\uff1b\n\u2462\n\n\uff1a\u201c\u9884\u89c8\u201d\u590d\u9009\u6846\uff0c\u9009\u4e2d\u65f6\u5728\u201c\u8bf7\u6c42\u62a5\u6587\u201d\u663e\u793a\u7531\u201cMODBUS \u8bbe\u7f6e\u201d\u751f\u6210\u7684\u8bf7\u6c42\u62a5\u6587\uff1b \u2463\n\n\uff1a\u542f\u52a8\u6309\u94ae \uff0c \u5f53\uff08\u8fde\u63a5\u9875\u9762\uff09 \u8fde\u63a5\/\u6253\u5f00\u65e0\u8bef\u65f6\u6709\u6548\uff0c\u7528\u4e8e\u542f\u52a8\u901a\u4fe1\u5bf9\u8bdd\uff1b\n\u2464 0\uff1a\u505c\u6b62\u6309\u94ae \uff0c \u5f53\u901a\u4fe1\u5bf9\u8bdd\u5df2\u542f\u52a8\u65f6\u6709\u6548\uff0c\u7528\u4e8e\u7ec8\u6b62\u901a\u4fe1\u5bf9\u8bdd\uff1b \u2465\n\n\uff1a\u201c\u8bf7\u6c42\u62a5\u6587\u201d\u64e6\u9664\u6309\u94ae\uff0c\u6e05\u9664\u201c\u8bf7\u6c42\u62a5\u6587\u201d\u7684\u5f53\u524d\u5185\u5bb9\uff1b\n\u2466 C\uff1a\u201c\u8bf7\u6c42\u62a5\u6587\u201d\u5237\u65b0\u6309\u94ae\uff0c\u70b9\u51fb\u65f6\u6839\u636e\u5f53\u524d\u201c MODBUS \u8bbe\u7f6e\u201d\u5237\u65b0\u8bf7\u6c42\u62a5\u6587\uff1b \u2467\n\n\uff1a\u201c\u901a\u4fe1\u201d\u5f39\u51fa\u6309\u94ae\uff0c\u5c06\u201c\u901a\u4fe1\u201d\u680f\u5f39\u51fa\u5230\u72ec\u7acb\u7a97\u53e3\uff0c \u5f39\u51fa\u7a97\u53e3\u5982\u56fe 4-5 \u6240\u793a\uff1b \u2468\n\n\uff1a\u201c\u901a\u4fe1\u201d\u64e6\u9664\u6309\u94ae\uff0c\u6e05\u9664\u201c\u901a\u4fe1\u201d\u7684\u5f53\u524d\u5185\u5bb9\uff0c \u5e76\u5c06\u62a5\u6587\u8ba1\u6570\u590d\u4f4d\uff1b\n\u2469 \u6a2a\u5411\u5206\u5272\u6761\uff1a\u62d6\u52a8\u5176\u53ef\u6539\u53d8\u6a2a\u5411\u5206\u680f\u7684\u5c3a\u5bf8\uff1b\n\u246a\n\n\uff1a\u201c\u6570\u636e\u5217\u8868\u201d\u5f39\u51fa\u6309\u94ae\uff0c\u5c06\u201c\u6570\u636e\u5217\u8868\u201d\u680f\u5f39\u51fa\u5230\u72ec\u7acb\u7a97\u53e3\uff0c \u5f39\u51fa\u7a97\u53e3\u5982\u56fe 4-6 \u6240 \u793a\uff1b\n\u246b \u7eb5\u5411\u5206\u5272\u6761\uff1a\u62d6\u52a8\u5176\u53ef\u6539\u53d8\u7eb5\u5411\u5206\u680f\u7684\u5c3a\u5bf8\u3002\n\n\u56fe 4 -5. \u201c\u901a\u4fe1\u201d\u5f39\u51fa\u7a97\u53e3\n\n\u56fe 4 -6. \u201c\u6570\u636e\u5217\u8868\u201d\u5f39\u51fa\u7a97\u53e3\n\n#### Modbus \u8bbe\u7f6e\n\n**\u6ce8\u610f\uff1a\u5f53\u8fd0\u884c\u89d2\u8272\u4e3a\u201c\u4e3b\u7ad9\u201d\/\u201c\u5ba2\u6237\u7aef\u201d\u65f6\uff0c\u67d0\u4e9b\u53c2\u6570\u4ec5\u5f53\u901a\u4fe1\u5bf9\u8bdd\u672a\u542f\u52a8\u65f6\u65b9\u53ef\u66f4\u6539\uff01**\n\n- **\u529f\u80fd**\n\n\u8fd0\u884c\u89d2\u8272\u4e3a\u201c\u4e3b\u7ad9\u201d\/\u201c\u5ba2\u6237\u7aef\u201d\u65f6\u7528\u4e8e\u9009\u62e9\u201c\u529f\u80fd\u201d\u3002\u652f\u6301\u7684 Modbus \u529f\u80fd\u5982\u8868 4-1 \u6240\u793a\uff1a\n\n\u529f\u80fd\u7801\u63cf\u8ff001 (0x01)\u8bfb\u591a\u4e2a\u7ebf\u5708\uff080*\uff0902 (0x02)\u8bfb\u591a\u4e2a\u79bb\u6563\u91cf\u8f93\u5165\uff081*\uff0903 (0x03)\u8bfb\u591a\u4e2a\u4fdd\u6301\u5bc4\u5b58\u5668\uff084*\uff0904 (0x04)\u8bfb\u591a\u4e2a\u8f93\u5165\u5bc4\u5b58\u5668\uff083*\uff0905 (0x05)\u5199\u5355\u4e2a\u7ebf\u5708\uff080*\uff0906 (0x06)\u5199\u5355\u4e2a\u4fdd\u6301\u5bc4\u5b58\u5668\uff084*\uff0915 (0x0F)\u5199\u591a\u4e2a\u7ebf\u5708\uff080*\uff0916 (0x10)\u5199\u591a\u4e2a\u4fdd\u6301\u5bc4\u5b58\u5668\uff084*\uff09\u8868 4-1. \u652f\u6301\u7684 Modbus \u529f\u80fd\n\n\u26ab **\u6570\u636e\u5757**\n\n\u8fd0\u884c\u89d2\u8272\u4e3a\u201c\u4ece\u7ad9\u201d\/\u201c\u670d\u52a1\u5668\u201d\u65f6\u7528\u4e8e\u9009\u62e9\u6570\u636e\u5757\u3002\u6570\u636e\u5757\u9009\u9879\u5982\u8868 4-2 \u6240\u793a\uff1a\n\n\u6570\u636e\u5757\u63cf\u8ff0\u7ebf\u5708\uff080*\uff09Coil\u79bb\u6563\u8f93\u5165\uff081*\uff09Discrete Input\u4fdd\u6301\u5bc4\u5b58\u5668\uff084*\uff09Holding Register\u8f93\u5165\u5bc4\u5b58\u5668\uff083*\uff09Input Register\u8868 4-2. Modbus \u6807\u51c6\u6570\u636e\u5757\n\n\u8868 4-1. \u652f\u6301\u7684 Modbus \u529f\u80fd\n\n\u8fd0\u884c\u89d2\u8272\u4e3a\u201c\u4ece\u7ad9\u201d\/\u201c\u670d\u52a1\u5668\u201d\u65f6\u7528\u4e8e\u9009\u62e9\u6570\u636e\u5757 \u3002\u6570\u636e\u5757\u9009\u9879\u5982\u8868 4-2 \u6240\u793a\uff1a\n\u6570\u636e\u5757\n\u7ebf\u5708\uff080\uff09 \u79bb\u6563\u8f93\u5165\uff081\uff09\n\u4fdd\u6301\u5bc4\u5b58\u5668\uff084\uff09 \u8f93\u5165\u5bc4\u5b58\u5668\uff083\uff09\n\u8868 4-2. Modbus \u6807\u51c6\u6570\u636e\u5757\n\n```\n\u4ece\u7ad9\u5730\u5740\n```\n\n\u5f53\u201c\u534f\u8bae\u201d\u4e3a\u201cModbus RTU\u201d\u6216\u201cModbus ASCII\u201d\uff08\u901a\u5e38\u8fde\u63a5\u4e3a\u201cSerial Port\u201d\uff09 \u65f6\uff0c\u4ece\u7ad9\u5730 \u5740\u7528\u4e8e\u8bbe\u7f6e\u4e32\u884c\u94fe\u8def\u4e0a\u4ece\u7ad9\u7684\u6807\u8bc6\u3002\n\n```\n\u8fd0\u884c\u89d2\u8272\u4e3a\u201c\u4ece\u7ad9\u201d\u65f6\u4e3a\u672c\u7ad9\u7684\u552f\u4e00\u6807\u8bc6\u3002\u4ece\u7ad9\u5730\u5740\u53d6\u503c\u8303\u56f4\uff1a 1  \u2264\uff08\u672c\u5730\uff09\u4ece\u7ad9\u5730\u5740  \u2264  247\uff1b\n\n\u8fd0\u884c\u89d2\u8272\u4e3a\u201c\u4e3b\u7ad9\u201d\u65f6\u7528\u4e8e\u6307\u5b9a\u5bf9\u5176\u53d1\u9001\u8bf7\u6c42\u7684\u4ece\u7ad9\u5730\u5740\uff1a 0  \u2264\uff08\u8fdc\u7a0b\uff09\u4ece\u7ad9\u5730\u5740  \u2264  247\u3002\n```\n\n\u5176\u4e2d\uff0c \u4ece\u7ad9\u5730\u5740 0 \u4e13\u7528\u4e8e\u201c\u5e7f\u64ad\u6a21\u5f0f\u201d\uff0c\u5373\uff0c \u4e3b\u7ad9\u5411\u6240\u6709\u4ece\u7ad9\u53d1\u9001\u8bf7\u6c42\u3002\u4ece\u7ad9\u5bf9 \u4e8e\u4e3b\u7ad9\u7684\u5e7f\u64ad\u8bf7\u6c42\u6ca1\u6709\u5e94\u7b54\u8fd4\u56de\uff0c\u5e7f\u64ad\u8bf7\u6c42\u4e00\u822c\u7528\u4e8e\u5199\u547d\u4ee4\u3002\n\n```\n\u5355\u5143\u6807\u8bc6\n```\n\n\u5f53\u201c\u534f\u8bae\u201d\u4e3a\u201cModbus TCP\/IP\u201d\uff08\u901a\u5e38\u8fde\u63a5\u4e3a\u201cTCP\/IP\u201d\uff09\u65f6\uff0c\u5355\u5143\u6807\u8bc6\u7528\u4e8e\u5728 Modbus+ \u6216 Modbus \u4e32\u884c\u7ebf\u8def\u5b50\u7f51\u4e0a\u5bfb\u5740\u8bbe\u5907\u65f6\u7684\u8def\u7531\u76ee\u7684\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5355\u5143\u6807\u8bc6\u643a \u5e26\u8fdc\u7a0b\u8bbe\u5907\u7684 Modbus \u4ece\u5730\u5740 \u3002Modbus TCP\/IP \u901a\u4fe1\u7ed3\u6784\u5982\u56fe 4-7 \u6240\u793a\u3002\n\n```\n\u5982\u679c Modbus \u670d\u52a1\u5668\u8fde\u63a5\u5230 Modbus+\u6216 Modbus \u4e32\u884c\u94fe\u8def\u5b50\u7f51\uff0c\u5e76\u901a\u8fc7\u7f51\u6865 \u6216\u7f51\u5173\u6765\u5bfb\u5740\uff0c\u5355\u5143\u6807\u8bc6\u5bf9\u8bc6\u522b\u8fde\u63a5\u5230\u7f51\u6865\u6216\u7f51\u5173\u540e\u7684\u5b50\u7f51\u7684\u4ece\u7ad9\u8bbe\u5907\u662f\u5fc5\u9700 \u7684\u3002\u5355\u5143\u6807\u8bc6\u91c7\u7528\u6709\u6548\u7684 Modbus \u4ece\u7ad9\u5730\u5740\uff081 \u2026 247\uff09\u3002\u76ee\u7684 IP \u5730\u5740\u8bc6\u522b\u7f51 \u6865\u6216\u7f51\u5173\uff0c \u800c\u7f51\u6865\u6216\u7f51\u5173\u5219\u4f7f\u7528\u5355\u5143\u6807\u8bc6\u5c06\u8bf7\u6c42\u8f6c\u4ea4\u7ed9\u76f8\u5e94\u7684\u4ece\u7ad9\u8bbe\u5907\uff1b\n\n\u5bf9\u4e8e\u76f4\u63a5\u8fde\u63a5\u5230 TCP\/IP \u6216 UDP\/IP \u7f51\u7edc\u4e0a\u7684\u670d\u52a1\u5668\uff0c\u4ee5\u201cIP \u5730\u5740\u201d\u5bfb\u5740\u670d\u52a1\u5668\uff0c \u56e0\u6b64\u5355\u5143\u6807\u8bc6\u662f\u65e0\u7528\u7684\u3002\u5efa\u8bae\u5355\u5143\u6807\u8bc6\u4e0d\u8981\u4f7f\u7528\u6709\u6548\u7684  Modbus  \u4ece\u7ad9\u5730\u5740\n```\n\n\uff081 \u2026 247\uff09\u3002\u5426\u5219\uff0c \u5728\u81ea\u52a8\u5316\u7cfb\u7edf\u4e2d\u91cd\u65b0\u5206\u914d IP \u5730\u5740\u7684\u60c5\u51b5\u4e0b\uff0c\u4f7f\u7528\u6709\u6548\u4ece \u7ad9\u5730\u5740\u53ef\u80fd\u4f1a\u7531\u4e8e\u7f51\u5173\u7684\u8def\u7531\u4e0d\u7545\u800c\u5f15\u8d77\u9ebb\u70e6\uff01\u5e94\u4f7f\u7528\u65e0\u6548\u7684\u4ece\u7ad9\u5730\u5740\uff080 \u6216 248 \u2026 255\uff09\uff0c \u7f51\u5173\u5c06\u7b80\u5355\u5730\u5ffd\u7565 Modbus PDU\uff0c\u800c\u4e0d\u5f15\u8d77\u4efb\u4f55\u9ebb\u70e6\u3002\u5efa\u8bae\u91c7\u7528 255\uff080xFF\uff09\u6216 0\uff080x00\uff09\u4f5c\u4e3a\u201c\u5355\u5143\u6807\u8bc6\u201d\u7684\u65e0\u6548\u503c\u3002\n\n\u56fe 4 -7. Modbus TCP\/IP \u901a\u4fe1\u7ed3\u6784\n\n\u8d77\u59cb\uff08\u62a5\u6587\uff09\u5730\u5740\u548c\u8d77\u59cb\uff08\u8bbe\u5907\uff09\u5730\u5740\n\n```\n\u6570\u636e\u8d77\u59cb\u5730\u5740\u652f\u6301\u53cc\u683c\u5f0f\u5730\u5740\uff1a \u62a5\u6587\uff08\u534f\u8bae\uff09 \u5730\u5740\u548c\u8bbe\u5907\u5730\u5740\uff1b\n\n\u9009\u4e2d\u201c\u8d77\u59cb\u62a5\u6587\u5730\u5740\u201d\u65f6\uff0c\u53ef\u8bbe\u7f6e\u201c\u8d77\u59cb\u62a5\u6587\u5730\u5740\u201d\uff0c\u81ea\u52a8\u540c\u6b65\u6620\u5c04\u5230\u201c\u8d77\u59cb\u8bbe\u5907\u5730 \u5740\u201d\uff0c\u201c\u6570\u636e\u5217\u8868\u201d\u6309\u62a5\u6587\u5730\u5740\u663e\u793a\uff1b\n\n\u9009\u4e2d\u201c\u8d77\u59cb\u8bbe\u5907\u5730\u5740\u201d\u65f6\uff0c\u53ef\u8bbe\u7f6e\u201c\u8d77\u59cb\u8bbe\u5907\u5730\u5740\u201d\uff0c\u81ea\u52a8\u540c\u6b65\u6620\u5c04\u5230\u201c\u8d77\u59cb\u62a5\u6587\u5730 \u5740\u201d\uff0c\u201c\u6570\u636e\u5217\u8868\u201d\u6309\u8bbe\u5907\u5730\u5740\u663e\u793a\uff1b\n\n\u8bf7\u6c42\u62a5\u6587\u4e2d\u7684\u6570\u636e\u8d77\u59cb\u5730\u5740\u5747\u4e3a\u62a5\u6587\uff08\u534f\u8bae\uff09 \u5730\u5740\uff1b\n\n\u62a5\u6587\uff08\u534f\u8bae\uff09\u5730\u5740\u8303\u56f4\u5bf9\u4e8e\u6240\u6709\u6570\u636e\u5757\u5747\u4e3a\uff1a 0 ~ 65535\uff1b\n\n\u8bbe\u5907\u5730\u5740\u652f\u6301\u201c5 \u4f4d\u5bfb\u5740\u201d\uff08\u5bf9\u5e94\u62a5\u6587\u5730\u5740 0~9998\uff09\/ \u201c6 \u4f4d\u5bfb\u5740\u201d\uff08\u5bf9\u5e94\u62a5\u6587\u5730 \u5740 9999~65535\uff09\uff0c\u5176\u8303\u56f4\u56e0\u6570\u636e\u5757\u4e0d\u540c\u3002 \u5982\u8868 4-3 \u6240\u793a\uff1a\n```\n\n\u5f53\u7136\u53ef\u4ee5\uff0c\u4ee5\u4e0b\u662f\u60a8\u63d0\u4f9b\u7684\u6570\u636e\u5757\u53ca\u51765\u4f4d\u548c6\u4f4d\u5bfb\u5740\u8303\u56f4\u6240\u5bf9\u5e94\u7684\u8868\u683c\uff1a\n\n\u6570\u636e\u57575 \u4f4d\u5bfb\u5740\u8303\u56f46 \u4f4d\u5bfb\u5740\u8303\u56f4\u7ebf\u5708\uff080*\uff091 ~ 999910000 ~ 65536\u79bb\u6563\u8f93\u5165\uff081*\uff0910001 ~ 19999110000 ~ 165536\u4fdd\u6301\u5bc4\u5b58\u5668\uff084*\uff0940001 ~ 49999410000 ~ 465536\u8f93\u5165\u5bc4\u5b58\u5668\uff083*\uff0930001 ~ 39999310000 ~ 365536\u8868 4-3. \u8bbe\u5907\u5730\u5740\u8303\u56f4\n\n#### **\u6570\u636e\u8bbe\u7f6e**\n\n1) \u7ebf\u5708\u6216\u79bb\u6563\u8f93\u5165\u6570\u636e\u8bbe\u7f6e\n\n\u5f53\u9009\u62e9\u529f\u80fd\/\u6570\u636e\u5757\u4e3a\u7ebf\u5708\uff080\uff09\u6216\u79bb\u6563\u8f93\u5165\uff081\uff09\u8bbf\u95ee\u65f6\uff0c\u6570\u636e\u8bbe\u7f6e\u5982\u56fe 4-8 \u6240\u793a\uff1a\n\n\u56fe 4 -8. \u7ebf\u5708\u6216\u79bb\u6563\u8f93\u5165\u8bbf\u95ee\u7684\u6570\u636e\u8bbe\u7f6e\n\n```\n\u6570\u91cf\n```\n\n\u67e5\u8be2\/\u54cd\u5e94\u7684\u7ebf\u5708\u6216\u79bb\u6563\u8f93\u5165\u7684\u6570\u91cf\u3002\n\n```\n\u5b57\u8282\u6570\n```\n\n\u53ea\u8bfb\u3002\u5bf9\u4e8e\u4e3b\u7ad9\/\u5ba2\u6237\u7aef\uff0c\u4e3a\u5b9e\u9645\u53d1\u9001\u7684\u5b57\u8282\u6570\u91cf\uff1b\u5bf9\u4e8e\u4ece\u7ad9\/\u670d\u52a1\u5668\uff0c\u4e3a\u6570\u636e\u5757\u6240 \u5b9e\u9645\u5360\u7528\u7684\u5b57\u8282\u6570\u91cf\u3002\n\n2) \u4fdd\u6301\u5bc4\u5b58\u5668\u6216\u8f93\u5165\u5bc4\u5b58\u5668\u6570\u636e\u8bbe\u7f6e\n\n\u5f53\u9009\u62e9\u529f\u80fd\/\u6570\u636e\u5757\u4e3a\u4fdd\u6301\u5bc4\u5b58\u5668\uff084\uff09\u6216\u8f93\u5165\u5bc4\u5b58\u5668\uff083\uff09\u8bbf\u95ee\u65f6\uff0c \u6570\u636e\u8bbe\u7f6e\u5982\u56fe 4-9 \u6240 \u793a\uff1a\n\n\u56fe 4 -9. \u4fdd\u6301\u5bc4\u5b58\u5668\u6216\u8f93\u5165\u5bc4\u5b58\u5668\u8bbf\u95ee\u7684\u6570\u636e\u8bbe\u7f6e\n\n```\n\u6570\u91cf\n```\n\n\u67e5\u8be2\/\u54cd\u5e94\u201c\u6570\u636e \u201d\u7684\u6570\u91cf\u3002\n\u6ce8\u610f\n\u5bf9\u4e8e\u5bc4\u5b58\u5668\u8bfb\u5199\u529f\u80fd\uff08\u6570\u636e\u5757\uff1a3* \/ 4*\uff09\uff0c\u6b64\u5904\u6240\u8bbe\u7f6e\u7684 \u201c\u6570\u636e\u6570\u91cf\u201d\u4e0d\u540c\u4e8e\u5b9e\u9645 Modbus \u62a5\u6587\u4e2d\u7684\u201c\u5bc4\u5b58\u5668\u6570\u91cf \u201d\uff01\n\u4e00\u4e2a\u6570\u636e\u6240\u5360\u7528\u7684\u5bc4\u5b58\u5668\u6570\u91cf\u56e0\u6570\u636e\u7c7b\u578b\u800c\u4e0d\u540c\uff08\u8be6\u89c1\u8868 4-5\uff09\u3002\n\n```\n\u5bf9\u4e8e\u4e3b\u7ad9\/\u5ba2\u6237\u7aef\uff0c\u67e5\u8be2\u7684\u6700\u5927\uff08\u62a5\u6587\uff09\u6570\u91cf\u56e0\u529f\u80fd\u800c\u4e0d\u540c\uff0c\u5982\u8868 4-4 \u6240\u793a\uff1a\n```\n\n\u5f53\u7136\u53ef\u4ee5\uff0c\u4ee5\u4e0b\u662f\u60a8\u63d0\u4f9b\u7684Modbus\u529f\u80fd\u7801\u3001\u6570\u636e\u5757\u548c\u6700\u5927\u67e5\u8be2\u62a5\u6587\u6570\u91cf\u7684\u8868\u683c\uff1a\n\n\u529f\u80fd\u7801\u6570\u636e\u5757\u6700\u5927\u67e5\u8be2\u62a5\u6587\u6570\u91cf01 (0x01)\u7ebf\u5708\uff080*\uff092000 \u7ebf\u570802 (0x02)\u79bb\u6563\u8f93\u5165\uff081*\uff092000 \u8f93\u516503 (0x03)\u4fdd\u6301\u5bc4\u5b58\u5668\uff084*\uff09125 \u5bc4\u5b58\u566804 (0x04)\u8f93\u5165\u5bc4\u5b58\u5668\uff083*\uff09125 \u5bc4\u5b58\u566805 (0x05)\u7ebf\u5708\uff080*\uff091 \u7ebf\u570806 (0x06)\u4fdd\u6301\u5bc4\u5b58\u5668\uff084*\uff091 \u5bc4\u5b58\u566815 (0x0F)\u7ebf\u5708\uff080*\uff091968 \u7ebf\u570816(0x10\uff09\u4fdd\u6301\u5bc4\u5b58\u5668\uff084*\uff09123 \u5bc4\u5b58\u5668\u8868 4-4. \u4e0d\u540c\u529f\u80fd\u7684\u6700\u5927\u67e5\u8be2\u62a5\u6587\u6570\u91cf\n\n```\n\u5bf9\u4e8e\u4ece\u7ad9\/\u670d\u52a1\u5668\uff0c\u6570\u91cf\u6700\u5927\u503c  = 65535\u3002\n```\n\n\u6ce8\u610f\n\u65e0\u8bba\u4e3b\u7ad9\/\u5ba2\u6237\u7aef\u6216\u4ece\u7ad9\/\u670d\u52a1\u5668\uff0c\u5747\u5e94\u6ee1\u8db3\uff1a \u8d77\u59cb\u5730\u5740 + \u6570\u91cf \u2264 \u5730\u5740\u8303\u56f4\n\n```\n\u5bc4\u5b58\u5668\n```\n\n\u53ea\u8bfb\u3002\u7531\u201c\u6570\u636e\u201d\u7684\u6570\u91cf\u548c\u6570\u636e\u7c7b\u578b\u6240\u51b3\u5b9a\u7684\u5b9e\u9645\u5bc4\u5b58\u5668\u6570\u91cf\u3002\n\n```\n\u7edf\u4e00\u7684\u6570\u636e\u7c7b\u578b\n```\n\n\u6240\u6709\u6570\u636e\u9879\u7684\u6570\u636e\u7c7b\u578b\u3001\u6570\u636e\u683c\u5f0f\u548c\u6570\u636e\u7f16\u7801\u5747\u76f8\u540c\uff0c\u7531\u201c\u6570\u636e\u8bbe\u7f6e\u201d\u76f4\u63a5\u7edf\u4e00\u8bbe\u7f6e\u3002\n\n\u72ec\u81ea\u7684\u6570\u636e\u7c7b\u578b\n\u53ef\u5206\u522b\u5b9a\u4e49\u6570\u636e\u5217\u8868\u4e2d\u5404\u6570\u636e\u9879\u7684\u6570\u636e\u7c7b\u578b\u3001\u6570\u636e\u683c\u5f0f\u548c\u6570\u636e\u7f16\u7801\u3002 \u5355\u51fb\u6309\u94ae\n\n\u53ef\u5f39\u51fa\u5bc4\u5b58\u5668\u6570\u636e\u8bbe\u7f6e\u7a97\u53e3\u7528\u4e8e\u5206\u522b\u8bbe\u7f6e\uff0c\u5982\u56fe 4-10 \u6240\u793a\u3002\n\u6ce8\u610f\uff0c\u5f53\u4e3b\u7ad9\/\u5ba2\u6237\u7aef\u9009\u62e9\u201c\u8bfb\u5bc4\u5b58\u5668\u201d\u529f\u80fd\uff0803\/04\uff09 \u65f6\uff0c \u5bc4\u5b58\u5668\u6570\u636e\u8bbe\u7f6e\u7a97\u53e3\u4e2d\u7684 \u201c\u6570\u503c\u201d\u4e3a\u53ea\u8bfb\uff01\n\n\u56fe 4 -10. \u5bc4\u5b58\u5668\u6570\u636e\u8bbe\u7f6e\u7a97\u53e3\n\n\u9009\u62e9\u901a\u4fe1\u4ea4\u6362\u6570\u636e\u7684\u6570\u636e\u7c7b\u578b\u3002\u652f\u6301\u7684\u6570\u636e\u7c7b\u578b\u5982\u8868 4-5 \u6240\u793a\uff1a\n\n\u6570\u636e\u7c7b\u578b\u8bf4\u660e\u957f\u5ea6\uff0c\u5b57\u8282\u5360\u7528\u5bc4\u5b58\u5668Int16\u5e26\u7b26\u53f7 16 \u4f4d\u6574\u578b21UInt16\u65e0\u7b26\u53f7 16 \u4f4d\u6574\u578b21Int32\u5e26\u7b26\u53f7 32 \u4f4d\u6574\u578b42UInt32\u65e0\u7b26\u53f7 32 \u4f4d\u6574\u578b42Int64\u5e26\u7b26\u53f7 64 \u4f4d\u6574\u578b84UInt64\u65e0\u7b26\u53f7 64 \u4f4d\u6574\u578b84Single32 \u4f4d\u6d6e\u70b9\u578b42Double64 \u4f4d\u6d6e\u70b9\u578b84\u8868 4-5. \u652f\u6301\u7684\u6570\u636e\u7c7b\u578b\n\n\u8868 4-5. \u652f\u6301\u7684\u6570\u636e\u7c7b\u578b\n\u5bf9\u4e8e\u201c\u5199\u5355\u4e2a\u4fdd\u6301\u5bc4\u5b58\u5668\u201d\u529f\u80fd\uff0806\uff09\uff0c\u4ec5\u5141\u8bb8\u5360\u7528 1 \u4e2a\u5bc4\u5b58\u5668\uff08\u957f\u5ea6\u4e3a 2 \u5b57\u8282\uff09 \u7684\u6570\u636e \u7c7b\u578b\u3002\n\n```\n\u6570\u636e\u683c\u5f0f\n```\n\n\u9009\u62e9\u901a\u4fe1\u4ea4\u6362\u6570\u636e\u7684\u663e\u793a\u683c\u5f0f\u3002\u652f\u6301\u7684\u6570\u636e\u683c\u5f0f\u5982\u8868 4-6 \u6240\u793a\uff1a\n\n\u6570\u636e\u683c\u5f0f\u8bf4\u660e\u4f8b\u5b50\uff08130, Int16, \u5927\u7aef\u683c\u5f0f\uff09Decimal\u5341\u8fdb\u5236130Hex\u5341\u516d\u8fdb\u523600 82Binary\u4e8c\u8fdb\u523600000000 10000010\u8868 4-6. \u652f\u6301\u7684\u6570\u636e\u683c\u5f0f\n\n```\n\u6570\u636e\u7f16\u7801\n\n\u652f\u6301 2 \u79cd\u6570\u636e\u7f16\u7801\n```\n\n\uf0b2 \u5927\u7aef\u683c\u5f0f\uff08Big-endian\uff0c\u9996\u5148\u4f20\u9001\u6700\u9ad8\u6709\u6548\u5b57\u8282\uff09\uff1b\n\uf0b2 \u5c0f\u7aef\u683c\u5f0f\uff08Little-endian\uff0c\u9996\u5148\u4f20\u9001\u6700\u4f4e\u6709\u6548\u5b57\u8282\uff09\u3002\n\n```\n\u6839\u636e\u300a\u57fa\u4e8e Modbus \u534f\u8bae\u7684\u5de5\u4e1a\u81ea\u52a8\u5316\u7f51\u7edc\u89c4\u8303  GB-T19582.1-2008\u300b\uff0c\u5bf9\u4e8e \u5730\u5740\u548c\u6570\u636e\uff0cModbus \u4f7f\u7528\u201c\u5927\u7aef\u683c\u5f0f\u201d\uff0c\u5373\uff0c\u5f53\u4f20\u9001\u7684\u6570\u636e\u5927\u4e8e\u4e00\u4e2a\u5b57\u8282\u65f6\uff0c \u9996\u5148\u4f20\u9001\u6700\u9ad8\u6709\u6548\u5b57\u8282;\n\n\u4e3a\u4e86\u9002\u5e94\u67d0\u4e9b\u5e02\u552e\u4ea7\u54c1\u6216\u5e94\u7528\u7684\u6570\u636e\u7f16\u7801\u4e3a\u201c\u5c0f\u7aef\u683c\u5f0f\u201d\u7684\u573a\u5408\uff0c \u672c\u5e94\u7528\u5141\u8bb8\u9009 \u62e9\u201c\u6570\u636e\u7f16\u7801\u201d\u4e3a\u201c\u5c0f\u7aef\u683c\u5f0f\u201d\u4ee5\u6b63\u786e\u89e3\u6790\u54cd\u5e94\u6570\u636e\uff1b\n\n\u6570\u636e\u7f16\u7801\u4ec5\u5f71\u54cd\u5bc4\u5b58\u5668\u6570\u503c\u7684\u663e\u793a\uff0c  \u4e0d\u5f71\u54cd\u7ebf\u5708\/\u79bb\u6563\u8f93\u5165\u6570\u636e\u3001"\u6570\u91cf"\u548c"\u5730 \u5740"\u3002\n```\n\n\u201c\u6570\u636e\u5217\u8868\u201d\u548c\u201c\u54cd\u5e94\u6570\u636e\u201d\u5c06\u6309\u9009\u5b9a\u7684\u201c\u6570\u636e\u7c7b\u578b\u201d \u3001\u201c\u6570\u636e\u683c\u5f0f\u201d\u548c\u201c\u6570\u636e\u7f16\u7801\u201d\u663e\u793a\u3002\n\n#### \u6570\u636e\u5217\u8868\n\n\u901a\u4fe1\u4ea4\u6362\u6570\u636e\u5217\u8868\uff0c \u7528\u4e8e\u8bbe\u7f6e\u8f93\u51fa\u7684\u6570\u636e\/\u663e\u793a\u8f93\u5165\u7684\u6570\u636e\u3002\n\n```\n \u9879\u6570\u7531\u201cMODBUS \u8bbe\u7f6e\u201d\u4e2d\u7684\u201c\u6570\u91cf\u201d\u8bbe\u5b9a\uff1b\n\n \u663e\u793a\u683c\u5f0f\uff1a [\u5730\u5740]               \uff08\u5982\uff1a [40003]                 \uff09\u3002 \u5176\u4e2d\uff1a\n\n[\u5730\u5740]\u7531\u201cMODBUS \u8bbe\u7f6e\u201d\u4e2d\u7684\u201c\u8d77\u59cb\uff08\u62a5\u6587\uff09\u5730\u5740\u201d\/\u201c\u8d77\u59cb\uff08\u8bbe\u5907\uff09\u5730\u5740\u201d\u9009\u9879\u8bbe \u5b9a\uff1b\n\n              \u7684\u663e\u793a\u7531\u201cMODBUS \u8bbe\u7f6e\u201d\u4e2d\u7684\u201c\u6570\u636e\u7c7b\u578b\u201d\uff0c\u201c\u6570\u636e\u683c\u5f0f\u201d\u548c\u201c\u6570\u636e\u7f16\u7801\u201d\u8bbe \u5b9a\u3002\n\n \u8bbe\u7f6e\u6570\u636e\uff1a \u4ee5\u9f20\u6807\u70b9\u51fb              \uff0c\u5373\u53ef\u76f4\u63a5\u952e\u5165\u3002\u3002 \u4f5c\u4e3a\u4e3b\u7ad9\/\u5ba2\u6237\u7aef\u8fd0\u884c\u65f6\uff1a\n```\n\n\u6570\u503c\n\n```\n \u5f53\u9009\u62e9\u201c\u8bfb\u201d\u529f\u80fd\uff08\u529f\u80fd\u7801  = 1 \uff0c2\uff0c3\uff0c4\uff09 \u65f6\uff0c \u6570\u636e\u5217\u8868\u4e3a\u53ea\u8bfb\uff1b\n\n \u5f53\u9009\u62e9\u201cFree\u201d\uff08\u81ea\u7531\u534f\u8bae\uff09 \u65f6\uff0c\u4e0d\u663e\u793a\u201c\u6570\u636e\u5217\u8868\u201d\u3002\n```\n\n#### **\u901a\u4fe1**\n\n\u7528\u4e8e\u901a\u4fe1\u5bf9\u8bdd\uff08\u62a5\u6587\u3001\u54cd\u5e94\u6570\u636e\u3001\u901a\u4fe1\u72b6\u6001\uff09\u7684\u663e\u793a\u3002\n\n- \u8fde\u63a5\u4fe1\u606f\uff08\u4ec5\u5f53\u8fde\u63a5\u4e3a TCP\/IP \u6216 UDP\/IP \u65f6\u6709\u6548\uff09\n\n        \u25fc \u683c\u5f0f\uff1a\u201cRemote\uff1a[IP \u5730\u5740\uff1a\u7aef\u53e3\u53f7]\uff0cLocal\uff1a[IP \u5730\u5740\uff1a\u7aef\u53e3\u53f7]\u201d\uff1b\n\n        \u25fc \u5bf9\u4e8e\u670d\u52a1\u5668\uff1a\n\n           \u25c6 \u7531\u4e8e\u4e00\u4e2a\u670d\u52a1\u5668\u53ef\u670d\u52a1\u4e8e\u591a\u4e2a\u5ba2\u6237\u7aef\uff0c\u6bcf\u5f53\u63a5\u6536\u62a5\u6587\u7684\u53d1\u9001\u65b9\u6539\u53d8\u65f6\u663e\u793a\uff1b\n\n           \u25c6 \u5f53\u9009\u4e2d\u201c\u4efb\u4f55\u5730\u5740\u201d\u65f6\uff0cIP \u5730\u5740 = \u201c0.0.0.0\u201d\uff08IPv4\uff09\/ \u201c**::**\u201d\uff08IPv6\uff09\u3002\n\n        \u25fc \u5bf9\u4e8e\u5ba2\u6237\u7aef\uff1a\u4ec5\u5f53\u201c\u542f\u52a8\u201d\u65f6\u663e\u793a\u3002\n\n- \u53d1\u9001\u7684\u62a5\u6587\u683c\u5f0f\uff1a\u201cxxxx-Txd: HH HH \u2026\u201d\u3002\u201cxxxx\u201d\uff1a\u5bf9\u8bdd\u7684\u8ba1\u6570\uff08\u5e8f\u53f7\uff09\uff0c\u201cTxd\u201d\uff1a\u53d1\u9001\u6807\u8bc6\uff0c\u201cHH HH \u2026\u201d\uff1a\u5341\u516d\u8fdb\u5236\u683c\u5f0f\u7684\u62a5\u6587\uff1b\n\n- \u63a5\u6536\u7684\u62a5\u6587\u683c\u5f0f\uff1a\u201cxxxx-Rxd: HH HH \u2026\u201d\u3002\u201cxxxx\u201d\uff1a\u5bf9\u8bdd\u7684\u8ba1\u6570\uff08\u5e8f\u53f7\uff09\uff0c\u201cRxd\u201d\uff1a\u63a5\u6536\u6807\u8bc6\uff0c\u201cHH HH \u2026\u201d\uff1a\u5341\u516d\u8fdb\u5236\u683c\u5f0f\u7684\u62a5\u6587\uff1b\n\n- \u54cd\u5e94\u6570\u636e\/\u53d1\u9001\u5bc4\u5b58\u5668\u6570\uff1a\u201cxxxx-Val \/ Qty: DD,DD, \u2026\u201d\uff0c\u201cxxxx\u201d\uff1a\u5bf9\u8bdd\u7684\u8ba1\u6570\uff08\u5e8f\u53f7\uff09\uff0c\u201cVal\u201d\uff1a\u54cd\u5e94\u6570\u636e\u6807\u8bc6\uff0c\u201cQty\u201d\uff1a\u53d1\u9001\u5bc4\u5b58\u5668\u6570\u6807\u8bc6\uff0c\u201cDD,DD, \u2026\u201d\uff1a\u5341\u8fdb\u5236\u683c\u5f0f\u7684\u54cd\u5e94\u6570\u636e\/\u53d1\u9001\u5bc4\u5b58\u5668\u6570\uff1b\n\n- Modbus \u5f02\u5e38\u54cd\u5e94\uff1a\u201cxxxx-Err: \u5f02\u5e38\u4fe1\u606f\u201d\u3002\u5f02\u5e38\u4fe1\u606f\u4e0e\u4ece\u7ad9\/\u670d\u52a1\u5668\u8fd4\u56de\u7684\u5f02\u5e38\u54cd\u5e94\u62a5\u6587\u76f8\u5173\uff1b\n\n- \u70b9\u51fb\u201c\u901a\u4fe1\u201d\u64e6\u9664\u6309\u94ae\u53ef\u968f\u65f6\u6e05\u9664\u201c\u901a\u4fe1\u201d\u7684\u5f53\u524d\u5185\u5bb9\uff0c\u5e76\u5c06\u62a5\u6587\u8ba1\u6570\u590d\u4f4d\u3002\n\n#### **\u8bf7\u6c42\u62a5\u6587**\n\n\u5f53\u9009\u62e9\u201cFree\u201d\uff08\u81ea\u7531\u534f\u8bae\uff09\u6216\u9009\u4e2d\u201c\u9884\u89c8\u201d\u9009\u9879\u65f6\u53ef\u89c1\u3002\n\n- \u9009\u62e9\u201cFree\u201d\uff08\u81ea\u7531\u534f\u8bae\uff09\u65f6\uff0c\u7528\u4e8e\u624b\u52a8\u8f93\u5165\u8bf7\u6c42\u62a5\u6587\uff08\u4e0d\u505a\u4efb\u4f55\u9a8c\u8bc1\uff09\uff1b\n\n- \u9009\u4e2d\u201c\u9884\u89c8\u201d\u9009\u9879\u65f6\uff0c\u7528\u4e8e\u201c\u9884\u89c8\u201d\u7531\u201cModbus \u8bbe\u7f6e\u201d\u751f\u6210\u7684\u8bf7\u6c42\u62a5\u6587\uff1b\n\n- \u70b9\u51fb\u201c\u8bf7\u6c42\u62a5\u6587\u201d\u64e6\u9664\u6309\u94ae\u53ef\u6e05\u9664\u201c\u8bf7\u6c42\u62a5\u6587\u201d\u7684\u5f53\u524d\u5185\u5bb9\uff1b\n\n- \u70b9\u51fb\u201c\u8bf7\u6c42\u62a5\u6587\u201d\u5237\u65b0\u6309\u94ae\u65f6\u6839\u636e\u5f53\u524d\u201cMODBUS \u8bbe\u7f6e\u201d\u5237\u65b0\u8bf7\u6c42\u62a5\u6587\u3002\n\n#### **\u81ea\u7531\u534f\u8bae\u754c\u9762**\n\n\u81ea\u7531\u534f\u8bae\u7528\u4e8e\u652f\u6301\u672c\u5e94\u7528\u672a\u63d0\u4f9b\u7684 Modbus \u516c\u5171\u529f\u80fd\u7801\u3001 Modbus \u7528\u6237\u81ea\u5b9a\u4e49\u529f\u80fd\u7801\u548c Modbus \u4e4b\u5916\u7684\u201c\u81ea\u7531\u53e3\u201d\u901a\u4fe1\u3002\n\u7528\u6237\u987b\u624b\u52a8\u8f93\u5165\u201c\u8bf7\u6c42\u62a5\u6587\u201d\uff0c\u9664\u8f93\u5165\u683c\u5f0f\u5916\u672c\u5e94\u7528\u4e0d\u505a\u4efb\u4f55\u9a8c\u8bc1\u3002\n\u5f53\u201c\u8fd0\u884c\u89d2\u8272\u201d\u4e3a\u201c\u4e3b\u7ad9\u201d\/\u201c\u5ba2\u6237\u7aef\u201d\u4e14\u9009\u62e9\u201cFree\u201d\uff08\u81ea\u7531\u534f\u8bae\uff09 \u65f6\uff0c \u4e0d\u663e\u793a\u201c\u6570\u636e\u5217\u8868\u201d \u3001 \u201c Modbus\u8bbe\u7f6e\u201d\u548c\u201c\u6570\u636e\u8bbe\u7f6e\u201d\u680f\u3002 \u9875\u9762\u5982\u56fe 4-11 \u6240\u793a\uff1a\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2023\/11\/20231115234028137.png?x-oss-process=image\/resize,m_lfit,w_950,h_813)\n\n\u56fe 4 -11. \u81ea\u7531\u534f\u8bae\u754c\u9762\n\u5176\u4e2d\uff1a\n\u2460 \uff1a\u5411\u201c\u8bf7\u6c42\u62a5\u6587\u201d\u6dfb\u52a0 CRC \u6821\u9a8c\u7801\u6309\u94ae\u3002\u70b9\u51fb\u6b64\u6309\u94ae\u65f6\uff0c\u5c06\u6839\u636e\u5f53\u524d\u201c\u8bf7 \u6c42\u62a5\u6587\u201d\u81ea\u52a8\u751f\u6210 CRC \u6821\u9a8c\u7801\u5e76\u9644\u5728\u201c\u8bf7\u6c42\u62a5\u6587\u201d\u672b\u5c3e\u3002\n\n### \u5de5\u5177\u9875\u9762\n\n\u63d0\u4f9b\u4e86\u5404\u79cd\u5f00\u53d1\u8005\u5b9e\u7528\u5de5\u5177\u3002\n\n#### **\u62a5\u6587\u548c\u5730\u5740\u8f6c\u6362**\n\n\u5982\u56fe 4-12 \u6240\u793a\uff1a\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2023\/11\/20231115233459853.png?x-oss-process=image\/resize,m_lfit,w_950,h_957)\n\n\u5176\u4e2d\uff1a\n\u2460\u5f39\u51fa\u6309\u94ae\uff0c \u53ef\u5f39\u51fa\u5230\u72ec\u7acb\u7a97\u53e3\u3002\n\n- Modbus RTU \u62a5\u6587\u3001Modbus ASCII \u62a5\u6587\u548c Modbus TCP\/IP \u62a5\u6587\u95f4\u7684\u76f8\u4e92\u8f6c\u6362\n\n\u6bcf\u79cd\u534f\u8bae\u5747\u63d0\u4f9b\u4e86 2 \u79cd\u683c\u5f0f\u7684\u62a5\u6587\uff1a\n\n\u25fc \u5b8c\u6574\u62a5\u6587\uff08ADU\/\u5e94\u7528\u6570\u636e\u5355\u5143\uff09\uff1b\n\n\u25fc \u90e8\u5206\u62a5\u6587\uff1a\u53ea\u542b\u5730\u5740\uff08\u5355\u5143\u6807\u8bc6\uff09\u548c\u534f\u8bae\u6570\u636e\u5355\u5143(PDU)\u3002\u81ea\u52a8\u8ba1\u7b97 CRC\/LRC \u7b49\uff0c\n\n\u5e76\u81ea\u52a8\u586b\u5145\u9996\u5c3e\u5b57\u6bb5\u3002\n\n**\u5f53\u62a5\u6587\u8f93\u5165\u5b8c\u6210\u540e\u5fc5\u987b\u6309 Enter \u952e\u4ee5\u63d0\u4ea4\u3002**\n\n\u25fc \u82e5\u8f93\u5165\u7684\u62a5\u6587\u5408\u6cd5\uff0c\u6240\u6709\u5176\u5b83\u62a5\u6587\u5c06\u540c\u6b65\u66f4\u65b0\uff1b\n\n\u25fc \u82e5\u8f93\u5165\u7684\u62a5\u6587\u975e\u6cd5\uff0c\u5c06\u5728\u5176\u4e0a\u65b9\u5f39\u51fa\u9519\u8bef\u63d0\u793a\u3002\n\n- \u62a5\u6587\u5730\u5740\u548c\u8bbe\u5907\u5730\u5740\u95f4\u7684\u76f8\u4e92\u8f6c\u6362\n\n\u4e0b\u62c9\u83dc\u5355\u201c\u6570\u636e\u5757\u201d\u7528\u4e8e\u9009\u62e9\u6570\u636e\u5bfb\u5740\u7a7a\u95f4\u3002\n\n\u25fc \u5728\u201c\u62a5\u6587\u5730\u5740\u201d\u4e2d\u8f93\u5165\u5730\u5740\uff0c\u82e5\u8f93\u5165\u7684\u5730\u5740\u5408\u6cd5\uff0c\u201c\u8bbe\u5907\u5730\u5740\u201d\u5c06\u540c\u6b65\u66f4\u65b0\uff1b\n\n\u25fc \u5728\u201c\u8bbe\u5907\u5730\u5740\u201d\u4e2d\u8f93\u5165\u5730\u5740\uff0c\u82e5\u8f93\u5165\u7684\u5730\u5740\u5408\u6cd5\uff0c\u201c\u62a5\u6587\u5730\u5740\u201d\u5c06\u540c\u6b65\u66f4\u65b0\uff1b\n\n\u25fc \u82e5\u8f93\u5165\u7684\u5730\u5740\u975e\u6cd5\uff0c\u5c06\u5728\u5176\u4e0a\u65b9\u5f39\u51fa\u9519\u8bef\u63d0\u793a\u3002\n\n#### **\u6570\u5236\u8f6c\u6362**\n\n\u4e0d\u540c\u6570\u636e\u7c7b\u578b\u6570\u503c\u7684\u5341\u8fdb\u5236\u683c\u5f0f\u4e0e\u5341\u516d\u8fdb\u5236\u683c\u5f0f\u3001\u4e8c\u8fdb\u5236\u683c\u5f0f\u95f4\u7684\u76f8\u4e92\u8f6c\u6362 \u3002\u5982\u56fe 4-13 \u6240 \u793a\uff1a\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2023\/11\/20231115233334541.png?x-oss-process=image\/resize,m_lfit,w_950,h_716)\n\n\u56fe 4 -13. \u6570\u5236\u8f6c\u6362\n\u5176\u4e2d\uff1a\n\u2460 \u5f39\u51fa\u6309\u94ae\uff0c \u53ef\u5f39\u51fa\u5230\u72ec\u7acb\u7a97\u53e3\u3002\n\n\u6570\u636e\u7c7b\u578b\u8bf4\u660e\u957f\u5ea6\uff0c\u5b57\u8282SByte\u5e26\u7b26\u53f7 8 \u4f4d\u6574\u578b1Byte\u65e0\u7b26\u53f7 8 \u4f4d\u6574\u578b1Int16\u5e26\u7b26\u53f7 16 \u4f4d\u6574\u578b2UInt16\u65e0\u7b26\u53f7 16 \u4f4d\u6574\u578b2Int32\u5e26\u7b26\u53f7 32 \u4f4d\u6574\u578b4UInt32\u65e0\u7b26\u53f7 32 \u4f4d\u6574\u578b4Int64\u5e26\u7b26\u53f7 64 \u4f4d\u6574\u578b8UInt64\u65e0\u7b26\u53f7 64 \u4f4d\u6574\u578b8Single32 \u4f4d\u6d6e\u70b9\u578b4Double64 \u4f4d\u6d6e\u70b9\u578b8\u8868 4-7.\u652f\u6301\u7684\u6570\u636e\u7c7b\u578b\n\n- \u201c\u5341\u8fdb\u5236\u201d\u3001\u201c\u5341\u516d\u8fdb\u5236\u201d\u548c\u201c\u4e8c\u8fdb\u5236\u201d\u5b57\u6bb5\u7528\u4e8e\u8f93\u5165\u6570\u503c\n\n\u25fc \u82e5\u8f93\u5165\u7684\u6570\u503c\u5408\u6cd5\uff0c\u6240\u6709\u5176\u5b83\u5b57\u6bb5\u5c06\u540c\u6b65\u66f4\u65b0\uff1b\n\n\u25fc \u82e5\u8f93\u5165\u7684\u6570\u503c\u975e\u6cd5\uff0c\u5c06\u5728\u5176\u4e0a\u65b9\u5f39\u51fa\u9519\u8bef\u63d0\u793a\u3002\n\n- \u5207\u6362\u201c\u6570\u636e\u7f16\u7801\u201d\u65f6\uff0c\u6240\u6709\u5b57\u6bb5\u5c06\u81ea\u52a8\u6539\u53d8\u3002\n\n#### **ASCII \u4ee3\u7801\u8868**\n\n\u63d0\u4f9b\u6807\u51c6 ASCII \u7801\u8868 \u3002\u5982\u56fe 4-14 \u6240\u793a\uff1a\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2023\/11\/20231115233140907.png?x-oss-process=image\/resize,m_lfit,w_950,h_904)\n\n\u5176\u4e2d\uff0c\n\u2460 \u5f39\u51fa\u6309\u94ae\uff0c \u53ef\u5f39\u51fa\u5230\u72ec\u7acb\u7a97\u53e3\u3002\n\n#### **\u672c\u5730\u7f51\u7edc\u9002\u914d\u5668**\n\n\u63d0\u4f9b\u672c\u5730\u6240\u6709\u7f51\u7edc\u9002\u914d\u5668\u7684\u6807\u8bc6\u53ca IP \u5730\u5740\u3002\u5982\u56fe 4-15 \u6240\u793a\uff1a\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2023\/11\/20231115233013576.png?x-oss-process=image\/resize,m_lfit,w_950,h_496)\n\n\u5176\u4e2d\uff0c\n\u2460 \u5f39\u51fa\u6309\u94ae\uff0c \u53ef\u5f39\u51fa\u5230\u72ec\u7acb\u7a97\u53e3\u3002\n\n#### **\u672c\u5730\u4e32\u53e3\u8bbe\u5907**\n\n\u672c\u5730\u4e32\u53e3\uff08\u5305\u62ec\u865a\u62df\u4e32\u53e3\uff09\u7684\u6807\u8bc6\u3002 \u5982\u56fe 4-16 \u6240\u793a\uff1a\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2023\/11\/20231115232850605.png?x-oss-process=image\/resize,m_lfit,w_950,h_600)\n\n\u5176\u4e2d\uff0c\n\u2460 \u5f39\u51fa\u6309\u94ae\uff0c \u53ef\u5f39\u51fa\u5230\u72ec\u7acb\u7a97\u53e3.\n\n### **\u8bbe\u7f6e\u9875\u9762**\n\n\u8bbe\u7f6e\u9875\u9762\u7528\u4e8e\u4e2a\u6027\u5316\u8bbe\u7f6e\u672c\u5e94\u7528\u7684\u4e3b\u9898\u3001\u8bed\u8a00\u53ca\u6062\u590d\u51fa\u5382\u9ed8\u8ba4\u8bbe\u7f6e\u53c2\u6570\u3002\u5982\u56fe 4-17 \u6240\u793a\uff1a\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2023\/11\/20231115232648318.png)\n\n#### **\u4e2a\u6027\u5316**\n\n- \u201c\u4e3b\u9898\u201d\uff1a\u8bbe\u7f6e\u672c\u5e94\u7528\u7684\u4e3b\u9898\u3002\u9009\u4e2d\u201c\u9ed8\u8ba4\u201d\u65f6\uff0c\u672c\u5e94\u7528\u7684\u4e3b\u9898\u5c06\u4e0e\u64cd\u4f5c\u7cfb\u7edf\u7684\u201cWindows\u8bbe\u7f6e\u201d\/\u201c\u4e2a\u6027\u5316\u201d\/\u201c\u4e3b\u9898\u201d\u4e00\u81f4\uff1b\n\n- \u201c\u8bed\u8a00\u201d\uff1a\u8bbe\u7f6e\u672c\u5e94\u7528\u7684\u8bed\u8a00\u3002\u652f\u6301\u7684\u8bed\u8a00\uff1a\u4e2d\u6587\uff08\u7b80\u4f53\uff09\u3001\u82f1\u8bed\u3001\u6cd5\u8bed\u548c\u5fb7\u8bed\u3002\n\n\u4e2a\u6027\u5316\u793a\u4f8b\u5982\u56fe 4-18 \u6240\u793a\u3002\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2023\/11\/20231115232619650.png)\n\n#### **\u6062\u590d\u9ed8\u8ba4\u8bbe\u7f6e**\n\n\u5355\u51fb\u6309\u94ae \u53ef\u5c06\u672c\u5e94\u7528\u7684\u6240\u6709\u8bbe\u7f6e\u53c2\u6570\u6062\u590d\u4e3a\u51fa\u5382\u9ed8\u8ba4\u8bbe\u7f6e\u53c2\u6570\u3002\n**\u6ce8\u610f\uff1a \u4ec5\u5f53\u8fde\u63a5\u65ad\u5f00\u65f6\u5141\u8bb8\u64cd\u4f5c\u3002**\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/03\/20240327161931529.png)\n\n---\n*modbus.cn*\n"