"# Free Modbus Simulator\uff08ModRSsim2\uff09\u4f7f\u7528\u6559\u7a0b\uff1a\u514d\u8d39\u7684\u4ece\u7ad9\u6a21\u62df\u4e0e\u6d4b\u8bd5\u5de5\u5177\n\n> 2026-06-26 | 2026-06-26\n> https:\/\/www.modbus.cn\/en\/43937.html\n\n**Modbus\u8c03\u8bd5\u5de5\u5177**\n\n---\n\n## Free Modbus Simulator\uff08ModRSsim2\uff09\u7b80\u4ecb\n\nFree Modbus Simulator\uff08\u6700\u65b0\u7248\u672c\u547d\u540d\u4e3a ModRSsim2\uff09\u662f\u4e00\u6b3e Windows \u5e73\u53f0\u4e0a\u7684\u514d\u8d39 Modbus RTU \u548c TCP \u4ece\u7ad9\uff08Slave\/Server\uff09\u6a21\u62df\u5668\uff0c\u9879\u76ee\u6258\u7ba1\u5728 SourceForge\uff1a[sourceforge.net\/projects\/modrssim2](https:\/\/sourceforge.net\/projects\/modrssim2\/)\u3002\n\nModRSsim2 \u662f\u539f\u7248 \"Free Modbus Simulator\" \u7684\u4e00\u4e2a\u5206\u652f\uff08fork\uff09\u548c\u6269\u5c55\u7248\u672c\uff0c\u7531\u793e\u533a\u5f00\u53d1\u8005\u7ef4\u62a4\u3002\u4f7f\u7528 Visual Studio C++ 2010 \u7f16\u5199\uff0c\u5b8c\u6574\u6e90\u7801\u5f00\u6e90\u3002\u5b83\u5728\u539f\u7248\u57fa\u7840\u4e0a\u589e\u52a0\u4e86\u66f4\u591a\u8bca\u65ad\u529f\u80fd\u548c\u811a\u672c\u652f\u6301\u3002\n\n## \u529f\u80fd\u7279\u6027\n\n- **\u5168\u5730\u5740\u7a7a\u95f4\u6a21\u62df**\uff1a\u652f\u6301\u56db\u79cd Modbus \u6570\u636e\u7c7b\u578b\uff080xxxx \u7ebf\u5708\u30011xxxx \u79bb\u6563\u8f93\u5165\u30013xxxx \u8f93\u5165\u5bc4\u5b58\u5668\u30014xxxx \u4fdd\u6301\u5bc4\u5b58\u5668\uff09\u7684\u5b8c\u6574\u5730\u5740\u8303\u56f4\n- **\u591a\u8bbe\u5907\u6a21\u62df**\uff1a\u53ef\u540c\u65f6\u6a21\u62df\u591a\u4e2a\u4e0d\u540c\u7684 Device ID\uff08Slave Address\uff09\n- **\u53cc\u534f\u8bae**\uff1a\u540c\u65f6\u652f\u6301 Modbus RTU\uff08\u4e32\u53e3\uff09\u548c Modbus TCP\uff08\u4ee5\u592a\u7f51\uff09\n- **\u6d41\u91cf\u6355\u83b7**\uff1a\u5b8c\u6574\u7684\u5b57\u8282\u7ea7\u901a\u4fe1\u6355\u83b7\u548c\u65e5\u5fd7\u8bb0\u5f55\uff0c\u5e26\u4eba\u5de5\u53ef\u8bfb\u7684\u89e3\u7801\u63cf\u8ff0\n- **CSV \u52a0\u8f7d**\uff1a\u4ece CSV \u6587\u4ef6\u6279\u91cf\u52a0\u8f7d\u5bc4\u5b58\u5668\u521d\u59cb\u503c\n- **\u811a\u672c\u73af\u5883**\uff1a\u652f\u6301\u6d4b\u8bd5\u811a\u672c\uff0c\u81ea\u52a8\u5316\u4fee\u6539\u5bc4\u5b58\u5668\u503c\n- **HTML \u81ea\u5b9a\u4e49\u663e\u793a**\uff1a\u53ef\u4ee5\u4f7f\u7528 HTML \u6a21\u677f\u81ea\u5b9a\u4e49\u6570\u636e\u663e\u793a\u754c\u9762\n- **\u5b8c\u6574\u6e90\u7801**\uff1aC++ \u6e90\u7801\u53ef\u7528\uff0c\u4fbf\u4e8e\u4e8c\u6b21\u5f00\u53d1\n\n## \u4e0b\u8f7d\u4e0e\u5b89\u88c5\n\n```\n# \u4ece SourceForge \u4e0b\u8f7d\n# https:\/\/sourceforge.net\/projects\/modrssim2\/\n\n# \u76f4\u63a5\u4e0b\u8f7d\u6700\u65b0\u7248\u672c\u7684 EXE \u5b89\u88c5\u5305\uff0c\u8fd0\u884c\u5b89\u88c5\u5373\u53ef\n```\n\n\u5b89\u88c5\u540e\u542f\u52a8 ModRSsim2\uff0c\u4e3b\u754c\u9762\u63d0\u4f9b\u4ee5\u4e0b\u64cd\u4f5c\u533a\uff1a\n\n- **\u9876\u90e8\u83dc\u5355\u680f**\uff1a\u914d\u7f6e\u3001\u8fde\u63a5\u3001\u811a\u672c\u3001\u65e5\u5fd7\u7b49\n- **\u5de6\u4fa7\u8bbe\u5907\u6811**\uff1a\u7ba1\u7406\u6a21\u62df\u7684\u591a\u4e2a\u4ece\u7ad9\u8bbe\u5907\n- **\u4e2d\u95f4\u6570\u636e\u533a**\uff1a\u663e\u793a\u548c\u7f16\u8f91\u5bc4\u5b58\u5668\/\u7ebf\u5708\u7684\u503c\n- **\u5e95\u90e8\u65e5\u5fd7\u533a**\uff1a\u663e\u793a\u901a\u4fe1\u6d41\u91cf\u548c\u89e3\u7801\u4fe1\u606f\n\n## \u521b\u5efa TCP \u4ece\u7ad9\n\n- \u83dc\u5355\u680f\u70b9\u51fb **Connection \u2192 TCP\/IP**\n- \u8bbe\u7f6e\u76d1\u542c\u7aef\u53e3\uff08\u9ed8\u8ba4 502\uff09\n- \u8bbe\u7f6e\u4ece\u7ad9\u5730\u5740\uff08Device ID\uff09\uff1a1\n- \u5728\u6570\u636e\u533a\u9009\u62e9 **Holding Registers (4xxxx)** \u6807\u7b7e\u9875\n- \u76f4\u63a5\u5728\u8868\u683c\u4e2d\u586b\u5165\u60f3\u8981\u8fd4\u56de\u7684\u5bc4\u5b58\u5668\u503c\n- \u70b9\u51fb **Start** \u6309\u94ae\u542f\u52a8\u6a21\u62df\n\n\u7528 Modbus Poll \u6216 Modpoll \u8fde\u63a5 127.0.0.1:502 \u6d4b\u8bd5\uff0c\u5373\u53ef\u8bfb\u53d6\u5230\u8bbe\u5b9a\u7684\u503c\u3002\n\n## \u521b\u5efa RTU \u4e32\u53e3\u4ece\u7ad9\n\n- \u83dc\u5355\u680f\u70b9\u51fb **Connection \u2192 Serial (RTU)**\n- \u9009\u62e9\u4e32\u53e3\u53f7\uff08\u5982 COM3\uff09\n- \u8bbe\u7f6e\u6ce2\u7279\u7387\uff089600\uff09\u3001\u6570\u636e\u4f4d\uff088\uff09\u3001\u6821\u9a8c\u4f4d\uff08None\uff09\u3001\u505c\u6b62\u4f4d\uff081\uff09\n- \u8bbe\u7f6e\u4ece\u7ad9\u5730\u5740\n- \u70b9\u51fb Start \u542f\u52a8\n\n\u26a0\ufe0f ModRSsim2 \u4f7f\u7528\u4e32\u53e3\u65f6\uff0c\u8be5\u4e32\u53e3\u4f1a\u88ab\u72ec\u5360\u3002\u4e0d\u8981\u540c\u65f6\u7528\u5176\u4ed6\u8f6f\u4ef6\u6253\u5f00\u540c\u4e00\u4e2a\u4e32\u53e3\uff0c\u5426\u5219\u4f1a\u51fa\u73b0\"\u7aef\u53e3\u88ab\u5360\u7528\"\u9519\u8bef\u3002\n\n## \u901a\u4fe1\u65e5\u5fd7\u4e0e\u8bca\u65ad\n\nModRSsim2 \u7684\u901a\u4fe1\u65e5\u5fd7\u529f\u80fd\u975e\u5e38\u8be6\u5c3d\uff0c\u5bf9\u4e8e\u8c03\u8bd5 Modbus \u901a\u4fe1\u95ee\u9898\u975e\u5e38\u6709\u4ef7\u503c\uff1a\n\n- **\u5b57\u8282\u7ea7\u6355\u83b7**\uff1a\u663e\u793a\u539f\u59cb\u7684\u5341\u516d\u8fdb\u5236\u901a\u4fe1\u5b57\u8282\n- **\u89e3\u7801\u63cf\u8ff0**\uff1a\u81ea\u52a8\u89e3\u6790\u6bcf\u5e27\u7684\u542b\u4e49\uff08\u5982 \"FC03: Read Holding Registers from address 0, count 10\"\uff09\n- **\u65f6\u95f4\u6233**\uff1a\u6bcf\u6761\u8bb0\u5f55\u5e26\u6709\u7cbe\u786e\u7684\u65f6\u95f4\u6233\n- **\u65e5\u5fd7\u5bfc\u51fa**\uff1a\u53ef\u5bfc\u51fa\u4e3a\u6587\u672c\u6587\u4ef6\u8fdb\u884c\u5206\u6790\n\n## CSV \u6279\u91cf\u52a0\u8f7d\u5bc4\u5b58\u5668\u503c\n\n\u5982\u679c\u4f60\u9700\u8981\u6a21\u62df\u4e00\u4e2a\u6709\u51e0\u5341\u4e0a\u767e\u4e2a\u5bc4\u5b58\u5668\u7684\u8bbe\u5907\uff0c\u9010\u4e00\u624b\u52a8\u586b\u5199\u503c\u662f\u4e0d\u73b0\u5b9e\u7684\u3002ModRSsim2 \u652f\u6301 CSV \u6587\u4ef6\u6279\u91cf\u5bfc\u5165\uff1a\n\n```\n# CSV \u683c\u5f0f\u793a\u4f8b\uff08holding_registers.csv\uff09\nAddress,Value,Description\n40001,1234,A\u76f8\u7535\u538b(mV)\n40002,1198,B\u76f8\u7535\u538b(mV)\n40003,1205,C\u76f8\u7535\u538b(mV)\n40004,850,A\u76f8\u7535\u6d41(mA x100)\n40005,830,B\u76f8\u7535\u6d41(mA x100)\n40006,845,C\u76f8\u7535\u6d41(mA x100)\n40007,1020,\u9891\u7387(Hz x100)\n40008,500,\u6709\u529f\u529f\u7387(W)\n```\n\n\u83dc\u5355 \u2192 File \u2192 Import CSV \u2192 \u9009\u62e9\u6587\u4ef6 \u2192 \u5bfc\u5165\u5b8c\u6210\u3002\n\n## ModRSsim2 vs \u5176\u4ed6\u514d\u8d39\u6a21\u62df\u5668\n\n\u5de5\u5177\u5e73\u53f0\u7279\u70b9\u6d3b\u8dc3\u5ea6\n\n**ModRSsim2**Windows\u5168\u5730\u5740\u7a7a\u95f4\u3001\u901a\u4fe1\u65e5\u5fd7\u3001CSV\u5bfc\u5165\u3001\u5f00\u6e90\u4f4e\n**ModbusPal**\u8de8\u5e73\u53f0(Java)Python\u811a\u672c\u52a8\u6001\u751f\u6210\u6570\u636e\u4f4e\n**Modbus Slave**Windows\u5546\u4e1a\u8f6f\u4ef6\uff0c\u529f\u80fd\u6700\u5b8c\u5584\u6d3b\u8dc3\n**Unslave**\u8de8\u5e73\u53f0\u73b0\u4ee3 UI\uff0c\u4ecd\u5728\u5f00\u53d1\u4e2d\u4e2d\n\n## \u603b\u7ed3\n\nModRSsim2 \u662f Windows \u5e73\u53f0\u4e0a\u6700\u5b9e\u7528\u7684\u514d\u8d39 Modbus \u4ece\u7ad9\u6a21\u62df\u5668\u4e4b\u4e00\u3002\u5b83\u867d\u7136\u6ca1\u6709 ModbusPal \u90a3\u6837\u7684 Python \u811a\u672c\u52a8\u6001\u6570\u636e\u80fd\u529b\uff0c\u4f46\u5728\u9759\u6001\u6a21\u62df\u573a\u666f\uff08\u6309\u7167\u5df2\u77e5\u7684\u6570\u636e\u8868\u6a21\u62df\u4e00\u4e2a\u56fa\u5b9a\u7684\u4ece\u7ad9\u8bbe\u5907\uff09\u4e2d\u66f4\u52a0\u7b80\u5355\u76f4\u63a5\u3002\u7279\u522b\u662f\u5b83\u7684\u901a\u4fe1\u65e5\u5fd7\u89e3\u7801\u529f\u80fd\u548c CSV \u6279\u91cf\u5bfc\u5165\u529f\u80fd\uff0c\u975e\u5e38\u9002\u5408\u5728 Modbus \u4e3b\u7ad9\u5f00\u53d1\u9636\u6bb5\u8fdb\u884c\u8054\u8c03\u6d4b\u8bd5\u3002\n\n---\n*modbus.cn*\n"