"# Modbus \u5bc4\u5b58\u5668\n\n> 2024-04-29 | 2026-06-30\n> https:\/\/www.modbus.cn\/en\/27930.html\n\n**Modbus \u534f\u8bae\u6807\u51c6**\n\n---\n\n## \u7ebf\u5708\u548c\u5bc4\u5b58\u5668[\u200b](https:\/\/getiot.tech\/zh\/modbus\/common-modbus-registers#%E7%BA%BF%E5%9C%88%E5%92%8C%E5%AF%84%E5%AD%98%E5%99%A8)\n\n\u524d\u9762\u4ecb\u7ecd Modbus \u7684\u5185\u5bb9\u4e2d\u591a\u6b21\u63d0\u5230\u7ebf\u5708\uff08coil\uff09\u548c\u5bc4\u5b58\u5668\uff08register\uff09\u7684\u6982\u5ff5\uff0c\u5c24\u5176\u662f Modbus \u529f\u80fd\u7801 \u4e2d\uff0c\u64cd\u4f5c\u7684\u5bf9\u8c61\u57fa\u672c\u4e0a\u90fd\u662f\u7ebf\u5708\u548c\u5bc4\u5b58\u5668\u3002\n\n\u5728 Modbus \u534f\u8bae\u4e2d\u4e4b\u6240\u4ee5\u4ecd\u7136\u79f0\u4e3a\u7ebf\u5708\u548c\u5bc4\u5b58\u5668\uff0c\u5b8c\u5168\u662f\u5386\u53f2\u539f\u56e0\u3002\u5728 PLC \u5e94\u7528\u9886\u57df\uff0c\u4e00\u4e2a\u7ebf\u5708\u5c31\u4ee3\u8868\u4e00\u4e2a PLC \u8f93\u51fa\u70b9\uff0c\u4e5f\u79f0\u4e3a\u8f93\u51fa\u7ee7\u7535\u5668\u3002\u901a\u8fc7\u63a7\u5236\u7ebf\u5708\u5bfc\u901a\u4e0e\u5426\u6765\u6539\u53d8\u7ee7\u7535\u5668\u8f93\u51fa\u72b6\u6001\uff0c\u5b9e\u73b0\u5f31\u7535\u63a7\u5236\u5f3a\u7535\u3002\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/04\/20240429003516666.gif)\n\n\u4f46\u5b9e\u9645\u4e0a\uff0c\u5728\u5982\u4eca\u7684 Modbus \u8bbe\u5907\u4e2d\uff0c\u5b83\u4eec\u90fd\u53ea\u662f\u5bf9\u5e94\u4e00\u5757\u5185\u5b58\u533a\u57df\u800c\u5df2\u3002\u5176\u4e2d\uff0c\u7ebf\u5708\u4ee3\u8868\u4f4d\u64cd\u4f5c\uff08bit\uff09\uff0c\u8868\u793a\u4e00\u4e2a\u5e03\u5c14\u53d8\u91cf\uff1b\u5bc4\u5b58\u5668\u4ee3\u8868\u5b57\u64cd\u4f5c\uff08word\uff09\uff0c\u8868\u793a\u4e00\u4e2a\u6574\u578b\u53d8\u91cf\uff08\u5f53\u7136\u4e5f\u53ef\u4ee5\u901a\u8fc7\u591a\u4e2a\u5b57\u7684\u7ec4\u5408\uff0c\u8868\u793a\u6d6e\u70b9\u6570\u4ee5\u53ca\u5176\u4ed6\u590d\u5408\u6570\u636e\u7ed3\u6784\uff09\u3002\u5728 Modbus \u534f\u8bae\u4e2d\uff0c\u5b57\uff08word\uff09\u7684\u957f\u5ea6\u662f 16 \u4f4d\uff0c\u5373 2 \u4e2a\u5b57\u8282\u3002\n\n## \u5bc4\u5b58\u5668\u79cd\u7c7b\u8bf4\u660e[\u200b](https:\/\/getiot.tech\/zh\/modbus\/common-modbus-registers#%E5%AF%84%E5%AD%98%E5%99%A8%E7%A7%8D%E7%B1%BB%E8%AF%B4%E6%98%8E)\n\n\u5728 Modbus \u534f\u8bae\u4e2d\uff0c\u6240\u6709\u6570\u636e\u5747\u5b58\u653e\u4e8e\u5bc4\u5b58\u5668\u4e2d\u3002\u6839\u636e\u5b58\u653e\u7684\u6570\u636e\u7c7b\u578b\u4ee5\u53ca\u5404\u81ea\u8bfb\u5199\u7279\u6027\uff0c\u53ef\u4ee5\u5c06\u5bc4\u5b58\u5668\u5206\u4e3a\u56db\u4e2a\u90e8\u5206\uff0c\u8fd9\u56db\u4e2a\u90e8\u5206\u53ef\u4ee5\u8fde\u7eed\u4e5f\u53ef\u4ee5\u4e0d\u8fde\u7eed\uff0c\u5b8c\u5168\u7531\u5f00\u53d1\u8005\u51b3\u5b9a\u3002\n\n\u4e0b\u8868\u5c55\u793a\u4e86\u56db\u7c7b\u5bc4\u5b58\u5668\u7684\u542b\u4e49\u4ee5\u53ca\u4e0e PLC \u7684\u7c7b\u6bd4\u3002\n\n\u5bc4\u5b58\u5668\u79cd\u7c7b\u542b\u4e49PLC\u793a\u4f8b\u7ebf\u5708\u72b6\u6001\n\uff08Coil Status\uff09\u8f93\u51fa\u7aef\u53e3\uff08\u53ef\u8bfb\u53ef\u5199\uff09DO\uff08\u6570\u5b57\u91cf\u8f93\u51fa\uff09\u7535\u78c1\u9600\u8f93\u51fa\u3001LED \u663e\u793a\u79bb\u6563\u8f93\u5165\u72b6\u6001\n\uff08Input Status\uff09\u8f93\u5165\u7aef\u53e3\uff08\u53ea\u8bfb\uff09DI\uff08\u6570\u5b57\u91cf\u8f93\u5165\uff09\u62e8\u7801\u5f00\u5173\u3001\u5fae\u52a8\u5f00\u5173\u4fdd\u6301\u5bc4\u5b58\u5668\n\uff08Holding Register\uff09\u8f93\u51fa\u53c2\u6570\uff08\u53ef\u8bfb\u53ef\u5199\uff09AO\uff08\u6a21\u62df\u91cf\u8f93\u51fa\uff09PID \u8fd0\u884c\u53c2\u6570\u3001\u9608\u503c\u4e0a\u4e0b\u9650\u8f93\u5165\u5bc4\u5b58\u5668\n\uff08Input Register\uff09\u8f93\u5165\u53c2\u6570\uff08\u53ea\u8bfb\uff09AI\uff08\u6a21\u62df\u91cf\u8f93\u5165\uff09\u4f20\u611f\u5668\u6570\u636e\u8f93\u5165\n\n## \u5bc4\u5b58\u5668\u5730\u5740\u5206\u914d[\u200b](https:\/\/getiot.tech\/zh\/modbus\/common-modbus-registers#%E5%AF%84%E5%AD%98%E5%99%A8%E5%9C%B0%E5%9D%80%E5%88%86%E9%85%8D)\n\nModbus \u5bc4\u5b58\u5668\u5730\u5740\u5206\u914d\u5982\u4e0b\u8868\u6240\u793a\uff0c\u540c\u6837\u53c2\u7167\u4e86 PLC \u5bc4\u5b58\u5668\u5730\u5740\u7684\u5206\u914d\u65b9\u6cd5\u3002\n\n\u5bc4\u5b58\u5668\u79cd\u7c7b\u5bc4\u5b58\u5668PLC\u5730\u5740\u5bc4\u5b58\u5668Modbus\u534f\u8bae\u5730\u5740\u7b80\u79f0\u7ebf\u5708\u72b6\u600100001~099990000H~FFFFH0x\u79bb\u6563\u8f93\u5165\u72b6\u600110001~199990000H~FFFFH1x\u4fdd\u6301\u5bc4\u5b58\u566840001~499990000H~FFFFH4x\u8f93\u5165\u5bc4\u5b58\u566830001~399990000H~FFFFH3x\n\n\u8be5\u8868\u4e2d\u7684 PLC \u5730\u5740\u53ef\u4ee5\u7406\u89e3\u4e3a Modbus \u534f\u8bae\u5730\u5740\u7684\u53d8\u79cd\uff0c\u5728\u89e6\u6478\u5c4f\u548c PLC \u7f16\u7a0b\u4e2d\u5e94\u7528\u8f83\u4e3a\u5e7f\u6cdb\u3002\n\n- \u5bc4\u5b58\u5668 PLC \u5730\u5740\u6307\u5b58\u653e\u4e8e\u63a7\u5236\u5668\u4e2d\u7684\u5730\u5740\uff0c\u8fd9\u4e9b\u63a7\u5236\u5668\u53ef\u4ee5\u662f PLC\uff0c\u4e5f\u53ef\u4ee5\u662f\u89e6\u6478\u5c4f\uff0c\u6216\u8005\u6587\u672c\u663e\u793a\u5668\u3002PLC \u5730\u5740\u4e00\u822c\u91c7\u7528\u5341\u8fdb\u5236\u63cf\u8ff0\uff0c\u5171\u6709 5 \u4f4d\uff0c\u5176\u4e2d\u7b2c\u4e00\u4f4d\u6570\u5b57\u4ee3\u8868\u5bc4\u5b58\u5668\u7c7b\u578b\u3002\n\n- \u5bc4\u5b58\u5668 Modbus \u534f\u8bae\u5730\u5740\u6307\u7684\u662f\u901a\u4fe1\u65f6\u4f7f\u7528\u7684\u5bc4\u5b58\u5668\u5bfb\u5740\u5730\u5740\uff0c\u4f8b\u5982 PLC \u5730\u5740 40001 \u5bf9\u5e94\u5bfb\u5740\u5730\u5740 0x0000\uff0c40002 \u5bf9\u5e94\u5bfb\u5740\u5730\u5740 0x0001\u3002\u5bc4\u5b58\u5668\u5bfb\u5740\u5730\u5740\u4e00\u822c\u4f7f\u7528\u5341\u516d\u8fdb\u5236\u63cf\u8ff0\u3002\n\n\u7ec6\u5fc3\u7684\u4f60\u4f1a\u53d1\u73b0\uff0cPLC \u5bc4\u5b58\u5668\u5730\u5740 40003 \u5bf9\u5e94\u7684\u534f\u8bae\u5730\u5740\u662f 0x0002\uff0cPLC \u5bc4\u5b58\u5668\u5730\u5740 30003 \u5bf9\u5e94\u7684\u534f\u8bae\u5730\u5740\u4e5f\u662f 0x0002\uff0c\u867d\u7136\u901a\u4fe1\u65f6\u4f7f\u7528\u4e24\u4e2a\u76f8\u540c\u7684 Modbus \u534f\u8bae\u5730\u5740\uff0c\u4f46\u662f\u56e0\u4e3a\u4e0d\u540c\u5bc4\u5b58\u5668\u7684\u529f\u80fd\u7801\u662f\u4e0d\u76f8\u540c\u7684\uff0c\u56e0\u6b64\u5e76\u4e0d\u5b58\u5728\u8bbf\u95ee\u51b2\u7a81\u3002\n\n---\n*modbus.cn*\n"