{"id":26430,"date":"2024-01-04T16:47:45","date_gmt":"2024-01-04T08:47:45","guid":{"rendered":"https:\/\/www.modbus.cn\/?p=26430"},"modified":"2026-06-30T23:42:47","modified_gmt":"2026-06-30T15:42:47","slug":"modbus-kong-qi-wen-shi-du-chuan-gan-qi-xie-yi-shuo-ming","status":"publish","type":"post","link":"https:\/\/www.modbus.cn\/en\/26430.html","title":{"rendered":"Modbus\u7a7a\u6c14\u6e29\u6e7f\u5ea6\u4f20\u611f\u5668\u534f\u8bae\u8bf4\u660e"},"content":{"rendered":"

\u7a7a\u6c14\u6e29\u6e7f\u5ea6\u4f20\u611f\u5668<\/strong>\u4f7f\u7528<\/strong>\u8bf4\u660e\u4e66<\/strong><\/strong><\/p>\n\n\n\n

1\u3001\u6982\u8ff0<\/strong><\/strong><\/p>\n\n\n\n

\u7a7a\u6c14\u6e29\u6e7f\u5ea6\u4f20\u611f\u5668\u5185\u90e8\u914d\u7f6eMEMS\u4e13\u7528\u6a21\u5757\u7528\u4e8e\u6d4b\u91cf\u7a7a\u6c14\u6e29\u6e7f\u5ea6\uff0c\u7ebf\u6027\u5ea6\u597d\uff0c\u7a33\u5b9a\u6027\u9ad8\u3002\u6807\u51c6MODBUS-RTU\u901a\u4fe1\u534f\u8bae\uff0cRS485\u6570\u5b57\u4fe1\u53f7\u8f93\u51fa\uff0c\u9002\u5408\u8fdc\u8ddd\u79bb\u7ec4\u7f51\u4f20\u8f93\u3002\u5b8c\u5168\u517c\u5bb9\u7ec4\u6001\u738b\u7b49\u591a\u79cd\u4e0a\u4f4d\u673a\u7ec4\u6001\u8f6f\u4ef6\uff0c\u6613\u4e0e\u7b2c\u4e09\u65b9\u8bbe\u5907\u914d\u5957\u3002\u53ef\u5e7f\u6cdb\u7528\u4e8e\u6c14\u8c61\u7ad9\u3001\u6e29\u5ba4\u5927\u68da\u3001\u667a\u6167\u517b\u6b96\uff0c\u5de5\u5382\u5546\u53a6\u53ca\u7269\u8054\u7f51\u73af\u5883\u76d1\u6d4b\u9886\u57df\u3002<\/p>\n\n\n\n

2\u3001\u4e3b\u8981\u6280\u672f\u6307\u6807<\/strong><\/strong><\/p>\n\n\n\n

\u76f4\u6d41\u4f9b\u7535<\/td>DC9-24V<\/td><\/tr>
\u5de5\u4f5c\u73af\u5883<\/td>-20~50\u5ea6\uff0c 15~90%RH\u65e0\u51dd\u7ed3<\/td><\/tr>
\u4f20\u8f93\u8ddd\u79bb<\/td>500\u7c73\uff08RS485\u901a\u4fe1\u4e13\u7528\u7535\u7f06\uff09<\/td><\/tr>
\u6d4b\u91cf\u8303\u56f4<\/td>\u7a7a\u6c14\u6e29\u5ea6<\/td>\u91cf\u7a0b\uff1a-40~80\u2103\u7cbe\u5ea6\uff1a\u00b10.5\u2103<\/td><\/tr>
\u7a7a\u6c14\u6e7f\u5ea6<\/td>  \u91cf\u7a0b\uff1a0-100%RH \u7cbe\u5ea6\uff1a\u00b13%RH<\/td><\/tr>
\u8f93\u51fa\u4fe1\u53f7<\/td>RS485\u8f93\u51fa<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

3\u3001\u5b89\u88c5\u4e0e\u8c03\u8bd5<\/strong><\/strong><\/p>\n\n\n\n

3<\/strong>.1\u5916\u5f62\u5c3a\u5bf8<\/strong>90*25<\/strong><\/p>\n\n\n\n

<\/figure>\n\n\n\n

3.2\u63a5\u7ebf\u8bf4\u660e<\/strong><\/p>\n\n\n\n

<\/figure>\n\n\n\n

\u7ebf\u7f06\u5b9a\u4e49<\/strong>\uff1a<\/strong>\u2460<\/strong>\u7ea2\u7ebf\uff1aDC<\/strong>9-24<\/strong>V\u7535\u6e90+<\/strong><\/strong><\/p>\n\n\n\n

\u2461<\/strong>\u9ed1\u7ebf\uff1a\u7535\u6e90\u5730<\/strong>\uff08<\/strong>GND)<\/strong><\/strong><\/p>\n\n\n\n

\u2462<\/strong>\u9ec4\u7ebf\uff1aRS485-A<\/strong><\/strong><\/p>\n\n\n\n

\u2463<\/strong>\u84dd\u7ebf\uff1aRS485-B<\/strong><\/p>\n\n\n\n

3.3\u5b89\u88c5\u65b9\u6cd5<\/strong><\/strong><\/p>\n\n\n\n

<\/figure>\n\n\n\n

3<\/strong>.<\/strong>4<\/strong>\u5730\u5740\u8bbe\u7f6e\uff08\u51fa\u5382\u65f6\u5df2\u8bbe\u7f6e\u597d\uff0c\u8be6\u89c1<\/strong>\u4f20\u611f\u5668<\/strong>\u94ed\u724c\uff0c\u5982\u9700\u4fee\u6539\u6309\u5982\u4e0b\u8bf4\u660e\u64cd\u4f5c\uff09<\/strong><\/strong><\/p>\n\n\n\n

\u4f20\u611f\u5668\u5730\u5740\u7531\u62e8\u7801\u5f00\u5173\u9009\u5b9a\uff0c\u7528\u6237\u9700\u5728001~255\u5185\u9009\u62e9\u8bbe\u7f6e\u4ece\u7ad9\u5730\u5740\uff0c\u8bbe\u5b9a\u597d\u540e\u65ad\u7535\u91cd\u542f\u6709\u6548\u3002<\/p>\n\n\n\n

<\/figure>\n\n\n\n

\u5982\u4e0a\u56fe\u6240\u793a\u62e8\u78011\u7684\u56db\u4f4d\u62e8\u7801\u5f00\u51731\u30012\u30013\u30014\u4ee3\u8868\u6570\u503c1\u30012\u30014\u30018\uff0c\u62e8\u78012\u7684\u56db\u4f4d\u62e8\u7801\u5f00\u51731\u30012\u30013\u30014\u4ee3\u8868\u6570\u503c16\u300132\u300164\u3001128\uff0c\u62e8\u5230\u201cON\u201d\u5373\u4e3a\u6709\u6548\u7684\u503c\uff0c\u62e8\u5230\u201cON\u201d\u76f8\u53cd\u7684\u65b9\u5411\u5373\u4e3a\u65e0\u6548\u7684\u503c\uff0c\u5730\u5740\u4e3a\u6709\u6548\u7684\u503c\u76f8\u52a0\u6240\u5f97\u6570\u503c\u3002\u4f8b\uff1a\u5730\u5740\u4e3a100\uff0c\u5219\u62e8\u7801\u5f00\u51733\u30016\u30017\u4f4d\u62e8\u5230ON\u4f4d\u7f6e\uff0c\u53734+32+64=100\u3002<\/p>\n\n\n\n

3.<\/strong>5<\/strong>\u4f20\u611f\u5668\u8c03\u8bd5<\/strong><\/strong><\/p>\n\n\n\n

\uff081\uff09\u7528USB\u8f6c485\u7ebf\u8fde\u63a5\u7535\u8111<\/p>\n\n\n\n

\uff082\uff09\u6253\u5f00\u7535\u8111\u4e0a\u7684modbus poll\u8f6f\u4ef6\uff0c\u7136\u540e\u6309\u7167\u56fe1\u8fdb\u884c\u8f6f\u4ef6\u57fa\u7840\u53c2\u6570\u914d\u7f6e\uff0c\u914d\u7f6e\u5b8c\u6210\u540e\u9009\u62e9OK\u5373\u53ef\u3002<\/p>\n\n\n\n

<\/figure>\n\n\n\n

\uff083\uff09\u914d\u7f6e\u83b7\u53d6\u4f20\u611f\u5668\u7684\u73af\u5883\u53c2\u6570\uff0c\u6309\u7167\u56fe2\u8bbe\u7f6e\uff0c\u5176\u4e2d\u4f20\u611f\u5668\u5730\u5740\u6309\u7167\u5bf9\u5e94\u4f20\u611f\u5668\u80cc\u9762\u94ed\u724c\u4e0a\u7684\u5730\u5740\uff1b\u5bc4\u5b58\u5668\u4e2a\u6570\u53ef\u6309\u7167\u9700\u6c42\u8bbe\u7f6e\uff1b\u8bbe\u7f6e\u597d\u4ee5\u540e\u70b9\u51fbOK\u5373\u53ef\u4e0e\u4f20\u611f\u5668\u6b63\u5e38\u901a\u8baf\u3002<\/p>\n\n\n\n

<\/figure>\n\n\n\n

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3.6\u901a\u8baf\u534f\u8bae<\/strong><\/strong><\/p>\n\n\n\n

\u8f93\u51fa\u65b9\u5f0f\uff1aRS485<\/p>\n\n\n\n

\u901a\u8baf\u534f\u8bae\uff1aMODBUS RTU<\/p>\n\n\n\n

\u6ce2\u7279\u7387\uff1a9600<\/p>\n\n\n\n

\u6570\u636e\u4f4d\uff1a8\u4f4d<\/p>\n\n\n\n

\u6821\u9a8c\u4f4d\uff1aNONE<\/p>\n\n\n\n

\u505c\u6b62\u4f4d\uff1a1\u4f4d<\/p>\n\n\n\n

\u534f\u8bae\u89c4\u7ea6\uff1a<\/strong><\/strong><\/p>\n\n\n\n

 <\/td>\u5730\u5740\u7801<\/td>Function Code<\/td>\u6570\u636e<\/td>\u603b\u548c\u6821\u9a8c<\/td><\/tr>
\u6570\u503c<\/td>1~255<\/td>03\u621604<\/td>\u6570\u636e<\/td>\u6821\u9a8c\u5730\u4f4d<\/td>\u6821\u9a8c\u9ad8\u4f4d<\/td><\/tr>
\u5b57\u8282<\/td>1<\/td>1<\/td>n<\/td>1<\/td>1<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u901a\u4fe1\u534f\u8bae\u53c2\u7167MODBUS-RTU\u534f\u8bae\u6807\u51c6\uff0c\u5404\u9879\u53c2\u6570\u5bc4\u5b58\u5668\u4f4d\u7f6e\u53ca\u91c7\u6837\u503c\u4fdd\u7559\u5c0f\u6570\u5982\u4e0b\u3002<\/strong><\/strong><\/p>\n\n\n\n

\u5bc4\u5b58\u5668\u5730\u5740<\/strong><\/strong><\/td>0000<\/strong>H<\/strong><\/strong><\/td>0001<\/strong>H<\/strong><\/strong><\/td><\/tr>
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\u5355\u4f4d<\/strong><\/strong><\/td>\u2103<\/strong><\/strong><\/td>%<\/strong>RH<\/strong><\/strong><\/td><\/tr>
\u91cf\u7a0b<\/strong><\/strong><\/td>-40~80<\/strong><\/strong><\/td>0~<\/strong>100<\/strong><\/strong><\/td><\/tr>
\u91c7\u6837\u503c<\/strong><\/strong><\/td>\/10<\/strong><\/strong><\/td>\/10<\/strong><\/strong><\/td><\/tr>
\u64cd\u4f5c<\/strong><\/strong><\/td>\u53ea\u8bfb<\/strong><\/strong><\/td>\u53ea\u8bfb<\/strong><\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u534f\u8bae\u89e3\u6790\uff1a<\/strong><\/strong><\/p>\n\n\n\n

\u2460<\/strong>\u95ee\u8be2\u6307\u4ee4\uff1a01 03 00 00 00 02 C4 0B<\/strong><\/strong><\/p>\n\n\n\n

01\u4f20\u611f\u5668\u5730\u5740\uff1b<\/strong><\/strong><\/p>\n\n\n\n

03\u529f\u80fd\u7801\uff1b<\/strong><\/strong><\/p>\n\n\n\n

00 00\u8bfb\u53d6\u5bc4\u5b58\u5668\u8d77\u59cb\u4f4d\u7f6e\uff1b<\/strong><\/strong><\/p>\n\n\n\n

00 0<\/strong>2<\/strong>\u8bfb\u53d6\u5bc4\u5b58\u5668\u4e2a\u6570\uff1b<\/strong><\/strong><\/p>\n\n\n\n

C4 0B\u6821\u9a8c<\/strong><\/p>\n\n\n\n

\u2461<\/strong>\u8fd4\u56de\u6307\u4ee4\uff1a01 03 04 01 07 01 D7 0B C0<\/strong><\/strong><\/p>\n\n\n\n

01<\/strong>\u4f20\u611f\u5668\u5730\u5740\uff1b<\/strong><\/strong><\/p>\n\n\n\n

03\u529f\u80fd\u7801\uff1b<\/strong><\/strong><\/p>\n\n\n\n

04<\/strong>\u6570\u636e\u957f\u5ea6\uff1b<\/strong><\/strong><\/p>\n\n\n\n

01 07 \u7a7a\u6c14\u6e29\u5ea6  01 07\uff08\u5341\u516d\u8fdb\u5236\uff09\u537326.3\u2103<\/strong><\/strong><\/p>\n\n\n\n

01 D7 \u7a7a\u6c14\u6e7f\u5ea6  01 D7 (\u5341\u516d\u8fdb\u5236) \u537347.1%RH<\/strong><\/strong><\/p>\n\n\n\n

0B C0\u6821\u9a8c<\/strong><\/strong><\/p>\n\n\n\n

4\u3001\u6ce8\u610f\u4e8b\u9879<\/strong><\/strong><\/p>\n\n\n\n

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\u203b \u4f20\u611f\u5668485\u63a5\u7ebf\u4e0d\u8981\u5e26\u7535\u63d2\u62d4\uff0c\u5426\u5219\u53ef\u80fd\u635f\u4f24485\u901a\u8baf\u82af\u7247\u3002<\/strong><\/p>\n\n\n\n

\u203b <\/strong>\u8bf7\u5c3d\u91cf\u9009\u7528\u4fe1\u53f7\u4e13\u7528\u7535\u7f06\u63d0\u9ad8\u4f20\u8f93\u8ddd\u79bb\u3002<\/p>\n\n\n\n

\u203b <\/strong>\u4f20\u611f\u5668RS485\u7ad9\u5730\u5740\u8bbe\u5b9a\u4e0d\u5f97\u4e0e\u5176\u5b83\u4ece\u7ad9\u5730\u5740\u91cd\u590d\u3002<\/p>\n\n\n\n

\u203b <\/strong>\u4ea7\u54c1\u51fa\u5382\u65f6\u901a\u4fe1\u534f\u8bae\u6211\u53f8\u53c2\u7167MODBUS-RTU\u534f\u8bae\u6807\u51c6\uff0c\u6211\u516c\u53f8\u53ef\u63d0\u4f9b\u5177\u4f53\u901a\u4fe1\u534f\u8bae\u683c\u5f0f\uff0c\u65b9\u4fbf\u7528\u6237\u638c\u63e1\uff08\u8be6\u89c1MODBUS-RTU\u534f\u8bae\u624b\u518c\uff09\u3002<\/p>\n\n\n\n

\u203b <\/strong>\u4f20\u611f\u5668RS485\u901a\u4fe1\uff0c\u6ce8\u610f\u4ece\u7ad9\u6700\u591a\u4e0d\u8d85\u8fc731\u4e2a\uff0c\u5426\u5219\u9700\u53e6\u52a0RS485\u603b\u7ebf\u6865\uff08\u4e2d\u7ee7\uff09\uff0c\u4e14\u4e0e\u4e3b\u7ad9MODBUS-RTU\u534f\u8bae\uff0c\u6ce2\u7279\u7387\u7b49\u6570\u636e\u683c\u5f0f\u5fc5\u9700\u4e00\u81f4\u3002<\/p>\n\n\n\n

\u203b <\/strong>\u5927\u6279\u91cf\u5ba2\u6237\uff0c\u6211\u516c\u53f8\u53ef\u6309\u7167\u7528\u6237\u901a\u4fe1\u534f\u8bae\u7f16\u5236\u7a0b\u5e8f\u3002<\/p>\n\n\n\n

\u203b \u4ea7\u54c1\u51fa\u5382\u65f6\u9ed8\u8ba4\u6570\u636e\u683c\u5f0f1\u30018\u30011\u30019600\u3001N\uff081\u4f4d\u8d77\u59cb\u4f4d\u30018\u4f4d\u6570\u636e\u4f4d\u30011\u4f4d\u505c\u6b62\u4f4d\u3001\u65e0\u6821\u9a8c\u30019600bps\u6ce2\u7279\u7387\uff09\u3002\u7528\u6237\u5982\u9700\u4fee\u6ce2\u7279\u7387\u6216\u6570\u636e\u683c\u5f0f\uff0c\u8bf7\u8ba2\u8d27\u65f6\u63d0\u524d\u901a\u77e5\u3002<\/strong><\/p>\n\n\n\n

5\u3001\u5e38\u89c1\u95ee\u9898\u53ca\u89e3\u51b3\u529e\u6cd5<\/strong><\/strong><\/p>\n\n\n\n

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1\u3001\u7535\u8111\u6709\u591a\u4e2aCOM\u53e3\uff0c\u9009\u62e9\u7684\u4e32\u53e3\u4e0d\u6b63\u786e\u3002<\/p>\n\n\n\n

2\u3001\u8bbe\u5907\u5730\u5740\u9519\u8bef\uff0c\u6216\u8005\u5b58\u5728\u5730\u5740\u91cd\u590d\u7684\u8bbe\u5907\uff0c\u68c0\u67e5\u4f20\u611f\u5668\u5730\u5740\u662f\u5426\u8bbe\u7f6e\u6b63\u786e\uff0c\u5fc5\u8981\u65f6\u4f7f\u7528\u4e07\u7528\u8868\u6d4b\u91cf\u62e8\u7801\u5f00\u5173\u72b6\u6001\u3002<\/p>\n\n\n\n

3\u3001\u6ce2\u7279\u7387\uff0c\u6821\u9a8c\u65b9\u5f0f\uff0c\u6570\u636e\u4f4d\uff0c\u505c\u6b62\u4f4d\u9519\u8bef\u3002<\/p>\n\n\n\n

4\u3001\u4e3b\u673a\u8f6e\u8be2\u95f4\u9694\u548c\u7b49\u5f85\u5e94\u7b54\u65f6\u95f4\u592a\u77ed\uff0c\u5efa\u8bae\u8bbe\u7f6e\u57281000ms\u4ee5\u4e0a\u3002<\/p>\n\n\n\n

5\u3001485\u603b\u7ebf\u6709\u65ad\u5f00\uff0c\u6216\u8005A\u3001B\u7ebf\u63a5\u53cd\u3002<\/p>\n\n\n\n

6\u3001\u8bbe\u5907\u6570\u91cf\u8fc7\u591a\u6216\u5e03\u7ebf\u592a\u957f\uff0c\u5e94\u5c31\u8fd1\u4f9b\u7535\uff0c\u52a0485\u589e\u5f3a\u5668\uff0c\u540c\u65f6\u589e\u52a0120\u6b27\u7ec8\u7aef\u7535\u963b\u3002<\/p>\n\n\n\n

7\u3001RS485\u603b\u7ebf\u901a\u4fe1\u7535\u7f06\u5c4f\u853d\u5c42\u5355\u7aef\u63a5\u5730\uff0c\u5efa\u8bae\u5728\u4e3b\u7ad9\u4fa7\u63a5\u5730\u3002<\/p>\n\n\n\n

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