{"id":25925,"date":"2023-11-25T11:57:55","date_gmt":"2023-11-25T03:57:55","guid":{"rendered":"https:\/\/www.modbus.cn\/?p=25925"},"modified":"2026-06-30T23:45:40","modified_gmt":"2026-06-30T15:45:40","slug":"xi-ding-shi-yan-gan-tan-ce-qi-modbus-rtu-xie-yi","status":"publish","type":"post","link":"https:\/\/www.modbus.cn\/en\/25925.html","title":{"rendered":"\u5438\u9876\u5f0f\u70df\u611f\u63a2\u6d4b\u5668MODBUS-RTU\u534f\u8bae"},"content":{"rendered":"

JT-S1603B \u91c7\u7528\u5de5\u4e1a\u901a\u7528\u6807\u51c6 RS485 \u603b\u7ebf MODBUS-RTU \u534f\u8bae\u63a5\u53e3\uff0c\u65b9\u4fbf\u63a5 \u5165 PLC\uff0cDCS \u7b49\u5404\u79cd\u4eea\u8868\u6216\u7cfb\u7edf\uff0c\u7528\u4e8e\u76d1\u6d4b\u70df\u96fe\u72b6\u6001\u91cf\u3002\u5185\u90e8\u4f7f\u7528\u4e86\u8f83\u9ad8\u7cbe\u5ea6 \u7684\u4f20\u611f\u5185\u6838\u53ca\u76f8\u5173\u5668\u4ef6\uff0c\u786e\u4fdd\u4ea7\u54c1\u5177\u6709\u8f83\u9ad8\u7684\u53ef\u9760\u6027\u4e0e\u5353\u8d8a\u7684\u957f\u671f\u7a33\u5b9a\u6027, \u53ef \u5b9a\u5236 RS232\u3001CAN\u3001Lora\u3001WIFI\u3001GPRS\u3001NB-IOT \u7b49\u591a\u79cd\u8f93\u51fa\u65b9\u5f0f\u3002<\/p>\n\n\n\n

\u4ea7\u54c1\u4f18\u52bf\u7279\u70b9<\/p>\n\n\n\n

1\u3001\u4f20\u611f\u5668\u4f9b\u7535\u589e\u52a0\u9632\u53cd\u63a5\u4fdd\u62a4\uff0c\u5de5\u4e1a\u73b0\u573a\u9632\u6d6a\u6d8c\u4fdd\u62a4\u3002<\/p>\n\n\n\n

2\u3001\u4ea7\u54c1\u5e26\u6709\u5927\u5206\u8d1d\u8702\u9e23\u5668\u62a5\u8b66\u548c LED \u53d1\u5149\u4e8c\u6781\u7ba1\u706f\u63d0\u793a<\/p>\n\n\n\n

3\u3001RS485 \u901a\u8baf\u63a5\u53e3\uff0c\u5f02\u6b65\u534a\u53cc\u5de5\u6a21\u5f0f\uff0c\u652f\u6301\u4e8c\u6b21\u5f00\u53d1\u3002<\/p>\n\n\n\n

4\u3001 \u901a\u8baf\u6ce2\u7279\u7387 2400\u30014800\u30019600\u300119200\u300138400\u3001115200bp s \u53ef\u8bbe\u7f6e\uff0c<\/p>\n\n\n\n

\u51fa\u5382\u9ed8\u8ba4\u503c\u4e3a 9600 bp s\u3002<\/p>\n\n\n\n

5\u3001\u5177\u6709\u6d4b\u91cf\u8303\u56f4\u5bbd\u3001\u7cbe\u5ea6\u9ad8\u3001\u7ebf\u6027\u5ea6\u597d\u3001\u901a\u7528\u6027\u597d\u3002<\/p>\n\n\n\n

6\u3001RS485(MODBUT-RTU \u534f\u8bae)\u591a\u4f20\u611f\u5668\u7ec4\u7f51\u901a\u8baf\uff0c1200 \u7c73\u8fdc\u8ddd\u4f20\u8f93\u3002 7\u3001\u5438\u9876\u5f0f\u5706\u5f62\u5916\u58f3\u4f7f\u7528\u65b9\u4fbf\u3001\u4fbf\u4e8e\u5b89\u88c5\u3002<\/p>\n\n\n\n

8\u3001\u5916\u58f3\u91c7\u7528 ABS \u963b\u71c3\u6750\u8d28\uff0c\u8010\u9ad8\u6e29\uff0c\u4e0d\u6613\u88ab\u8150\u8680\uff0c\u4e0d\u6613\u53d8\u5f62\u3002<\/p>\n\n\n\n

\u6280\u672f\u53c2\u6570<\/p>\n\n\n\n

\u70df\u96fe\u6d4b\u91cf\u8303\u56f4<\/td>0\uff5e2000PPM<\/td><\/tr>
\u70df\u96fe\u6700\u5927\u5141\u8bb8\u8bef\u5dee<\/td>\u00b17%<\/td><\/tr>
\u70df\u96fe\u91cd\u590d\u6027\u6d4b\u8bd5\u8bef\u5dee<\/td>\u00b15%<\/td><\/tr>
\u70df\u96fe\u654f\u611f\u4f53<\/td>\u70ed\u54cd\u5e94\u5f0f\u534a\u5bfc\u4f53<\/td><\/tr>
\u901a\u8baf\u63a5\u53e3<\/td>RS485\uff08MODBUT-RTU\uff09<\/td><\/tr>
\u9ed8\u8ba4\u6ce2\u7279\u7387<\/td>9600(\u9ed8\u8ba4)8,n,1<\/td><\/tr>
\u4f9b\u7535\u7535\u6e90<\/td>DC12\uff5e24V<\/td><\/tr>
\u663e\u793a\u5206\u8fa8\u7387<\/td>1PPM<\/td><\/tr>
\u529f\u8017<\/td>\u22640.1W<\/td><\/tr>
\u8fd0\u884c\u73af\u5883<\/td>-30\uff5e80\u2103,0\uff5e100RH%(\u65e0\u9632\u51dd\u9732)<\/td><\/tr>
\u5916\u5f62\u5c3a\u5bf8<\/td> <\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u4ea7\u54c1\u9009\u578b<\/p>\n\n\n\n

\u4ea7\u54c1\u8bbe\u8ba1\u4e86 RS485\u30014\uff5e20MA\u3001DC0\uff5e5V \u591a\u79cd\u8f93\u51fa\u65b9\u5f0f\uff0c\u6839\u636e\u8f93\u51fa\u65b9\u5f0f\u7684\u4e0d<\/p>\n\n\n\n

\u540c\uff0c\u4ea7\u54c1\u5206\u4e3a\u4ee5\u4e0b\u51e0\u79cd\u578b\u53f7\u3002<\/p>\n\n\n\n

\u4ea7\u54c1\u578b\u53f7<\/td>\u53c2\u6570\u7ec4\u5408<\/td>\u8f93\u51fa\u65b9\u5f0f<\/td><\/tr>
JT-S1603B<\/td>RS485 \u70df\u96fe<\/td>RS485\uff08MODBUT-RTU\uff09\u603b\u7ebf<\/td><\/tr>
JT-S1603M<\/td>\u7535\u6d41\u578b\u70df\u96fe<\/td>4\uff5e20MA<\/td><\/tr>
JT-S1603V-5<\/td>\u7535\u538b\u578b\u70df\u96fe<\/td>DC0\uff5e5V<\/td><\/tr>
JT-S1603V-10<\/td>RS485 \u70df\u96fe\u3001\u6e29\u5ea6\u3001\u6e7f\u5ea6<\/td>RS485\uff08MODBUT-RTU\uff09\u603b\u7ebf<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u4ea7\u54c1\u63a5\u7ebf<\/p>\n\n\n\n

\u4f20\u611f\u5668\u5f15\u7ebf\u989c\u8272<\/td>\u5b9a\u4e49<\/td>\u5907\u6ce8<\/td><\/tr>
\u7ea2\u8272\u7ebf<\/td>\u7535\u6e90\u6b63\u6781 DC5\uff5e24V<\/td>\u76f4\u6d41\u4f9b\u7535<\/td><\/tr>
\u7eff\u8272\u7ebf<\/td>\u7535\u6e90\u8d1f\u6781<\/td> <\/td><\/tr>
\u9ec4\u8272\u7ebf<\/td>RS485 A+<\/td> <\/td><\/tr>
\u84dd\u8272\u7ebf<\/td>RS485 B-<\/td> <\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

RS485 \u578b\uff1a\u901a\u8baf\u534f\u8bae<\/p>\n\n\n\n

\u4ea7\u54c1\u4f7f\u7528 RS485 MODBUS-RTU \u6807\u51c6\u534f\u8bae\u683c\u5f0f,\u6240\u6709\u64cd\u4f5c\u6216\u56de\u590d\u547d\u4ee4\u90fd\u4e3a 16 \u8fdb\u5236\u6570\u636e\u3002\u8bbe\u5907\u51fa\u5382\u65f6\u9ed8\u8ba4\u8bbe\u5907\u5730\u5740\u4e3a 1\uff0c\u9ed8\u8ba4\u6ce2\u7279\u7387\u4e3a 9600,8,n,1\u3002<\/p>\n\n\n\n

1. \u8bfb\u53d6\u6570\u636e ( \u529f\u80fd\u7801 0x03)<\/p>\n\n\n\n

\u95ee\u8be2\u5e27\uff08\u5341\u516d\u8fdb\u5236\uff09\uff0c\u53d1\u9001\u4e3e\u4f8b\uff1a\u67e5\u8be2 1#\u8bbe\u5907 1 \u4e2a\u6570\u636e,\u4e0a\u4f4d\u673a\u53d1\u9001\u547d\u4ee4\uff1a 01 03 00 00 00 01 84 0A \u3002<\/p>\n\n\n\n

\u5730\u5740<\/td>Function Code<\/td>\u8d77\u59cb\u5730\u5740<\/td>\u6570\u636e\u957f\u5ea6<\/td>\u6821\u9a8c\u7801<\/td><\/tr>
01<\/td>03<\/td>00 00<\/td>00 01<\/td>84 0A<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u5bf9\u4e8e\u6b63\u786e\u7684\u95ee\u8be2\u5e27\uff0c\u8bbe\u5907\u4f1a\u54cd\u5e94\u6570\u636e\uff1a01 03 02 01 F4 B8 53 , \u54cd\u5e94\u683c\u5f0f\uff1a<\/p>\n\n\n\n

\u8bbe\u5907\u5730\u5740<\/td>Function Code<\/td>\u6570\u636e\u957f\u5ea6<\/td>\u6570\u636e 1\uff08\u70df\u96fe\uff09<\/td>\u6821\u9a8c\u7801<\/td><\/tr>
01<\/td>03<\/td>06<\/td>01 F4<\/td>B8 53<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u6570\u636e\u8bf4\u660e:\u547d\u4ee4\u4e2d\u6570\u636e\u4e3a\u5341\u516d\u8fdb\u5236\uff0c\u4ee5\u6570\u636e 1 \u70df\u96fe\uff0c01 F4 \u8f6c\u4e3a\u5341\u8fdb\u5236\u6570 \u503c\u4e3a 500,\u6570\u636e\u500d\u7387\u4e3a 1\uff0c\u5219\u771f\u5b9e\u503c\u4e3a 500\/1=500\uff0c\u70df\u96fe\u6d53\u5ea6\u503c\u4e3a 500PPM\u3002<\/p>\n\n\n\n

2. \u6570\u636e\u5730\u5740\u8868<\/p>\n\n\n\n

\u7ec4\u6001\u5730\u5740<\/td>\u5bc4\u5b58\u5668\u5730\u5740<\/td>\u5bc4\u5b58\u5668\u8bf4\u660e<\/td>\u6570\u636e\u7c7b\u578b<\/td>\u503c\u8303\u56f4<\/td><\/tr>
40001<\/td>00 00<\/td>\u70df\u96fe\u5bc4\u5b58\u5668<\/td>\u53ea\u8bfb<\/td>0\uff5e65535<\/td><\/tr>
40004<\/td>00 03<\/td>\u70df\u96fe\u62a5\u8b66\u72b6\u6001\u91cf\u8f93\u51fa<\/td>\u53ea\u8bfb<\/td>0\uff5e1<\/td><\/tr>
40101<\/td>00 64<\/td>\u578b\u53f7\u7f16\u7801<\/td>\u8bfb\/\u5199<\/td>0\uff5e65535<\/td><\/tr>
40102<\/td>00 65<\/td>\u6d4b\u70b9\u603b\u6570<\/td>\u8bfb\/\u5199<\/td>1\uff5e20<\/td><\/tr>
40103<\/td>00 66<\/td>\u8bbe\u5907\u5730\u5740<\/td>\u8bfb\/\u5199<\/td>1\uff5e249<\/td><\/tr>
40104<\/td>00 67<\/td>\u6ce2\u7279\u7387<\/td>\u8bfb\/\u5199<\/td>1\uff5e6<\/td><\/tr>
40105<\/td>00 68<\/td>\u901a\u8baf\u6a21\u5f0f<\/td>\u8bfb\/\u5199<\/td>1\uff5e4<\/td><\/tr>
40106<\/td>00 69<\/td>\u534f\u8bae\u7c7b\u578b<\/td>\u8bfb\/\u5199<\/td>1\uff5e10<\/td><\/tr>
40107<\/td>00 6A<\/td>\u4e0a\u4f20\u65f6\u95f4\u8bbe\u7f6e<\/td>\u8bfb\/\u5199<\/td>1\uff5e3600<\/td><\/tr>
40108<\/td>00 6B<\/td>\u70df\u96fe\u6821\u6b63\u503c<\/td>\u8bfb\/\u5199<\/td>-1000\uff5e1000<\/td><\/tr>
40112<\/td>00 6F<\/td>\u62a5\u8b66\u5668\u52a8\u4f5c\u9608\u503c<\/td>\u8bfb\/\u5199<\/td>1\uff5e5000<\/td><\/tr>
40122<\/td>00 79<\/td>\u8702\u9e23\u5668\u505c\u6b62\u62a5\u8b66\u590d\u4f4d\u65f6 \u95f4<\/td>\u8bfb\/\u5199<\/td>1\uff5e65535<\/td><\/tr>
40123<\/td>00 7A<\/td>\u8702\u9e23\u5668\u62a5\u8b66\u505c\u6b62<\/td>\u8bfb\/\u5199<\/td>1<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

3 .\u62a5\u8b66\u8702\u9e23\u5668\u5173\u95ed<\/p>\n\n\n\n

\uff081\uff09\u8702\u9e23\u5668\u62a5\u8b66\u58f0\u97f3\u5173\u95ed\u547d\u4ee4\u53d1\u9001<\/p>\n\n\n\n

\u4e0a\u4f4d\u673a\u53d1\u9001\u6570\u636e\u683c\u5f0f\u547d\u4ee4 01 06 00 7A 00 01 69 D3<\/p>\n\n\n\n

\u8bbe\u5907\u5730\u5740<\/td>Function Code<\/td>\u8d77\u59cb\u5730\u5740<\/td>\u6570\u636e\u957f\u5ea6<\/td>\u6821\u9a8c\u7801<\/td><\/tr>
01<\/td>06<\/td>00 7A<\/td>00 01<\/td>69 D3<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

(2)   \u8702\u9e23\u5668\u505c\u6b62\u62a5\u8b66\u590d\u4f4d\u65f6\u95f4\u547d\u4ee4<\/p>\n\n\n\n

\u5ba2\u6237\u53ef\u4ee5\u8bbe\u7f6e\u62a5\u8b66\u65f6\u53d1\u9001\u62a5\u8b66\u8702\u9e23\u5668\u5173\u95ed\u547d\u4ee4\u540e\uff0c\u62a5\u8b66\u5668\u4e0d\u53d1\u58f0\u65f6\u95f4\u957f\u5ea6 \u53ef\u8bbe\u7f6e 1\uff5e65535 \u79d2\uff0c\u65f6\u95f4\u5230\u540e\u70df\u96fe\u6d53\u5ea6\u5927\u4e8e\u62a5\u8b66\u5668\u52a8\u4f5c\u9608\u503c\u8702\u9e23\u5668\u7ee7\u7eed\u53d1\u58f0 \u62a5\u8b66\uff0c\u70df\u96fe\u6d53\u5ea6\u5c0f\u4e8e\u62a5\u8b66\u5668\u52a8\u4f5c\u9608\u503c\u8702\u9e23\u5668\u6ca1\u6709\u62a5\u8b66\u58f0\u97f3\u3002\u5217\u5982\u8bbe\u7f6e\u65f6\u95f4 100 \u79d2\u53d1\u9001\u547d\u4ee4 01 06 00 79 00 64 59 F8<\/p>\n\n\n\n

\u8bbe\u5907\u5730\u5740<\/td>Function Code<\/td>\u8d77\u59cb\u5730\u5740<\/td>\u6570\u636e\u957f\u5ea6<\/td>\u6821\u9a8c\u7801<\/td><\/tr>
01<\/td>06<\/td>00 79<\/td>00 64<\/td>59 F8<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

4 \u8bfb\u53d6\u4e0e\u4fee\u6539\u8bbe\u5907\u5730\u5740<\/p>\n\n\n\n

\uff081\uff09\u8bfb\u53d6\u6216\u67e5\u8be2\u8bbe\u5907\u5730\u5740<\/p>\n\n\n\n

\u82e5\u4e0d\u77e5\u9053\u5f53\u524d\u8bbe\u5907\u5730\u5740\u3001\u4e14\u603b\u7ebf\u4e0a\u53ea\u6709\u4e00\u4e2a\u8bbe\u5907\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u547d\u4ee4 FA 03 00 64 00 02 90 5F \u67e5\u8be2\u8bbe\u5907\u5730\u5740\u3002<\/p>\n\n\n\n

\u8bbe\u5907\u5730\u5740<\/td>Function Code<\/td>\u8d77\u59cb\u5730\u5740<\/td>\u6570\u636e\u957f\u5ea6<\/td>\u6821\u9a8c\u7801<\/td><\/tr>
FA<\/td>03<\/td>00 64<\/td>00 02<\/td>90 5F<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

FA \u5373 250 \u4e3a\u901a\u7528\u5730\u5740\uff0c\u5f53\u4e0d\u77e5\u9053\u5730\u5740\u65f6\u53ef\u4ee5\u7528 250 \u8fd9\u4e2a\u5730\u5740\u6765\u53d6\u5f97\u771f\u5b9e \u8bbe\u5907\u5730\u5740,00 64 \u4e3a\u8bbe\u5907\u578b\u53f7\u7684\u5bc4\u5b58\u5668\u3002<\/p>\n\n\n\n

\u5bf9\u4e8e\u6b63\u786e\u7684\u67e5\u8be2\u547d\u4ee4\uff0c\u8bbe\u5907\u4f1a\u54cd\u5e94\uff0c\u6bd4\u5982\u54cd\u5e94\u6570\u636e\u4e3a\uff1a01 03 04 1E 8C 00 02 BC 31\uff0c\u5176\u683c\u5f0f\u89e3\u6790\u5982\u4e0b\u8868\u6240\u793a\uff1a<\/p>\n\n\n\n

\u8bbe\u5907\u5730\u5740<\/td>Function Code<\/td>\u6570\u636e\u957f\u5ea6<\/td>\u578b\u53f7\u7f16\u7801<\/td>\u6821\u9a8c\u7801<\/td><\/tr>
01<\/td>03<\/td>04<\/td>00 01 00 01<\/td>BC 31<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u54cd\u5e94\u5e94\u6570\u636e\u4e2d\uff0c\u7b2c\u4e00\u4e2a\u5b57\u8282 01 \u8868\u793a\u5f53\u524d\u8bbe\u5907\u7684\u771f\u5b9e\u5730\u5740\u4e3a\uff0c55 3C \u8f6c\u6362 \u4e3a 10 \u8fdb\u5236\u4e3a 1 \u5373\u8868\u793a\u5f53\u524d\u8bbe\u5907\u4e3b\u578b\u53f7\u4e3a 1,\u540e\u9762\u4e24\u5b57\u8282 00 01 \u8868\u793a\u8be5\u8bbe\u5907  \u578b\u53f7\u524d\u7f00 YSAT\u3002<\/p>\n\n\n\n

\uff082\uff09\u66f4\u6539\u8bbe\u5907\u5730\u5740<\/p>\n\n\n\n

\u6bd4\u5982\u5f53\u524d\u8bbe\u5907\u5730\u5740\u4e3a 1\uff0c\u6211\u4eec\u5e0c\u671b\u66f4\u6539\u4e3a 02\uff0c\u5219\u547d\u4ee4\u4e3a\uff1a01 06 00 66 00 02 E8 14 \u3002<\/p>\n\n\n\n

\u8bbe\u5907\u5730\u5740<\/td>Function Code<\/td>\u5bc4\u5b58\u5668\u5730\u5740<\/td>\u76ee\u6807\u5730\u5740<\/td>\u6821\u9a8c\u7801<\/td><\/tr>
01<\/td>06<\/td>00 66<\/td>00 02<\/td>E8 14<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u66f4\u6539\u6210\u529f\u540e\uff0c\u8bbe\u5907\u4f1a\u8fd4\u56de\u4fe1\u606f\uff1a02 06 00 66 00 02 E8 27\uff0c\u5176\u683c\u5f0f\u89e3\u6790\u5982\u4e0b\u8868 \u6240\u793a:<\/p>\n\n\n\n

\u8bbe\u5907\u5730\u5740<\/td>Function Code<\/td>\u5bc4\u5b58\u5668\u5730\u5740<\/td>\u76ee\u6807\u5730\u5740<\/td>\u6821\u9a8c\u7801<\/td><\/tr>
02<\/td>06<\/td>00 66<\/td>00 02<\/td>E8 27<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u54cd\u5e94\u6570\u636e\u4e2d\uff0c\u4fee\u6539\u6210\u529f\u540e\uff0c\u7b2c 1 \u4e2a\u5b57\u8282\u4e3a\u65b0\u7684\u8bbe\u5907\u5730\u5740\uff0c\u4e00\u822c\u8bbe\u5907\u5730\u5740 \u66f4\u6539\u540e\uff0c\u7acb\u5373\u751f\u6548\uff0c\u6b64\u65f6\u7528\u6237\u9700\u8981\u540c\u65f6\u5c06\u81ea\u5df1\u8f6f\u4ef6\u7684\u67e5\u8be2\u547d\u4ee4\u505a\u76f8\u5e94\u66f4\u6539\u3002<\/p>\n\n\n\n

5 \u8bfb\u53d6\u4e0e\u4fee\u6539\u6ce2\u7279\u7387<\/p>\n\n\n\n

\uff081\uff09\u8bfb\u53d6\u6ce2\u7279\u7387<\/p>\n\n\n\n

\u8bbe\u5907\u9ed8\u8ba4\u51fa\u5382\u6ce2\u7279\u7387\u4e3a 9600\uff0c\u82e5\u9700\u8981\u66f4\u6539\uff0c\u53ef\u6839\u636e\u4e0b\u8868\u53ca\u76f8\u5e94\u901a\u8baf\u534f\u8bae\u8fdb \u884c\u66f4\u6539\u64cd\u4f5c\u3002\u6bd4\u5982\u8bfb\u53d6\u5f53\u524d\u8bbe\u5907\u7684\u6ce2\u7279\u7387 ID\uff0c\u547d\u4ee4\u4e3a\uff1a01 03 00 67 00 01 35 D5 \uff0c\u5176\u683c\u5f0f\u89e3\u6790\u5982\u4e0b\u3002<\/p>\n\n\n\n

\u8bbe\u5907\u5730\u5740<\/td>Function Code<\/td>\u8d77\u59cb\u5730\u5740<\/td>\u6570\u636e\u957f\u5ea6<\/td>\u6821\u9a8c\u7801<\/td><\/tr>
01<\/td>03<\/td>00 67<\/td>00 01<\/td>35 D5<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u8bfb\u53d6\u5f53\u524d\u8bbe\u5907\u7684\u6ce2\u7279\u7387\u7f16\u7801\u3002\u6ce2\u7279\u7387\u7f16\u7801\uff1a1 \u4e3a 2400; 2 \u4e3a 4800;3 \u4e3a 9600;4 \u4e3a 19200;5 \u4e3a 38400;6 \u4e3a 115200\u3002<\/p>\n\n\n\n

\u5bf9\u4e8e\u6b63\u786e\u7684\u67e5\u8be2\u547d\u4ee4\uff0c\u8bbe\u5907\u4f1a\u54cd\u5e94\uff0c\u6bd4\u5982\u54cd\u5e94\u6570\u636e\u4e3a\uff1a01 03 02 00 03 F8 45,\u5176\u683c\u5f0f\u89e3\u6790\u5982\u4e0b\u8868\u6240\u793a\uff1a<\/p>\n\n\n\n

\u8bbe\u5907\u5730\u5740<\/td>Function Code<\/td>\u6570\u636e\u957f\u5ea6<\/td>\u6ce2\u7279\u7387\u7f16\u7801<\/td>\u6821\u9a8c\u7801<\/td><\/tr>
01<\/td>03<\/td>02<\/td>00 03<\/td>F8 45<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u6839\u636e\u6ce2\u7279\u7387\u7f16\u7801\uff0c03 \u4e3a 9600\uff0c\u5373\u5f53\u524d\u8bbe\u5907\u7684\u6ce2\u7279\u7387\u4e3a 9600\u3002<\/p>\n\n\n\n

\uff082\uff09\u66f4\u6539\u6ce2\u7279\u7387<\/p>\n\n\n\n

\u6bd4\u5982\u5c06\u6ce2\u7279\u7387\u4ece 9600 \u66f4\u6539\u4e3a 2400\uff0c\u5373\u5c06\u4ee3\u7801\u4ece 3 \u66f4\u6539\u4e3a 1\uff0c\u5219\u547d\u4ee4\u4e3a\uff1a 01 03 00 67 00 01 35 D5\u3002<\/p>\n\n\n\n

\u8bbe\u5907\u5730\u5740<\/td>Function Code<\/td>\u5bc4\u5b58\u5668\u5730\u5740<\/td>\u76ee\u6807\u6ce2\u7279\u7387<\/td>\u6821\u9a8c\u7801<\/td><\/tr>
01<\/td>06<\/td>00 66<\/td>00 01<\/td>35 D5<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u5c06\u6ce2\u7279\u7387\u4ece 9600 \u66f4\u6539\u4e3a 2400\uff0c\u5373\u5c06\u4ee3\u7801\u4ece 3 \u66f4\u6539\u4e3a 1\u3002\u65b0\u7684\u6ce2\u7279\u7387\u4f1a \u5373\u65f6\u751f\u6548\uff0c\u6b64\u65f6\u8bbe\u5907\u4f1a\u5931\u53bb\u54cd\u5e94\uff0c\u67e5\u8be2\u8bbe\u5907\u7684\u6ce2\u7279\u7387\u9700\u505a\u76f8\u5e94\u4fee\u6539\u3002<\/p>\n\n\n\n

6 \u8bfb\u53d6\u6821\u6b63\u503c<\/p>\n\n\n\n

\uff081\uff09\u8bfb\u53d6\u6821\u6b63\u503c<\/p>\n\n\n\n

\u5f53\u6570\u636e\u4e0e\u53c2\u7167\u6807\u51c6\u6709\u8bef\u5dee\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u8c03\u6574\u201c\u6821\u6b63\u503c\u201d\u6765\u51cf\u5c0f\u663e\u793a\u8bef\u5dee\u3002 \u6821\u6b63\u5dee\u503c\u53ef\u4fee\u6539\u8303\u56f4\u4e3a\u6b63\u8d1f 1000\uff0c\u5373\u503c\u8303\u56f4\u4e3a 0-1000 \u6216 64535-65535\u3002 \u6bd4 \u5982\u5f53\u663e\u793a\u503c\u504f\u5c0f 100 \u65f6,\u6211\u4eec\u901a\u8fc7\u589e\u52a0 100 \u6765\u6821\u6b63,\u547d\u4ee4\u4e3a\uff1a01 03 00 6B 00 01<\/p>\n\n\n\n

F5 D6 \u3002\u5728\u547d\u4ee4\u4e2d 100 \u5373\u5341\u516d\u8fdb\u5236 0x64;\u5982\u679c\u9700\u8981\u51cf\u5c0f\uff0c\u5219\u53ef\u4ee5\u8bbe\u7f6e\u8d1f\u503c\uff0c\u6bd4 \u5982-100\uff0c\u5bf9\u5e94\u5341\u516d\u5236\u5236\u503c\u4e3a FF 9C\uff0c\u5176\u8ba1\u7b97\u65b9\u5f0f\u4e3a 100-65535=65435, \u518d\u8f6c\u4e3a \u5341\u516d\u8fdb\u5236\u5219\u4e3a 0x FF 9C\u3002\u8bbe\u5907\u6821\u6b63\u503c\u662f\u4ece 00 6B \u5f00\u59cb\uff0c\u6211\u4eec\u4ee5\u7b2c 1 \u4e2a\u53c2\u6570\u4e3a \u4f8b\u8fdb\u884c\u8bf4\u660e\uff0c\u591a\u4e2a\u53c2\u6570\u65f6\u6821\u6b63\u503c\u8bfb\u53d6\u4e0e\u4fee\u6539\u65b9\u6cd5\u76f8\u540c\u3002<\/p>\n\n\n\n

\u8bbe\u5907\u5730\u5740<\/td>Function Code<\/td>\u8d77\u59cb\u5730\u5740<\/td>\u6570\u636e\u957f\u5ea6<\/td>\u6821\u9a8c\u7801<\/td><\/tr>
01<\/td>03<\/td>00 6B<\/td>00 01<\/td>F5 D6<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u5bf9\u4e8e\u6b63\u786e\u7684\u67e5\u8be2\u547d\u4ee4\uff0c\u8bbe\u5907\u4f1a\u54cd\u5e94\uff0c\u6bd4\u5982\u54cd\u5e94\u6570\u636e\u4e3a\uff1a 01 03 02 00 00 B8<\/p>\n\n\n\n

44 \uff0c\u5176\u683c\u5f0f\u89e3\u6790\u5982\u4e0b\u8868\u6240\u793a\uff1a<\/p>\n\n\n\n

\u8bbe\u5907\u5730\u5740<\/td>Function Code<\/td>\u6570\u636e\u957f\u5ea6<\/td>\u6821\u6b63\u503c<\/td>\u6821\u9a8c\u7801<\/td><\/tr>
01<\/td>03<\/td>02<\/td>00 00<\/td>B8 44<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u54cd\u5e94\u6570\u636e\u4e2d\uff0c\u7b2c\u4e00\u4e2a\u5b57\u8282 01 \u8868\u793a\u5f53\u524d\u8bbe\u5907\u7684\u771f\u5b9e\u5730\u5740\uff0c00 6B \u4e3a\u7b2c\u4e00\u4e2a \u72b6\u6001\u91cf\u6821\u6b63\u503c\u5bc4\u5b58\u5668\u3002\u82e5\u8bbe\u5907\u6709\u591a\u4e2a\u53c2\u6570\uff0c\u5176\u5b83\u53c2\u6570\u64cd\u4f5c\u65b9\u5f0f\u4e0e\u6b64\u76f8\u540c,\u4e00\u822c \u6e29\u5ea6\u3001\u6e7f\u5ea6\u6709\u6b64\u53c2\u6570\u3002<\/p>\n\n\n\n

\uff082\uff09\u66f4\u6539\u6821\u6b63\u503c<\/p>\n\n\n\n

\u6bd4\u5982\u5f53\u524d\u72b6\u6001\u91cf\u504f\u5c0f\uff0c\u6211\u4eec\u5e0c\u671b\u5c06\u5176\u771f\u5b9e\u503c\u52a0 100\uff0c\u5f53\u524d\u503c\u52a0 100 \u6821\u6b63\u64cd \u4f5c\u547d\u4ee4\u4e3a\uff1a01 06 00 6B 00 64 F9 FD\u3002<\/p>\n\n\n\n

\u8bbe\u5907\u5730\u5740<\/td>Function Code<\/td>\u5bc4\u5b58\u5668\u5730\u5740<\/td>\u76ee\u6807\u5730\u5740<\/td>\u6821\u9a8c\u7801<\/td><\/tr>
01<\/td>06<\/td>00 6B<\/td>00 64<\/td>F9 FD<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u6bd4\u5982\u5f53\u524d\u72b6\u6001\u91cf\u504f\u5927\uff0c\u6211\u4eec\u5e0c\u671b\u5c06\u5176\u771f\u5b9e\u503c\u51cf 100\uff0c\u5f53\u524d\u503c\u51cf 100 \u6821\u6b63\u64cd \u4f5c\u547d\u4ee4\u4e3a\uff1a01 06 00 6B FF 9C B9 8F \u3002<\/p>\n\n\n\n

\u8bbe\u5907\u5730\u5740<\/td>Function Code<\/td>\u5bc4\u5b58\u5668\u5730\u5740<\/td>\u76ee\u6807\u5730\u5740<\/td>\u6821\u9a8c\u7801<\/td><\/tr>
01<\/td>06<\/td>00 6B<\/td>FF 9C<\/td>F9 FD<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u7535\u6d41\u578b 4\uff5e20mA \u8f93\u51fa\u3001\u7535\u538b\u578b 0\uff5e5V \u8f93\u51fa<\/p>\n\n\n\n

\uff081\uff09 \u63a5\u7ebf\u56fe<\/p>\n\n\n\n

\uff082\uff094\uff5e20mA \u7535\u6d41\u578b\uff1a\u70df\u96fe\u4e0e\u7535\u6d41\u8ba1\u7b97<\/p>\n\n\n\n

\u70df\u96fe\u91cf\u7a0b\u8303\u56f4 0\uff5e2000PPM\uff0c\u6a21\u62df\u91cf\u8f93\u51fa\u4e3a 4\uff5e20mA \u7535\u6d41\u4fe1\u53f7\u65f6\uff0c\u70df\u96fe\u4e0e\u7535 \u6d41\u7684\u8ba1\u7b97\u5173\u7cfb\u516c\u5f0f\uff1a X=\uff082000-0\uff09*(A-4)\u00f7\uff0820-4\uff09+0\uff0c<\/p>\n\n\n\n

\u5176\u4e2d 5000 \u4e3a\u70df\u96fe\u91cf\u7a0b\u4e0a\u9650\uff0c0 \u4e3a\u91cf\u7a0b\u4e0b\u9650\uff0c20 \u4e3a\u7535\u6d41\u8f93\u51fa\u91cf\u7a0b\u4e0a\u9650\uff0c4 \u4e3a \u91cf\u7a0b\u4e0b\u9650\uff0cA \u4e3a\u5f53\u524d\u7535\u6d41\u8f93\u51fa\u503c\uff0cX \u4e3a\u8ba1\u7b97\u51fa\u6765\u7684\u70df\u96fe\u503c\u3002<\/p>\n\n\n\n

\u5e38\u7528\u6570\u503c\u5217\u8868\uff1a<\/p>\n\n\n\n

\u7535\u6d41 A(mA)<\/td>\u70df\u96fe\u503c\uff08PPM\uff09<\/td>\u8ba1\u7b97\u8fc7\u7a0b<\/td><\/tr>
4<\/td>0.0<\/td>\uff082000-0\uff09*(4-4)\u00f7\uff0820-4\uff09+0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
<\/figure>\n\n\n\n
5<\/td>125<\/td>\uff082000-0\uff09*(5-4)\u00f7\uff0820-4\uff09+0<\/td><\/tr>
6<\/td>250<\/td>\uff082000-0\uff09*(6-4)\u00f7\uff0820-4\uff09+0<\/td><\/tr>
7<\/td>375<\/td>\uff082000-0\uff09*(7-4)\u00f7\uff0820-4\uff09+0<\/td><\/tr>
8<\/td>500<\/td>\uff082000-0\uff09*(8-4)\u00f7\uff0820-4\uff09+0<\/td><\/tr>
9<\/td>625<\/td>\uff082000-0\uff09*(9-4)\u00f7\uff0820-4\uff09+0<\/td><\/tr>
10<\/td>750<\/td>\uff082000-0\uff09*(10-4)\u00f7\uff0820-4\uff09+0<\/td><\/tr>
11<\/td>875<\/td>\uff082000-0\uff09*(11-4)\u00f7\uff0820-4\uff09+0<\/td><\/tr>
12<\/td>1000<\/td>\uff082000-0\uff09*(12-4)\u00f7\uff0820-4\uff09+0<\/td><\/tr>
13<\/td>1125<\/td>\uff082000-0\uff09*(13-4)\u00f7\uff0820-4\uff09+0<\/td><\/tr>
14<\/td>1250<\/td>\uff082000-0\uff09*(14-4)\u00f7\uff0820-4\uff09+0<\/td><\/tr>
15<\/td>1375<\/td>\uff082000-0\uff09*(15-4)\u00f7\uff0820-4\uff09+0<\/td><\/tr>
16<\/td>1500<\/td>\uff082000-0\uff09*(16-4)\u00f7\uff0820-4\uff09+0<\/td><\/tr>
17<\/td>1625<\/td>\uff082000-0\uff09*(17-4)\u00f7\uff0820-4\uff09+0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
18<\/td>1750<\/td>\uff082000-0\uff09<\/td>*(18-4)\u00f7<\/td>\uff0820-4\uff09<\/td>+0<\/td><\/tr>
19<\/td>1875<\/td>\uff082000-0\uff09<\/td>*(19-4)\u00f7<\/td>\uff0820-4\uff09<\/td>+0<\/td><\/tr>
20<\/td>2000<\/td>\uff082000-0\uff09<\/td>*(20-4)\u00f7<\/td>\uff0820-4\uff09<\/td>+0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u5982\u8868\u6240\u793a\uff0c\u5f53\u6d4b\u91cf\u7535\u6d41\u8f93\u51fa\u503c 8mA \u65f6\uff0c\u5f53\u524d\u70df\u96fe\u6d53\u5ea6\u503c\u4e3a 500PPM.<\/p>\n\n\n\n

(3) 0\uff5e5V \u7535\u538b\u578b\uff1a\u70df\u96fe\u4e0e\u7535\u538b\u8ba1\u7b97<\/p>\n\n\n\n

\u70df\u96fe\u91cf\u7a0b\u8303\u56f4 0\uff5e2000PPM\uff0c\u6a21\u62df\u91cf\u8f93\u51fa\u4e3a 0\uff5e5V \u7535\u538b\u4fe1\u53f7\u65f6\uff0c\u70df\u96fe\u4e0e\u7535\u538b \u7684\u8ba1\u7b97\u5173\u7cfb\u516c\u5f0f\uff1aX=2000*V\u00f75<\/p>\n\n\n\n

\u5176\u4e2d 2000 \u4e3a\u70df\u96fe\u91cf\u7a0b\u4e0a\u9650\uff0c5 \u4e3a\u7535\u538b\u8f93\u51fa\u91cf\u7a0b\u4e0a\u9650\uff0cV \u4e3a\u5f53\u524d\u7535\u538b\u8f93\u51fa\u503c\uff0c X \u4e3a\u8ba1\u7b97\u51fa\u6765\u7684\u70df\u96fe\u503c<\/p>\n\n\n\n

\u7535\u538b V(V)<\/td>\u70df\u96fe\u503c\uff08PPM\uff09<\/td>\u8ba1\u7b97\u8fc7\u7a0b<\/td><\/tr>
0<\/td>0.0<\/td>2000*0\u00f75<\/td><\/tr>
0.5<\/td>200<\/td>2000*0.5\u00f75<\/td><\/tr>
1<\/td>400<\/td>2000*1\u00f75<\/td><\/tr>
1.5<\/td>600<\/td>2000*1.5\u00f75<\/td><\/tr>
2<\/td>800<\/td>2000*2\u00f75<\/td><\/tr>
2.5<\/td>1000<\/td>2000*2.5\u00f75<\/td><\/tr>
3<\/td>1200<\/td>2000*3\u00f75<\/td><\/tr>
3.5<\/td>1400<\/td>2000*3.5\u00f75<\/td><\/tr>
4<\/td>1600<\/td>2000*4\u00f75<\/td><\/tr>
4.5<\/td>1800<\/td>2000*4.5\u00f75<\/td><\/tr>
5<\/td>2000<\/td>2000*5\u00f75<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u5982\u8868\u6240\u793a\uff0c\u5f53\u6d4b\u91cf\u7535\u538b\u8f93\u51fa\u503c\u00a01.5V\u00a0\u65f6\uff0c\u5f53\u524d\u70df\u96fe\u6d53\u5ea6\u503c\u4e3a\u00a0600PPM.<\/p>\n<\/span>","protected":false},"excerpt":{"rendered":"

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