"# \u6b63\u6cf0DDSU666\u7535\u8868\u63a5\u5165 Modbus\u7269\u8054\u7f51\u5e73\u53f0\n\n> 2024-04-07 | 2024-04-07\n> https:\/\/www.modbus.cn\/en\/docs\/ddsu666\n\n---\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/04\/20240407175737847.jpg)\n\n\u8fd9\u4e2a\u793a\u4f8b\uff0c\u6211\u4eec\u4ecb\u7ecd\u5982\u4f55\u5c06\u6b63\u6cf0 DDSU666 \u5355\u76f8\u5bfc\u8f68\u5f0f\u7535\u8868\u63a5\u5165 Modbus\u7269\u8054\u7f51\u5e73\u53f0\uff0c\u5e76\u5b9e\u73b0\u4ee5\u4e0b\u6570\u636e\u7684\u91c7\u96c6\u4e0a\u62a5\uff1a\n\n- \u7535\u538b\n\n- \u7535\u6d41\n\n- \u77ac\u65f6\u603b\u6709\u529f\u529f\u7387\n\n- \u77ac\u65f6\u603b\u65e0\u529f\u529f\u7387\n\n- \u77ac\u65f6\u603b\u89c6\u5728\u529f\u7387\n\n- \u603b\u529f\u529f\u7387\u56e0\u6570\n\n- \u6709\u529f\u603b\u7535\u80fd\n\n\u8be5\u7535\u8868\u7528\u4e8e\u666e\u901a\u7684\u5355\u76f8\u7528\u7535\u7cfb\u7edf\uff0c\u5305\u62ec\u5bb6\u5ead\u7528\u7535\u4ee5\u53ca\u666e\u901a\u7684\u5546\u4e1a\u7528\u7535\u3002\u5bf9\u4e8e\u5de5\u4e1a\u573a\u666f\u7684\u4e09\u76f8\u7535\u8868\u548c\u5176\u5b83\u54c1\u724c\u7684\u667a\u80fd\u7535\u8868\u4ea7\u54c1\uff0c\u4ee5\u4e0b\u65b9\u6cd5\u540c\u6837\u9002\u7528\u3002\n\n## \u7535\u8868\u63a5\u7ebf\u793a\u4f8b\n\n\u8be5\u7535\u8868\u652f\u6301 RS485\/Modbus \u534f\u8bae\uff0c\u6211\u4eec\u901a\u8fc7 DTU \u5c06\u7535\u8868\u63a5\u5165 Modbus\u7269\u8054\u7f51\u5e73\u53f0\uff0cDTU \u8d1f\u8d23 Modbus \u62a5\u6587\u900f\u4f20\u3002\n\nDTU \u548c\u7535\u8868\u901a\u8fc7 485 \u603b\u7ebf\u8fde\u63a5\uff0c\u53ef\u4ee5\u5728\u4e00\u4e2a DTU \u4e0a\u8fde\u63a5\u591a\u4e2a\u7535\u8868\uff0c\u4ece\u800c\u91c7\u96c6\u591a\u4e2a\u56de\u8def\u7684\u7528\u7535\u6570\u636e\u3002\n\n\u7535\u8868\u7684\u4ea4\u6d41\u7535\u7aef\u53e3\u63a5\u7ebf\u65b9\u5f0f\u5982\u4e0b\u56fe\uff1a\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/04\/20240407175738361.jpg)\n\n\u5173\u4e8e\u7535\u8868\u7684\u66f4\u591a\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u8bf7\u4ee5\u5382\u5bb6\u7684\u4ea7\u54c1\u8bf4\u660e\u4e66\u4e3a\u51c6\u3002\n\n## \u914d\u7f6e\u4ece\u673a\u5730\u5740\u53ca\u5bc4\u5b58\u5668\n\n\u8981\u5728\u8bbe\u5907\u7c7b\u578b\u4e2d\u663e\u793a Modbus \u914d\u7f6e\u529f\u80fd\uff0c\u9700\u8981\u5148\u5c06\u8bbe\u5907\u7c7b\u578b\u7684\u63a5\u5165\u534f\u8bae\u8bbe\u7f6e\u4e3a **Modbus RTU \u900f\u4f20**\u3002\n\n\u5728\u8bbe\u7f6e\u4e4b\u524d\uff0c\u901a\u5e38\u6211\u4eec\u8981\u53c2\u8003\u8bbe\u5907\u5382\u5546\u63d0\u4f9b\u7684 Modbus \u534f\u8bae\u624b\u518c\uff0c\u5982\u4e0b\uff1a\n\n\u53c2\u6570\u5730\u5740\u53c2\u6570\u4ee3\u53f7\u53c2\u6570\u8bf4\u660e\u6570\u636e\u7c7b\u578b\u6570\u636e\u957f\u5ea6Word\u8bfb\u5199\u5c5e\u60270000HUcodE\u7f16\u7a0b\u5bc6\u7801 codEint1R0001HREV.\u8f6f\u4ef6\u7248\u672cint1R\/W0002HCLrE\u7535\u80fd\u6e05\u96f6 CLr.Eint1R\/W0003HRESERVED\u4fdd\u7559int1R\/W0004HRESERVED\u4fdd\u7559int1R\/W0005HChangeProtocol\u534f\u8bae\u5207\u6362\u8bbe\u7f6eint1R\/W0006HAddr\u6b64\u5730\u5740\u53ea\u6709 Modbus-RTU \u65f6\u6709\u6548int1R\/W0007HRESERVED\u4fdd\u7559int1R\/W0008HRESERVED\u4fdd\u7559int1R\/W0009HRESERVED\u4fdd\u7559int1R\/W000AHRESERVED\u4fdd\u7559int1R\/W000BHRESERVED\u4fdd\u7559int1R\/W000CHBAud\u6ce2\u7279\u7387int1R\/W000DHRESERVED\u4fdd\u7559int1R\/W000EHRESERVED\u4fdd\u7559int1R\/W000FHRESERVED\u4fdd\u7559int1R\/W0010HRESERVED\u4fdd\u7559int1R\/W2000HUA \u76f8\u7535\u538bfloat2R\/W2002HIA \u76f8\u7535\u6d41float2R\/W2004HP\u77ac\u65f6\u603b\u6709\u529f\u529f\u7387float2R\/W2006HQ\u77ac\u65f6\u603b\u65e0\u529f\u529f\u7387float2R\/W2008HS\u77ac\u65f6\u603b\u89c6\u5728\u529f\u7387float2R\/W200AHPF\u603b\u529f\u529f\u7387\u56e0\u6570float2R\/W200CHRESERVED\u4fdd\u7559float2R\/W200EHFreq\u7535\u7f51\u9891\u7387float2R\/W2010HRESERVED\u4fdd\u7559float2R\/W4000HEp\u6709\u529f\u603b\u7535\u80fdfloat2R\/W\n\n\u4ee5 A\u76f8\u7535\u538b \u6570\u503c\u5bc4\u5b58\u5668\u4e3a\u4f8b\uff1a\n\n- \u5bc4\u5b58\u5668\u5730\u5740\u662f 2000H\uff0c\u8fd9\u662f16\u8fdb\u5236\u7684\u8868\u793a\u65b9\u5f0f\uff0c\u8fd9\u91cc\u9700\u8981\u8f6c\u6362\u621010\u8fdb\u5236\u3002\uff08[\u5728\u7ebf16\u8fdb\u5236\u8f6c10\u8fdb\u5236](https:\/\/jisuan5.com\/hexadecimal-to-decimal\/)\uff09\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/04\/20240407175739111.png)\n\n- \u6570\u636e\u7c7b\u578b\u662f float\uff0c\u8868\u793a\u5e26\u6709\u5c0f\u6570\u7684\u6d6e\u70b9\u6570\u3002\n\n- \u5bc4\u5b58\u5668\u6570\u91cf\u662f 2\uff0c\u8868\u793a\u6570\u636e\u957f\u5ea6\u67092\u4e2a\u5bc4\u5b58\u5668\uff0c\u4e5f\u5c31\u662f32\u4f4d\u3002\n\n- \u8bfb\u5199\u7c7b\u578b\u662f R\/W\uff0c\u8868\u793a\u662f\u4fdd\u6301\u5bc4\u5b58\u5668\uff0c\u7528 03 \u529f\u80fd\u7801\u6765\u8bfb\u53d6\u3002\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/04\/20240407175740382.png)\n\n\u6309\u7167\u624b\u518c\u4e2d\u7684\u5bc4\u5b58\u5668\u4fe1\u606f\uff0c\u6211\u4eec\u5bf9\u8bbe\u5907\u7c7b\u578b\u7684 Modbus \u8bbe\u7f6e\u5982\u4e0b\uff1a\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/04\/20240407175740501.png)\n\n\u4e0d\u540c\u5382\u5bb6\u7684\u4ea7\u54c1\uff0c\u652f\u6301\u7684 Modbus \u5bc4\u5b58\u5668\u7565\u6709\u4e0d\u540c\uff0c\u8bf7\u60a8\u53c2\u8003\u5b9e\u9645\u4ea7\u54c1\u624b\u518c\u3002\n\n## \u6269\u5c55\u9605\u8bfb\n\n\u6574\u7406\u597d\u768416\u8fdb\u5236\u8f6c10\u8fdb\u5236\u7684\u5bc4\u5b58\u5668\u8868\n\n\u53c2\u6570\u5730\u5740\u5341\u8fdb\u5236\u5bf9\u7167\u8868\u53c2\u6570\u4ee3\u53f7\u53c2\u6570\u8bf4\u660e\u6570\u636e\u7c7b\u578b\u6570\u636e\u957f\u5ea6Word\u8bfb\u5199\u5c5e\u60270000H\/UcodE\u7f16\u7a0b\u5bc6\u7801 codEint1R0001H\/REV.\u8f6f\u4ef6\u7248\u672cint1R\/W0002H\/CLrE\u7535\u80fd\u6e05\u96f6 CLr.Eint1R\/W0003H\/RESERVED\u4fdd\u7559int1R\/W0004H\/RESERVED\u4fdd\u7559int1R\/W0005H\/ChangeProtocol\u534f\u8bae\u5207\u6362\u8bbe\u7f6eint1R\/W0006H\/Addr\u6b64\u5730\u5740\u53ea\u6709 Modbus-RTU \u65f6\u6709\u6548int1R\/W0007H\/RESERVED\u4fdd\u7559int1R\/W0008H\/RESERVED\u4fdd\u7559int1R\/W0009H\/RESERVED\u4fdd\u7559int1R\/W000AH\/RESERVED\u4fdd\u7559int1R\/W000BH\/RESERVED\u4fdd\u7559int1R\/W000CH\/BAud\u6ce2\u7279\u7387int1R\/W000DH\/RESERVED\u4fdd\u7559int1R\/W000EH\/RESERVED\u4fdd\u7559int1R\/W000FH\/RESERVED\u4fdd\u7559int1R\/W0010H\/RESERVED\u4fdd\u7559int1R\/W2000H8192UA \u76f8\u7535\u538bfloat2R\/W2002H8194IA \u76f8\u7535\u6d41float2R\/W2004H8196P\u77ac\u65f6\u603b\u6709\u529f\u529f\u7387float2R\/W2006H8198Q\u77ac\u65f6\u603b\u65e0\u529f\u529f\u7387float2R\/W2008H8200S\u77ac\u65f6\u603b\u89c6\u5728\u529f\u7387float2R\/W200AH8202PF\u603b\u529f\u529f\u7387\u56e0\u6570float2R\/W200CH\/RESERVED\u4fdd\u7559float2R\/W200EH8206Freq\u7535\u7f51\u9891\u7387float2R\/W2010H\/RESERVED\u4fdd\u7559float2R\/W4000H16384Ep\u6709\u529f\u603b\u7535\u80fdfloat2R\/W\n\n---\n*modbus.cn*\n"