"# Modbus RTU\u9065\u63a7\u5668\u901a\u4fe1\u6a21\u5757\uff1a\u9065\u63a7\u5668\u65e0\u7ebf\u4fe1\u53f7\u8f6cMODBUS RTU\u534f\u8bae\u6570\u636e\n\n> 2025-11-17 | 2025-11-19\n> https:\/\/www.modbus.cn\/en\/product\/34791.html\n\n---\n\n\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u4e0e\u63a7\u5236\u7cfb\u7edf\u4e2d\uff0c\u4f20\u7edf\u7684PLC\u76f4\u63a5\u63a5\u7ebf\u63a7\u5236\u65b9\u5f0f\u5e38\u9762\u4e34\u7aef\u53e3\u8d44\u6e90\u7d27\u5f20\u3001\u5e03\u7ebf\u590d\u6742\u51cc\u4e71\u3001\u5b89\u88c5\u7a7a\u95f4\u6709\u9650\u7b49\u8bf8\u591a\u6311\u6218\u3002\u5982\u4f55\u4ee5\u7ecf\u6d4e\u3001\u53ef\u9760\u4e14\u7b80\u6d01\u7684\u65b9\u5f0f\u6269\u5c55\u63a7\u5236\u70b9\uff0c\u6210\u4e3a\u5de5\u7a0b\u5e08\u4e9f\u5f85\u89e3\u51b3\u7684\u96be\u9898\u3002**K485\u9065\u63a7\u901a\u4fe1\u6a21\u5757**\u200b \u5e94\u8fd0\u800c\u751f\uff0c\u5b83\u521b\u65b0\u6027\u5730\u5c06\u65e0\u7ebf\u9065\u63a7\u6280\u672f\u4e0e\u6807\u51c6\u7684MODBUS RTU\u5de5\u4e1a\u534f\u8bae\u76f8\u7ed3\u5408\uff0c\u4e3aPLC\u3001DCS\u53ca\u5176\u4ed6\u5de5\u4e1a\u63a7\u5236\u5668\u63d0\u4f9b\u4e86\u4e00\u79cd\u201c\u5373\u63d2\u5373\u7528\u201d\u7684\u65e0\u7ebfI\/O\u6269\u5c55\u65b9\u6848\uff0c\u4ece\u6839\u672c\u4e0a\u4f18\u5316\u4e86\u63a7\u5236\u7cfb\u7edf\u7684\u7ed3\u6784\u4e0e\u5b9e\u65bd\u6548\u7387\u3002\r\n\n#### **\u4e00\u3001\u4ea7\u54c1\u6838\u5fc3\u5b9a\u4f4d\uff1a\u5de5\u4e1a\u63a7\u5236\u5668\u7684\u65e0\u7ebf\u89e6\u624b**\n\n\r\nK485\u6a21\u5757\u662f\u4e00\u6b3e\u4e13\u4e3a\u5de5\u4e1a\u73af\u5883\u8bbe\u8ba1\u7684\u4fe1\u53f7\u8f6c\u6362\u4e0e\u901a\u4fe1\u67a2\u7ebd\u3002\u5176\u6838\u5fc3\u529f\u80fd\u662f\u63a5\u6536\u6765\u81ea\u914d\u5957\u9065\u63a7\u5668\u7684\u65e0\u7ebf\u5c04\u9891\u4fe1\u53f7\uff0c\u5e76\u5c06\u5176\u8f6c\u6362\u4e3a\u6807\u51c6\u7684MODBUS RTU\u534f\u8bae\u6570\u636e\uff0c\u901a\u8fc7RS485\u63a5\u53e3\u4f20\u8f93\u7ed9\u4e0a\u4f4d\u673a\uff08\u5982PLC\u3001\u5de5\u63a7\u673a\uff09\u3002\u8fd9\u4f7f\u5f97\u5de5\u7a0b\u5e08\u65e0\u9700\u4e3a\u6bcf\u4e00\u4e2a\u63a7\u5236\u70b9\u6577\u8bbe\u7269\u7406\u7ebf\u8def\uff0c\u4ec5\u9700\u901a\u8fc7\u4e00\u4e2aRS485\u63a5\u53e3\uff0c\u5373\u53ef\u5b9e\u73b0\u5bf9\u591a\u8fbe34\u4e2a\u751a\u81f3\u66f4\u591a\u63a7\u5236\u70b9\u7684\u65e0\u7ebf\u8fdc\u7a0b\u64cd\u63a7\uff0c\u6781\u5927\u7b80\u5316\u4e86\u7cfb\u7edf\u8bbe\u8ba1\u3001\u5b89\u88c5\u4e0e\u7ef4\u62a4\u6d41\u7a0b\u3002\r\n\n#### **\u4e8c\u3001\u89e3\u51b3\u7684\u4e09\u5927\u5de5\u4e1a\u63a7\u5236\u6838\u5fc3\u75db\u70b9**\n\n\r\nK485\u6a21\u5757\u76f4\u51fb\u5de5\u4e1a\u73b0\u573a\u6700\u5e38\u89c1\u7684\u96be\u9898\uff1a\r\n\r\n \t**\u7834\u89e3\u201c\u7aef\u53e3\u4e0d\u591f\u7528\u201d\u56f0\u5883**\r\n\r\n \t- **\u95ee\u9898**\uff1aPLC\u81ea\u5e26\u6570\u5b57\u91cf\u8f93\u5165\u70b9\u6709\u9650\uff0c\u5355\u72ec\u589e\u52a0\u6269\u5c55\u6a21\u5757\u6210\u672c\u9ad8\u6602\u3002\r\n \t- **\u89e3\u51b3\u65b9\u6848**\uff1a\u4e00\u4e2aK485\u6a21\u5757\u4ec5\u5360\u7528\u4e00\u4e2aRS485\u901a\u4fe1\u53e3\uff0c\u5373\u53ef\u63a5\u6536\u591a\u8fbe34\u4e2a\u6309\u952e\u7684\u6307\u4ee4\uff0c\u76f8\u5f53\u4e8e\u6269\u5c55\u4e8634\u4e2a\u65e0\u7ebf\u8fdc\u7a0b\u63a7\u5236\u70b9\uff0c\u6027\u4ef7\u6bd4\u6781\u9ad8\u3002\r\n\r\n\r\n \t**\u7ec8\u7ed3\u201c\u63a5\u7ebf\u4e0d\u7f8e\u89c2\u3001\u5371\u9669\u201d\u4e71\u8c61**\r\n\r\n \t- **\u95ee\u9898**\uff1a\u5927\u91cf\u7684\u7269\u7406\u6309\u94ae\u548c\u7ebf\u8def\u5bfc\u81f4\u63a7\u5236\u67dc\u5185\u63a5\u7ebf\u6742\u4e71\uff0c\u4e0d\u4ec5\u4e0d\u7f8e\u89c2\uff0c\u66f4\u5b58\u5728\u77ed\u8def\u3001\u8bef\u89e6\u7684\u98ce\u9669\u3002\r\n \t- **\u89e3\u51b3\u65b9\u6848**\uff1a\u91c7\u7528\u65e0\u7ebf\u9065\u63a7\u65b9\u5f0f\uff0c\u4ece\u6839\u672c\u4e0a\u51cf\u5c11\u4e8690%\u4ee5\u4e0a\u7684\u63a7\u5236\u7ebf\u8def\uff0c\u4f7f\u67dc\u5185\u5e03\u7ebf\u7b80\u6d01\u3001\u6e05\u6670\uff0c\u5927\u5927\u63d0\u5347\u5b89\u5168\u6027\u4e0e\u53ef\u9760\u6027\u3002\r\n\r\n\r\n \t**\u514b\u670d\u201c\u6a21\u5757\u4f53\u79ef\u5927\u201d\u9650\u5236**\r\n\r\n \t- **\u95ee\u9898**\uff1a\u4f20\u7edfI\/O\u6a21\u5757\u4f53\u79ef\u8f83\u5927\uff0c\u5728\u7a7a\u95f4\u7d27\u5f20\u7684\u914d\u7535\u67dc\u5185\u5b89\u88c5\u56f0\u96be\u3002\r\n \t- **\u89e3\u51b3\u65b9\u6848**\uff1aK485\u6a21\u5757\u5c3a\u5bf8\u4ec5\u4e3a73*78*36MM\uff08\u957f*\u5bbd*\u9ad8\uff09\uff0c\u7ed3\u6784\u7d27\u51d1\uff0c\u91c7\u7528\u5bfc\u8f68\u5f0f\u5b89\u88c5\uff0c\u6781\u5927\u8282\u7701\u4e86\u914d\u7535\u67dc\u5185\u7684\u5b9d\u8d35\u7a7a\u95f4\u3002\r\n\r\n\r\n\r\n\n#### **\u4e09\u3001\u6838\u5fc3\u6280\u672f\u4f18\u52bf\uff1a\u6297\u5e72\u6270\u3001\u6613\u7528\u3001\u6807\u51c6\u5316**\n\n\r\n**1. \u8d85\u5f3a\u6297\u5e72\u6270\u4e0e\u7a33\u5b9a\u901a\u4fe1**\r\n\r\n \t- **\u5de5\u4e1a\u7ea7\u5c04\u9891**\uff1a\u5de5\u4f5c\u9891\u7387\u4e3a**868-932MHZ**\uff0c\u7a7f\u900f\u80fd\u529b\u5f3a\uff0c\u7ed5\u5c04\u6027\u80fd\u597d\uff0c\u9002\u7528\u4e8e\u590d\u6742\u7684\u5de5\u4e1a\u73af\u5883\u3002\r\n \t- **\u7a33\u5065\u8bbe\u8ba1**\uff1a\u5185\u7f6e\u9ad8\u6027\u80fd\u5929\u7ebf\uff0c\u4e13\u4e3a**\u914d\u7535\u7bb1**\u7b49\u5b58\u5728\u4e00\u5b9a\u7535\u78c1\u5e72\u6270\u7684\u573a\u666f\u4f18\u5316\uff0c\u786e\u4fdd\u4fe1\u53f7\u4f20\u8f93\u7684\u7a33\u5b9a\u6027\u4e0e\u53ef\u9760\u6027\u3002\r\n\r\n**2. \u5b66\u4e60\u578b\u7f16\u7801\u4e0e\u7075\u6d3b\u914d\u7f6e**\r\n\r\n \t- **\u5373\u5b66\u5373\u7528**\uff1a\u91c7\u7528**\u5b66\u4e60\u578b\u7f16\u7801**\u6280\u672f\uff0c\u7528\u6237\u53ef\u8f7b\u677e\u5c06\u591a\u4e2a\u4e0d\u540c\u6309\u952e\u6570\u91cf\u7684\u9065\u63a7\u5668\uff08\u598234\u952e\u300126\u952e\u300110\u952e\u30016\u952e\uff09\u4e0e\u4e00\u4e2a\u63a5\u6536\u6a21\u5757\u914d\u5bf9\uff0c\u914d\u7f6e\u8fc7\u7a0b\u7b80\u5355\u5feb\u6377\u3002\r\n \t- **\u591a\u79cd\u9065\u63a7\u9009\u62e9**\uff1a\u63d0\u4f9b4\u79cd\u89c4\u683c\u7684\u9065\u63a7\u5668\u53ef\u9009\uff0c\u6ee1\u8db3\u4ece\u7b80\u5355\u8bbe\u5907\u542f\u505c\u5230\u590d\u6742\u591a\u8bbe\u5907\u7fa4\u63a7\u7684\u4e0d\u540c\u5e94\u7528\u9700\u6c42\u3002\u6240\u6709\u9065\u63a7\u5668\u5747\u914d\u5907\u201c\u603b\u5f00\uff08All ON\uff09\u201d\u548c\u201c\u603b\u5173\uff08All OFF\uff09\u201d\u952e\uff0c\u4fbf\u4e8e\u4e00\u952e\u5316\u64cd\u4f5c\u3002\r\n\r\n**3. \u6807\u51c6MODBUS RTU\u534f\u8bae\uff0c\u65e0\u7f1d\u96c6\u6210**\r\n\r\n \t- **\u5de5\u4e1a\u901a\u7528\u8bed\u8a00**\uff1a\u652f\u6301\u6807\u51c6\u7684**MODBUS RTU**\u534f\u8bae\uff0c\u529f\u80fd\u7801\u4e3a**03H**\uff08\u8bfb\u4fdd\u6301\u5bc4\u5b58\u5668\uff09\uff0c\u53ef\u8f7b\u677e\u96c6\u6210\u81f3\u4efb\u4f55\u652f\u6301\u8be5\u534f\u8bae\u7684\u81ea\u52a8\u5316\u7cfb\u7edf\uff08\u5982\u897f\u95e8\u5b50\u3001\u4e09\u83f1\u3001\u53f0\u8fbe\u7b49\u54c1\u724c\u7684PLC\u53caSCADA\u3001HMI\u8f6f\u4ef6\uff09\u3002\r\n \t- **\u5373\u63d2\u5373\u7528**\uff1a\u65e0\u9700\u5f00\u53d1\u79c1\u6709\u9a71\u52a8\uff0c\u5927\u5e45\u7f29\u77ed\u9879\u76ee\u96c6\u6210\u4e0e\u8c03\u8bd5\u65f6\u95f4\u3002\r\n\r\n\n#### **\u56db\u3001\u901a\u4fe1\u534f\u8bae\u4e0e\u6570\u636e\u5e27\u683c\u5f0f\u8be6\u89e3**\n\n\r\nK485\u6a21\u5757\u4f5c\u4e3aMODBUS RTU\u4ece\u7ad9\u8bbe\u5907\uff0c\u5176\u901a\u4fe1\u8fc7\u7a0b\u6e05\u6670\u7b80\u6d01\u3002**1. \u6570\u636e\u5e27\u683c\u5f0f**\u5f53\u4e0a\u4f4d\u673a\uff08\u4e3b\u7ad9\uff09\u67e5\u8be2\u65f6\uff0c\u6a21\u5757\u8fd4\u56de\u7684\u6570\u636e\u5e27\u683c\u5f0f\u5982\u4e0b\u8868\u793a\uff1a\r\n\r\n\r\n\r\n\r\n\u5b57\u8282\u5e8f\u53f7\r\n\u5b57\u6bb5\u542b\u4e49\r\n\u503c\uff08\u793a\u4f8b\uff09\r\n\u8bf4\u660e\r\n\r\n\r\n\r\n\r\n1\r\n\u6a21\u5757\u5730\u5740\r\n0x08\r\n\u8bbe\u5907\u5730\u5740\u56fa\u5b9a\u4e3a08H\uff08\u53ef\u901a\u8fc7\u6307\u4ee4\u4fee\u6539\uff09\r\n\r\n\r\n2\r\n\u529f\u80fd\u7801\r\n0x03\r\n\u56fa\u5b9a\u4e3a03H\uff0c\u8868\u793a\u8bfb\u5bc4\u5b58\u5668\u64cd\u4f5c\r\n\r\n\r\n3\r\n\u6570\u636e\u5b57\u8282\u6570\r\n0x04\r\n\u8868\u793a\u540e\u7eed\u6709\u6548\u6570\u636e\u4e3a4\u4e2a\u5b57\u8282\r\n\r\n\r\n4-7\r\n**\u9065\u63a7\u952e\u503c**\u200b\r\n0xXX 0x00 0x00 0x00\r\n**\u6838\u5fc3\u6570\u636e\u533a\uff0c32\u4f4d\u65e0\u7b26\u53f7\u6574\u6570\uff0c\u8868\u793a\u88ab\u6309\u4e0b\u7684\u952e**\u200b\r\n\r\n\r\n8-9\r\nCRC16\u6821\u9a8c\r\n-\r\n\u7528\u4e8e\u9a8c\u8bc1\u6570\u636e\u5b8c\u6574\u6027\u7684\u5faa\u73af\u5197\u4f59\u6821\u9a8c\u7801\r\n\r\n\r\n\r\n\r\n**2. \u952e\u503c\u89e3\u6790\u539f\u7406**\r\n\r\n \t- \u6a21\u5757\u5c06\u9065\u63a7\u5668\u768434\u4e2a\u6309\u952e\u6620\u5c04\u4e3a\u4e00\u4e2a32\u4f4d\u7684\u4f4d\u56fe\uff08Bitmask\uff09\u3002\r\n \t- \u6bcf\u4e2a\u6309\u952e\u5bf9\u5e94\u4f4d\u56fe\u4e2d\u7684\u4e00\u4f4d\uff08bit\uff09\u3002\u4f8b\u5982\uff0c\u6309\u4e0b1\u53f7\u952e\uff0c\u952e\u503c\u6570\u636e\u4e3a`01 00 00 00`\uff08\u5341\u516d\u8fdb\u5236\uff09\uff1b\u540c\u65f6\u6309\u4e0b1\u53f7\u548c2\u53f7\u952e\uff0c\u952e\u503c\u6570\u636e\u4e3a`03 00 00 00`\uff08\u5341\u516d\u8fdb\u5236\uff0c\u53731+2=3\uff09\u3002\r\n \t- \u4e0a\u4f4d\u673a\u901a\u8fc7\u89e3\u6790\u8be532\u4f4d\u6570\uff0c\u5373\u53ef\u7cbe\u786e\u5224\u65ad\u662f\u54ea\u4e2a\u6216\u54ea\u4e9b\u6309\u952e\u88ab\u6309\u4e0b\u3002\r\n\r\n**3. \u901a\u4fe1\u5b9e\u4f8b**\r\n\r\n \t**\u6309\u4e0b1\u53f7\u952e**\uff1a\r\n\r\n \t- \u4e3b\u673a\u67e5\u8be2\uff1a`08 03 00 01 00 02 95 52`\r\n \t- \u6a21\u5757\u8fd4\u56de\uff1a`08 03 04 01 00 00 00 62 CF`\uff08\u952e\u503c = 0x00000001\uff09\r\n\r\n\r\n \t**\u65e0\u6309\u952e\u6309\u4e0b**\uff1a\r\n\r\n \t- \u6a21\u5757\u8fd4\u56de\uff1a`08 03 04 00 00 00 00 63 33`\uff08\u952e\u503c = 0x00000000\uff09\r\n\r\n\r\n\r\n\n#### **\u4e94\u3001\u8be6\u7ec6\u6280\u672f\u53c2\u6570**\n\n\r\n\r\n\r\n\r\n\r\n\u53c2\u6570\u7c7b\u522b\r\n\u53c2\u6570\u503c\r\n\r\n\r\n\r\n\r\n**\u4ea7\u54c1\u578b\u53f7**\u200b\r\nK485\r\n\r\n\r\n**\u4ea7\u54c1\u540d\u79f0**\u200b\r\n\u9065\u63a7\u901a\u4fe1\u6a21\u5757\r\n\r\n\r\n**\u989d\u5b9a\u7535\u538b**\u200b\r\nDC 12V - 24V \uff08\u5bbd\u7535\u538b\u8bbe\u8ba1\uff09\r\n\r\n\r\n**\u5de5\u4f5c\u9891\u7387**\u200b\r\n868 - 932MHZ\r\n\r\n\r\n**\u8f93\u51fa\u7c7b\u578b**\u200b\r\nRS485\r\n\r\n\r\n**\u901a\u4fe1\u534f\u8bae**\u200b\r\nMODBUS RTU\r\n\r\n\r\n**\u7f16\u7801\u7c7b\u578b**\u200b\r\n\u5b66\u4e60\u578b\r\n\r\n\r\n**\u4ea7\u54c1\u5c3a\u5bf8**\u200b\r\n73mm \u00d7 78mm \u00d7 36mm (\u957f\u00d7\u5bbd\u00d7\u9ad8)\r\n\r\n\r\n**\u914d\u5957\u9065\u63a7\u5668**\u200b\r\n34\u952e \/ 26\u952e \/ 10\u952e \/ 6\u952e \uff08\u53ef\u9009\uff09\r\n\r\n\r\n\r\n\r\n\n#### **\u516d\u3001\u5b89\u88c5\u4e0e\u4f7f\u7528\u5173\u952e\u8981\u70b9\uff08\u4ea7\u54c1\u63a5\u53e3\u8bf4\u660e\uff09**\n\n\r\n\u4e3a\u786e\u4fdd\u6a21\u5757\u53ef\u9760\u8fd0\u884c\uff0c\u5b89\u88c5\u65f6\u9700\u7279\u522b\u6ce8\u610f\u4ee5\u4e0b\u51e0\u70b9\uff1a\r\n\r\n \t- **\u73af\u5883\u8981\u6c42**\uff1a\u63a7\u5236\u5668\u5b89\u88c5\u4f4d\u7f6e\u5e94\u6ce8\u610f**\u9632\u6c34\u3001\u9632\u6f6e**\uff0c\u907f\u514d\u5b89\u88c5\u5728\u51b7\u51dd\u6216\u6e85\u6c34\u533a\u57df\u3002\r\n \t- **\u5b89\u5168\u7b2c\u4e00**\uff1a\u8fdb\u884c\u4efb\u4f55\u63a5\u7ebf\u64cd\u4f5c\u524d\uff0c\u52a1\u5fc5**\u65ad\u5f00\u7535\u6e90**\uff0c\u6ce8\u610f\u7528\u7535\u5b89\u5168\u3002\r\n \t- **\u4fe1\u53f7\u4f18\u5316**\uff1a**\u914d\u7535\u7bb1\u3001\u91d1\u5c5e\u7bb1\u7b49\u4f1a\u5bf9\u4fe1\u53f7\u4ea7\u751f\u5c4f\u853d**\u3002\u5b89\u88c5\u65f6\u52a1\u5fc5**\u5c06\u6a21\u5757\u9644\u5e26\u7684\u9ed1\u8272\u5929\u7ebf\u5f15\u51fa\u7bb1\u4f53\u5916**\uff0c\u4ee5\u786e\u4fdd\u6700\u4f73\u63a5\u6536\u6548\u679c\u3002\r\n \t- **\u8fdc\u79bb\u5e72\u6270**\uff1a\u5b89\u88c5\u4f4d\u7f6e\u8981**\u8fdc\u79bb\u5927\u578b\u53d8\u538b\u5668\u3001\u9ad8\u538b\u7ebf\u7b49\u5f3a\u7535\u78c1\u5e72\u6270\u6e90**\uff0c\u907f\u514d\u5f71\u54cd\u4fe1\u53f7\u7684\u6b63\u5e38\u63a5\u6536\u4e0e\u89e3\u7801\u3002\r\n\r\n\n#### **\u4e03\u3001\u5178\u578b\u5e94\u7528\u573a\u666f**\n\n\r\nK485\u6a21\u5757\u5e7f\u6cdb\u5e94\u7528\u4e8e\u9700\u8981\u65e0\u7ebf\u8fdc\u7a0b\u64cd\u63a7\u6216\u7b80\u5316\u5e03\u7ebf\u7684\u573a\u666f\uff1a\r\n\r\n \t- **\u667a\u80fd\u697c\u5b87**\uff1a\u63a7\u5236\u5927\u5385\u3001\u8d70\u5eca\u3001\u505c\u8f66\u573a\u7b49\u533a\u57df\u7684\u7167\u660e\u56de\u8def\u3002\r\n \t- **\u5de5\u4e1a\u8bbe\u5907**\uff1a\u7528\u4e8e\u8d77\u91cd\u673a\u3001\u673a\u5e8a\u3001\u8f93\u9001\u5e26\u7b49\u8bbe\u5907\u7684\u8fdc\u7a0b\u65e0\u7ebf\u64cd\u63a7\u3002\r\n \t- **\u519c\u4e1a\u81ea\u52a8\u5316**\uff1a\u63a7\u5236\u704c\u6e89\u6cf5\u3001\u5377\u5e18\u673a\u3001\u901a\u98ce\u8bbe\u5907\u7b49\u3002\r\n \t- **\u821e\u53f0\u706f\u5149**\uff1a\u4f5c\u4e3a\u5907\u4efd\u6216\u8f85\u52a9\u7684\u65e0\u7ebf\u63a7\u5236\u4fe1\u53f7\u6e90\u3002\r\n\r\n\n#### **\u603b\u7ed3**\n\n\r\nK485\u9065\u63a7\u901a\u4fe1\u6a21\u5757\u662f\u4e00\u6b3e\u8bbe\u8ba1\u5de7\u5999\u3001\u5207\u5b9e\u89e3\u51b3\u5de5\u4e1a\u73b0\u573a\u5b9e\u9645\u95ee\u9898\u7684\u4f18\u79c0\u4ea7\u54c1\u3002\u5b83\u901a\u8fc7**\u65e0\u7ebf\u5316\u3001\u534f\u8bae\u6807\u51c6\u5316**\u7684\u8def\u5f84\uff0c\u5c06\u590d\u6742\u7684\u786c\u4ef6\u6269\u5c55\u548c\u5e03\u7ebf\u95ee\u9898\uff0c\u8f6c\u5316\u4e3a\u7b80\u5355\u7684\u901a\u4fe1\u89e3\u6790\u95ee\u9898\uff0c\u4e0d\u4ec5**\u663e\u8457\u964d\u4f4e\u4e86\u6210\u672c\u548c\u5b89\u88c5\u590d\u6742\u5ea6**\uff0c\u8fd8**\u63d0\u5347\u4e86\u7cfb\u7edf\u7684\u7075\u6d3b\u6027\u4e0e\u53ef\u7ef4\u62a4\u6027**\u3002\u5bf9\u4e8e\u9762\u4e34\u63a7\u5236\u70b9\u6269\u5c55\u96be\u9898\u7684\u5de5\u7a0b\u5e08\u548c\u7cfb\u7edf\u96c6\u6210\u5546\u800c\u8a00\uff0cK485\u63d0\u4f9b\u4e86\u4e00\u4e2a\u9ad8\u6027\u4ef7\u6bd4\u3001\u9ad8\u53ef\u9760\u6027\u7684\u7406\u60f3\u89e3\u51b3\u65b9\u6848\u3002\n\n---\n*modbus.cn*\n"