{"id":92670,"date":"2024-05-11T10:04:14","date_gmt":"2024-05-11T02:04:14","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=92670"},"modified":"2024-05-11T10:04:38","modified_gmt":"2024-05-11T02:04:38","slug":"rdyzdcdgzfsszyd","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/92670.html","title":{"rendered":"RS485\u7684\u4e00\u4e3b\u591a\u4ece\u7684\u5de5\u4f5c\u65b9\u5f0f\u662f\u600e\u6837\u7684"},"content":{"rendered":"\n

\u3000\u3000RS485\u7684\u4e00\u4e3b\u591a\u4ece\u5de5\u4f5c\u65b9\u5f0f\u4e3b\u8981\u57fa\u4e8e\u5176\u534a\u53cc\u5de5\u901a\u4fe1\u7279\u6027\u3002\u5728\u8fd9\u79cd\u914d\u7f6e\u4e2d\uff0c\u4e00\u53f0\u8bbe\u5907\u4f5c\u4e3a\u4e3b\u673a\uff0c\u8d1f\u8d23\u53d1\u9001\u6570\u636e\uff0c\u800c\u591a\u53f0\u8bbe\u5907\u4f5c\u4e3a\u4ece\u673a\uff0c\u63a5\u6536\u5e76\u5904\u7406\u8fd9\u4e9b\u6570\u636e\u3002<\/strong>\u6bcf\u4e2a\u4ece\u673a\u5728\u7f51\u7edc\u4e2d\u5fc5\u987b\u5177\u6709\u552f\u4e00\u7684\u5730\u5740\uff0c\u4ee5\u4fbf\u4e3b\u673a\u80fd\u591f\u6b63\u786e\u5730\u8bc6\u522b\u548c\u53d1\u9001\u6570\u636e\u7ed9\u7279\u5b9a\u7684\u4ece\u673a\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728\u7269\u7406\u5c42\u9762\uff0cRS485\u4f7f\u7528\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\uff0c\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u6709\u6548\u51cf\u5c11\u5916\u90e8\u5e72\u6270\u5e76\u652f\u6301\u957f\u8ddd\u79bb\u4f20\u8f93\u3002<\/strong>\u5dee\u5206\u4fe1\u53f7\u901a\u8fc7\u4e24\u6839\u7ebf(A\u7ebf\u548cB\u7ebf)\u4f20\u8f93\uff0c\u5176\u4e2d\u4e00\u6761\u7ebf\u4f20\u8f93\u6b63\u903b\u8f91\u4fe1\u53f7\uff0c\u53e6\u4e00\u6761\u7ebf\u4f20\u8f93\u53cd\u903b\u8f91\u4fe1\u53f7\u3002\u8fd9\u79cd\u8bbe\u8ba1\u4e0d\u4ec5\u63d0\u9ad8\u4e86\u4fe1\u53f7\u7684\u6297\u5e72\u6270\u80fd\u529b\uff0c\u8fd8\u4f7f\u5f97\u4fe1\u53f7\u5728\u957f\u8ddd\u79bb\u4f20\u8f93\u65f6\u4fdd\u6301\u7a33\u5b9a\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728\u8f6f\u4ef6\u5c42\u9762\uff0cRS485\u652f\u6301\u591a\u70b9\u901a\u4fe1\u6a21\u5f0f\uff0c\u5373\u4e00\u4e3b\u591a\u4ece\u7684\u901a\u4fe1\u6a21\u5f0f\u3002<\/strong>\u8fd9\u610f\u5473\u7740\u4e3b\u673a\u53ef\u4ee5\u540c\u65f6\u4e0e\u591a\u4e2a\u4ece\u673a\u8fdb\u884c\u901a\u4fe1\uff0c\u4f46\u6bcf\u6b21\u53ea\u80fd\u6709\u4e00\u4e2a\u8bbe\u5907\u53d1\u9001\u6216\u63a5\u6536\u6570\u636e\uff0c\u8fd9\u662f\u7531\u534a\u53cc\u5de5\u901a\u4fe1\u7279\u6027\u51b3\u5b9a\u7684\u3002\u4e3a\u4e86\u5b9e\u73b0\u8fd9\u4e00\u70b9\uff0c\u6bcf\u4e2a\u4ece\u673a\u90fd\u9700\u8981\u914d\u7f6e\u4e00\u4e2a\u552f\u4e00\u7684\u5730\u5740\uff0c\u8fd9\u6837\u4e3b\u673a\u5c31\u53ef\u4ee5\u901a\u8fc7\u5730\u5740\u6765\u9009\u62e9\u7279\u5b9a\u7684\u4ece\u673a\u8fdb\u884c\u901a\u4fe1\u3002<\/p>\n\n\n\n

\u3000\u3000\u6b64\u5916\uff0cRS485\u7684\u901a\u4fe1\u534f\u8bae\u901a\u5e38\u5305\u62ec\u4e00\u4e9b\u63a7\u5236\u547d\u4ee4\uff0c\u5982\u8f6e\u8be2\u3001\u54cd\u5e94\u7b49\uff0c\u4f7f\u5f97\u4e3b\u673a\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u548c\u63a7\u5236\u4ece\u673a\u7684\u884c\u4e3a\u3002<\/strong>\u4f8b\u5982\uff0c\u4e3b\u673a\u53ef\u4ee5\u901a\u8fc7\u8f6e\u8be2\u547d\u4ee4\u68c0\u67e5\u4ece\u673a\u662f\u5426\u5728\u7ebf\uff0c\u5e76\u6839\u636e\u9700\u8981\u53d1\u9001\u6570\u636e\u6216\u63a5\u6536\u6570\u636e\u3002<\/p>\n\n\n\n

\u3000\u3000RS485\u7684\u4e00\u4e3b\u591a\u4ece\u5de5\u4f5c\u65b9\u5f0f\u901a\u8fc7\u5176\u534a\u53cc\u5de5\u901a\u4fe1\u7279\u6027\u3001\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\u6280\u672f\u4ee5\u53ca\u6bcf\u4e2a\u4ece\u673a\u7684\u552f\u4e00\u5730\u5740\u914d\u7f6e\uff0c\u5b9e\u73b0\u4e86\u9ad8\u6548\u3001\u53ef\u9760\u7684\u591a\u70b9\u901a\u4fe1\u3002<\/strong>\u8fd9\u79cd\u914d\u7f6e\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\u3001\u6570\u636e\u91c7\u96c6\u548c\u63a7\u5236\u7cfb\u7edf\u7b49\u9886\u57df\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001 RS485\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\u7684\u5177\u4f53\u5de5\u4f5c\u539f\u7406\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n

\u3000\u3000RS485\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\u7684\u5de5\u4f5c\u539f\u7406\u4e3b\u8981\u57fa\u4e8e\u5dee\u5206\u4fe1\u53f7\u6280\u672f\u3002\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\u901a\u8fc7\u4e24\u6839\u7ebf(\u901a\u5e38\u6807\u8bb0\u4e3aA\u548cB)\u6765\u4f20\u8f93\u6570\u636e\uff0c\u5176\u4e2d\u4e00\u6839\u7ebf(A\u7ebf)\u53d1\u9001\u6b63\u5411\u4fe1\u53f7\uff0c\u53e6\u4e00\u6839\u7ebf(B\u7ebf)\u53d1\u9001\u8d1f\u5411\u4fe1\u53f7\u3002<\/p>\n\n\n\n

\u3000\u3000\u5177\u4f53\u6765\u8bf4\uff0c\u5f53A\u7ebf\u548cB\u7ebf\u4e0a\u7684\u7535\u538b\u76f8\u540c\u65f6\uff0c\u8868\u793a\u6ca1\u6709\u6570\u636e\u4f20\u8f93;\u5f53A\u7ebf\u9ad8\u4e8eB\u7ebf\u6216B\u7ebf\u9ad8\u4e8eA\u7ebf\u65f6\uff0c\u8868\u793a\u6709\u6570\u636e\u4f20\u8f93\uff0c\u4e14\u6570\u636e\u7684\u65b9\u5411\u53ef\u4ee5\u901a\u8fc7\u6bd4\u8f83\u54ea\u4e2a\u7ebf\u66f4\u9ad8\u6765\u786e\u5b9a\u3002\u6b64\u5916\uff0c\u7531\u4e8e\u5dee\u5206\u4fe1\u53f7\u5bf9\u5916\u754c\u5e72\u6270\u7684\u62b5\u6297\u80fd\u529b\u8f83\u5f3a\uff0c\u8fd9\u79cd\u4f20\u8f93\u65b9\u5f0f\u7279\u522b\u9002\u7528\u4e8e\u5de5\u4e1a\u73af\u5883\u4e2d\u7684\u957f\u8ddd\u79bb\u901a\u4fe1\u548c\u590d\u6742\u7535\u78c1\u73af\u5883\u3002<\/p>\n\n\n\n

\u3000\u3000RS485\u8fd8\u652f\u6301\u534a\u53cc\u5de5\u901a\u4fe1\u6a21\u5f0f\uff0c\u5373\u540c\u4e00\u6839\u7ebf\u8def\u4e0a\u65e2\u80fd\u53d1\u9001\u4e5f\u80fd\u63a5\u6536\u6570\u636e\uff0c\u4f46\u9700\u8981\u4f7f\u7528\u5230\u6536\u53d1\u5668\u6765\u5b9e\u73b0\u8fd9\u4e00\u70b9\u3002<\/p>\n\n\n\n

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

\u3000\u3000\u4e8c\u3001 \u5982\u4f55\u914d\u7f6eRS485\u4ece\u673a\u4ee5\u786e\u4fdd\u5176\u552f\u4e00\u5730\u5740\u5e76\u652f\u6301\u6709\u6548\u901a\u4fe1?<\/h2>\n\n\n\n

\u3000\u3000\u8981\u914d\u7f6eRS485\u4ece\u673a\u4ee5\u786e\u4fdd\u5176\u552f\u4e00\u5730\u5740\u5e76\u652f\u6301\u6709\u6548\u901a\u4fe1\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u8fdb\u884c\uff1a<\/p>\n\n\n\n

    \n
  • \u3000\u3000\u786e\u5b9a\u901a\u4fe1\u53c2\u6570<\/strong>\uff1a\u9996\u5148\uff0c\u9700\u8981\u786e\u5b9a\u4e0e\u4e3b\u673a\u7684\u901a\u4fe1\u53c2\u6570\uff0c\u5305\u62ec\u6ce2\u7279\u7387\u3001\u6570\u636e\u4f4d\u3001\u505c\u6b62\u4f4d\u548c\u6821\u9a8c\u4f4d\u7b49\u3002\u8fd9\u4e9b\u53c2\u6570\u5fc5\u987b\u4e0e\u4e3b\u673a\u8bbe\u7f6e\u4e00\u81f4\uff0c\u4ee5\u786e\u4fdd\u4e24\u8005\u80fd\u591f\u6b63\u786e\u4ea4\u6362\u6570\u636e\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u8bbe\u7f6e\u5730\u5740\u7801<\/strong>\uff1aRS485\u4ece\u673a\u5728\u603b\u7ebf\u4e2d\u7684\u5730\u5740\u662f\u552f\u4e00\u7684\uff0c\u901a\u5e38\u51fa\u5382\u9ed8\u8ba4\u4e3a0x01.\u5982\u679c\u9700\u8981\u66f4\u6539\u5730\u5740\uff0c\u53ef\u4ee5\u901a\u8fc7\u786c\u4ef6\u8bbe\u7f6e\u754c\u9762\u8fdb\u884c\u4fee\u6539\u3002\u5982\u679c\u662f\u5728\u591a\u4e2a\u8bbe\u5907\u5171\u7528\u4e00\u4e2a\u603b\u7ebf\u7684\u60c5\u51b5\u4e0b\uff0c\u8fd8\u53ef\u4ee5\u91c7\u7528\u81ea\u52a8\u5206\u914d\u5730\u5740\u7684\u65b9\u6cd5\uff0c\u4f8b\u5982\u901a\u8fc7\u4e3b\u7ad9\u53d1\u9001\u5e7f\u64ad\u547d\u4ee4\u6765\u52a8\u6001\u5206\u914d\u5730\u5740\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u914d\u7f6e\u5bc4\u5b58\u5668\u8d77\u59cb\u5730\u5740<\/strong>\uff1a\u6839\u636e\u9700\u8981\u5b58\u50a8\u7684\u53c2\u6570\u6216\u4f20\u611f\u5668\u6570\u636e\uff0c\u914d\u7f6e\u5bc4\u5b58\u5668\u7684\u8d77\u59cb\u5730\u5740\u3002\u8fd9\u901a\u5e38\u6d89\u53ca\u5230\u8bbe\u7f6e\u4e24\u4e2a\u5b57\u8282\u7684\u5730\u5740\uff0c\u4ee5\u4fbf\u4e8e\u540e\u7eed\u7684\u6570\u636e\u8bfb\u5199\u64cd\u4f5c\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u6821\u9a8c\u7801\u8bbe\u7f6e<\/strong>\uff1a\u4e3a\u4e86\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u51c6\u786e\u6027\uff0c\u9700\u8981\u8bbe\u7f6e\u9002\u5f53\u7684CRC\u6821\u9a8c\u7801\u3002\u8fd9\u901a\u5e38\u6d89\u53ca\u5230\u8ba1\u7b97\u63a5\u6536\u5230\u7684\u6570\u636e\u5e27\u4e0e\u9884\u671f\u7684\u6821\u9a8c\u7801\u662f\u5426\u5339\u914d\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u8fde\u63a5\u4f20\u8f93\u7ebf<\/strong>\uff1a\u4f7f\u7528\u53cc\u7ede\u7ebf\u6216\u5c4f\u853d\u7535\u7f06\u8fde\u63a5\u4e3b\u673a\u548c\u4ece\u673a\u4e4b\u95f4\u7684\u4f20\u8f93\u7ebf\u3002\u8fd9\u79cd\u8fde\u63a5\u65b9\u5f0f\u6709\u52a9\u4e8e\u51cf\u5c11\u4fe1\u53f7\u5e72\u6270\uff0c\u63d0\u9ad8\u901a\u4fe1\u7684\u53ef\u9760\u6027\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u8f6f\u4ef6\u914d\u7f6e<\/strong>\uff1a\u5982\u679c\u4f7f\u7528\u7684\u662f\u7279\u5b9a\u7684\u5fae\u63a7\u5236\u5668(\u5982STM32)\uff0c\u9700\u8981\u5728\u8f6f\u4ef6\u4e2d\u914d\u7f6e\u76f8\u5173\u7684\u901a\u4fe1\u63a5\u53e3\u548c\u6a21\u5757\u3002\u4f8b\u5982\uff0c\u5728\u4f7f\u7528Modbus\u534f\u8bae\u65f6\uff0c\u53ef\u80fd\u9700\u8981\u914d\u7f6e\u5b9a\u65f6\u5668\u6765\u5904\u7406\u6bcf\u4e00\u5e27\u6570\u636e\u4e4b\u95f4\u7684\u95f4\u9694\u65f6\u95f4\u3002<\/li>\n<\/ul>\n\n\n\n

    \u3000\u3000\u4e09\u3001 RS485\u534a\u53cc\u5de5\u901a\u4fe1\u6a21\u5f0f\u4e0b\u7684\u8f6e\u8be2\u548c\u54cd\u5e94\u63a7\u5236\u547d\u4ee4\u662f\u5982\u4f55\u5de5\u4f5c\u7684?<\/h2>\n\n\n\n

    \u3000\u3000\u5728RS485\u534a\u53cc\u5de5\u901a\u4fe1\u6a21\u5f0f\u4e0b\uff0c\u8f6e\u8be2\u548c\u54cd\u5e94\u63a7\u5236\u547d\u4ee4\u7684\u5de5\u4f5c\u539f\u7406\u6d89\u53ca\u5230\u4e3b\u4ece\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\u3002\u6211\u4eec\u53ef\u4ee5\u8be6\u7ec6\u89e3\u91ca\u8fd9\u4e00\u8fc7\u7a0b\u3002<\/p>\n\n\n\n

    \u3000\u3000\u9996\u5148\uff0cRS485\u534a\u53cc\u5de5\u901a\u4fe1\u6a21\u5f0f\u610f\u5473\u7740\u5728\u4efb\u4f55\u7ed9\u5b9a\u7684\u65f6\u95f4\u70b9\uff0c\u53ea\u6709\u4e00\u4e2a\u8bbe\u5907(\u4e3b\u8bbe\u5907\u6216\u4ece\u8bbe\u5907)\u53ef\u4ee5\u53d1\u9001\u6570\u636e\uff0c\u800c\u53e6\u4e00\u4e2a\u8bbe\u5907\u5219\u5904\u4e8e\u63a5\u6536\u72b6\u6001\u3002\u8fd9\u79cd\u6a21\u5f0f\u5141\u8bb8\u8bbe\u5907\u8f6e\u6d41\u8fdb\u884c\u6570\u636e\u7684\u53d1\u9001\u548c\u63a5\u6536\uff0c\u4f46\u4e0d\u80fd\u540c\u65f6\u8fdb\u884c\u3002<\/p>\n\n\n\n

    \u3000\u3000\u5728\u5b9e\u9645\u64cd\u4f5c\u4e2d\uff0c\u5f53\u4e3b\u8bbe\u5907\u9700\u8981\u4e0e\u591a\u4e2a\u4ece\u8bbe\u5907\u901a\u4fe1\u65f6\uff0c\u5b83\u4f1a\u6309\u7167\u9884\u5b9a\u7684\u8f6e\u8be2\u5468\u671f\u5bf9\u6bcf\u4e2a\u4ece\u8bbe\u5907\u53d1\u9001\u6570\u636e\u3002\u8fd9\u4e00\u8fc7\u7a0b\u79f0\u4e3a\u8f6e\u8be2\uff0c\u5373\u4e3b\u8bbe\u5907\u9010\u4e2a\u8be2\u95ee\u6bcf\u4e2a\u4ece\u8bbe\u5907\uff0c\u4ee5\u786e\u8ba4\u5b83\u4eec\u662f\u5426\u5b58\u5728\u5e76\u4e14\u662f\u5426\u51c6\u5907\u597d\u63a5\u6536\u6570\u636e\u3002\u6bcf\u4e2a\u4ece\u8bbe\u5907\u5728\u63a5\u6536\u5230\u8f6e\u8be2\u540e\uff0c\u5982\u679c\u6709\u6570\u636e\u8981\u53d1\u9001\uff0c\u5c31\u4f1a\u6839\u636e\u534f\u8bae\u8fd4\u56de\u76f8\u5e94\u7684\u547d\u4ee4\u6216\u6570\u636e\u4f5c\u4e3a\u54cd\u5e94\u3002<\/p>\n\n\n\n

    \u3000\u3000\u6b64\u5916\uff0cModbus485\u8f6e\u8be2\u6280\u672f\u662f\u57fa\u4e8e\u4e32\u884c\u901a\u4fe1\u7684\u534f\u8bae\uff0c\u5b83\u4f7f\u7528RS485\u603b\u7ebf\u4f5c\u4e3a\u7269\u7406\u5a92\u4ecb\uff0c\u652f\u6301\u591a\u70b9\u63a7\u5236\u548c\u591a\u70b9\u8f6e\u8be2\uff0c\u53ef\u4ee5\u5b9e\u73b0\u8bbe\u5907\u4e4b\u95f4\u7684\u53cc\u5411\u63a7\u5236\u3002\u8fd9\u79cd\u6280\u672f\u7684\u4e3b\u8981\u7279\u70b9\u662f\u9ad8\u53ef\u9760\u6027\u548c\u7b80\u5355\u7684\u7f51\u7edc\u7ed3\u6784\uff0c\u4f7f\u5f97\u5b83\u975e\u5e38\u9002\u5408\u5b9e\u73b0\u7a33\u5b9a\u7684\u8fdc\u7a0b\u63a7\u5236\u3002<\/p>\n\n\n\n

    \u3000\u3000\u5728\u5177\u4f53\u5b9e\u73b0\u4e0a\uff0c\u6bcf\u4e2a\u4ece\u7ad9\u53ef\u80fd\u4e0d\u5177\u6709\u552f\u4e00\u7684\u8bbe\u5907\u6807\u8bc6\u4fe1\u606f\uff0c\u56e0\u6b64\u9700\u8981\u901a\u8fc7\u534f\u8bae\u9a71\u52a8\u6765\u5b9e\u73b0\u591a\u7ad9\u70b9\u8f6e\u8be2\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u4eba\u4e3a\u5730\u5bf9\u6bcf\u4e2a\u7ad9\u505a\u51fa\u6807\u8bc6\uff0c\u5e76\u5728\u4e3b\u7ad9\u901a\u8fc7ASCII\u534f\u8bae\u9a71\u52a8\u6765\u533a\u5206\u548c\u8bc6\u522b\u7f51\u7edc\u4e0a\u7684\u6570\u636e\u5e27\uff0c\u4ece\u800c\u786e\u5b9a\u54ea\u4e2a\u7ad9\u9700\u8981\u505a\u51fa\u54cd\u5e94\u3002<\/p>\n\n\n\n

    \u3000\u3000RS485\u534a\u53cc\u5de5\u901a\u4fe1\u6a21\u5f0f\u4e0b\u7684\u8f6e\u8be2\u548c\u54cd\u5e94\u63a7\u5236\u547d\u4ee4\u5de5\u4f5c\u539f\u7406\u662f\uff1a\u4e3b\u8bbe\u5907\u901a\u8fc7\u8f6e\u8be2\u5468\u671f\u5411\u6240\u6709\u4ece\u8bbe\u5907\u53d1\u9001\u6570\u636e\u8bf7\u6c42\uff0c\u4ece\u8bbe\u5907\u5728\u63a5\u6536\u5230\u8bf7\u6c42\u540e\uff0c\u5982\u679c\u6709\u6570\u636e\u51c6\u5907\u53d1\u9001\uff0c\u5219\u6309\u7167\u534f\u8bae\u8fd4\u56de\u76f8\u5e94\u7684\u54cd\u5e94\u3002<\/p>\n\n\n\n

    \u3000\u3000\u56db\u3001 \u5728RS485\u7cfb\u7edf\u4e2d\uff0c\u5982\u4f55\u5904\u7406\u5916\u90e8\u5e72\u6270\u4ee5\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u7684\u7a33\u5b9a\u6027?<\/h2>\n\n\n\n

    \u3000\u3000\u5728RS485\u7cfb\u7edf\u4e2d\u5904\u7406\u5916\u90e8\u5e72\u6270\u4ee5\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u7684\u7a33\u5b9a\u6027\uff0c\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u51e0\u79cd\u63aa\u65bd\uff1a<\/p>\n\n\n\n

      \n
    • \u3000\u3000\u589e\u52a0\u94c1\u6c27\u4f53\u78c1\u73af\u5438\u6536\u5e72\u6270<\/strong>\uff1a\u5728\u8bbe\u5907\u5165\u53e3\u7aef\u589e\u52a0\u94c1\u6c27\u4f53\u78c1\u73af\u53ef\u4ee5\u6709\u6548\u5438\u6536\u5e72\u6270\uff0c\u8fd9\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u6297\u5e72\u6270\u63aa\u65bd\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u4f7f\u7528\u5dee\u5206\u4f20\u8f93\u6280\u672f<\/strong>\uff1aRS485\u91c7\u7528\u5dee\u5206\u4f20\u8f93\u65b9\u5f0f\u6765\u5e94\u5bf9\u5171\u6a21\u5e72\u6270\u3002\u8fd9\u79cd\u65b9\u5f0f\u901a\u8fc7\u5728\u53d1\u9001\u7aef\u548c\u63a5\u6536\u7aef\u4e4b\u95f4\u5efa\u7acb\u7535\u52bf\u5dee\uff0c\u51cf\u5c11\u4e86\u5916\u90e8\u5e72\u6270\u5bf9\u4fe1\u53f7\u7684\u5f71\u54cd\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u7535\u8def\u9694\u79bb<\/strong>\uff1a\u5728\u7535\u8def\u4e2d\u52a0\u5165\u9694\u79bb\u662f\u63d0\u9ad8\u603b\u7ebf\u6297\u6270\u5ea6\u7684\u4e00\u79cd\u5e38\u7528\u65b9\u6cd5\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u7269\u7406\u6216\u5149\u7535\u9694\u79bb\u5b9e\u73b0\uff0c\u4ee5\u9632\u6b62\u5e72\u6270\u8026\u5408\u5230RS-485\u603b\u7ebf\u4e0a\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u8c10\u632f\u6291\u5236<\/strong>\uff1a\u901a\u8fc7\u52a0\u5165\u7ec8\u7aef\u7535\u963b\u548c\u8c10\u632f\u56de\u8def\uff0c\u53ef\u4ee5\u6291\u5236\u603b\u7ebf\u4e0a\u7684\u8c10\u632f\u4ea7\u751f\uff0c\u4ece\u800c\u907f\u514d\u56e0\u8c10\u632f\u5f15\u8d77\u7684\u5e72\u6270\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u4fe1\u53f7\u5c4f\u853d<\/strong>\uff1a\u4f7f\u7528\u7535\u78c1\u5c4f\u853d\u6750\u6599\u5bf9\u603b\u7ebf\u8fdb\u884c\u5c4f\u853d\uff0c\u9632\u6b62\u5916\u90e8\u7535\u78c1\u5e72\u6270\u8fdb\u5165\u603b\u7ebf\u3002\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u6709\u6548\u5730\u9694\u79bb\u5e72\u6270\u6e90\u548c\u901a\u4fe1\u7ebf\u8def\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u6ee4\u6ce2\u3001\u5438\u6536\u6216\u9694\u79bb\u5171\u6a21\u5e72\u6270<\/strong>\uff1a\u5bf9\u4e8e\u8109\u51b2\u7fa4\u7b49\u5171\u6a21\u5e72\u6270\uff0c\u53ef\u4ee5\u91c7\u7528\u6ee4\u6ce2\u3001\u5438\u6536\u6216\u8005\u9694\u79bb\u7684\u65b9\u5f0f\u8fdb\u884c\u6291\u5236\u3002\u8fd9\u4e9b\u63aa\u65bd\u6709\u52a9\u4e8e\u51cf\u5c11\u5e72\u6270\u5bf9\u901a\u4fe1\u8d28\u91cf\u7684\u5f71\u54cd\u3002<\/li>\n<\/ul>\n\n\n\n

      \u3000\u3000\u4e94\u3001 RS485\u5728\u4e00\u4e3b\u591a\u4ece\u5de5\u4f5c\u65b9\u5f0f\u4e0b\u7684\u6027\u80fd\u9650\u5236\u548c\u6311\u6218\u6709\u54ea\u4e9b?<\/h2>\n\n\n\n

      \u3000\u3000RS485\u5728\u4e00\u4e3b\u591a\u4ece\u5de5\u4f5c\u65b9\u5f0f\u4e0b\u7684\u6027\u80fd\u9650\u5236\u548c\u6311\u6218\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n\n\n\n

        \n
      • \u3000\u3000\u901a\u4fe1\u8ddd\u79bb\u548c\u8282\u70b9\u6570\u91cf\u7684\u9650\u5236<\/strong>\uff1a\u867d\u7136RS485\u652f\u6301\u8f83\u957f\u7684\u901a\u4fe1\u8ddd\u79bb\uff0c\u4f46\u5176\u8282\u70b9\u6570\u91cf\u53d7\u5230\u786c\u4ef6\u6027\u80fd\u7684\u9650\u5236\u3002\u7406\u8bba\u4e0a\uff0c\u6bcf\u6bb5RS485\u6700\u591a\u53ef\u4ee5\u63a5\u5165128\u4e2a\u8282\u70b9\u3002\u8fd9\u610f\u5473\u7740\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5982\u679c\u9700\u8981\u8fde\u63a5\u66f4\u591a\u7684\u4ece\u7ad9\uff0c\u53ef\u80fd\u9700\u8981\u589e\u52a0\u4e2d\u7ee7\u8f6c\u6362\u5668\u6216\u4f7f\u7528\u66f4\u9ad8\u7ea7\u522b\u7684RS485\u53d8\u4f53\uff0c\u5982RS485A2.<\/li>\n\n\n\n
      • \u3000\u3000\u5e27\u540c\u6b65\u95ee\u9898<\/strong>\uff1a\u5728\u4e00\u4e3b\u591a\u4ece\u7684\u914d\u7f6e\u4e2d\uff0c\u5e27\u540c\u6b65\u662f\u4e00\u4e2a\u5173\u952e\u95ee\u9898\u3002\u6bcf\u4e2a\u6570\u636e\u5b57\u8282\u7684\u957f\u5ea6\u548c\u987a\u5e8f\u5fc5\u987b\u4e25\u683c\u63a7\u5236\uff0c\u4ee5\u786e\u4fdd\u6b63\u786e\u7684\u5e27\u683c\u5f0f\u88ab\u7ef4\u6301\u3002\u4efb\u4f55\u504f\u5dee\u90fd\u53ef\u80fd\u5bfc\u81f4\u6570\u636e\u4f20\u8f93\u9519\u8bef\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u7535\u6c14\u7279\u6027\u548c\u63a5\u7ebf\u8981\u6c42<\/strong>\uff1aRS485\u6807\u51c6\u89c4\u5b9a\u4e86\u5e73\u8861\u53d1\u9001\u5668\u548c\u63a5\u6536\u5668\u7684\u7535\u7279\u6027\uff0c\u4f46\u6ca1\u6709\u8be6\u7ec6\u89c4\u5b9a\u63a5\u63d2\u4ef6\u3001\u4f20\u8f93\u7535\u7f06\u548c\u5e94\u7528\u5c42\u901a\u4fe1\u534f\u8bae\u3002\u8fd9\u5c31\u8981\u6c42\u5728\u8bbe\u8ba1\u548c\u5b9e\u65bd\u65f6\uff0c\u5bf9\u8fd9\u4e9b\u7ec4\u4ef6\u7684\u9009\u62e9\u548c\u914d\u7f6e\u9700\u8981\u7279\u522b\u6ce8\u610f\uff0c\u4ee5\u786e\u4fdd\u6574\u4f53\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u591a\u4e3b\u7ad9\u901a\u4fe1\u95ee\u9898<\/strong>\uff1aRS485\u4e0d\u652f\u6301\u591a\u4e2a\u4e3b\u7ad9\u540c\u65f6\u4e0e\u4e00\u4e2a\u6216\u591a\u4e2a\u4ece\u7ad9\u8fdb\u884c\u901a\u4fe1\u3002\u5982\u679c\u5b58\u5728\u591a\u4e2a\u4e3b\u7ad9\u5c1d\u8bd5\u4e0e\u540c\u4e00\u7ec4\u4ece\u7ad9\u901a\u4fe1\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u901a\u4fe1\u51b2\u7a81\u548c\u6570\u636e\u4e22\u5931\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u534a\u53cc\u5de5\u901a\u4fe1\u9650\u5236<\/strong>\uff1aRS485\u662f\u4e00\u79cd\u534a\u53cc\u5de5\u901a\u4fe1\u65b9\u5f0f\uff0c\u5373\u8bbe\u5907\u5728\u53d1\u9001\u6570\u636e\u65f6\u4e0d\u80fd\u63a5\u6536\u6570\u636e\u3002\u8fd9\u79cd\u7279\u6027\u5728\u4e00\u4e3b\u591a\u4ece\u7684\u914d\u7f6e\u4e2d\u5c24\u4e3a\u91cd\u8981\uff0c\u56e0\u4e3a\u5b83\u9650\u5236\u4e86\u901a\u4fe1\u7684\u7075\u6d3b\u6027\u548c\u6548\u7387\u3002<\/li>\n<\/ul>\n\n\n\n

        \u3000\u3000\u603b\u7ed3\u6765\u8bf4\uff0cRS485\u5728\u4e00\u4e3b\u591a\u4ece\u5de5\u4f5c\u65b9\u5f0f\u4e0b\u9762\u4e34\u7684\u4e3b\u8981\u6311\u6218\u5305\u62ec\u8282\u70b9\u6570\u91cf\u548c\u901a\u4fe1\u8ddd\u79bb\u7684\u9650\u5236\u3001\u5e27\u540c\u6b65\u95ee\u9898\u3001\u7535\u6c14\u7279\u6027\u7684\u7cbe\u786e\u8981\u6c42\u3001\u591a\u4e3b\u7ad9\u901a\u4fe1\u7684\u9650\u5236\u4ee5\u53ca\u534a\u53cc\u5de5\u901a\u4fe1\u7684\u56fa\u6709\u5c40\u9650\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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