{"id":99430,"date":"2024-11-21T16:30:56","date_gmt":"2024-11-21T08:30:56","guid":{"rendered":"\/\/www.viralrail.com\/?p=99430"},"modified":"2024-11-21T16:31:01","modified_gmt":"2024-11-21T08:31:01","slug":"ckxyynjz-2","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/99430.html","title":{"rendered":"\u4e32\u53e3\u534f\u8bae\u6709\u54ea\u51e0\u79cd\uff1f"},"content":{"rendered":"\n

\u3000\u3000\u4e32\u53e3\u534f\u8bae\u53ef\u4ee5\u5206\u4e3a\u5185\u90e8\u901a\u4fe1\u7cfb\u7edf\u534f\u8bae\u548c\u7cfb\u7edf\u95f4\u534f\u8bae\u4e24\u5927\u7c7b\u3002<\/strong>\u5185\u90e8\u7cfb\u7edf\u534f\u8bae\u5305\u62ecCAN\u534f\u8bae\u3001I2C\u534f\u8bae\u548cSPI\u534f\u8bae;\u7cfb\u7edf\u95f4\u534f\u8bae\u5219\u5305\u62ecUSART\u534f\u8bae\u3001UART\u534f\u8bae\u548cUSB\u534f\u8bae\u3002<\/p>\n\n\n\n

\u3000\u3000\u6b64\u5916\uff0c\u8fd8\u6709\u4e00\u4e9b\u5e38\u89c1\u7684\u4e32\u53e3\u901a\u4fe1\u6807\u51c6\uff0c\u5982RS-232\u3001RS-485\u548cRS-422.\u8fd9\u4e9b\u6807\u51c6\u4e3b\u8981\u7528\u4e8e\u5b9a\u4e49\u7535\u6c14\u7279\u6027\uff0c\u800c\u4e0d\u6d89\u53ca\u5177\u4f53\u7684\u534f\u8bae\u7ec6\u8282\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728\u82af\u7247\u7ea7\u522b\uff0c\u5e38\u89c1\u7684\u4e32\u884c\u534f\u8bae\u6709SPI\u548cI2C\u3002SPI\u534f\u8bae\u662f\u4e00\u79cd\u7528\u4e8e\u96c6\u6210\u7535\u8def\u95f4\u901a\u4fe1\u7684\u5355\u7aef\u4e32\u884c\u63a5\u53e3\uff0c\u901a\u5e38\u9700\u8981\u56db\u7ebfMOSI\u3001MISO\u3001SS\u548cSCLK\u3002I2C\u534f\u8bae\u5219\u662f\u4e00\u79cd\u591a\u4e3b\u673a\u603b\u7ebf\uff0c\u9002\u7528\u4e8e\u9700\u8981\u5305\u542b\u591a\u4e2a\u82af\u7247\u7684\u603b\u7ebf\u3002<\/p>\n\n\n\n

\u3000\u3000\u8fd8\u6709\u4e00\u4e9b\u7528\u6237\u5c42\u534f\u8bae\uff0c\u5982Modbus\u534f\u8bae\uff0c\u5b83\u6700\u521d\u7531Modicon\u516c\u53f8\u5f00\u53d1\uff0c\u5e76\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5de5\u4e1a\u9886\u57df\u3002\u6b64\u5916\uff0c\u8fd8\u6709XMODEM\u3001YMODEM\u548cZModem\u7b49\u6587\u4ef6\u4f20\u8f93\u534f\u8bae\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e32\u53e3\u534f\u8bae\u79cd\u7c7b\u7e41\u591a\uff0c\u6db5\u76d6\u4e86\u4ece\u5185\u90e8\u82af\u7247\u901a\u4fe1\u5230\u7cfb\u7edf\u95f4\u901a\u4fe1\u7684\u5404\u4e2a\u65b9\u9762\u3002\u5e38\u89c1\u7684\u4e32\u53e3\u534f\u8bae\u5305\u62ec\u4f46\u4e0d\u9650\u4e8eCAN\u3001I2C\u3001SPI\u3001USART\u3001UART\u3001USB\u3001RS-232\u3001RS-485\u548cRS-422\u7b49\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001 \u4e32\u53e3\u534f\u8baeCAN\u3001I2C\u548cSPI\u7684\u5177\u4f53\u5de5\u4f5c\u539f\u7406\u548c\u5e94\u7528\u573a\u666f<\/h2>\n\n\n\n

\u3000\u3000\u4e32\u53e3\u534f\u8baeCAN\u3001I2C\u548cSPI\u7684\u5177\u4f53\u5de5\u4f5c\u539f\u7406\u548c\u5e94\u7528\u573a\u666f\u5982\u4e0b\uff1a<\/p>\n\n\n\n

\u3000\u30001. CAN\uff08Controller Area Network\uff09\u534f\u8bae<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u5de5\u4f5c\u539f\u7406<\/strong>\uff1aCAN\u603b\u7ebf\u662f\u4e00\u79cd\u5dee\u5206\u4e32\u884c\u603b\u7ebf\uff0c\u6700\u521d\u7528\u4e8e\u6c7d\u8f66\u5e94\u7528\uff0c\u73b0\u5728\u4e5f\u5e38\u7528\u4e8e\u822a\u7a7a\u822a\u5929\u7cfb\u7edf\u548c\u5176\u4ed6\u5e94\u7528\u4e2d\u3002\u8be5\u603b\u7ebf\u7531\u7ec8\u6b62\u7684\u53cc\u7ede\u7ebf\u4fe1\u53f7\u7ebfCAN H\u548cCAN L\u4ee5\u53ca\u5730\u7ebf\u7ec4\u6210\u3002\u6d88\u606f\u6807\u8bc6\u7b26\u662f\u7528\u4e8e\u6807\u8bc6\u6d88\u606f\u5185\u5bb9\u7684\u6807\u7b7e\uff0c\u53d1\u9001\u7ed9\u603b\u7ebf\u4e0a\u7684\u6bcf\u4e2a\u8282\u70b9\u3002\u6bcf\u4e2a\u63a5\u6536\u8282\u70b9\u90fd\u4f1a\u5bf9\u6807\u8bc6\u7b26\u8fdb\u884c\u6d4b\u8bd5\uff0c\u4ee5\u786e\u5b9a\u5176\u662f\u5426\u4e0e\u8be5\u8282\u70b9\u76f8\u5173\uff0c\u4ece\u800c\u4f18\u5148\u5904\u7406\u6d88\u606f\u3002\u6240\u6709\u603b\u7ebf\u4e0a\u7684\u8282\u70b9\u90fd\u53ef\u4ee5\u4f20\u8f93\u548c\u63a5\u6536\u6d88\u606f\u3002\u5f53\u5904\u7406\u5230\u6700\u9ad8\u4f18\u5148\u7ea7\u7684(\u5360\u4f18)\u6d88\u606f\u65f6\uff0c\u5c31\u4f1a\u91cd\u65b0\u4f20\u8f93\u4f4e\u4f18\u5148\u7ea7\u6d88\u606f\u3002<\/p>\n\n\n\n

\u3000\u3000\u5e94\u7528\u573a\u666f<\/strong>\uff1aCAN\u534f\u8bae\u5e7f\u6cdb\u5e94\u7528\u4e8e\u6c7d\u8f66\u7535\u5b50\u3001\u822a\u7a7a\u548c\u533b\u7597\u7cfb\u7edf\u4e2d\uff0c\u7528\u4e8e\u667a\u80fd\u4f20\u611f\u5668\u4e4b\u95f4\u7684\u901a\u4fe1\u3002<\/p>\n\n\n\n

\u3000\u30002. I2C\uff08Inter-Integrated Circuits\uff09\u534f\u8bae<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u5de5\u4f5c\u539f\u7406<\/strong>\uff1aI2C\u534f\u8bae\u5141\u8bb8\u591a\u4e2a\u8bbe\u5907\u901a\u8fc7\u4e00\u4e2a\u6216\u591a\u4e2a\u4e3b\u8bbe\u5907\u8fdb\u884c\u8fde\u63a5\u3002\u8fd9\u79cd\u4e32\u884c\u901a\u4fe1\u7528\u4e8e\u76f8\u540cPCB\u57fa\u7840\u7684\u4e24\u4e2a\u96c6\u6210\u7535\u8def\u4e4b\u95f4\u7684\u77ed\u8ddd\u79bb\u901a\u4fe1\u3002I2C\u4f7f\u7528\u4e24\u6761\u53cc\u5411\u4f20\u8f93\u7ebf\u8fdb\u884c\u6570\u636e\u4f20\u8f93\uff0c\u652f\u6301\u9ad8\u8fbe3.4 Mbps\u7684\u6570\u636e\u4f20\u8f93\u901f\u5ea6\u3002\u5728\u4ece\u4e3b\u673a\u5230\u4ece\u8bbe\u5907\u7684\u6570\u636e\u4f20\u8f93\u4e2d\uff0c\u4e3b\u673a\u53d1\u9001\u8d77\u59cb\u4f4d\u3001\u4ece\u8bbe\u5907\u5730\u5740\u548c\u5199\u5165\u4f4d\uff0c\u7136\u540e\u7b49\u5f85\u6765\u81ea\u4ece\u8bbe\u5907\u7684\u786e\u8ba4\u4fe1\u53f7\uff0c\u7136\u540e\u53d1\u9001\u6570\u636e\u5e76\u518d\u6b21\u7b49\u5f85\u786e\u8ba4\u4fe1\u53f7\uff0c\u6700\u540e\u53d1\u9001\u505c\u6b62\u4f4d\u3002\u76f8\u53cd\uff0c\u5f53\u4e3b\u673a\u9700\u8981\u4ece\u4ece\u8bbe\u5907\u68c0\u7d22\u6570\u636e\u65f6\uff0c\u5b83\u4f1a\u53d1\u9001\u8d77\u59cb\u4f4d\u3001\u5730\u5740\u548c\u8bfb\u53d6\u4f4d\uff0c\u4ece\u8bbe\u5907\u54cd\u5e94\u786e\u8ba4\u4fe1\u53f7\u540e\uff0c\u4e3b\u673a\u53d1\u9001\u786e\u8ba4\u4fe1\u53f7\u548c\u505c\u6b62\u4f4d\u3002<\/p>\n\n\n\n

\u3000\u3000\u5e94\u7528\u573a\u666f<\/strong>\uff1aI2C\u901a\u5e38\u7528\u4e8e\u8fde\u63a5\u4f4e\u901f\u8bbe\u5907\uff0c\u5982\u4f20\u611f\u5668\u3001\u5b58\u50a8\u5668\u7b49\u3002<\/p>\n\n\n\n

\u3000\u30003. SPI\uff08Serial Peripheral Interface\uff09\u534f\u8bae<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u5de5\u4f5c\u539f\u7406<\/strong>\uff1aSPI\u534f\u8bae\u662f\u4e00\u79cd\u5e7f\u6cdb\u4f7f\u7528\u7684\u4e32\u884c\u63a5\u53e3\u6807\u51c6\uff0c\u652f\u6301\u9ad8\u8fbe100 Mbps\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\u3002SPI\u4ee5\u4e3b\u4ece\u65b9\u5f0f\u5de5\u4f5c\uff0c\u901a\u5e38\u6709\u4e00\u4e2a\u4e3b\u8bbe\u5907\u548c\u4e00\u4e2a\u6216\u591a\u4e2a\u4ece\u8bbe\u5907\uff0c\u9700\u8981\u81f3\u5c114\u6839\u7ebf\u5b8c\u6210MCU\u4e0e\u5404\u79cd\u5916\u56f4\u5668\u4ef6\u7684\u901a\u8baf\u3002\u5728\u4ece\u4e3b\u673a\u5230\u4ece\u8bbe\u5907\u7684\u6570\u636e\u4f20\u8f93\u4e2d\uff0c\u4e3b\u673a\u53d1\u9001\u8d77\u59cb\u4f4d\u3001\u4ece\u8bbe\u5907\u5730\u5740\u548c\u5199\u5165\u4f4d\uff0c\u7136\u540e\u7b49\u5f85\u6765\u81ea\u4ece\u8bbe\u5907\u7684\u786e\u8ba4\u4fe1\u53f7\uff0c\u7136\u540e\u53d1\u9001\u6570\u636e\u5e76\u518d\u6b21\u7b49\u5f85\u786e\u8ba4\u4fe1\u53f7\uff0c\u6700\u540e\u53d1\u9001\u505c\u6b62\u4f4d\u3002\u76f8\u53cd\uff0c\u5f53\u4e3b\u673a\u9700\u8981\u4ece\u4ece\u8bbe\u5907\u68c0\u7d22\u6570\u636e\u65f6\uff0c\u5b83\u4f1a\u53d1\u9001\u8d77\u59cb\u4f4d\u3001\u5730\u5740\u548c\u8bfb\u53d6\u4f4d\uff0c\u4ece\u8bbe\u5907\u54cd\u5e94\u786e\u8ba4\u4fe1\u53f7\u540e\uff0c\u4e3b\u673a\u53d1\u9001\u786e\u8ba4\u4fe1\u53f7\u548c\u505c\u6b62\u4f4d\u3002<\/p>\n\n\n\n

\u3000\u3000\u5e94\u7528\u573a\u666f<\/strong>\uff1aSPI\u7528\u4e8eCPU\u4e0e\u5404\u79cd\u5916\u56f4\u5668\u4ef6\u8fdb\u884c\u5168\u53cc\u5de5\u3001\u540c\u6b65\u4e32\u884c\u901a\u8baf\uff0c\u53ef\u4ee5\u540c\u65f6\u53d1\u51fa\u548c\u63a5\u6536\u4e32\u884c\u6570\u636e\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001 USART\u548cUART\u534f\u8bae\u5728\u73b0\u4ee3\u901a\u4fe1\u7cfb\u7edf\u4e2d\u7684\u89d2\u8272\u548c\u4f18\u52bf<\/h2>\n\n\n\n

\u3000\u3000USART\u548cUART\u534f\u8bae\u5728\u73b0\u4ee3\u901a\u4fe1\u7cfb\u7edf\u4e2d\u626e\u6f14\u7740\u91cd\u8981\u7684\u89d2\u8272\uff0c\u5e76\u5177\u6709\u5404\u81ea\u7684\u4f18\u52bf\u3002<\/p>\n\n\n\n

\u3000\u30001. USART\u7684\u89d2\u8272\u548c\u4f18\u52bf\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u9ad8\u901f\u6570\u636e\u4f20\u8f93<\/strong>\uff1aUSART\u652f\u6301\u9ad8\u6ce2\u7279\u7387\u80fd\u529b\uff0c\u53ef\u4ee5\u8fbe\u5230\u6570\u5343Kbps\uff0c\u8fd9\u4f7f\u5f97\u5b83\u80fd\u591f\u6ee1\u8db3\u5927\u591a\u6570\u5e94\u7528\u573a\u666f\u7684\u9700\u6c42\u3002<\/p>\n\n\n\n

\u3000\u3000\u591a\u79cd\u901a\u4fe1\u6a21\u5f0f<\/strong>\uff1aUSART\u652f\u6301\u5f02\u6b65\u548c\u540c\u6b65\u6a21\u5f0f\uff0c\u8fd9\u4f7f\u5f97\u5b83\u5728\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u4e0b\u90fd\u80fd\u7075\u6d3b\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u5728\u540c\u6b65\u6a21\u5f0f\u4e0b\uff0cUSART\u53ef\u4ee5\u901a\u8fc7\u81ea\u5e26\u7684\u6ce2\u7279\u7387\u53d1\u751f\u5668\u4ea7\u751f\u4e0d\u540c\u7684\u6ce2\u7279\u7387\uff0c\u800c\u5728\u5f02\u6b65\u6a21\u5f0f\u4e0b\uff0c\u5219\u53ef\u4ee5\u8fdb\u884c\u5168\u53cc\u5de5\u6570\u636e\u901a\u4fe1\u3002<\/p>\n\n\n\n

\u3000\u3000\u591a\u8def\u6570\u636e\u4f20\u8f93<\/strong>\uff1aUSART\u53ef\u4ee5\u540c\u65f6\u4f20\u8f93\u591a\u8def\u6570\u636e\uff0c\u5e76\u4e14\u53ef\u4ee5\u5728\u4e0d\u540c\u7684\u786c\u4ef6\u7cfb\u7edf\u4e2d\u4f7f\u7528\uff0c\u8fd9\u63d0\u9ad8\u4e86\u5176\u5728\u590d\u6742\u7f51\u7edc\u73af\u5883\u4e2d\u7684\u9002\u7528\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000\u6269\u5c55\u529f\u80fd<\/strong>\uff1aUSART\u5177\u6709\u591a\u79cd\u6269\u5c55\u529f\u80fd\uff0c\u5982LIN\u6a21\u5f0f\u3001\u667a\u80fd\u5361\u534f\u8bae\u3001IrDA SIR ENDEC\u89c4\u8303\u4ee5\u53ca\u8c03\u5236\u89e3\u8c03\u5668\u64cd\u4f5c\u7b49\uff0c\u8fd9\u4e9b\u529f\u80fd\u4f7f\u5176\u80fd\u591f\u9002\u5e94\u5404\u79cd\u7279\u5b9a\u7684\u5e94\u7528\u9700\u6c42\u3002<\/p>\n\n\n\n

\u3000\u3000\u4f4e\u529f\u8017\u6a21\u5f0f<\/strong>\uff1aUSART\u53ef\u4ee5\u5728\u4f4e\u529f\u8017\u6a21\u5f0f\u4e0b\u8fd0\u884c\uff0c\u4ee5\u8282\u7701\u7535\u529b\u548c\u964d\u4f4e\u80fd\u8017\uff0c\u8fd9\u5bf9\u4e8e\u9700\u8981\u957f\u65f6\u95f4\u8fd0\u884c\u7684\u8bbe\u5907\u5c24\u4e3a\u91cd\u8981\u3002<\/p>\n\n\n\n

\u3000\u30002. UART\u7684\u89d2\u8272\u548c\u4f18\u52bf\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u7b80\u5355\u6613\u7528<\/strong>\uff1aUART\u4e0d\u9700\u8981\u7edf\u4e00\u7684\u65f6\u949f\u7ebf\uff0c\u63a5\u7ebf\u66f4\u52a0\u65b9\u4fbf\u3002\u8fd9\u79cd\u7279\u6027\u4f7f\u5f97UART\u5728\u7b80\u5355\u7684\u901a\u4fe1\u573a\u666f\u4e2d\u975e\u5e38\u5b9e\u7528\u3002<\/p>\n\n\n\n

\u3000\u3000\u6ce2\u7279\u7387\u7ea6\u5b9a<\/strong>\uff1a\u867d\u7136UART\u9700\u8981\u53cc\u65b9\u4e8b\u5148\u7ea6\u5b9a\u597d\u6ce2\u7279\u7387\uff0c\u4f46\u8fd9\u79cd\u7ea6\u5b9a\u76f8\u5bf9\u7b80\u5355\uff0c\u4e14\u4e0d\u9700\u8981\u989d\u5916\u7684\u786c\u4ef6\u652f\u6301\uff0c\u4ece\u800c\u964d\u4f4e\u4e86\u7cfb\u7edf\u7684\u590d\u6742\u5ea6\u3002<\/p>\n\n\n\n

\u3000\u3000\u5e7f\u6cdb\u7684\u5e94\u7528<\/strong>\uff1a\u7531\u4e8e\u5176\u7b80\u5355\u6027\u548c\u7075\u6d3b\u6027\uff0cUART\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u79cd\u5d4c\u5165\u5f0f\u7cfb\u7edf\u548c\u7269\u8054\u7f51\u8bbe\u5907\u4e2d\uff0c\u7279\u522b\u662f\u5728\u4e0d\u9700\u8981\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u7684\u573a\u666f\u4e2d\u3002<\/p>\n\n\n\n

\u3000\u3000USART\u548cUART\u5404\u6709\u5176\u72ec\u7279\u7684\u4f18\u52bf\u548c\u5e94\u7528\u573a\u666f\u3002USART\u4ee5\u5176\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u3001\u591a\u79cd\u901a\u4fe1\u6a21\u5f0f\u548c\u6269\u5c55\u529f\u80fd\uff0c\u5728\u9700\u8981\u9ad8\u6027\u80fd\u548c\u591a\u529f\u80fd\u7684\u901a\u4fe1\u7cfb\u7edf\u4e2d\u5360\u636e\u91cd\u8981\u5730\u4f4d\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e09\u3001 USB\u534f\u8bae\u4e0e\u5176\u4ed6\u4e32\u53e3\u534f\u8bae\u76f8\u6bd4\uff0c\u5176\u7279\u70b9\u548c\u5e94\u7528\u9886\u57df<\/h2>\n\n\n\n

\u3000\u3000USB\u534f\u8bae\u4e0e\u5176\u4ed6\u4e32\u53e3\u534f\u8bae\u76f8\u6bd4\uff0c\u5177\u6709\u4ee5\u4e0b\u7279\u70b9\u548c\u5e94\u7528\u9886\u57df\uff1a<\/p>\n\n\n\n

    \n
  • \u3000\u3000\u9ad8\u901f\u6570\u636e\u4f20\u8f93<\/strong>\uff1aUSB\u534f\u8bae\u652f\u6301\u9ad8\u901f\u6570\u636e\u4f20\u8f93\uff0c\u6bd4\u4f20\u7edf\u7684\u4e32\u884c\u548c\u5e76\u884c\u63a5\u53e3\u66f4\u5feb\u3002USB\u63a5\u53e3\u652f\u6301\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\u4ece\u4f4e\u901f\u76841.5 Mbps\u5230\u9ad8\u901f\u7684480 Mbps(USB 2.0\u89c4\u8303)\uff0c\u8fdc\u9ad8\u4e8e\u4e00\u822c\u7684\u4e32\u884c\u603b\u7ebf\u63a5\u53e3\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u591a\u79cd\u8bbe\u5907\u652f\u6301<\/strong>\uff1aUSB\u534f\u8bae\u53ef\u4ee5\u8fde\u63a5\u4e0d\u540c\u7c7b\u578b\u548c\u529f\u80fd\u7684\u8bbe\u5907\uff0c\u5305\u62ec\u5b58\u50a8\u8bbe\u5907\u3001\u6253\u5370\u673a\u3001\u6444\u50cf\u5934\u3001\u97f3\u9891\u8bbe\u5907\u3001\u952e\u76d8\u3001\u9f20\u6807\u7b49\u3002\u5b83\u9002\u7528\u4e8e\u591a\u79cd\u8bbe\u5907\uff0c\u5982\u6570\u7801\u76f8\u673a\u3001MP3\u64ad\u653e\u5668\u3001\u9ad8\u901f\u6570\u636e\u91c7\u96c6\u8bbe\u5907\u7b49\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u6613\u4e8e\u4f7f\u7528<\/strong>\uff1aUSB\u63a5\u53e3\u6613\u4e8e\u4f7f\u7528\uff0c\u652f\u6301\u70ed\u62d4\u63d2\uff0c\u5e76\u4e14\u6240\u6709\u7684\u914d\u7f6e\u8fc7\u7a0b\u90fd\u7531\u7cfb\u7edf\u81ea\u52a8\u5b8c\u6210\uff0c\u65e0\u9700\u7528\u6237\u5e72\u9884\u3002USB\u91c7\u7528\u4e3b\u673a-\u8bbe\u5907\u67b6\u6784\uff0c\u5f53\u4e24\u4e2a\u8bbe\u5907\u8fde\u63a5\u5230\u4e3b\u673a\u65f6\uff0c\u4f1a\u81ea\u52a8\u68c0\u6d4b\u5e76\u914d\u7f6e\u53cc\u65b9\u652f\u6301\u7684\u914d\u7f6e\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u5373\u63d2\u5373\u7528\u548c\u70ed\u63d2\u62d4\u6280\u672f<\/strong>\uff1aUSB\u652f\u6301\u5373\u63d2\u5373\u7528\u548c\u70ed\u63d2\u62d4\u6280\u672f\uff0c\u81ea\u52a8\u8bc6\u522b\u5e76\u52a0\u8f7d\u9a71\u52a8\u7a0b\u5e8f\uff0c\u65e0\u9700\u7528\u6237\u624b\u52a8\u914d\u7f6e\u6216\u91cd\u542f\u8ba1\u7b97\u673a\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u6269\u5c55\u8fde\u63a5\u65b9\u5f0f<\/strong>\uff1aUSB\u91c7\u7528\u201c\u83ca\u82b1\u94fe\u201d\u5f0f\u6269\u5c55\u8fde\u63a5\u65b9\u5f0f\uff0c\u652f\u6301\u591a\u4e2a\u5916\u8bbe\u8fde\u63a5\uff0c\u4e00\u4e2a\u4e3b\u63a7\u5236\u5668\u53ef\u8fde\u63a5\u6700\u591a126\u4e2a\u5916\u90e8\u8bbe\u5907\uff0c\u6781\u5927\u63d0\u5347\u4e86\u8bbe\u5907\u548c\u529f\u80fd\u6269\u5c55\u80fd\u529b\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u8282\u7701\u7cfb\u7edf\u786c\u4ef6\u8d44\u6e90<\/strong>\uff1aUSB\u901a\u8fc7\u5206\u914dIRQ\u7ebf\u548cI\/O\u5730\u5740\uff0c\u8282\u7701\u7cfb\u7edf\u786c\u4ef6\u8d44\u6e90\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u5916\u90e8\u4f9b\u7535\u80fd\u529b<\/strong>\uff1aUSB\u5177\u5907\u5916\u90e8\u4f9b\u7535\u80fd\u529b\uff0c\u6700\u5927\u8f93\u51fa500mA\u7535\u6d41\uff0c\u7b26\u5408\u5fae\u5904\u7406\u5668\u7cfb\u7edf\u9700\u6c42\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u5411\u4e0b\u517c\u5bb9\u6027<\/strong>\uff1aUSB\u5177\u6709\u826f\u597d\u7684\u5411\u4e0b\u517c\u5bb9\u6027\uff0c\u5305\u62ecUSB 1.0\u30011.1\u30012.0\u4ee5\u53ca\u65e0\u7ebfUSB\u548cOTG\u7b49\u7248\u672c\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u5e7f\u6cdb\u5e94\u7528<\/strong>\uff1aUSB\u534f\u8bae\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u6444\u50cf\u673a\u3001\u6253\u5370\u673a\u3001\u5916\u90e8\u786c\u76d8\u3001\u6e38\u620f\u63a7\u5236\u53f0\u548c\u667a\u80fd\u624b\u673a\u7b49\u9886\u57df\u3002\u6700\u65b0\u7684\u667a\u80fd\u624b\u673a\u5747\u91c7\u7528USB Type-C\u53d6\u4ee3\u4e86\u5927\u91cf\u7684\u5176\u4ed6\u63a5\u53e3\u3002<\/li>\n<\/ul>\n\n\n\n

    \u3000\u3000\u56db\u3001 RS-232\u3001RS-485\u548cRS-422\u6807\u51c6\u7684\u7535\u6c14\u7279\u6027\u53ca\u5176\u5728\u4e0d\u540c\u884c\u4e1a\u4e2d\u7684\u5e94\u7528<\/h2>\n\n\n\n

    \u3000\u3000RS-232\u3001RS-485\u548cRS-422\u662f\u4e09\u79cd\u5e38\u89c1\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\uff0c\u5b83\u4eec\u5728\u7535\u6c14\u7279\u6027\u548c\u5e94\u7528\u9886\u57df\u4e0a\u5404\u6709\u7279\u70b9\u3002<\/p>\n\n\n\n

    \u3000\u30001. RS-232\u6807\u51c6\u7684\u7535\u6c14\u7279\u6027\u53ca\u5176\u5e94\u7528<\/h3>\n\n\n\n

    \u3000\u3000\u7535\u6c14\u7279\u6027\uff1a<\/strong><\/p>\n\n\n\n

    \u3000\u3000RS-232\u6807\u51c6\u5b9a\u4e49\u4e86\u63a5\u53e3\u7535\u8def\u7684\u7535\u6c14\u7279\u6027\uff0c\u5305\u62ec\u4fe1\u53f7\u7535\u5e73\u3001\u4f20\u8f93\u901f\u7387\u548c\u8fde\u63a5\u65b9\u5f0f\u3002\u5176\u4fe1\u53f7\u7535\u5e73\u8f83\u9ad8\uff0c\u901a\u5e38\u5728\u00b112V\u4ee5\u4e0a\uff0c\u8fd9\u4f7f\u5f97\u5b83\u5728\u957f\u8ddd\u79bb\u4f20\u8f93\u65f6\u5bb9\u6613\u53d7\u5230\u566a\u58f0\u5e72\u6270\u3002<\/p>\n\n\n\n

    \u3000\u3000\u5e94\u7528\u6848\u4f8b\uff1a<\/strong><\/p>\n\n\n\n

    \u3000\u3000\u5de5\u4e1a\u63a7\u5236<\/strong>\uff1aRS-232\u5e38\u7528\u4e8ePLC(\u53ef\u7f16\u7a0b\u903b\u8f91\u63a7\u5236\u5668)\u3001DCS(\u5206\u5e03\u5f0f\u63a7\u5236\u7cfb\u7edf)\u548cSCADA(\u76d1\u63a7\u4e0e\u6570\u636e\u91c7\u96c6\u7cfb\u7edf)\u7b49\u8bbe\u5907\u7684\u901a\u4fe1\u3002<\/p>\n\n\n\n

    \u3000\u3000\u7535\u5b50\u5236\u9020<\/strong>\uff1a\u5728\u7535\u5b50\u5236\u9020\u884c\u4e1a\u4e2d\uff0cRS-232\u7528\u4e8e\u8bbe\u5907\u95f4\u7684\u901a\u4fe1\u548c\u6570\u636e\u4ea4\u6362\u3002<\/p>\n\n\n\n

    \u3000\u3000\u91d1\u878d\u884c\u4e1a<\/strong>\uff1a\u5728\u94f6\u884c\u3001\u8bc1\u5238\u7b49\u91d1\u878d\u884c\u4e1a\u4e2d\uff0cRS-232\u7528\u4e8e\u70b9\u5230\u70b9\u7684\u901a\u4fe1\u7cfb\u7edf\u3002<\/p>\n\n\n\n

    \u3000\u30002. RS-485\u6807\u51c6\u7684\u7535\u6c14\u7279\u6027\u53ca\u5176\u5e94\u7528<\/h3>\n\n\n\n

    \u3000\u3000\u7535\u6c14\u7279\u6027\uff1a<\/strong><\/p>\n\n\n\n

    \u3000\u3000RS-485\u6807\u51c6\u5b9a\u4e49\u4e86\u903b\u8f91\u201c1\u201d\u548c\u903b\u8f91\u201c0\u201d\u7684\u7535\u538b\u5dee\u5206\u522b\u4e3a+(2\u20146)V\u548c-(2\u20146)V\uff0c\u63a5\u53e3\u4fe1\u53f7\u7535\u5e73\u8f83\u4f4e\uff0c\u4e0d\u6613\u635f\u574f\u82af\u7247\u3002RS-485\u652f\u6301\u591a\u70b9\u901a\u4fe1\uff0c\u5177\u6709\u8f83\u5f3a\u7684\u6297\u566a\u58f0\u80fd\u529b\uff0c\u6570\u636e\u6700\u9ad8\u4f20\u8f93\u901f\u7387\u4e3a10Mbps\u3002<\/p>\n\n\n\n

    \u3000\u3000\u5e94\u7528\u6848\u4f8b\uff1a<\/strong><\/p>\n\n\n\n

    \u3000\u3000\u5de5\u4e1a\u81ea\u52a8\u5316<\/strong>\uff1aRS-485\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\u9886\u57df\uff0c\u7528\u4e8e\u4f20\u611f\u5668\u3001\u6267\u884c\u5668\u548c\u5176\u4ed6\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\u3002<\/p>\n\n\n\n

    \u3000\u3000\u697c\u5b87\u81ea\u52a8\u5316<\/strong>\uff1a\u5728\u697c\u5b87\u81ea\u52a8\u5316\u7cfb\u7edf\u4e2d\uff0cRS-485\u7528\u4e8e\u63a7\u5236\u548c\u76d1\u6d4b\u5404\u79cd\u8bbe\u5907\uff0c\u5982\u7167\u660e\u3001\u7a7a\u8c03\u548c\u5b89\u5168\u7cfb\u7edf\u3002<\/p>\n\n\n\n

    \u3000\u3000\u667a\u80fd\u7535\u7f51<\/strong>\uff1a\u5728\u667a\u80fd\u7535\u7f51\u4e2d\uff0cRS-485\u7528\u4e8e\u8fdc\u7a0b\u6284\u8868\u548c\u8bbe\u5907\u76d1\u63a7\u3002<\/p>\n\n\n\n

    \u3000\u30003. RS-422\u6807\u51c6\u7684\u7535\u6c14\u7279\u6027\u53ca\u5176\u5e94\u7528<\/h3>\n\n\n\n

    \u3000\u3000\u7535\u6c14\u7279\u6027\uff1a<\/strong><\/p>\n\n\n\n

    \u3000\u3000RS-422\u6807\u51c6\u4e0eRS-485\u5728\u7535\u6c14\u6027\u80fd\u4e0a\u5b8c\u5168\u76f8\u540c\uff0c\u4f46RS-422\u6709\u56db\u6839\u4fe1\u53f7\u7ebf\uff1a\u4e24\u6839\u53d1\u9001(Y\u3001Z)\u548c\u4e24\u6839\u63a5\u6536(A\u3001B)\uff0c\u8fd9\u4f7f\u5f97RS-422\u53ef\u4ee5\u5b9e\u73b0\u5168\u53cc\u5de5\u901a\u4fe1\u3002<\/p>\n\n\n\n

    \u3000\u3000\u5e94\u7528\u6848\u4f8b\uff1a<\/strong><\/p>\n\n\n\n

    \u3000\u3000\u822a\u7a7a\u7535\u5b50<\/strong>\uff1a\u5728\u822a\u7a7a\u7535\u5b50\u7cfb\u7edf\u4e2d\uff0cRS-422\u7528\u4e8e\u9ad8\u53ef\u9760\u6027\u7684\u6570\u636e\u4f20\u8f93\u3002<\/p>\n\n\n\n

    \u3000\u3000\u519b\u4e8b\u901a\u4fe1<\/strong>\uff1a\u5728\u519b\u4e8b\u9886\u57df\uff0cRS-422\u7528\u4e8e\u9700\u8981\u9ad8\u53ef\u9760\u6027\u548c\u6297\u5e72\u6270\u80fd\u529b\u7684\u901a\u4fe1\u7cfb\u7edf\u3002<\/p>\n\n\n\n

    \u3000\u3000\u533b\u7597\u8bbe\u5907<\/strong>\uff1a\u5728\u533b\u7597\u8bbe\u5907\u4e2d\uff0cRS-422\u7528\u4e8e\u8bbe\u5907\u95f4\u7684\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u3002<\/p>\n\n\n\n

    \u3000\u3000\u4e94\u3001 Modbus\u534f\u8bae\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u4e2d\u7684\u5e94\u7528<\/h2>\n\n\n\n

    \u3000\u3000Modbus\u534f\u8bae\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u4e2d\u7684\u5e94\u7528\u975e\u5e38\u5e7f\u6cdb\uff0c\u5b83\u662f\u4e00\u79cd\u7528\u4e8e\u5de5\u4e1a\u8bbe\u5907\u901a\u4fe1\u7684\u901a\u7528\u534f\u8bae\uff0c\u80fd\u591f\u5b9e\u73b0\u8bbe\u5907\u4e4b\u95f4\u7684\u8fdc\u7a0b\u63a7\u5236\u548c\u6570\u636e\u4ea4\u6362\u3002\u8be5\u534f\u8bae\u7531\u65bd\u8010\u5fb7\u7535\u6c14\u4e8e1979\u5e74\u63d0\u51fa\uff0c\u65e8\u5728\u63d0\u4f9b\u4e00\u79cd\u7b80\u5355\u4e14\u7ecf\u6d4e\u6709\u6548\u7684\u901a\u4fe1\u65b9\u5f0f\uff0c\u4f7f\u5f97\u4e0d\u540c\u5236\u9020\u5546\u7684\u8bbe\u5907\u80fd\u591f\u4e92\u76f8\u901a\u4fe1\u3002Modbus\u534f\u8bae\u56e0\u5176\u5f00\u653e\u6027\u3001\u53ef\u6269\u5145\u6027\u548c\u6807\u51c6\u5316\uff0c\u6210\u4e3a\u901a\u7528\u5de5\u4e1a\u6807\u51c6\u3002<\/p>\n\n\n\n

    \u3000\u3000Modbus\u534f\u8bae\u7684\u5e94\u7528\u9886\u57df\u5305\u62ec\u5de5\u4e1a\u81ea\u52a8\u5316\u3001\u80fd\u6e90\u7ba1\u7406\u3001\u697c\u5b87\u81ea\u52a8\u5316\u548c\u73af\u5883\u76d1\u6d4b\u7b49\uff0c\u7528\u4e8e\u5b9e\u73b0\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4ea4\u6362\u548c\u63a7\u5236\u3002\u901a\u8fc7\u4f7f\u7528Modbus\u534f\u8bae\uff0c\u53ef\u4ee5\u5b9e\u73b0\u5bf9\u8bbe\u5907\u7684\u8fdc\u7a0b\u76d1\u63a7\uff0c\u4f8b\u5982\u6e29\u5ea6\u3001\u538b\u529b\u3001\u6d41\u91cf\u7b49\u53c2\u6570\u7684\u5b9e\u65f6\u91c7\u96c6\u548c\u62a5\u8b66\u529f\u80fd\u3002\u6b64\u5916\uff0cModbus\u534f\u8bae\u8fd8\u652f\u6301\u6570\u636e\u7684\u8fdc\u7a0b\u4f20\u8f93\uff0c\u4f7f\u5f97\u8bbe\u5907\u4e4b\u95f4\u53ef\u4ee5\u8fdb\u884c\u6570\u636e\u7684\u4ea4\u6362\u548c\u5171\u4eab\uff0c\u63d0\u9ad8\u4e86\u7cfb\u7edf\u7684\u53ef\u9760\u6027\u548c\u6548\u7387\u3002<\/p>\n\n\n\n

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