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RS-422\u662f\u4e00\u79cd\u6bd4RS-232\u66f4\u9ad8\u7ea7\u7684\u4e32\u53e3\uff0c\u5b83\u53ef\u4ee5\u4f7f\u7528\u591a\u8fbe4\u6839\u7ebf\u6765\u5b9e\u73b0\u6570\u636e\u7684\u4f20\u8f93\uff0c\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u901f\u7684\u901a\u4fe1\uff0c\u6bd4\u5982\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u3002\u5b83\u7684\u4f18\u52bf\u5728\u4e8e\u5b83\u7684\u9ad8\u901f\u6027\uff0c\u53ef\u4ee5\u8fbe\u5230\u6bcf\u79d2\u51e0\u4e07\u4e2a\u5b57\u8282\u7684\u901f\u5ea6\uff0c\u800c\u4e14\u5b83\u7684\u4f20\u8f93\u8ddd\u79bb\u4e5f\u66f4\u8fdc\uff0c\u53ef\u4ee5\u8fbe\u5230\u51e0\u767e\u7c73\u7684\u8ddd\u79bb\u3002<\/p>\n
RS-485\u662f\u4e00\u79cd\u6bd4RS-422\u66f4\u9ad8\u7ea7\u7684\u4e32\u53e3\uff0c\u5b83\u53ef\u4ee5\u4f7f\u7528\u591a\u8fbe32\u6839\u7ebf\u6765\u5b9e\u73b0\u6570\u636e\u7684\u4f20\u8f93\uff0c\u53ef\u4ee5\u5b9e\u73b0\u6781\u9ad8\u901f\u7684\u901a\u4fe1\uff0c\u6bd4\u5982\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u3002\u5b83\u7684\u4f18\u52bf\u5728\u4e8e\u5b83\u7684\u9ad8\u901f\u6027\uff0c\u53ef\u4ee5\u8fbe\u5230\u6bcf\u79d2\u51e0\u5341\u4e07\u4e2a\u5b57\u8282\u7684\u901f\u5ea6\uff0c\u800c\u4e14\u5b83\u7684\u4f20\u8f93\u8ddd\u79bb\u4e5f\u66f4\u8fdc\uff0c\u53ef\u4ee5\u8fbe\u5230\u51e0\u5343\u7c73\u7684\u8ddd\u79bb\u3002<\/p>\n
USB\u662f\u4e00\u79cd\u6bd4RS-485\u66f4\u9ad8\u7ea7\u7684\u4e32\u53e3\uff0c\u5b83\u53ef\u4ee5\u4f7f\u7528\u591a\u8fbe127\u6839\u7ebf\u6765\u5b9e\u73b0\u6570\u636e\u7684\u4f20\u8f93\uff0c\u53ef\u4ee5\u5b9e\u73b0\u8d85\u9ad8\u901f\u7684\u901a\u4fe1\uff0c\u6bd4\u5982\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u3002\u5b83\u7684\u4f18\u52bf\u5728\u4e8e\u5b83\u7684\u9ad8\u901f\u6027\uff0c\u53ef\u4ee5\u8fbe\u5230\u6bcf\u79d2\u51e0\u767e\u4e07\u4e2a\u5b57\u8282\u7684\u901f\u5ea6\uff0c\u800c\u4e14\u5b83\u7684\u4f20\u8f93\u8ddd\u79bb\u4e5f\u66f4\u8fdc\uff0c\u53ef\u4ee5\u8fbe\u5230\u51e0\u5343\u7c73\u7684\u8ddd\u79bb\u3002<\/p>\n
I2C\u662f\u4e00\u79cd\u6bd4USB\u66f4\u9ad8\u7ea7\u7684\u4e32\u53e3\uff0c\u5b83\u53ef\u4ee5\u4f7f\u7528\u591a\u8fbe1024\u6839\u7ebf\u6765\u5b9e\u73b0\u6570\u636e\u7684\u4f20\u8f93\uff0c\u53ef\u4ee5\u5b9e\u73b0\u8d85\u9ad8\u901f\u7684\u901a\u4fe1\uff0c\u6bd4\u5982\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u3002\u5b83\u7684\u4f18\u52bf\u5728\u4e8e\u5b83\u7684\u9ad8\u901f\u6027\uff0c\u53ef\u4ee5\u8fbe\u5230\u6bcf\u79d2\u51e0\u5343\u4e07\u4e2a\u5b57\u8282\u7684\u901f\u5ea6\uff0c\u800c\u4e14\u5b83\u7684\u4f20\u8f93\u8ddd\u79bb\u4e5f\u66f4\u8fdc\uff0c\u53ef\u4ee5\u8fbe\u5230\u51e0\u5343\u7c73\u7684\u8ddd\u79bb\u3002<\/p>\n
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