{"id":3195,"date":"2021-06-14T12:04:43","date_gmt":"2021-06-14T12:04:43","guid":{"rendered":""},"modified":"2021-06-14T20:06:59","modified_gmt":"2021-06-14T12:06:59","slug":"%e8%ae%a1%e7%ae%97%e6%9c%ba%e4%b8%8e%e5%8d%95%e7%89%87%e6%9c%ba%e7%9a%84%e4%b8%b2%e5%8f%a3%e9%80%9a%e4%bf%a1%e7%9a%84%e6%96%b9%e6%a1%88%e8%ae%be%e8%ae%a1","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=3195","title":{"rendered":"\u8ba1\u7b97\u673a\u4e0e\u5355\u7247\u673a\u7684\u4e32\u53e3\u901a\u4fe1\u7684\u65b9\u6848\u8bbe\u8ba1"},"content":{"rendered":"<p style=\"margin-right: 0px; margin-bottom: 12px; margin-left: 0px; padding: 0px; overflow-wrap: break-word; letter-spacing: 0.5px; font-size: 16px; text-indent: 2em; margin-top: 0px !important; color: rgb(51, 51, 51) !important; line-height: 30px !important; font-family: &quot;Microsoft yahei&quot;, \u5fae\u8f6f\u96c5\u9ed1 !important;\">\n\t\u5728\u4ee5<u style=\"color: rgb(51, 51, 51) !important;\">\u5355\u7247\u673a<\/u>\u4e3a\u57fa\u7840\u7684<u style=\"color: rgb(51, 51, 51) !important;\">\u6570\u636e\u91c7\u96c6<\/u>\u548c\u5b9e\u65f6\u63a7\u5236\u7cfb\u7edf\u4e2d\uff0c\u901a\u8fc7<u style=\"color: rgb(51, 51, 51) !important;\">\u8ba1\u7b97\u673a<\/u>\u4e2d\u7684<u style=\"color: rgb(51, 51, 51) !important;\">RS<\/u>-232<u style=\"color: rgb(51, 51, 51) !important;\">\u63a5\u53e3<\/u>\u8fdb\u884c\u8ba1\u7b97\u673a\u4e0e\u5355\u7247\u673a\u4e4b\u95f4\u7684\u547d\u4ee4\u548c\u6570\u636e\u4f20\u9001\uff0c\u5c31\u53ef\u4ee5\u5229\u7528\u8ba1\u7b97\u673a\u5bf9\u751f\u4ea7\u73b0\u573a\u8fdb\u884c\u76d1\u6d4b\u548c\u63a7\u5236\u3002\u7531\u4e8e\u8ba1\u7b97\u673a\u4e0a\u7684RS-232\u6240\u4f20\u9001\u7684\u8ddd\u79bb\u4e0d\u8d85\u8fc730m\uff0c\u6240\u4ee5\uff0c\u5728\u8fdc\u8ddd\u79bb\u7684\u6570\u636e\u4f20\u9001\u548c\u63a7\u5236\u65f6\uff0c\u53ef\u4ee5\u7528MAX485\u7684\u63a5\u53e3\u8f6c\u6362\u82af\u7247\u5c06RS-232\u8f6c\u6362\u6210<u style=\"color: rgb(51, 51, 51) !important;\">RS-485<\/u>\u534f\u8bae\u8fdb\u884c\u8fdc\u8ddd\u79bb\u4f20\u9001\u3002\u5728\u53d1\u9001\u548c\u63a5\u6536\u7aef\u90fd\u8fdb\u884c\u534f\u8bae\u8f6c\u6362\u540e\uff0cRS-485\u534f\u8bae\u5bf9\u6570\u636e\u4f20\u9001\u6765\u8bf4\u662f\u76f8\u5bf9\u900f\u660e\u7684\uff0c\u6240\u4ee5\u4f9d\u7136\u53ef\u4ee5\u4f7f\u7528\u8ba1\u7b97\u673a\u4e2d\u7684RS-232\u8fdb\u884c\u8fdc\u8ddd\u79bb\u7684\u6570\u636e\u4f20\u9001\u548c\u63a7\u5236\u3002\u5728\u6700\u7b80\u5355\u7684RS-232\u76f4\u63a5\u4f20\u9001\u901a\u4fe1\u7cfb\u7edf\u4e2d\uff0c\u53ea\u8981\u53d1\u9001\u548c\u63a5\u6536\u53cc\u65b9\u540c\u65f6\u51c6\u5907\u597d\uff0c\u4ec5\u7528\u4fe1\u53f7\u53d1\u9001\u7aef\uff08TXD\uff09\uff0c\u4fe1\u53f7\u63a5\u6536\u7aef\uff08RXD\uff09\u548c\u4fe1\u53f7\u5730\uff08GND\uff093\u6839\u7ebf\u5373\u53ef\u8fdb\u884c\u901a\u4fe1\uff1b\u82e5\u4ee5\u5e94\u7b54\u65b9\u5f0f\u8fdb\u884c<u style=\"color: rgb(51, 51, 51) !important;\">\u6570\u636e\u901a\u4fe1<\/u>\uff0c\u53ef\u4f7f\u7528\u8bf7\u6c42\u53d1\u9001\uff08RTS\uff09\u3001\u6e05\u9664\u53d1\u9001\uff08CTS\uff09\u6216\u6570\u636e\u7ec8\u7aef\u51c6\u5907\uff08DTR\uff09\u3001\u6570\u636e\u88c5\u7f6e\u51c6\u5907\uff08DSR\uff09\u8fdb\u884c\u786c\u4ef6\u63e1\u624b\u3002\u5728Windows95\u4e0b\uff0c\u53ef\u4ee5\u5f88\u65b9\u4fbf\u5730\u4f7f\u7528Win32\u901a\u4fe1API\u51fd\u6570\u6765\u5b9e\u73b0\u8fd9\u4e9b\u786c\u4ef6\u7684\u63e1\u624b\u4ee5\u53ca\u6570\u636e\u7684\u4f20\u9001\u3002\u572889C51\u5355\u7247\u673a\u7cfb\u7edf\u4e2d\uff0c\u5206\u522b\u4eceP3.0\u548cP3.1\u5f15\u51fa\u4e32\u53e3\u7ebfRXD\u548cTXD\u901a\u8fc7\u4e13\u7528\u7684\u7535\u5e73\u8f6c\u6362\u82af\u7247\u8f6c\u6362\u6210RS-232\u63a5\u53e3\u6807\u51c6\u7684\u7535\u5e73\uff0c\u8fd9\u6837\uff0c\u4e8c\u8005\u4e4b\u95f4\u5c31\u53ef\u4ee5\u901a\u8fc7RS-232\u63a5\u53e3\u8fdb\u884c\u6570\u5b57\u4fe1\u53f7\u7684\u4f20\u9001\u3002\u5355\u7247\u673a\u4e5f\u53ef\u4ee5\u4ee5\u76f4\u63a5\u4f20\u9001\u6216\u5e94\u7b54\u63e1\u624b\u7684\u65b9\u5f0f\u8fdb\u884c\u6570\u636e\u901a\u4fe1\uff0c\u4f46\u7531\u4e8e\u63e1\u624b\u65b9\u5f0f\u5360\u7528\u5176\u4ed6\u7684\u7aef\u53e3\uff0c\u800c\u5355\u7247\u673a\u7684\u7aef\u53e3\u6570\u91cf\u6709\u9650\uff0c\u6240\u4ee5\uff0c\u8ba1\u7b97\u673a\u4e0e\u5355\u7247\u673a\u7684\u901a\u4fe1\u5e38\u91c7\u7528\u76f4\u63a5\u4f20\u9001\u7684\u65b9\u5f0f\uff0c\u672c\u6587\u5c06\u91cd\u70b9\u4ecb\u7ecd\u3002<\/p>\n<p style=\"margin: 0px 0px 12px; 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