{"id":76906,"date":"2024-01-06T14:46:04","date_gmt":"2024-01-06T06:46:04","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=76906"},"modified":"2024-01-06T14:46:04","modified_gmt":"2024-01-06T06:46:04","slug":"cktxjsjqb","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/76906.html","title":{"rendered":"\u4e32\u53e3\u901a\u4fe1\u4ecb\u7ecd\u53ca\u533a\u522b"},"content":{"rendered":"

  \u4e32\u53e3\u901a\u4fe1\u662f\u4e00\u79cd\u5728\u8ba1\u7b97\u673a\u548c\u5916\u90e8\u8bbe\u5907\u4e4b\u95f4\u8fdb\u884c\u6570\u5b57\u6570\u636e\u4f20\u8f93\u7684\u65b9\u5f0f\u3002\u5728\u672c\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u6df1\u5165\u63a2\u8ba8RS232\u3001RS422\u548cRS485\u4e4b\u95f4\u7684\u533a\u522b\u3002<\/p>\n

RS232\u548cRS422\u7684\u533a\u522b<\/h2>\n

  RS232\u7684\u7279\u70b9<\/h3>\n

  RS232\u662f\u4e00\u79cd\u57fa\u4e8e\u7535\u6c14\u4fe1\u53f7\u7ea7\u522b\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\u3002\u5b83\u4f7f\u7528\u4e00\u5bf9\u6570\u636e\u7ebf\u8fdb\u884c\u901a\u4fe1\uff0c\u901a\u5e38\u7528\u4e8e\u8fde\u63a5\u8ba1\u7b97\u673a\u548c\u5916\u90e8\u8bbe\u5907\uff0c\u5982\u8c03\u5236\u89e3\u8c03\u5668\u548c\u6253\u5370\u673a\u3002RS232\u901a\u5e38\u4ee5DB9\u6216DB25\u63a5\u53e3\u8fdb\u884c\u7269\u7406\u8fde\u63a5\u3002<\/p>\n

  RS422\u7684\u7279\u70b9<\/h3>\n

  \u76f8\u6bd4\u4e4b\u4e0b\uff0cRS422\u662f\u4e00\u79cd\u66f4\u4e3a\u5148\u8fdb\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\u3002\u5b83\u4f7f\u7528\u4e00\u5bf9\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u7ebf\uff0c\u4ee5\u53ca\u4e00\u4e2a\u5171\u4eab\u7684\u5dee\u5206\u6570\u636e\u7ebf\u5bf9\u3002RS422\u53ef\u4ee5\u5b9e\u73b0\u8f83\u957f\u8ddd\u79bb\u7684\u901a\u4fe1\uff0c\u5e76\u5177\u6709\u66f4\u597d\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002<\/p>\n

  RS232\u548cRS422\u7684\u4e3b\u8981\u533a\u522b<\/h3>\n

  RS232\u548cRS422\u6700\u5927\u7684\u533a\u522b\u5728\u4e8e\u4f20\u8f93\u8ddd\u79bb\u548c\u6297\u5e72\u6270\u80fd\u529b\u3002RS232\u9002\u7528\u4e8e\u76f8\u5bf9\u8f83\u77ed\u7684\u8ddd\u79bb\u901a\u4fe1\uff0c\u800cRS422\u53ef\u4ee5\u8986\u76d6\u66f4\u5927\u7684\u8ddd\u79bb\uff0c\u5e76\u4e14\u5728\u5608\u6742\u7684\u73af\u5883\u4e2d\u8868\u73b0\u66f4\u4e3a\u7a33\u5b9a\u3002<\/p>\n

RS422\u548cRS485\u7684\u533a\u522b<\/h2>\n

  RS422\u7684\u5e94\u7528<\/h3>\n

  RS422\u901a\u5e38\u7528\u4e8e\u70b9\u5bf9\u70b9\u901a\u4fe1<\/a>\uff0c\u652f\u6301\u5168\u53cc\u5de5\u901a\u4fe1\u3002\u5b83\u5728\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u548c\u8fdc\u7a0b\u76d1\u63a7\u7cfb\u7edf\u4e2d\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\uff0c\u80fd\u591f\u6ee1\u8db3\u8f83\u9ad8\u7684\u53ef\u9760\u6027\u548c\u5e26\u5bbd\u9700\u6c42\u3002<\/p>\n

  RS485\u7684\u7279\u70b9<\/h3>\n

  RS485\u662f\u4e00\u79cd\u591a\u70b9\u901a\u4fe1\u6807\u51c6\uff0c\u652f\u6301\u534a\u53cc\u5de5<\/a>\u901a\u4fe1\u3002\u5b83\u53ef\u4ee5\u8fde\u63a5\u591a\u4e2a\u8bbe\u5907\uff0c\u9002\u7528\u4e8e\u9700\u8981\u591a\u8bbe\u5907\u5171\u4eab\u6570\u636e\u7684\u573a\u5408\uff0c\u6bd4\u5982\u73b0\u573a\u603b\u7ebf\u7cfb\u7edf\u548c\u5efa\u7b51\u81ea\u52a8\u5316\u7cfb\u7edf\u3002<\/p>\n

  RS422\u548cRS485\u7684\u4e3b\u8981\u533a\u522b<\/h3>\n

  RS422\u548cRS485\u6700\u5927\u7684\u533a\u522b\u5728\u4e8e\u901a\u4fe1\u6a21\u5f0f\u548c\u8fde\u63a5\u8bbe\u5907\u6570\u91cf\u3002RS422\u9002\u7528\u4e8e\u70b9\u5bf9\u70b9<\/a>\u901a\u4fe1\uff0c\u800cRS485\u652f\u6301\u591a\u70b9\u901a\u4fe1\uff0c\u53ef\u4ee5\u8fde\u63a5\u66f4\u591a\u8bbe\u5907\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u5728\u672c\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u6df1\u5165\u63a2\u8ba8\u4e86RS232\u3001RS422\u548cRS485\u4e4b\u95f4\u7684\u533a\u522b\u3002<\/strong>\u901a\u8fc7\u7406\u89e3\u5b83\u4eec\u5404\u81ea\u7684\u7279\u70b9\u548c\u5e94\u7528\u573a\u666f\uff0c\u6211\u4eec\u80fd\u591f\u66f4\u597d\u5730\u5e94\u7528\u4e8e\u5b9e\u9645\u5de5\u7a0b\u4e2d\uff0c\u9009\u62e9\u5408\u9002\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\u6765\u6ee1\u8db3\u4e0d\u540c\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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