{"id":68269,"date":"2023-12-16T14:34:21","date_gmt":"2023-12-16T06:34:21","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=68269"},"modified":"2023-12-16T14:34:21","modified_gmt":"2023-12-16T06:34:21","slug":"rhrddplj","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/68269.html","title":{"rendered":"RS232\u548cRS485\u7684\u7535\u5e73\u903b\u8f91"},"content":{"rendered":"

  \u672c\u6587\u5c06\u4ecb\u7ecdRS232\u548cRS485<\/a>\u7684\u7535\u5e73\u903b\u8f91\uff0c\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u8fd9\u4e24\u79cd\u5e38\u89c1\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\u3002<\/p>\n

RS232\u7684\u7535\u5e73\u903b\u8f91<\/h2>\n

  \u7535\u6c14\u7279\u6027<\/h3>\n

  RS232\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\uff0c\u5176\u7535\u5e73\u903b\u8f91\u91c7\u7528\u6b63\u8d1f\u7535\u5e73\u6765\u8868\u793a\u903b\u8f911\u548c\u903b\u8f910\u3002\u903b\u8f911\u88ab\u5b9a\u4e49\u4e3a\u8d1f\u7535\u5e73\uff0c\u901a\u5e38\u5728-3\u81f3-15V\u4e4b\u95f4\uff1b\u903b\u8f910\u88ab\u5b9a\u4e49\u4e3a\u6b63\u7535\u5e73\uff0c\u901a\u5e38\u5728+3\u81f3+15V\u4e4b\u95f4\u3002<\/p>\n

  \u4f20\u8f93\u8fc7\u7a0b<\/h3>\n

  \u5728RS232\u901a\u4fe1\u4e2d\uff0c\u6570\u636e\u901a\u8fc7\u4e32\u884c\u4f20\u8f93\u65b9\u5f0f\u8fdb\u884c\u53cc\u5411\u901a\u4fe1\u3002\u53d1\u9001\u7aef\u5c06\u903b\u8f911\u548c0\u8f6c\u6362\u4e3a\u76f8\u5e94\u7684\u7535\u538b\uff0c\u63a5\u6536\u7aef\u6839\u636e\u7535\u538b\u7684\u53d8\u5316\u6765\u8fd8\u539f\u6570\u636e\u3002\u7531\u4e8eRS232\u91c7\u7528\u4e0d\u5e73\u8861\u7684\u5355\u7aef\u4f20\u8f93\u65b9\u5f0f\uff0c\u56e0\u6b64\u5728\u957f\u8ddd\u79bb\u4f20\u8f93\u65f6\u6613\u53d7\u5e72\u6270\u5f71\u54cd\u3002<\/p>\n

RS485\u7684\u7535\u5e73\u903b\u8f91<\/h2>\n

  \u7535\u6c14\u7279\u6027<\/h3>\n

  RS485\u662f\u4e00\u79cd\u7528\u4e8e\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf<\/a>\u548c\u8fdc\u8ddd\u79bb\u901a\u4fe1\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\uff0c\u5176\u7535\u5e73\u903b\u8f91\u91c7\u7528\u5dee\u5206\u4fe1\u53f7\u6765\u8868\u793a\u903b\u8f911\u548c\u903b\u8f910\u3002\u903b\u8f911\u88ab\u5b9a\u4e49\u4e3aA\u7ebf\u6bd4B\u7ebf\u7535\u538b\u9ad8\uff1b\u903b\u8f910\u88ab\u5b9a\u4e49\u4e3aA\u7ebf\u6bd4B\u7ebf\u7535\u538b\u4f4e\u3002<\/p>\n

  \u4f20\u8f93\u8fc7\u7a0b<\/h3>\n

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\u603b\u7ed3<\/h2>\n

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