{"id":42009,"date":"2023-09-28T04:59:40","date_gmt":"2023-09-27T20:59:40","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=42009"},"modified":"2023-09-28T04:59:40","modified_gmt":"2023-09-27T20:59:40","slug":"tyrh","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/42009.html","title":{"rendered":"TTL\u4e0eRS485\u548c232"},"content":{"rendered":"<p>&emsp;&emsp;TTL\u548cRS485\u548c232\u662f\u7535\u5b50\u8bbe\u5907\u4e2d\u5e38\u89c1\u7684\u901a\u4fe1\u63a5\u53e3\uff0c\u5b83\u4eec\u90fd\u662f\u7528\u4e8e\u5728\u591a\u4e2a\u7cfb\u7edf\u4e4b\u95f4\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u7684\u63a5\u53e3\u3002\u5b83\u4eec\u7684\u4e3b\u8981\u533a\u522b\u5728\u4e8e\u5b83\u4eec\u7684\u4f20\u8f93\u8ddd\u79bb\u3001\u901f\u5ea6\u3001\u53ef\u9760\u6027\u548c\u5b89\u5168\u6027\u7b49\u65b9\u9762\u3002\u672c\u6587\u5c06\u6df1\u5165\u4ecb\u7ecdTTL\u3001RS485\u548c232\u7684\u7279\u70b9\uff0c\u4ee5\u53ca\u5b83\u4eec\u4e4b\u95f4\u7684\u533a\u522b\u3002<\/p>\n<h2 style=\"text-align: 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center;\">RS485<\/h2>\n<p>&emsp;&emsp;RS485\uff08Recommended Standard 485\uff09\u4e5f\u662f\u4e00\u79cd\u7535\u5b50\u8bbe\u5907\u4e2d\u5e38\u89c1\u7684\u901a\u4fe1\u63a5\u53e3\uff0c\u5b83\u662f\u4e00\u79cd\u7528\u4e8e\u5728\u591a\u4e2a\u7cfb\u7edf\u4e4b\u95f4\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u7684\u63a5\u53e3\u3002RS485\u5177\u6709\u8f83\u9ad8\u7684\u4f20\u8f93\u901f\u5ea6\uff0c\u5176\u4f20\u8f93\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u52301200\u7c73\uff0c\u5177\u6709\u8f83\u9ad8\u7684\u53ef\u9760\u6027\u548c\u5b89\u5168\u6027\u3002<\/p>\n<h3>&emsp;&emsp;\u4f18\u70b9<\/h3>\n<ul>\n<li>\u8f83\u9ad8\u7684\u4f20\u8f93\u901f\u5ea6<\/li>\n<li>\u8f83\u957f\u7684\u4f20\u8f93\u8ddd\u79bb<\/li>\n<li>\u9ad8\u53ef\u9760\u6027\u548c\u5b89\u5168\u6027<\/li>\n<\/ul>\n<h3>&emsp;&emsp;\u7f3a\u70b9<\/h3>\n<ul>\n<li>\u6613\u53d7\u5916\u754c\u5e72\u6270<\/li>\n<li>\u6bd4\u8f83\u590d\u6742\u7684\u8bbe\u7f6e<\/li>\n<\/ul>\n<h2 style=\"text-align: center;\">232<\/h2>\n<p>&emsp;&emsp;232\uff08Serial Port 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