{"id":57889,"date":"2023-10-23T01:39:14","date_gmt":"2023-10-22T17:39:14","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=57889"},"modified":"2023-10-23T01:39:14","modified_gmt":"2023-10-22T17:39:14","slug":"mxy","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/57889.html","title":{"rendered":"Modbus RS485\u534f\u8bae"},"content":{"rendered":"<p>&emsp;&emsp;Modbus RS485\u534f\u8bae\u662f\u4e00\u79cd\u57fa\u4e8e\u4e32\u884c\u901a\u4fe1\u7684\u5de5\u4e1a\u7f51\u7edc\u534f\u8bae\uff0c\u53ef\u4ee5\u5b9e\u73b0\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4ea4\u6362\u548c\u63a7\u5236\u3002\u8be5\u534f\u8bae\u53ef\u4ee5\u7528\u4e8e\u63a7\u5236\u548c\u76d1\u63a7\u8bb8\u591a\u4e0d\u540c\u7c7b\u578b\u7684\u8bbe\u5907\uff0c\u5305\u62ecPLC\uff0c\u6a21\u62df\u91cf\u8f93\u5165\/\u8f93\u51fa\u8bbe\u5907\uff0c\u6570\u5b57\u91cf\u8f93\u5165\/\u8f93\u51fa\u8bbe\u5907\uff0c\u8f6f\u4ef6\u548c\u786c\u4ef6\u3002Modbus 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RS485\u534f\u8bae\u7684\u5de5\u4f5c\u539f\u7406\u662f\uff0c\u4e3b\u673a\u53d1\u9001\u4e00\u4e2a\u67e5\u8be2\u6307\u4ee4\u7ed9\u4ece\u673a\uff0c\u4ece\u673a\u6536\u5230\u6307\u4ee4\u540e\u56de\u590d\u4e00\u4e2a\u54cd\u5e94\uff0c\u7136\u540e\u4e3b\u673a\u6536\u5230\u54cd\u5e94\u540e\u53ef\u4ee5\u8fdb\u884c\u76f8\u5e94\u7684\u5904\u7406\u3002<\/p>\n<h3>&emsp;&emsp;Modbus RS485\u534f\u8bae\u7684\u7279\u70b9<\/h3>\n<p>&emsp;&emsp;Modbus RS485\u534f\u8bae\u5177\u6709\u8bb8\u591a\u4f18\u70b9\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u5b83\u662f\u4e00\u79cd\u7b80\u5355\u6613\u7528\u7684\u534f\u8bae\uff0c\u6613\u4e8e\u5b9e\u73b0\u548c\u7ef4\u62a4\u3002<\/li>\n<li>\u5b83\u4f7f\u7528\u6807\u51c6\u7684RS485\u63a5\u53e3\uff0c\u53ef\u4ee5\u5728\u4e0d\u540c\u7684\u8bbe\u5907\u4e4b\u95f4\u8fdb\u884c\u901a\u4fe1\u3002<\/li>\n<li>\u5b83\u652f\u6301\u591a\u79cd\u7c7b\u578b\u7684\u8bbe\u5907\uff0c\u53ef\u4ee5\u5b9e\u73b0\u4e0d\u540c\u7c7b\u578b\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4ea4\u6362\u548c\u63a7\u5236\u3002<\/li>\n<li>\u5b83\u5177\u6709\u826f\u597d\u7684\u53ef\u6269\u5c55\u6027\uff0c\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u4e0d\u540c\u7c7b\u578b\u7684\u8bbe\u5907\u3002<\/li>\n<li>\u5b83\u5177\u6709\u9ad8\u53ef\u9760\u6027\uff0c\u53ef\u4ee5\u4fdd\u8bc1\u6570\u636e\u4f20\u8f93\u7684\u53ef\u9760\u6027\u3002<\/li>\n<\/ul>\n<h3>&emsp;&emsp;Modbus RS485\u534f\u8bae\u7684\u5e94\u7528<\/h3>\n<p>&emsp;&emsp;Modbus 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