利用485信号有效电压组成的控制电路探讨

Discussion on Control Circuit Composed of Effective Voltage of 485 Signal

针对重庆中国三峡博物馆安防系统改造后出现的文物库房电动推拉门自动开门现象,分析其原因,并加以试验验证,提出处理措施。

In view of the automatic opening of the electric sliding door of the cultural relics warehouse after the renovation of the security system of the China Three Gorges Museum in Chongqing,the causes are analyzed,tested and verified,and the treatment measures are put forward.