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利用变频器频板的输出脉冲信号做为PLC脉冲信号采集源,对井道进行全程计数。这样保证各层换速点的一致,减少井道换速板。
The use of frequency converter output pulse signal as a PLC pulse signal acquisition source, the hoistway full count. This ensures that all layers of the same speed change point, reducing the shaft speed board.