When the frequency changer has malfunction, power frequency is adopted, and the motor speed is nonadjustable.

万频器出现故障时，可工频驱动，转速不可调。

The application and maintenance of single phase input converter DV700T1500 produced by Panasonic in improving multitool dicing machine are described.

主要介绍松下公司生产的DV700T1500型单相输的频器在多刀切割机改进中的应用及其维护保养措施。

The 586 industrial control computer with PC bus is the primary computer and the secondary computer is combined with microcontroller, SIEMENS transverter and so on.

上位机为PC总线586工业算机,下位机由单片机、西门子频器等组成。