When frequencyconverter and PLC is at fault, automatic switch to the original soft start work frequency power operation, ark to ensure the normal work of the compressor.
当变频器及PLC发生故障时，自动切换到原软启动柜工频电源运行，以保证压缩机的正常工作。
2
At the same time, the automatic energy-saving mode frequencyconverter LG, can make the motor in the meet load torque requirements to minimum current operation, to reach better energy saving effect.
同时，LG变频器的自动节能模式，可使电机在满足负载转矩要求下以最小电流运行，达到更好的节电效果。
3
The automatic control of frequencyconverter in dryer system are pointed out.