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。
When frequency converter 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.
当电源故障已经发生时，用在电源故障情况下的电力去磁记录磁头。
When a power failure has occurred, the recording head is demagnetized with power in case of a power failure.
选择性漏电保护是指当电网发生漏电故障时，能够有选择地发出故障信号或切断故障支路电源，而非故障部分继续工作。
The selectivity leakage protective system can give out alarming signal or cut off the fault branches selectively when the leakage fault happens, and the non-fault branches are working normally.
选择性漏电保护是指当电网发生漏电故障时，能够有选择地发出故障信号或切断故障支路电源，而非故障部分继续工作。
The selective leakage protective system can give out alarming signal or cut off the fault branches selectively when the leakage fault happens, and the non-fault branches are working normally.
当30分钟闲置， 或测温系统出现故障， 如焊咀温度低于警诫线，发热芯或线路板发生故障时，自动切断电源， 具安全，省电及延长芯头寿命的优势。
Safety protection, energy save and extend heater life. Auto power cut-off under the circumstances of standby for 30 minutes, failure of temperature test, PCB, heating element and low tip temperature.
当30分钟闲置， 或测温系统出现故障， 如焊咀温度低于警诫线，发热芯或线路板发生故障时，自动切断电源， 具安全，省电及延长芯头寿命的优势。
Safety protection, energy save and extend heater life. Auto power cut-off under the circumstances of standby for 30 minutes, failure of temperature test, PCB, heating element and low tip temperature.
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