If a electromagnetic pulse valve is always magnetized, it must be checked if the corresponding electronic switch tube is in electric leakage or broken-down.
若某一电磁脉冲阀常吸，应检查对应的电子开关管是否漏电、击穿。
PLC is as the core of hardware system, and it comprises stepper motor, proximity switch, photoelectric switch, hot resistance, electromagnetic valve et al.
硬件部分采用PLC作为控制核心部件，由步进电机、接近开关、光电开关、热电阻、电磁阀等组成。
The LOA can be used in the switch system controlled by a electromagnetic valve because of its simple structure and smooth operation.
该电机结构简单，运行平稳，可用于小功率电磁阀控制的开关系统中。
The high-speed switch electromagnetic valve is a key equipment in the electromagnetic control system, whose performance will influence the whole electromagnetic control system greatly.
高速开关电磁阀在电磁控制系统中是一种结构简单、易于实现计算机控制的关键控制元件，它的性能指标对整个电液系统有很大的影响。
Designed drive for the auto-clutch. A single-chip computer of high performance is applied to produce PWM signal to control the work of the high-speed switch electromagnetic valve.
设计了驱动机构，由高性能单片机产生脉宽调制信号控制高速开关电磁阀的工作；
In between, an electromagnetic vacuum inflation valve is installed in series, which opens and closes with the switch of the pre-stage pump.
在前级泵与主泵中间串联一个电磁真空充气阀，随前级泵开关而启闭。
Regularly check the electromagnetic valve, whether the magnet switch normal or not.
定期检查电磁阀，磁性开关是否正常。
Regularly check the electromagnetic valve, whether the magnet switch normal or not.
定期检查电磁阀，磁性开关是否正常。
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