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介绍了交 直流信号转换器在实际中的应用 .实践表明 ,多粉尘强振动环境下应用这种转换器可使PLC和继电接触器控制系统的运行十分可靠 .
The application of AC / DC signal converter is introduced in practice.It has been proved that the application of this converter under strong dust and vibration environment can make the operation of PLC and relay contactor control system very reliable.