本文介绍了PL C定时器在双速电梯端站保护中的应用。这种方法能提高电梯的安全可靠性。
This article introduces the application of PLC timer for end station protection in double speed lift. The methods can improve the safety reliability of the lift.
双腔起搏器能够定时发送信号，来使左右心室一同收缩、舒张。
It sends carefully timed signals that make the right and left ventricle contract and relax in unison.
本文介绍了PL C定时器在双速电梯端站保护中的应用。
This article introduces the application of PLC timer for end station protection in double speed lift.
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