18745-04 BENTLY

BENTLY 330180-90-05
BENTLY 128229-01
BENTLY 18745-04
BENTLY 330180-51-00
BENTLY 330130-080-00-00
BENTLY 330103-00-06-10-02-00

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Description

发出一个工作完成信号,使该定时器清零,说明这一对象的运行程序正常;否则,属运行不正常,发出报警信号或停机信号。监控程序的梯形图如图7所示。图7中定时器T1为检测元件,X001为控制对象动作信号,X002为动作完成信号,M2为报警或停机信号。假设被控对象的运行程序完成一次循环需要50s

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