F3113 HIMA

MVME172PA-652SE
A16B-1212-0950
P0973JN-A4H124-24FX
VMIVME-7698-146
CI855K01-3BSE018106R1
DSDI110AVI-3BSE018295R1
CI541V1-3BSE014666R1
MMS6312-erpo
6DD1661-0AD0
6DD1682-0CH0
NXD63S120A
MVI69E-MBTCP
6ES7135-0HF01-0XB0

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描述

以下举例说明积算定时器的工作原理。如图2所示,当X0接通时,T253当前值计数数器开始累积100ms的时钟脉冲的个数。当X0经t0后断开,而T253尚未计数到设定值K345,其计数的当前值保留。当X0再次接通,T253从保留的当前值开始继续累积,经过t1时间,当前值达到K345时,定时器的触点动作。累积的时间为t0+t1=0.1×345=34.5s。当复位输入X1接通时,定时器才复位,当前值变为0,触点也跟随复位。

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