CLE-202001 SQUARE

1756-EN2T
6GK1105-2AD10
ERS-68
1769-L35E
IC697BEM713F
PR9268/202-000
3500/15-05-05-00
3500/33-01-00
1756-EN2T
3500/33-01-00
1C31166G02

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描述

10ms通用定时器(T200~T245)共46点。这类定时器是对10ms时钟累积计数,设定值为1~32767,所以其定时范围为0.01~327.67s。

下面举例说明通用定时器的工作原理。如图1所示,当输入X0接通时,定时器T200从0开始对10ms时钟脉冲进行累积计数,当计数值与设定值K123相等时,定时器的常开接通Y0,经过的时间为123×0.01s=1.23s。当X0断开后定时器复位,计数值变为0,其常开触点断开,Y0也随之OFF。若外部电源断电,定时器也将复位。

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