9761-210 TRICON 定时器

A-B 1786-RPA
GE IC693ALG223
ABB 3HAC025917-001
LEM LC1000-S/SP7
BACHMANN AIO288
Bachmann DI216
YASKAWA JAPMC-IO2301-E
Siemens 6SE6440-2UD22-2BA1
B&R 3PS465.9
PHOENIX QUINT-PS/1AC/24DC/20
A-B 1747-L542
A-B 1756-OF8
LEM LC1000-S/SP7
A-B 1784-PKTX B
A-B 1784-PKTX
GE IC694-ALG392

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Description

运行用户程序开始时,先清看门狗定时器,并开始计时。当用户程序一个循环运行完了,则查看定时器的计时值。若超时(一般不超过100ms),则报警。严重超时,还可使PLC停止工作。用户可依报警信号采取相应的应急措施。定时器的计时值若不超时

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