FBM201 FOXBORO 定时器

WESTINGHOUSE 1C31227G01
WESTINGHOUSE 1C31132G01
A-B 1756-OF6CI
A-B 1756-ENBT
FOXBORO FBM201
FOXBORO FBM215
FOXBORO FBM201
YASKAWA CP-9200SH/CPU
BENTLY 330103-00-06-05-11-00
FOXBORO FBM215
ABB PM581
WESTINGHOUSE 1C31219G01
ABB 3HAC13389-2
A-B 1784-PCIC
A-B 1756-ENBT
Fuji Electric PSR751S PS CONTROLLER
Bently 125840-01
FOXBORO FBM215

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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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