APN-4002-ERC Iwaki 应急措施

ABB 1MRS050729
ABB AI830A
ABB AI830A
BARKSDALE UAS3V3
FOXBORO FBM201
ABB 07KR51 DC24V
A-B 1746-NI16I
WESTINGHOUSE 1C31132G01
Fuji Electric PSR751S PS CONTROLLER
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

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Description

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,则重复起始的过程,PLC将正常工作。显然,有了这个看门狗监控程序,可保证PLC用户程序的正常运行,可避免出现死循环而影响其工作的可靠性。 PLC还有很多防止及检测故障的指令

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