SNAT604IFS ABB 循环运行

BENTLY 330980-71-05
ABB PSE142-600-70
B&R 4E0011.01-90
GE IC660BBD024
ABB SDCS-PIN-41A
HONEYWELL CC-TDIL51
GE IC660BBD024
A-B 1747-L532
WESTINGHOUSE 1C31219G01
FOXBORO P0922YU
A-B 1769-IF16C
FOXBORO FBM214
FOXBORO FBM201

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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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