[Cause] The watchdog signal from TOYOPUC stopped changing. [Countermeasure] Remove the cause of the TOYOPUC ladder program stopping, then start the ladder program. [Explanation] With the standard settings, this alarm occurs with STOP severity. [Setting] The severity and other properties of this alarm can be changed through $PC3J_REG.$WDOG_SEV1. 0 : STOP 1 : PAUSE 2 : WARN 3: Avoid this alarm.
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