Filter
Top Products
5 SCAN MONITORING FUNCTION
5.3 Precautions
45
5
Scan time when the WDT instruction is used
Even though the watchdog timer is reset using the WDT instruction, the scan time value is not reset. The scan timer value is
the value measured up to the END instruction.
Internal
processing time
Program
Internal
processing time
Scan execution
program A
Scan execution
program B
WDT reset (CPU module
internal processing)
END
0 ENDWDT
Scan execution
program A
0
Scan time
Clear
WDT measurement time
WDT
measurement
time
Next scan time
Next WDT measurement
time
WDT reset (CPU module
internal processing)