WDT instruction Demo

The PLC system have a timer ,which are used to monitor whether the user's program execution time is a time-out. If time is out , the user program will stop and report alarm.Executing WDT instruction can reset monitoring timer, and makes the monitoring timer restart timing ,avoid the time-out error.

Please check the below link.

drive.google.com/open?id=0B0j9uum1UPXbfmNST3VpZ3dnaFhYSklzbUFBbTJnRXl6U1pjQ2Y0TnpLV0x1S1BmTk8tdHc