A.1 Programming The Watchdog Timer - Advantech PCA-6751 series Manual

A.1 Programming the Watchdog Timer

To program the watchdog timer, you must write a program which
writes I/O port address 443 (hex). The output data is a value of time
interval. The value range is from 01 (hex) to 3E (hex), and the related
time interval is 1 sec. to 62 sec.
Data
01
02
03
04
•
•
•
3E
60 PCA-6751/PCA-6751V User's Manual
Time Interval
1 sec.
2 sec.
3 sec.
4 sec.
•
•
•
62 sec.