Instruction manual

Appendix A Programming the Watchdog Timer 73
How to set the watchdog timer
1.Set register 30h of logical device 7 to 1 to activate the timer.
2.Write the desired counter value to register F2h of logical deivice
8.
Logical Device 7 : Register number 30h (CR30)
00h : Logical device is inactive
01h : Activates the logical device
Logicel Device 8 : Register number F2h (CRF2)
00h : Time-out Disable
01h : Time-out occurs after 15 seconds
02h : Time-out occurs after 30 seconds
03h : Time-out occurs after 45 seconds
04h : Time-out occurs after 60 seconds
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FFh : Time-out occurs after 3825 seconds