13 SIMB-982 User Manual
Chapter 1 General Information
1.8.7 Watchdog timer output (JWDT1)
The SIMB-982 contains a watchdog timer that will reset the CPU. This feature means
the SIMB-982 will recover from a software failure or an EMI problem. The JWDT1
jumper settings control the outcome of what the
computer will do in the event the
watchdog timer is tripped.
Table 1.8: Watchdog timer output (JWDT1)
Function Jumper Setting
NC
*
Reset
*
default setting
Note! The interrupt output of the watchdog timer is a low level signal. It will be
held low until the watchdog timer is reset.
2-4 closed
4-6 closed
1.8.8 HW Monitor Alarm (JOBS1)
Close: enable OBS alarm, Open: disable OBS alarm
Table 1.9: HW Monitor Alarm (JOBS1)
Function Jumper Setting
Disable OBS alarm
*
Enable OBS alarm
*
default setting
8-10 open
8-10 closed
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