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PCA-6012 User Manual 18

2.11 Watch Dog Timer (JWDT1) / Infrared (JIR1)/

Hardware Monitor Alarm(JOBS1)

Figure 2.10 Watch Dog Timer (JWDT1) / Infrared (JIR1)/Hardware Monitor

Alarm(JOBS1)

2.11.1 Watchdog timer output (JWDT1)

The PCA-6012 contains a watchdog timer that will reset the CPU in the event the

CPU stops processing. This feature means the PCA-6012 will recover from a soft-

ware 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.

2.11.2 Infrared Connector (JIR1)

This 5-pin header is for connecting infrared device connector.

2.11.3 H/W Monitor Alarm (JOBS1)

(JOBS1) is a 2-pin jumper to enable/disable the alarm for on board security events.

Table 2.2: Watchdog timer output (JWDT1)

Function Jumper Setting

N/A

* System Reset

* default setting

1 - 2 closed

123

2 - 3 closed

1 23

Table 2.3: Hardware Monitor Alarm setting

Pin setting Function

Closed Enable OBS alarm

Open Disable OBS alarm

1 2 ... 23 24 25 26 27 28 29 30 31 32 33 ... 75 76

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Advantech PCA-6012 Manual de usuario Pagina 28