Measurement-computing CB-7000 Utilities Manual de usuario descargar pdf (Pagina 33)

Figure 3-9. After Setting Up the Host Watchdog

Figure 3-9 shows that the user can read the status and the setting value of Host Watchdog. The

user got these values:

• 0:Host is OK,

• 1:Host Watchdog is Enabled,

• Host Watchdog time interval is 5 seconds.

Figure 3-10. Host Watchdog Demo.

After 5 seconds, the system displays a message that the “Host is down!!!” (Figure 3-10).

Click the button “OK” to close this message box.

Since the Host Watchdog is enabled, if the Host PC does not send the command ~** to module,

the module ignores all other output commands and the module output stays in the safe state

(Figure 3-11).

After the module goes to the safe state, the module’s Host Watchdog is disabled automatically.

Click on the button “Clear [Host failure mode]” to clear this status (see Figure 3-11). The module

status will return to “0:Host is OK!”.

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Measurement-computing CB-7000 Utilities Manual de usuario Pagina 33