Advanced Watchdog VIs

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LabVIEW 2009 Real-Time Module Help

Edition Date: June 2009

Part Number: 370622G-01

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Owning Palette: RT Watchdog VIs

Requires: RT Module. This topic might not match its corresponding palette in LabVIEW depending on your operating system, licensed product(s), and target.

Use the Advanced Watchdog VIs to implement advanced low-level watchdog tasks.

The VIs and functions on this palette can return general LabVIEW error codes or specific Watchdog error codes.

Palette Object	Description
Watchdog Acknowledge	Resets the watchdog counter to the specified count, but does not start the countdown if the counter has not yet started or has expired.
Watchdog Add Interrupt Action	Configures the watchdog object to trigger an occurrence when the watchdog timer expires. Use this VI in the configuration stage of the application, prior to the Watchdog Enable VI.
Watchdog Add Reset Action	Configures the watchdog object to reset the controller when the watchdog timer expires. Use this VI in the configuration stage of the application, prior to the Watchdog Enable VI.
Watchdog Add Trigger Action	Configures the watchdog object to assert a PXI trigger line when the watchdog timer expires. Use this VI in the configuration stage of the application, prior to the Watchdog Enable VI.
Watchdog Clear Outputs	Clears any triggers asserted by the watchdog object.
Watchdog Close	Closes the watchdog session associated with the watchdog object you specify.
Watchdog Disable	Disables the watchdog object you specify and clears any triggers asserted by the watchdog object.
Watchdog Enable	Enables the watchdog object and starts the countdown of the watchdog timer if the current status of the watchdog object is disabled.
Watchdog Get Attribute	Returns the current value of the watchdog attribute you specify.
Watchdog Open	Opens a watchdog session using the first available watchdog object.
Watchdog Reset	Resets the watchdog hardware and associated attributes and actions to the default power-on state.
Watchdog Set Attribute	Sets the watchdog object attribute you specify to the value you specify.
Watchdog Start	Restarts the countdown of the watchdog timer if the watchdog object is running or expired.