I/O device driver software

This filter is intended to cooperate with a device using its vendor SDK. To be able to connect to a device, it may be required to install WDT_DIO drivers and SDK.

WDT_DIO can be downloaded from the following website: https://www.neousys-tech.com/en/support-service/download-resources.

Add DLL path to system environment variable may be required.

Recommended WDT_DIO version for Aurora Vision Studio usage is 2.3.1.

Availability

Before you use this filter make sure that your Neousys device has a watchdog unit.

Initialization

When the watchdog unit is initialized it's default countdown value is set to 255 seconds.

Operation

When the program exits watchdog unit is always stopped and its parameters are set to default, so make sure to keep the program running when it encounters an error that should trigger the watchdog unit.

Limits

Depending on the device there might be limits on the inTicks value depending on the inUnit value. Please refer to your Neousys device manual when in doubt.

Compatibility

Neousys Watchdog Timer and Digital I/O support is not provided when using 32-bit Aurora Vision on a 64-bit operating system. Please use 64-bit Aurora Vision in such a case.

This filter can throw an exception to report error. Read how to deal with errors in Error Handling.

List of possible exceptions:

This filter is available on Basic Complexity Level.

• Neousys_StartWatchdogTimer – Starts watchdog timer countdown on a Neousys computer.

• Neousys_ResetWatchdogTimer – Resets watchdog timer countdown on a Neousys computer.

• Neousys_StopWatchdogTimer – Stops watchdog timer countdown on a Neousys computer.