Returns a reference to the currently active precision I/O
object held by the Comm Card or null if no currently active
precision I/O object exists.
Namespace: Cognex.VisionPro.CommAn active precision I/O object will only exist if one of the CreatePrecisionIO methods has been called previously.
Assembly: Cognex.VisionPro.Comm (in Cognex.VisionPro.Comm.dll) Version: 75.0.0.0
Syntax
Return Value
Type: CogPrioExceptions
| Exception | Condition |
|---|---|
| CogHardwareInUseException | Thrown if the hardware is in use by another process. Only a single process may access the hardware. When this exception is thrown, you must close any other processes that are using the hardware, and re-start this process in order to access the hardware. |
| CogIncompatibleFirmwareException | Thrown if the version of the Comm Card firmware is incompatible with the version of the host library. Run "%VPRO_ROOT%\bin\fwuphost.exe --pkg vm56_firmware_X_X_X_X.pkg" to upgrade firmware." |
See Also