IMAQIOAttribute Constants

IMAQIOAttribute constants are the constants for the attribute parameter of the imaqIOGetAttribute and imaqIOSetAttribute methods in the NI-IMAQ I/O library.

Note  Currently, these values are not settable.

• IMAQIO_ATTRIBUTE_PRODUCT_SELECT_CURRENT—Gets the value of the current product selection line. ISO Inputs 4 thru 0 are the product selection lines.
• IMAQIO_ATTRIBUTE_PRODUCT_SELECT_LATCHED—Gets the value of the currently latched product selection line. ISO Inputs 4 thru 0 are the product selection lines. ISO Input 5 latches in the data on ISO Inputs 4 thru 0.
• IMAQIO_ATTRIBUTE_QUADRATURE_ENCODER—Gets the value of the quadrature encoder. The quadrature encoder uses ISO Input 6 for its Phase A input and ISO Input 7 for its Phase B input.
• IMAQIO_ATTRIBUTE_WATCHDOG_STATUS—Gets the value of the watchdog status. 1 indicates that no errors occurred, and 0 indicates that a timeout occurred.
• IMAQIO_ATTRIBUTE_ISOPOWER_PRESENT—Gets the ISO power status. A value of 1 indicates that ISO power is present. A value of 0 indicates that ISO power is absent.