NI-IMAQ I/O C Function Reference Help Download the archived PDF Table of contents NI-IMAQ I/O C Function Reference Help Using Help Conventions Navigating Help Searching Help Printing Help File Topics Functions Open/Close imaqIOOpen imaqIOClose Static I/O imaqIOGetAttribute imaqIOSetAttribute imaqIODrive imaqIORead Pulse Generators imaqIOPulseCreate imaqIOPulseStart imaqIOPulseStop imaqIOPulseDispose Change Detector imaqIOChangeDetectConfigure imaqIOChangeDetectQuery imaqIOChangeDetectReset Watchdog imaqIOWatchdogConfigure imaqIOWatchdogArm imaqIOWatchdogWhack imaqIOWatchdogClear Shutdown States imaqIOEnableShutdown imaqIOSetShutdownState imaqIOGetShutdownState imaqIOQueryShutdown Error Handling imaqIOGetErrorText Reference NI-IMAQ I/O Constants and Enumerations IMAQIOAttribute Constants IMAQIOChangeDetectMode IMAQIOExpirationAction Constants IMAQIOPolarity Constants IMAQIOPulseMode Constants IMAQIOSignalState Constants IMAQIOSignalType Enumeration IMAQIOStatusSignal Enumeration IMAQIOTimebase Enumeration IMAQIO_ERR IMAQIO_PULSE_ID IMAQIO_SESSION Data Types for imaqIO Error Codes Important Information Warranty Copyright Trademarks Patents Warning Regarding the Use of NI Products Technical Support and Professional Services next page