See how to get and set attributes.

• Clocks
  • AI Convert Clock
    • DAQmx_Exported_AIConvClk_OutputTerm
    • Pulse
      • DAQmx_Exported_AIConvClk_Pulse_Polarity
  • 10mhz Reference Clock
    • DAQmx_Exported_10MHzRefClk_OutputTerm
  • 20mhz Timebase
    • DAQmx_Exported_20MHzTimebase_OutputTerm
  • Sample Clock
    • DAQmx_Exported_SampClk_OutputBehavior
    • DAQmx_Exported_SampClk_OutputTerm
    • DAQmx_Exported_SampClk_DelayOffset
    • Pulse
      • DAQmx_Exported_SampClk_Pulse_Polarity
  • Sample Clock Timebase
    • DAQmx_Exported_SampClkTimebase_OutputTerm
  • Divided Sample Clock Timebase
    • DAQmx_Exported_DividedSampClkTimebase_OutputTerm
• Triggers
  • Advance Trigger
    • DAQmx_Exported_AdvTrig_OutputTerm
    • Pulse
      • DAQmx_Exported_AdvTrig_Pulse_Polarity
      • DAQmx_Exported_AdvTrig_Pulse_WidthUnits
      • DAQmx_Exported_AdvTrig_Pulse_Width
  • Pause Trigger
    • DAQmx_Exported_PauseTrig_OutputTerm
    • Level
      • DAQmx_Exported_PauseTrig_Lvl_ActiveLvl
  • Reference Trigger
    • DAQmx_Exported_RefTrig_OutputTerm
    • Pulse
      • DAQmx_Exported_RefTrig_Pulse_Polarity
  • Start Trigger
    • DAQmx_Exported_StartTrig_OutputTerm
    • Pulse
      • DAQmx_Exported_StartTrig_Pulse_Polarity
• Events
  • Advance Complete Event
    • DAQmx_Exported_AdvCmpltEvent_OutputTerm
    • DAQmx_Exported_AdvCmpltEvent_Delay
    • Pulse
      • DAQmx_Exported_AdvCmpltEvent_Pulse_Polarity
      • DAQmx_Exported_AdvCmpltEvent_Pulse_Width
  • AI Hold Complete Event
    • DAQmx_Exported_AIHoldCmpltEvent_OutputTerm
    • Pulse
      • DAQmx_Exported_AIHoldCmpltEvent_PulsePolarity
  • Change Detection Event
    • DAQmx_Exported_ChangeDetectEvent_OutputTerm
    • Pulse
      • DAQmx_Exported_ChangeDetectEvent_Pulse_Polarity
  • Counter Output Event
    • DAQmx_Exported_CtrOutEvent_OutputTerm
    • DAQmx_Exported_CtrOutEvent_OutputBehavior
    • Pulse
      • DAQmx_Exported_CtrOutEvent_Pulse_Polarity
    • Toggle
      • DAQmx_Exported_CtrOutEvent_Toggle_IdleState
  • Handshake Event
    • DAQmx_Exported_HshkEvent_OutputTerm
    • DAQmx_Exported_HshkEvent_OutputBehavior
    • DAQmx_Exported_HshkEvent_Delay
    • Interlocked
      • DAQmx_Exported_HshkEvent_Interlocked_AssertedLvl
      • DAQmx_Exported_HshkEvent_Interlocked_AssertOnStart
      • DAQmx_Exported_HshkEvent_Interlocked_DeassertDelay
    • Pulse
      • DAQmx_Exported_HshkEvent_Pulse_Polarity
      • DAQmx_Exported_HshkEvent_Pulse_Width
  • Ready For Transfer Event
    • DAQmx_Exported_RdyForXferEvent_OutputTerm
    • Level
      • DAQmx_Exported_RdyForXferEvent_Lvl_ActiveLvl
    • DAQmx_Exported_RdyForXferEvent_DeassertCond
    • DAQmx_Exported_RdyForXferEvent_DeassertCondCustomThreshold
  • Data Active Event
    • DAQmx_Exported_DataActiveEvent_OutputTerm
    • Level
      • DAQmx_Exported_DataActiveEvent_Lvl_ActiveLvl
  • Ready For Start Event
    • DAQmx_Exported_RdyForStartEvent_OutputTerm
    • Level
      • DAQmx_Exported_RdyForStartEvent_Lvl_ActiveLvl
  • Synchronization Pulse Event
    • DAQmx_Exported_SyncPulseEvent_OutputTerm
  • Watchdog Timer Expired Event
    • DAQmx_Exported_WatchdogExpiredEvent_OutputTerm

Data Type:	char*
Description:	Specifies the terminal to which to route the AI Convert Clock.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	int32
Description:	Indicates the polarity of the exported AI Convert Clock. The polarity is fixed and independent of the active edge of the source of the AI Convert Clock.
Restrictions:	Not Settable

Valid values

DAQmx_Val_ActiveHigh	10095	High state is the active state.
DAQmx_Val_ActiveLow	10096	Low state is the active state.

You can get this attribute using:   DAQmxGetExportedSignalAttribute

Data Type:	char*
Description:	Specifies the terminal to which to route the 10MHz Clock.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	char*
Description:	Specifies the terminal to which to route the 20MHz Timebase.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	int32
Description:	Specifies whether the exported Sample Clock issues a pulse at the beginning of a sample or changes to a high state for the duration of the sample.

Valid values

DAQmx_Val_Pulse	10265	The exported Sample Clock pulses at the beginning of each sample.
DAQmx_Val_Lvl	10210	The exported Sample Clock goes high at the beginning of the sample and goes low when the last AI Convert begins.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	char*
Description:	Specifies the terminal to which to route the Sample Clock.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	float64
Description:	Specifies in seconds the amount of time to offset the exported Sample clock. Refer to timing diagrams for generation applications in the device documentation for more information about this value.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	int32
Description:	Specifies the polarity of the exported Sample Clock if DAQmx_Exported_SampClk_OutputBehavior is DAQmx_Val_Pulse.

Valid values

DAQmx_Val_ActiveHigh	10095	High state is the active state.
DAQmx_Val_ActiveLow	10096	Low state is the active state.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	char*
Description:	Specifies the terminal to which to route the Sample Clock Timebase.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	char*
Description:	Specifies the terminal to which to route the Divided Sample Clock Timebase.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	char*
Description:	Specifies the terminal to which to route the Advance Trigger.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	int32
Description:	Indicates the polarity of the exported Advance Trigger.
Restrictions:	Not Settable

Valid values

DAQmx_Val_ActiveHigh	10095	High state is the active state.
DAQmx_Val_ActiveLow	10096	Low state is the active state.

You can get this attribute using:   DAQmxGetExportedSignalAttribute

Data Type:	int32
Description:	Specifies the units of DAQmx_Exported_AdvTrig_Pulse_Width.

Valid values

DAQmx_Val_Seconds	10364	Seconds.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	float64
Description:	Specifies the width of an exported Advance Trigger pulse. Specify this value in the units you specify with DAQmx_Exported_AdvTrig_Pulse_WidthUnits.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	char*
Description:	Specifies the terminal to which to route the Pause Trigger.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	int32
Description:	Specifies the active level of the exported Pause Trigger.

Valid values

DAQmx_Val_ActiveHigh	10095	High state is the active state.
DAQmx_Val_ActiveLow	10096	Low state is the active state.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	char*
Description:	Specifies the terminal to which to route the Reference Trigger.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	int32
Description:	Specifies the polarity of the exported Reference Trigger.

Valid values

DAQmx_Val_ActiveHigh	10095	High state is the active state.
DAQmx_Val_ActiveLow	10096	Low state is the active state.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	char*
Description:	Specifies the terminal to which to route the Start Trigger.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	int32
Description:	Specifies the polarity of the exported Start Trigger.

Valid values

DAQmx_Val_ActiveHigh	10095	High state is the active state.
DAQmx_Val_ActiveLow	10096	Low state is the active state.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	char*
Description:	Specifies the terminal to which to route the Advance Complete Event.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	float64
Description:	Specifies the output signal delay in periods of the sample clock.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	int32
Description:	Specifies the polarity of the exported Advance Complete Event.

Valid values

DAQmx_Val_ActiveHigh	10095	High state is the active state.
DAQmx_Val_ActiveLow	10096	Low state is the active state.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	float64
Description:	Specifies the width of the exported Advance Complete Event pulse.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	char*
Description:	Specifies the terminal to which to route the AI Hold Complete Event.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	int32
Description:	Specifies the polarity of an exported AI Hold Complete Event pulse.

Valid values

DAQmx_Val_ActiveHigh	10095	High state is the active state.
DAQmx_Val_ActiveLow	10096	Low state is the active state.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	char*
Description:	Specifies the terminal to which to route the Change Detection Event.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	int32
Description:	Specifies the polarity of an exported Change Detection Event pulse.

Valid values

DAQmx_Val_ActiveHigh	10095	High state is the active state.
DAQmx_Val_ActiveLow	10096	Low state is the active state.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	char*
Description:	Specifies the terminal to which to route the Counter Output Event.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	int32
Description:	Specifies whether the exported Counter Output Event pulses or changes from one state to the other when the counter reaches terminal count.

Valid values

DAQmx_Val_Pulse	10265	Send a pulse to the terminal.
DAQmx_Val_Toggle	10307	Toggle the state of the terminal from low to high or from high to low.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	int32
Description:	Specifies the polarity of the pulses at the output terminal of the counter when DAQmx_Exported_CtrOutEvent_OutputBehavior is DAQmx_Val_Pulse. NI-DAQmx ignores this property if DAQmx_Exported_CtrOutEvent_OutputBehavior is DAQmx_Val_Toggle.

Valid values

DAQmx_Val_ActiveHigh	10095	High state is the active state.
DAQmx_Val_ActiveLow	10096	Low state is the active state.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	int32
Description:	Specifies the initial state of the output terminal of the counter when DAQmx_Exported_CtrOutEvent_OutputBehavior is DAQmx_Val_Toggle. The terminal enters this state when NI-DAQmx commits the task.

Valid values

DAQmx_Val_High	10192	High state.
DAQmx_Val_Low	10214	Low state.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	char*
Description:	Specifies the terminal to which to route the Handshake Event.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	int32
Description:	Specifies the output behavior of the Handshake Event.

Valid values

DAQmx_Val_Interlocked	12549	Handshake Event deasserts after the Handshake Trigger asserts, plus the amount of time specified with DAQmx_Exported_HshkEvent_Interlocked_DeassertDelay.
DAQmx_Val_Pulse	10265	Handshake Event pulses with the pulse width specified in DAQmx_Exported_HshkEvent_Pulse_Width.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	float64
Description:	Specifies the number of seconds to delay after the Handshake Trigger deasserts before asserting the Handshake Event.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	int32
Description:	Specifies the asserted level of the exported Handshake Event if DAQmx_Exported_HshkEvent_OutputBehavior is DAQmx_Val_Interlocked.

Valid values

DAQmx_Val_High	10192	High state.
DAQmx_Val_Low	10214	Low state.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	bool32
Description:	Specifies to assert the Handshake Event when the task starts if DAQmx_Exported_HshkEvent_OutputBehavior is DAQmx_Val_Interlocked.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	float64
Description:	Specifies in seconds the amount of time to wait after the Handshake Trigger asserts before deasserting the Handshake Event if DAQmx_Exported_HshkEvent_OutputBehavior is DAQmx_Val_Interlocked.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	int32
Description:	Specifies the polarity of the exported Handshake Event if DAQmx_Exported_HshkEvent_OutputBehavior is DAQmx_Val_Pulse.

Valid values

DAQmx_Val_ActiveHigh	10095	High state is the active state.
DAQmx_Val_ActiveLow	10096	Low state is the active state.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	float64
Description:	Specifies in seconds the pulse width of the exported Handshake Event if DAQmx_Exported_HshkEvent_OutputBehavior is DAQmx_Val_Pulse.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	char*
Description:	Specifies the terminal to which to route the Ready for Transfer Event.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	int32
Description:	Specifies the active level of the exported Ready for Transfer Event.

Valid values

DAQmx_Val_ActiveHigh	10095	High state is the active state.
DAQmx_Val_ActiveLow	10096	Low state is the active state.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	int32
Description:	Specifies when the ready for transfer event deasserts.

Valid values

DAQmx_Val_OnbrdMemMoreThanHalfFull	10237	Deassert the signal when more than half of the onboard memory of the device fills.
DAQmx_Val_OnbrdMemFull	10236	Deassert the signal when the onboard memory fills.
DAQmx_Val_OnbrdMemCustomThreshold	12577	Deassert the signal when the amount of space available in the onboard memory is below the value specified with DAQmx_Exported_RdyForXferEvent_DeassertCondCustomThreshold.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	uInt32
Description:	Specifies in samples the threshold below which the Ready for Transfer Event deasserts. This threshold is an amount of space available in the onboard memory of the device. DAQmx_Exported_RdyForXferEvent_DeassertCond must be DAQmx_Val_OnbrdMemCustomThreshold to use a custom threshold.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	char*
Description:	Specifies the terminal to which to export the Data Active Event.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	int32
Description:	Specifies the polarity of the exported Data Active Event.

Valid values

DAQmx_Val_ActiveHigh	10095	High state is the active state.
DAQmx_Val_ActiveLow	10096	Low state is the active state.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	char*
Description:	Specifies the terminal to which to route the Ready for Start Event.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	int32
Description:	Specifies the polarity of the exported Ready for Start Event.

Valid values

DAQmx_Val_ActiveHigh	10095	High state is the active state.
DAQmx_Val_ActiveLow	10096	Low state is the active state.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	char*
Description:	Specifies the terminal to which to route the Synchronization Pulse Event.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute

Data Type:	char*
Description:	Specifies the terminal to which to route the Watchdog Timer Expired Event.

You can get/set/reset this attribute using:   DAQmxGetExportedSignalAttribute   DAQmxSetExportedSignalAttribute   DAQmxResetExportedSignalAttribute