
Chapter2 HardwareOverview
©NationalInstruments Corporation 2-11 NI5911 User Manual
Figure2-6. High-HysteresisAnalog Triggering Mode
In high-hysteresis analog triggering mode, the trigger is generated when a
signalcrosses above the hysteresis value and then crosses above the trigger
value.The signal must cross back below the hysteresis value before another
triggeris g enerated.
Figure2-7. Low-HysteresisAnalog Triggering Mode
Inlow-hysteresis analog triggering mode, the trigger is generated when the
signalcrosses below the hysteresis value and then crosses the trigger value.
The signal must cross back abovethe hysteresis value before another
triggeris g enerated.
Trigger
Value
Trigger
Hysteresis
Value
FallingEdge Trigger
RisingEdge Trigger
Hysteresis
Value
Trigger
Trigger
Value
FallingEdge Trigger
RisingEdge Trigger