NI 654x/655x devices support configuring voltage levels for use with a predefined logic family during a acquisition or generation session. If you are using an NI 6547/6548/655x device, you can also configure custom voltage levels. Refer to Single-Ended Voltage Levels for information about restrictions when configuring custom voltage levels.

You can configure these voltage levels using the following VIs or functions.

LabVIEW VIs C Functions
Use one of the following instances of the niHSDIO Configure Voltage polymorphic VI:
  • niHSDIO Configure Data Voltage Logic Family
  • niHSDIO Configure Data Voltage Custom Levels
  • niHSDIO Configure Event Voltage Logic Family
  • niHSDIO Configure Event Voltage Custom Levels
  • niHSDIO Configure Trigger Voltage Logic Family
  • niHSDIO Configure Trigger Voltage Custom Levels
 niHSDIO_ConfigureDataVoltageLogicFamily, niHSDIO_ConfigureDataVoltageCustomLevels, niHSDIO_ConfigureEventVoltageLogicFamily, niHSDIO_ConfigureEventVoltageCustomLevels, niHSDIO_ConfigureTriggerVoltageLogicFamily, or niHSDIO_ConfigureTriggerVoltageCustomLevels