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National Instruments · VXI

VXI-DIO-128

The National Instruments VXI-DIO-128 is a digital I/O module for VXIbus. NI documentation identifies configurable input-port logic thresholds and requires NI-DAQ 6.9.x or earlier for programming this legacy device.

ManufacturerNational Instruments

ModelVXI-DIO-128

Product TypeDigital I/O module

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FunctionDigital input/output

InterfaceVXIbus

Input configurationLogic threshold configurable per input port

Driver requirementNI-DAQ 6.9.x or earlier

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Overview

Product overview

Key product information and technical features.

The VXI-DIO-128 provides digital input/output within the National Instruments VXI equipment platform. The archived LabVIEW Function and VI Reference Manual specifically lists per-input-port logic-threshold configuration for this model.

Software selection is important when integrating this module. NI lists the VXI-DIO-128 among devices unsupported by NI-DAQmx 7.x and later and Traditional NI-DAQ 7.x, and directs users to NI-DAQ 6.9.x or earlier.

Digital input/output module for the VXIbus platform.
Input-port logic-threshold configuration supported independently per input port.
Documented in NI's archived LabVIEW advanced digital I/O reference.

Verified specifications

Technical data

Verified product specifications.

Product function	Digital input/output
Bus interface	VXIbus
Input logic-threshold configuration	Configurable per input port

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National Instruments

Manufacturer

VXIbus

Instrumentation bus platform

VXI-DIO-128

Digital I/O module

Legacy programming environment

NI specifies NI-DAQ 6.9.x or earlier for this device.

Confirm the controller, operating system, driver versions, and signal connections before integration; do not assume NI-DAQmx support.

Manuals & software

Technical resources

Manuals, software and technical resources for this model.

NI-DAQmx 8.1 Readme — Devices No Longer SupportedDriver Readme · download.ni.com

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Archived LabVIEW Function and VI Reference ManualProgramming Reference · download.ni.com

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LabVIEW Advanced Digital I/O Reference — Device-Specific ParametersTechnical resource

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FAQ

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Product-specific answers based on available technical information.

What type of module is the VXI-DIO-128?

It is a National Instruments digital input/output module for VXIbus.

Does the VXI-DIO-128 support NI-DAQmx?

NI lists this model as unsupported in NI-DAQmx 7.x and later and Traditional NI-DAQ 7.x. The official readme specifies NI-DAQ 6.9.x or earlier for programming it.

Can the input logic threshold be configured?

Yes. NI's archived LabVIEW reference lists input-port logic-threshold configuration as supported per input port. The cited table does not specify a numerical threshold range.