Anonymous Verified Buyer
" Very responsive and helpful, competitive pricing. Good source! "
July 2025
VXI-DIO-128
VXI-DIO-128, 128-Channel, C-size, Digital I/O Module
Actual item may vary if no part number is provided on quote request.
✔ 2 Year Warranty Included
✔ Free Domestic Ground Shipping
✔ NIST Calibration Available
Andrew Gar**** Verified Buyer
" Amazing to work with and had my order within 1 week after purchasing with all NI certs and data that were needed. "
March 2025
Said Sai**** Verified Buyer
" Competent contact for highly specialized components. The support team is very knowledgeable. Many thanks for the help and the fast shipping! "
January 2025
Bob C**** Verified Buyer
" Jason was able to get our emergency situation taken care of quickly and professionally. "
May 2025
Gregg Flecki**** Verified Buyer
" Great service and great products. This is my 2nd time using Apex Waves, truly impressed. "
January 2025
Carol Zimme**** Verified Buyer
" Very responsive and helpful, competitive pricing. Good source! "
July 2025
Andrew Gar**** Verified Buyer
" Amazing to work with and had my order within 1 week after purchasing with all NI certs and data that were needed. "
March 2025
Said Sai**** Verified Buyer
" Competent contact for highly specialized components. The support team is very knowledgeable. Many thanks for the help and the fast shipping! "
January 2025
Bob C**** Verified Buyer
" Jason was able to get our emergency situation taken care of quickly and professionally. "
May 2025
Gregg Flecki**** Verified Buyer
" Great service and great products. This is my 2nd time using Apex Waves, truly impressed. "
January 2025
National Instruments VXI-DIO-128 Digital I/O Module
The VXI-DIO-128 (Part Number: 777161-01) is a Digital I/O Module for VXI. The NI VXI-DIO-128 is manufactured by National Instruments. The VXI-DIO-128 is designed specifically for VXIbus systems. This Digital I/O Module is capable of reading switches and drive relays. The NI VXI-DIO-128 is equipped with an I/O connector. This connector is installed on the front panel of the Digital I/O Module. This I/O connector is the link through which all channels are accessed. The VXI-DIO-128 module comes with NI-DAQ driver software.
This Digital I/O Module is a 128-channel module. Half of the channels are designated as digital inputs, while the other channels are used as digital output signals. The National Instruments VXI-DIO-128 has 8 PPIs. These PPIs have 16-bit resolution. However, these 16-bit ports are reconfigurable and can be used as 8-bit ports as well. In 8-bit mode, 8 ports are inputs and the other 8 are outputs. The input and output channels are controlled by 82C55A PPI chips. The NI VXI-DIO-128 has a total of 8 PPI chips: 4 for inputs and 4 for outputs.
The National Instruments VXI-DIO-128 can interface a VXIbus system with several devices, including panel meters, solid-state relays, LEDs, electromechanical relays, and I/O module mounting racks. This Digital I/O Module is ideal for a broad variety of applications. The main uses of the NI VXI-DIO-128 are in the field, product and laboratory testing, process monitoring, and industrial control applications.
VXI-DIO-128 Obsolete Status has been announced by National Instruments, but the module will still be available for purchase and repairs by Apex Waves.
| Model | VXI-DIO-128 |
|---|---|
| Manufacturer | National Instruments |
| Type | Digital I/O Module |
| Channels | 128 |
| Input Logic Threshold | -32 to +31.75 V |
| Input Impedance | 160 kΩ |
| Voltage Range | ±42 V |
| Dimensions | VXI C-size single slot |
| I/O Connector | 96-pin |
| VXI-DIO-128 Manual | User Manual and Maintenance Manual Available for Download |
| Price | Contact a sales representative for a quote. |
Associated part numbers for VXI-DIO-128:
VXI-DIO-128 PDF Manuals
ARCHIVED--LABVIEW-DATA-ACQUISITION-BASICS-MANUAL.PDF
ARCHIVED--LABVIEW-FUNCTION-AND-VI-REFERENCE-MANUAL.PDF
ARCHIVED--NI-DAQ-USER-MANUAL-FOR-PC-COMPATIBLES.PDF
ARCHIVED--RELEASE-NOTES--USING-YOUR-NI-DAQ-SOFTWARE-WITH-YOUR-VXI-DAQ-MODULE.PDF
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