
Power Your Connectivity with NI's Multifunction I/O
One Device, Infinite Possibilities
Multifunction input/output, or MIO, DAQ devices combine core measurement functions into a single device
Why NI for DAQ?
Software
NI has the best software options for engineers to assemble automated test and measurement systems. These software options include:
Support and example code for Python, C/C++, VB .NET and C#
FlexLogger Lite, free logging software
LabVIEW, the test and measurement industry standard for graphical programming
The LabVIEW+ Suite, a test software suite that includes LabVIEW plus software for advanced analysis, signal processing, and test sequencing
Quality
NI hardware is known for reliability and measurement quality so engineers can have confidence in their data
Flexibility
Engineers use NI’s catalog of hardware to keep up with the change of their daily jobs. Instruments, sensor measurements, software for test; NI has it all
What can you do with multifunction I/O DAQ?
Measure
- Any ±10 volt signal
- Sensors that output ±10 volts
- Quadrature encoders
- Resolvers
- Pulse/event counting sensors like meters
- High-speed voltage signals
- Voltage drops across a shunt resistor for current measurement
- Battery cell voltages (±10 volt peak cell measurement)
- Power rails on USB/battery-powered electronic boards (PCBs)
- Linear potentiometers (string pots)
- Pulse-width-modulated (PWM) signals Low voltage current sensors
- Low voltage potential transformers
Generate and Control
- Read/write TTL digital lines
- Drive low current relays using digital lines
- Generate ±10 volt output control signals
- Generate ±10 volt signals to simulate sensors
- Generate pulse-width-modulated (PWM) signals
- Synchronize voltage, digital, and counter signal
Choose your MIO DAQ device
The NI DAQ hardware catalog includes devices for use with a Windows PC using USB or installing inside a desktop computer or PXI chassis.
Bus-Powered USB Devices
Model Number | USB-6001 | USB-6003 | USB-6421 | USB-6423 | USB-6451 | USB-6453 |
Part Number | 782604-01 | 782608-01 | 789887-01 | 789882-01 | 789888-01 | 789884-01 |
Analog Input Channels (Single-ended/Differential) | 8/4 | 8/4 | 16/8 | 32/16 | 16/8 | 32/16 |
Max Sampling Rate* | 20 kS/s (1 channel) | 50 kS/s (1 channel) | 250 kS/s (1 channel) | 250 kS/s (1 channel) | 1 MS/s/ch (8 channels) | 1 MS/s/ch (16 channels) |
Number of ADCs | 1 | 1 | 1 | 1 | 8 | 16 |
Simultaneous | NO | NO | NO | NO | YES | YES |
Resolution | 14-bit | 16-bit | 16-bit | 16-bit | 20-bit | 20-bit |
Analog Output Channels | 2 | 2 | 2 | 4 | 2 | 4 |
Digital I/O Channels | 13 (SW polled) | 13 (SW polled) | 16 | 16 | 16 | 16 |
Counters | 1 | - | 4 | 4 | 4 | 4 |
PCIe Devices to Install in Your Windows Computer
Model Number | PCIe-6320 | PCIe-6321 | PCIe-6323 | PCIe-6351 | PCIe-6363 |
Part Number | 781043-01 | 781044-01 | 781045-01 | 781048-01 | 781051-01 |
Analog Input Channels (Single-ended/Differential) | 16/8 | 16/8 | 32/16 | 16/8 | 32/16 |
Max Sampling Rate* | 250 kS/s (1 channel) | 250 kS/s (1 channel) | 250 kS/s (1 channel) | 1.25 MS/c (1 channels) | 2 MS/s (1 channels) |
Number of ADCs | 1 | 1 | 1 | 1 | 1 |
Simultaneous | NO | NO | NO | NO | NO |
Resolution | 16-bit | 16-bit | 16-bit | 16-bit | 16-bit |
Analog Output Channels | 0 | 2 | 4 | 2 | 4 |
Digital I/O Channels | 24 | 24 | 48 | 24 | 48 |
Counters | 4 | 4 | 4 | 4 | 4 |
Cables and Connector Blocks Needed | 1 of each | 1 of each | 2 of each | 1 of each | - |
PXI Devices to Install in a PXI chassis
Model Number | PXIe-6375 | PXIe-6363 | PXIe-6366 | PXIe-6349 | PXIe-6396 |
Part Number | 783634-01 | 781056-01 | 781057-01 | 785808-01 | 785927-01 |
Analog Input Channels (Single-ended/Differential) | 208/104 | 32/16 | 8/0 | 32/0 | 8/0 |
Max Sampling Rate* | 3.86 MS/s (1 channel) | 2 MS/s (1 channel) | 2 MS/s/ch | 500 kS/s/ch | 14 MS/s/ch |
Number of ADCs | 1 | 1 | 8 | 32 | 8 |
Simultaneous | NO | NO | YES | YES | YES |
Resolution | 16-bit | 16-bit | 16-bit | 16-bit | 18-bit |
Analog Output Channels | 2 | 4 | 2 | 2 | 2 |
Digital I/O Channels | 24 | 48 | 24 | 24 | 24 |
Counters | 4 | 4 | 4 | 4 | 4 |
Cables and Connector Blocks Needed | 4 of each | 2 of each | 1 of each | 2 of each | 1 of each |
Cables and connector blocks for PCIe and PXIe DAQ Devices
Description | Length | Part Number |
VHDCI Sheild Cables | 0.5m | 192061-0R5 |
1m | 192061-01 | |
2m | 192061-02 | |
5m | 192061-05 |
Key applications and use cases
Measurement systems and testbeds for research (Academic or commercial)
Automated test systems for product validation
Production test systems for electronic devices and subsystems

Build test systems from benchtop computers, laptops, or PXI systems