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July 2025
PXI-6238
PXI-6238, 8 Analog Input Channels, 37-Pin D-SUB I/O Connector, Multifunction I/O Module
Actual item may vary if no part number is provided on quote request.
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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
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May 2025
Gregg Flecki**** Verified Buyer
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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 PXI-6238 Digital Multifunction I/O Module
The NI PXI-6238 Digital Multifunction I/O Module (Part Number: 779624-01) comes with features such as bank isolation, 16 AI (16 bits, 1.25 MS/s), 2 AO, 6 DI, and 4 DO. Sourcing can auto-calibrate to correct displacement and adjust mistakes. The user can align the gadget to limit the AI and the errors caused by the drift of time and temperature at the time of execution. No outside circuit is vital; an inward reference guarantees high accuracy and solidness after some time and temperature changes.
Factory-calibration constants in this model are stored in an onboard EEPROM and cannot be changed. When the user self-adjusts the gadget, the software stores new constants in a client-modifiable area of the EEPROM. To restore a gadget to its initial industrial facility alignment settings, the software can duplicate the factory-calibration constants to the client modifiable area of the EEPROM.
In this model, sensors can produce electrical signals to quantify physical phenomena, such as temperature, force, sound, or light. Some regularly utilized sensors are strain gauges, thermocouples, thermistors, rotary encoders, linear encoders, and resistance temperature identifiers (RTDs).
The NI PXI-6238 Multifunction I/O Module has one analog-to-digital converter (ADC). The multiplexers (MUX) route one AI channel at a time to the ADC through the NI-PGIA. The NI programmable gain instrumentation intensifier (PGIA) is an estimation and instrument class intensifier that limits settling times for all information ranges. The NI-PGIA can open or lessen an AI signal to guarantee that the maximum resolution of the ADC is used.
| Model | PXI-6238 |
|---|---|
| Manufacturer | National Instruments |
| Part Number | 779624-01 |
| Series | M Series |
| Type | PXI Multifunction I/O Module |
| Single-Ended Analog Input Channels | 8 |
| Maximum Sample Rate | 250 kS/s |
| Dimensions | Standard 3U PXI |
| Weight | 5.1 oz. |
| PXI-6238 Manual | User Manual and Maintenance Manual Available for Download |
| Price | Request a quote |
Associated part numbers for PXI-6238:
National Instruments PXI-6238 Frequently Asked Questions
Question: What is the analog input timing accuracy of the NI PXI-6238?
Answer: The analog input timing accuracy of the Multifunction I/O Module is 50 ppm of the sample rate.
Question: How many differential analog input channels does the module have?
Answer: The PXI-6238 has 4 differential analog input channels.
Question: What is the input range of the PXI-6238?
Answer: The input range is ±20 mA, and the input coupling is DC.
Question: What is the minimum sample rate?
Answer: The NI PXI-6238 does not have a minimum sample rate, but the maximum sample rate is 250 kS/s.
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