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July 2025
NI-9422
NI-9422, 8-Channel Sinking/Sourcing Input, C Series Digital Module
Actual item may vary if no part number is provided on quote request.
✔ 2 Year Warranty Included
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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
Bob C**** Verified Buyer
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May 2025
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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 NI-9422 C Series Digital Module
The NI-9422 (Part Number: 779522-01) is a C Series Digital Module, which comes with 24 V to 60 V, 8 Digital Input Channels (Sinking/Sourcing Input), Screw Terminal front connectors, and 250 μs maximum update rate. In addition, this module has a Measurement Time which indicates the measure of time over which to quantify and normal numerous times of the information signal.
The counter will go into Dynamic Averaging mode once both the Divisor and the Measurement Time esteems are set. In this mode, the counter at the same time plays out the estimation considering both the Divisor and Measurement Time settings, and returns whichever estimation finishes first.
A quadrature encoder can have up to three channels: A, B, and Z. When channel A leads direct B in a quadrature cycle, the counter augmentations. At the point when channel B drives channel A in a quadrature cycle, the counter decrements. The measure of augmentations and decrements per cycle relies upon the kind of encoding: X1, X2, or X4.
It is possible to take position estimations with the NI 9422 module. The counter measures position utilizing an encoder The NI 9422 returns the current encoder tally esteem when the counter is perused.
The NI-9422 C Series Digital Module has adaptable signal steering highlights. The information signs to the counters can be directed from any of the eight computerized input terminals. By designing the counter properties, the user has the chance to change the signal directing.
| Model | NI-9422 |
|---|---|
| Manufacturer | National Instruments |
| Part Number | 779522-01 |
| Type | C Series Digital Module |
| Digital Input Channels | 8 |
| Digital I/O Logic Levels | 24V, 48V |
| Maximum Update Rate | 250 us |
| Front Connector | Screw Terminal |
| Weight | 4.7 oz. |
| NI-9422 Manual | User Manual and Maintenance Manual Available for Download |
| Price | Contact a sales representative for a quote. |
Associated part numbers for NI-9422:
National Instruments NI-9422 Frequently Asked Questions
Question: What are the power requirements for the NI 9422?
Answer: The NI 9422 requires 55 mW maximum from the chassis in active mode and 2 mW maximum in sleep mode.
Question: What is the digital I/O isolation of the NI-9422?
Answer: The digital I/O isolation of the NI-9422 is 250 Vrms Ch-Ch Isolation.
Question: What input impedance should I anticipate when utilizing the NI 9422 module?
Answer: National Instruments does not stipulate an input impedance for the NI 9422 and other similar C Series modules since impedance is a powerful function of voltage. Instead, NI states that knowing the current to anticipate at a specified voltage is more helpful.
Question: What is the I/O protection of the NI-9422?
Answer: The I/O protection of the NI-9422 is 250 Vrms maximum for input voltage and 4 mA maximum, internally limited for input current.
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