Anonymous Verified Buyer
" Very responsive and helpful, competitive pricing. Good source! "
July 2025
PXIe-8431-16
PXIe-8431/16, 16-Port, RS-422/RS-485 Supported Protocols, PXI Serial Interface 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 PXIe-8431/16 PXI Serial Interface Module
The PXIe-8431/16 (Part Number: 781473-02) is a Serial Interface Module with an RS485/RS422 interface that comes with 16 Ports. The user can choose either 4 and 2-wire handset modes for medium and full duplex communication. The NI PXIe-8431/16 additionally appears as a basic COM port, for similarity with programs that use serial communications. The National Instruments ENET-232 and ENET-485 serial gadget servers associate either 100BaseTX (100 Mb/s) or 10BaseT (10 Mb/s) Ethernet systems to offbeat serial ports for correspondence.
Stop bit is an included function on the PXIe-8431/16, which enables a module or PC to process synchronization if there should arise a failure. For instance, noise on line can hid begin bit. Span amongst beginning and stop bits is consistent and relies upon speed, number of information bits inside the message, and equality bit presence. If the receiver recognizes off state when stop bit ought to be available, the mistake is distinguished.
The NI PXIe-8431/16 comes with a basic RS-485 interface that permits just 32 transmitter/beneficiary sets. The providers have extended the chances of RS-485, so now it can bolster from 128 to 255 gadgets on one line, and by utilizing the number of gadgets for all intents and purposes have no confinements. In RS-485, it is conceivable. In the event of long wires, it is important to utilize eliminators, which are inserted to the gadget with RS485 convention (although if there should arise an event of short wires it is conceivable that the signal will be debilitated by utilizing eliminators). The RS-485 standard likewise permits the utilization of a protected twisted pair link. It is conceivable to utilize a 4-wire twisted match.
| Model | PXIe-8431-16 |
|---|---|
| Part Number | 781473-02 |
| Manufacturer | National Instruments |
| Type | PXI Serial Interface Module |
| Serial Channels | 16 |
| Supported Serial Protocols | RS-422, RS-485 |
| Isolated | No |
| Dimensions | 3.94 x 6.37 in. |
| Weight | 155 g. |
| PXIe-8431/16 Manual | User Manual and Maintenance Manual Available for Download |
| Price | Contact a sales representative for a quote. |
Associated part numbers for PXIe-8431-16:
National Instruments PXIe-8431/16 Frequently Asked Questions
Question: What is the maximum baud rate for the PXIe-8431/16?
Answer: The maximum baud rate is 3 Mbps.
Question: Does the NI PXIe-8431/16 have RS-485 transceiver control capability?
Answer: Yes, the has RS-485 transceiver control capability.
Question: What is the maximum cable length for the RS-485 interface on the PXIe-8431/16?
Answer: The maximum cable length is 30 m.
Question: Which type of transmission lines does the RS-485 and RS-422 interfaces on the NI PXIe-8431/16 have?
Answer: The RS-485 and RS-422 interfaces both have differential transmission lines.
Delivery:
Eligible returns may be accepted within 30 days at Apex Waves’ discretion. A 25% restocking fee applies; non-refundable and built-to-order products are excluded.
Payment:
Receive Price & Availability Today!
Ask About Our Tiered Calibration Levels
Option & Modules:
Confirm Your Requirements or Versions
Cost & Lead Time Available Upon Request for Service
Repair Evaluation: $150
Common Typos:
Why Buy From Apex Waves:
