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July 2025
PCI-8431-8
PCI-8431/8, 8-Port, RS-485/RS-422 Serial Interface Device
Actual item may vary if no part number is provided on quote request.
✔ 2 Year Warranty Included
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✔ 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 PCI-8431/8 Serial Interface Device
This Serial Interface Device (RS485/RS422) is a PCI with 8 ports. The PCI-8431/8 (Part Number: 779148-01) offers AT serial equipment with up to 2000 V of optical detachment for protected, solid communication in modern conditions. Disconnected ports give solid communication in circumstances including ground circles from various ground levels or high basic mode voltage actuated on the lines in loud situations. The disengagement between every communication port on the PCI-8431/8 device and the host PC guarantees the sheltered task of the PC and the gadgets associated with different ports on a similar board amid unplanned high voltages or line floods on communication lines. The device has a power requirement of 1.3 A typical and 1.9 A maximum at +5 VDC.
The NI PCI-8431/8 RS485 Serial Interface Device bolsters four equipment handset control modes, including a propelled 2-wire restraint mode that expels the weight of handset control from the user’s application. Users can utilize equipment handset control to empower and debilitate their transmitters and recipients with the goal that they work on various bus topologies. With LabVIEW, a simple to-utilize graphical improvement condition, the user can obtain information from a large number of various instruments, including serial gadgets, IEEE 488.2 gadgets, VXI gadgets, programmable rationale controllers, and module DAQ boards. After the user has gained the information, they can change it over into significant outcomes by utilizing the intense information examination schedules in LabVIEW. LabVIEW additionally accompanies several instrument drivers, which drastically decreases the user’s product advancement time since the user does not need to program the low-level control of each instrument. The device is equipped with a 68-pin SCSI I/O connector. It has a maximum baud rate of 3000 kbits per second. It has a FIFO size of 128 bytes.
The NI device weighs 85 g, and measures 4.2 x 5.7 in. in physical dimensions. It has recommended operating and storage temperature ranges of 0 to 55 °C and –20 to 70 °C respectively, operating and storage humidity ranges of 10 to 90% and 5 to 95% respectively.
PCI-8431/8 Mature Status has been announced by National Instruments, but will still be available for purchase and repairs by Apex Waves.
| Model | PCI-8431-8 |
|---|---|
| Manufacturer | National Instruments |
| Part Number | 779148-01 |
| Type | RS485/RS422 Serial Interface Device |
| Standard | RS-485/RS-422 |
| Number of Ports | 8 |
| Isolated | No |
| Maximum Baud Rate | 3000 kbits/s (3 Mbps) |
| Connector Type | 68-pin SCSI |
| FIFO Size | 128 Bytes |
| Power Requirements | +5 VDC -- 1.3 A |
| Dimensions | 4.2 in.× 5.7 in. |
| Weight | 0.19 lb. |
| Software Driver | NI-Serial |
| PCI-8431/8 Manual | User Manual and Maintenance Manual Available for Download |
| Price | Contact a sales representative for a quote. |
Associated part numbers for PCI-8431-8:
National Instruments PCI-8431/8 Frequently Asked Questions
Question: What type of connection does the PCI-8431/8 have?
Answer: The PCI-8431/8 has a 68 pin SCSI type connector.
Question: What is the maximum transfer rate of the PCI-8431/8?
Answer: The PCI-8431/8's maximum transfer rate is 2,000 kb/s
Question: What is the power requirement for the PCI-8431/8?
Answer: The PCI-8431/8 has a power requirement of +5 VDC, 1.3 A typical and 1.9 A maximum.
PCI-8431-8 PDF Manuals
ARCHIVED--NI-SERIAL-HARDWARE-SPECIFICATIONS-AND-FEATURES-GUIDE.PDF
ARCHIVED--NI-SERIAL-HARDWARE-SPECIFICATIONS-GUIDE.PDF
NI-PCI-PXI-843X--8-AND-16-PORT--LETTER-OF-VOLATILITY.PDF
NI-SERIAL-HARDWARE-SPECIFICATIONS-AND-FEATURES-GUIDE.PDF
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