Serial Interfaces for RS232, RS485, and RS422
National Instruments offers high-quality, reliable serial interfaces for communications with laboratory instruments, industrial devices, and embedded circuits using RS232, RS485, and RS422. NI serial interfaces work on all major PC platforms with a variety of port and isolation options.
Featured Items
New PCI Express Serial Interfaces
8- and 16-port RS232 and RS485 serial interfaces for PCI Express systems
View pricing and specsNI CompactRIO Serial Interfaces
Adding RS232 and RS485 serial ports to CompactRIO embedded control systems
View pricing and specsUSB Serial Interfaces
Low-cost, highly flexible 1-, 2-, and 4-port serial interfaces for USB
View pricing and specsProduct Results (53 Devices/Modules)
NI ExpressCard-8421/2
2-Port, ExpressCard/34, RS485/RS422 Serial Interface
Features | Specifications | Data Sheet
$ 308
| Ports: | 2 · RS-422 |
| Transfer Rate: | 460.8 kbits/s |
| Devices/Port: | 31 |
| Digital I/O: | 2 DIO |
| Ports: | 1 |
| Transfer Rate: | 230400 bits/s |
| Devices/Port: | 1 |
NI PXI-8430/8 (RS232)
High-Performance, 8-Port Serial Interface for PXI
Features | Specifications | Data Sheet
$ 823
| Ports: | 8 · RS-232 |
| Transfer Rate: | 1 Mbits/s |
| Devices/Port: | 1 |
| Digital I/O: | 2 DIO |
| Ports: | 1 · RS-485 |
| Transfer Rate: | 230400 bits/s |
| Devices/Port: | 32 |
NI PXI-8431/8 (RS485/RS422)
High-Performance, 8-Port Serial Interface for PXI
Features | Specifications | Data Sheet
$ 874
| Ports: | 8 · RS-422 |
| Devices/Port: | 31 |
NI PXI-8431/8 (RS485/RS422)
High-Performance, 8-Port Serial Interface for PXI
Features | Specifications | Data Sheet
$ 874
| Ports: | 8 · RS-422 |
| Devices/Port: | 31 |
NI PXI-8432/4 (RS232)
High-Performance, Isolated 4-Port Serial Interface for PXI
Features | Specifications | Data Sheet
$ 720
| Ports: | 4 · RS-232 |
| Transfer Rate: | 1000 kbits/s |
| Devices/Port: | 1 |
NI PXI-8433/4 (RS485/422)
High-Performance, Isolated 4-Port Serial Interface for PXI
Features | Specifications | Data Sheet
$ 771
| Ports: | 4 · RS-422 |
| Transfer Rate: | 3 Mbits/s |
| Devices/Port: | 31 |
NI PCI-8430/8 (RS232)
High-Performance 8-Port Serial Interface for PCI
Features | Specifications | Data Sheet
$ 720
| Ports: | 8 · RS-232 |
| Transfer Rate: | 1 Mbits/s |
| Devices/Port: | 1 |
| Ports: | 2 · RS-232 |
| Transfer Rate: | 230.4 kbits/s |
| Devices/Port: | 1 |
It's not what we make, it's what we make possible.
NI is a global leader in providing test, measurement, and embedded systems for engineers and scientists.
We were voted…
Privacy | Terms of Use | Other Legal Info | © 2013 National Instruments Corporation. All rights reserved.