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.

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Product Results (49 Devices/Modules)

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1

NI ExpressCard-8421/2

2-Port, ExpressCard/34, RS485/RS422 Serial Interface

$ 319

Ports: 2 · RS-422
Transfer Rate: 460.8 kbits/s
Devices/Port: 31
2

NI PXI-8430/8 (RS232)

High-Performance, 8-Port Serial Interface for PXI

$ 872

Ports: 8 · RS-232
Transfer Rate: 1 Mbits/s
Devices/Port: 1
3

NI PXI-8431/8 (RS485/RS422)

High-Performance, 8-Port Serial Interface for PXI

$ 923

Ports: 8 · RS-422
Devices/Port: 31
4

NI PXI-8432/4 (RS232)

High-Performance, Isolated 4-Port Serial Interface for PXI

$ 760

Ports: 4 · RS-232
Transfer Rate: 1000 kbits/s
Devices/Port: 1
5

NI PXI-8433/4 (RS485/422)

High-Performance, Isolated 4-Port Serial Interface for PXI

$ 816

Ports: 4 · RS-422
Transfer Rate: 3 Mbits/s
Devices/Port: 31
6

NI PCI-8430/8 (RS232)

High-Performance 8-Port Serial Interface for PCI

$ 752

Ports: 8 · RS-232
Transfer Rate: 1 Mbits/s
Devices/Port: 1
7

NI ENET-232/2

2-Port Ethernet Interface for RS232

$ 775

Ports: 2 · RS-232
Transfer Rate: 230.4 kbits/s
Devices/Port: 1
8

NI ENET-232/4

4-Port Ethernet Interface for RS232

$ 985

Ports: 4 · RS-232
Transfer Rate: 230.4 kbits/s
Devices/Port: 1
9

NI ENET-485/2

2-Port Ethernet Interface for RS485/RS422

$ 830

Ports: 2 · RS-422
Transfer Rate: 460.8 kbits/s
Devices/Port: 31
10

NI ENET-485/4

4-Port Ethernet Interface for RS485/RS422

$ 1,035

Ports: 4 · RS-422
Transfer Rate: 460.8 kbits/s
Devices/Port: 31

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