Communication Buses and Protocols
Whether you are communicating with devices such as process instruments, programmable logic controllers (PLCs), smart sensors, and single-loop controllers, or performing instrument control from your PC, National Instruments offers a variety of reliable and easy-to-use hardware and software tools to help you meet all your communication needs.
Featured Items
High-Performance LIN Interfaces
Learn more about NI LIN interfaces, including high-performance PXI and PCI LIN interfaces from the NI-XNET product family
Learn moreNI EtherCAT Systems
See the world's first EtherCAT slave with customizable field-programmable gate array (FPGA) intelligence
View product offeringNI Connectivity to Industrial Communications
Learn how NI talks with industrial protocols, such as Modbus, PROFIBUS, EtherNet/IP, and more
Learn moreProduct Results (44 Devices/Modules)
| Ports: | 1 |
| Transfer Rate: | 3.33 MHz (I2C) · 50 MHz (SPI) |
| Termination: | External |
| Ports: | 1 · LIN |
| Transfer Rate: | 20 kbits/s |
| Termination: | Software-Selectable |
| Ports: | 1 |
| Transfer Rate: | 125 kbits/s |
| Termination: | Software-Selectable |
| Ports: | 1 · High-Speed |
| Transfer Rate: | 1 Mbits/s |
| Termination: | Software-Selectable |
| Ports: | 1 · LIN |
| Transfer Rate: | 20 kbits/s |
| Termination: | Software-Selectable |
NI USB-9861
1-Port Low-Speed NI-XNET USB CAN Interface
Features | Specifications | Data Sheet
$ 259 - $ 695
| Ports: | 1 · Low-Speed/F.T. |
| Transfer Rate: | 125 kbits/s |
| Termination: | Software-Selectable |
NI USB-9862
1-Port High-Speed NI-XNET USB CAN Interface
Features | Specifications | Data Sheet
$ 259 - $ 695
| Ports: | 1 · High-Speed |
| Transfer Rate: | 1 Mbits/s |
| Termination: | Software-Selectable |
DNP3 (Distributed Network Protocol)
NI LabVIEW Driver for DNP3 Outstation Support
Features | Specifications | Data Sheet
$ 749
| Ports: | 1 |
| Ports: | 2 · LIN |
| Transfer Rate: | 20 kbits/s |
| Termination: | Software-Selectable |
| Ports: | 2 · LIN |
| Transfer Rate: | 20 kbits/s |
| Termination: | Software-Selectable |
NI CompactRIO PROFIBUS Master/Slave Module
Master/Slave Interface for PROFIBUS DP Networks
Features | Specifications | Data Sheet
$ 1,759
| Ports: | 1 |
| Transfer Rate: | 12000 kbits/s |
| Termination: | External |
NI CompactRIO PROFIBUS Slave Module
Slave Interface for PROFIBUS DP Networks
Features | Specifications | Data Sheet
$ 1,029
| Ports: | 1 |
| Transfer Rate: | 12000 kbits/s |
| Termination: | External |
NI USB-8486 With Mounting and USB Retention Screw
1-Port FOUNDATION Fieldbus for USB With Mountable Enclosure
Features | Specifications | Data Sheet
$ 2,020
| Ports: | 1 |
| Transfer Rate: | 31.25 kbits/s |
NI USB-8486
1-Port FOUNDATION Fieldbus Interface for USB
Features | Specifications | Data Sheet
$ 2,020
| Ports: | 1 |
| Transfer Rate: | 31.25 kbits/s |
| Ports: | 1 |
| Transfer Rate: | 500 kbits/s |
| Termination: | External |
| Ports: | 1 |
| Transfer Rate: | 500 kbits/s |
| Termination: | External |
| Ports: | 2 |
| Transfer Rate: | 10 Mbits/s |
| Termination: | Software-Selectable |
NI PXI-8513/2
2-Port Software-Selectable NI-XNET CAN Interface, PXI
Features | Specifications | Data Sheet
$ 2,025
| Ports: | 2 · High-Speed · Low-Speed/F.T. · Single-Wire · Software-Selectable |
| Transfer Rate: | 1 Mbits/s |
| Termination: | Software-Selectable |
NI PXI-8513
1-Port Software-Selectable NI-XNET CAN Interface, PXI
Features | Specifications | Data Sheet
$ 1,390
| Ports: | 1 · High-Speed · Low-Speed/F.T. · Single-Wire · Software-Selectable |
| Transfer Rate: | 1 Mbits/s |
| Termination: | Software-Selectable |
NI PXI-8512
1-Port High-Speed NI-XNET CAN Interface, PXI
Features | Specifications | Data Sheet
$ 1,065
| Ports: | 1 · High-Speed |
| Transfer Rate: | 1 Mbits/s |
| Termination: | Software-Selectable |
NI PXI-8511/2
2-Port Low-Speed/Fault-Tolerant NI-XNET CAN Interface, PXI
Features | Specifications | Data Sheet
$ 1,600
| Ports: | 2 · Low-Speed/F.T. |
| Transfer Rate: | 125 kbits/s |
| Termination: | Software-Selectable |
NI PXI-8511
1-Port Low-Speed/Fault-Tolerant NI-XNET CAN Interface, PXI
Features | Specifications | Data Sheet
$ 1,065
| Ports: | 1 · Low-Speed/F.T. |
| Transfer Rate: | 125 kbits/s |
| Termination: | Software-Selectable |
| Ports: | 2 |
| Transfer Rate: | 10 Mbits/s |
| Termination: | Software-Selectable |
NI PCI-8513
1-Port Software-Selectable NI-XNET CAN Interface, PCI
Features | Specifications | Data Sheet
$ 1,390
| Ports: | 1 · High-Speed · Low-Speed/F.T. · Single-Wire · Software-Selectable |
| Transfer Rate: | 1 Mbits/s |
| Termination: | Software-Selectable |
NI PCI-8512/2
2-Port High-Speed NI-XNET CAN Interface, PCI
Features | Specifications | Data Sheet
$ 1,600
| Ports: | 2 · High-Speed |
| Transfer Rate: | 1 Mbits/s |
| Termination: | Software-Selectable |
NI PCI-8512
1-Port High-Speed NI-XNET CAN Interface, PCI
Features | Specifications | Data Sheet
$ 1,065
| Ports: | 1 · High-Speed |
| Transfer Rate: | 1 Mbits/s |
| Termination: | Software-Selectable |
NI PCI-8511
1-Port Low-Speed/Fault-Tolerant NI-XNET CAN Interface, PCI
Features | Specifications | Data Sheet
$ 1,065
| Ports: | 1 · Low-Speed/F.T. |
| Transfer Rate: | 125 kbits/s |
| Termination: | Software-Selectable |
PXI PROFIBUS Interface
Master/Slave for PROFIBUS DP Networks
Features | Specifications | Data Sheet
$ 1,649
| Ports: | 1 |
| Transfer Rate: | 12000 kbits/s |
| Termination: | External |
PCI PROFIBUS Interface
Master/Slave for PROFIBUS DP Networks
Features | Specifications | Data Sheet
$ 1,649
| Ports: | 1 |
| Transfer Rate: | 12000 kbits/s |
| Termination: | External |
NI USB-8476s
1-Port, LIN Interface for USB With Synchronization
Features | Specifications | Data Sheet
$ 620
| Ports: | 1 · LIN |
| Transfer Rate: | 20 kbits/s |
| Termination: | Software-Selectable |
| Ports: | 1 · LIN |
| Transfer Rate: | 20 kbits/s |
| Termination: | Software-Selectable |
NI USB-8473s
1-Port, High-Speed CAN, USB Interface With Synchronization
Features | Specifications | Data Sheet
$ 620
| Ports: | 1 · High-Speed |
| Transfer Rate: | 1 Mbits/s |
| Termination: | External |
| Ports: | 1 · High-Speed |
| Transfer Rate: | 1 Mbits/s |
| Termination: | External |
NI USB-8472s
1-Port, Low-Speed/Fault-Tolerant CAN, USB Interface w/ Sync
Features | Specifications | Data Sheet
$ 620
| Ports: | 1 · Low-Speed/F.T. |
| Transfer Rate: | 125 kbits/s |
| Termination: | Software-Selectable |
NI USB-8472
1-Port, Low-Speed/Fault-Tolerant CAN, USB Interface
Features | Specifications | Data Sheet
$ 413
| Ports: | 1 · Low-Speed/F.T. |
| Transfer Rate: | 125 kbits/s |
| Termination: | Software-Selectable |
NI 9852
2-Port, Low-Speed/Fault-Tolerant CAN Module for CompactRIO
Features | Specifications | Data Sheet
$ 1,230
| Ports: | 2 · Low-Speed/F.T. |
| Transfer Rate: | 125 kbits/s |
| Termination: | Software-Selectable |
| Ports: | 1 |
| Transfer Rate: | 250 kHz (I2C) · 12 MHz (SPI) |
| Termination: | External |
NI 9853
2-Port, High-Speed CAN Module for NI CompactRIO
Features | Specifications | Data Sheet
$ 1,230
| Ports: | 2 · High-Speed |
| Transfer Rate: | 1 Mbits/s |
| Termination: | External |
| Ports: | 2 |
| Transfer Rate: | 31.25 kbits/s |
| Termination: | External |
PCMCIA-CAN/DS Series 2
2 Port, Dual-Speed CAN PCMCIA-Interface
Features | Specifications | Data Sheet
$ 1,600
| Ports: | 2 · High-Speed · Low-Speed/F.T. |
| Transfer Rate: | 1 Mbits/s · 125 kbits/s |
| Termination: | External |
PCMCIA-CAN/LS Series 2
1-Port, Low-Speed/Fault-Tolerant PCMCIA-CAN Interface
Features | Specifications | Data Sheet
$ 1,230
| Ports: | 1 · Low-Speed/F.T. |
| Transfer Rate: | 125 kbits/s |
| Termination: | External |
PCMCIA-CAN Series 2
1 Port, High-Speed PCMCIA-CAN Interface
Features | Specifications | Data Sheet
$ 1,390
| Ports: | 1 · High-Speed |
| Transfer Rate: | 1 Mbits/s |
| Termination: | External |
NI PCMCIA-FBUS/2 Series 2
2-Port FOUNDATION Fieldbus Interface for PCMCIA
Features | Specifications | Data Sheet
$ 4,140
| Ports: | 2 |
| Transfer Rate: | 31.25 kbits/s |
| Termination: | External |
NI PCMCIA-FBUS Series 2
1-Port FOUNDATION Fieldbus Interface for PCMCIA
Features | Specifications | Data Sheet
$ 2,795
| Ports: | 1 |
| Transfer Rate: | 31.25 kbits/s |
| Termination: | External |
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