NI CAN/LIN/FlexRay/Automotive Ethernet Device Power Supply Requirements

Updated Jun 4, 2024

Reported In

Hardware

  • CAN Interface Device
  • Vehicle Multiprotocol Interface Device
  • Transceiver Cable
  • LIN Interface Device
  • FlexRay Interface Device
  • Automotive Ethernet Interface Device

Issue Details

I have a NI-CAN or NI-XNET device that I'm using, but I'm not sure whether I need an external power supply or not. Is there a list of which devices are internally or externally powered?

Solution

 

CAN Devices:

Device SeriesHigh-Speed (HS)Low-Speed (LS)Single Wire (SW)Software Selectable (XS)
NI-XNETPCIPCI-8512
Internal		PCI-8511
Internal		PCI-8513
External (8-18V)		PCI-8513
Mode Dependent
PXIPXI-8512
Internal		PXI-8511
Internal		PXI-8513
External (8-18V)		PXI-8513
Mode Dependent 
USBUSB-8502
Internal		USB-8501
Internal		XX
C SeriesNI 9862
External (9-30V)		NI 9861
External (9-30V)		XX
Transceiver
Cables		TRC-8542/8543
Internal		TRC-8543
External (9-30V)		XX
NI-CANPCI-CANPCI-CAN
Internal		PCI-CAN/LS
Internal		PCI-CAN/SW
External (9-18V)		PCI-CAN/XS
Mode Dependent
PCMCIA-CANPCMCIA-CAN/HS
PCMCIA-CAN/HS
Internal
PCMCIA-CAN/LS
Internal		PCMCIA-CAN/SW
External (8-18V)		X
PXI-846xPXI-8461
Internal		PXI-8460
Internal		PXI-8463
External (8-18V)		PXI-8464
Mode Dependent
USB-CANUSB-8473
Internal		USB-8472
Internal		XX
NI-RIONI 9853 Port 0:
Internal		NI 9852 Port 0:
External (8-36V)		XX
NI 9853 Port 1:
External (8-25V)		NI 9852 Port 1: 
External (8-36V)		XX


LIN Devices:

Device SeriesLINPower
NI-XNETPCIPCI-8516External (8-18V)
PXIPXI-8516
USBUSB-8506
C SeriesNI 9866
Transceiver
Cables		TRC-8546
NI-CANUSB-CANUSB-8476External (8-18V)


FlexRay Devices:

Device SeriesFlexRayPower
NI-XNETPCIPCI-8517Internal
PXIPXI-8517

 

Automotive Ethernet Devices:

NI-XNET Automotive Ethernet Devices (PXI-8521, PCI-8521, IVN-8561) do not require any external bus power. 

Additional Information

  • When using XNET transceiver cables with an NI 9860 C series module, the NI 9860 itself must also be powered externally (9-30V), in addition to bus power requirements shown in the table. Details can be found in the NI 9860 Getting Started Guide.

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