Software-Controlled CAN Bus Termination in NI-XNET

Updated Oct 30, 2018

Reported In

Hardware

  • PXIe-8510
  • PXI-8512
  • PCI-8512
  • PCI-8513
  • PXI-8513

Driver

  • NI-XNET

Issue Details

Which NI-XNET devices have a software-controlled termination of the CAN bus?

Solution

NI-XNET devices feature software selectable bus termination for High-Speed CAN transceivers. On the PXI-8512, PCI-8512, PCI-8513 (in high-speed mode), or PXI-8513 (in high-speed mode), you can enable 120 Ω termination resistors between CAN_H and CAN_L through an API call. The PXIe-8510 is an NI-XNET device card, and also has a CAN termination property that configures the onboard termination of the NI-XNET CAN connector (port).

If the termination property is set to off, the termination is disabled. If the termination property is set to on, a 120 Ω termination is enabled.

Additional Information

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