Cabling Requirements for High-Speed CAN

NI-XNET Hardware and Software Help

Edition Date: November 2018

Part Number: 372841U-01

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Cables should meet the physical medium requirements specified in ISO 11898, shown in the following table.

Belden cable (3084A) meets all these requirements and should be suitable for most applications.

Characteristic Value
Impedance 108 minimum, 120 nominal, 132 maximum
Length-related resistance 70 m /m nominal
Specific line delay 5 ns/m nominal

ISO 11898 Specifications for Characteristics of a CAN_H and CAN_L Pair of Wires

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