Cable Specifications - National Instruments NI 9853 Operating Instructions Manual

Cabling Requirements for NI 9853
This section deals with cabling specifications, termination
resistors, cable lengths, and the number of CAN nodes that can
exist in a system.

Cable Specifications

Cables should meet the physical medium requirements specified in
ISO 11898, shown in Table 3. Belden cable (3084A) meets all of
those requirements, and should be suitable for most applications.
Table 3. ISO 11898 Specifications for Characteristics of a CAN_H and
Characteristic
Impedance
Length-related
resistance
Specific line delay
NI 9853 Operating Instructions
CAN_L Pair of Wires
95 Ω minimum, 120 Ω nominal, 140 Ω maximum
70 mΩ/m nominal
5 ns/m nominal
12
Value
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