©
National Instruments
7
NI 9866 Operating Instructions
Cabling Requirements for NI 9866
This section deals with cabling specifications, termination
resistors, cable lengths, and the number of LIN nodes that can exist
in a system.
Cable Specifications
LIN cables should meet the physical medium requirement of a bus
RC time constant of 5 µs. For detailed formulas for calculating this
value, refer to the
Line Characteristics
section of the LIN
specification. Belden cable (3084A) and other unterminated
CAN/Serial quality cables meet these requirements and should be
suitable for most applications.
Cable Lengths
The maximum allowable cable length is 40 m, per the LIN
specification.
Number of LIN Devices
The maximum number of devices on a LIN bus is 16, per the LIN
specification.
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