© National Instruments Corp. 13 NI 9852 Operating Instructions

Number of CAN Nodes

The maximum number of nodes depends on the electrical
characteristics of the nodes on the network. If all of the nodes meet
the requirements of Low-Speed/Fault-Tolerant CAN, up to
32nodes may be connected to the bus.
NI 9852 Hardware Overview
The NI 9852 has two full-featured, independent CAN ports that are
isolated from each other, and from the other modules in the system.
Each port of the NI 9852 has a PhilipsSJA1000 CAN controller
that is CAN 2.0B-compatible and fully supports both 11-bit
and29-bit identifiers. Each port also has a Philips TJA1054A
Low-Speed/Fault-Tolerant CAN that is fully compatible with the
ISO11898 standard and supports baud rates up to 125 Kbps.