© National Instruments Corp. 9 NI 9852 Operating Instructions
Figure 1. CAN Bus Topology and Termination Resistor Locations
Connecting a CAN Bus to the NI 9852Each port of the NI 9852 can be connected to any location on a
CAN bus. Figure2 shows one example of the connection of CAN0
of the NI 9852 directly to one CAN node, and CAN1 directly to
another CAN node. CAN0 and CAN1 require an external power
supply on the CAN bus.
RTL CAN_L RTH CAN_H RTL CAN_L RTH CAN_H RTL CAN_L RTH CAN_H
CAN_H
CAN_L
Low-speed/Fault-Tolerant
CAN Device
Low-speed/Fault-Tolerant
CAN Device
Low-speed/Fault-Tolerant
CAN Device