Application note from Analog Devices on CAN bus system isolation. Link here (PDF)
The intention of this application note is to give the user a brief overview of the CAN bus protocol, focusing on the system physical layer, as well as an understanding of why isolation is so important to the system. This application note also details how to implement isolation in a CAN bus system using Analog Devices’ iCoupler products.
from Dangerous Prototypes http://ift.tt/2q43i71