The DNR-CAN-503 is a 4-port high-speed CAN interface for PowerDNA distributed automation and control system. This board (layer) is designed for communication with high-speed CAN devices up to 1 Mb/s. DNR-CAN-503 uses the Philips SJA1000 CAN Controller for advanced functionality such as listen-only, self-reception (echo), and advanced filtering modes and new transceivers for sleep/wakeup mode support.

The DNR-CAN-503 includes drivers and example code for use in Visual Basic, VB .NET, C#, J#, C/C++, OPC, DASYLab, LABVIEW (including Linux/Windows and Real-time), VEE, MATLAB, QNX and Linux.