CANopen Basics for cRIO

This example shows how to do basic CANopen operations like NMT, SDO and PDO with cRIO NI 985x modules.

One example shows how to write and read PDOs to write and read values to or from a CANopen device. The second example shows how to write and read SDOs to change or read device parameters.

Links

FPGA CAN Engine with CANopen Protocol Reference Example - A more advanced example for CANopen and cRIO

NI CANopen LabVIEW Library - CANopen library for PCI/PXI NI CAN hardware 

Requirements

Filename: criocanopenbasic.zip

Software Requirements

Application Software: LabVIEW Full Development System 8.2
Language(s): LabVIEW

Hardware Requirements

Hardware Group: CompactRIO, Reconfigurable I/O (RIO)
Driver: NI-RIO 2.3

Reader Comments | Submit a comment »

the project was not running for me. So I putted the timings on the Read PDO vi to solve the connection problem. But the main issue is given by the error terminal conected to the case structure on the FPGA vi. Because of a timeout error it avoid to reset the boolean Ready and so lock averything. Delete the case structure and it works again! Enjoy it! ;)
- Davide Galli, University of Bologna. davidegalli43@gmail.com - Dec 18, 2010

CANopen Basics problem solving
If the connection to your cRIO gerts lost using this example take a closer look at "Read PDO": - Place loop timing in both while loops - Program a timeout condition so the loops exit if no PDO is received Hope this helps
- Feb 10, 2009