Posted 5 Nov 2007 hello group members, I am Priya. I am new to CANOpen. I need to make a tool which will display all the nodes(CAN devices) in the CAN network and give the node information such as node state and Protocol use(Node guarding or heartbeat). the tool must display the following info .. Node ID state Protocol-used 3 operational hearbeat 4 pre-operational Nodeguarding 5 boot hearbeat Please guide me,and suggest me an easy and efficent way of doing the tool. Regards, Priya Share this post Link to post Share on other sites