回复： Labview Canopen Heartbeat

[BURAK_AYDIN]

Hi,

I have been configuring CANopen communication between crio-9014 and epos4 drive. I want to add Heartbeat protocol to my communication algorithm. But, I have 2 main questions;

1) In heartbeat mechanism, If one node is the loss of communication, would whole communication be stopped or just that node be stopped? 

2) Should I read heartbeat in the main loop where I read and write my PDOs or should I create parallel  loop to my main loop ?

[ThreeLions · Accepted solution]

Hi,

1) In heartbeat mechanism, If one node is the loss of communication, would whole communication be stopped or just that node be stopped? 

Only the failed node be stopped.

2) Should I read heartbeat in the main loop where I read and write my PDOs or should I create parallel  loop to my main loop ?

There is no restriction about the position of the read heartbeat. But a shandalone loop could support the efficient check.

Additional, do you use the NI 9881 now?

Thanks!

[BURAK_AYDIN]

Hi, 

First, thank you for your answer. 

Yes, I use NI 9881 module right now.