Discovery response format

[FishFood6]

I have looked at the RS485 linef with an oscilloscope, but I haven't had the chance to use a digital oscilloscope so the signal is just there for one second and gone the next. The moment the signal is there does correlate with when I'm sending the signal, so I am left to asume that the right signal is being send.

As for the sniffers, thank you for the recommendations, I'll have to look into them.

I have also switched off of auto-direction in the past few days. It's generally better to have more control over things like that.

[hamish]

I concur with Eric's comments.
Irrespective of any sniffers, some form of digital scope with a trigger to capture traffic and port control timing will be an essential base level tool, to get you passed the first basics. Your controller not relinquishing the bus after a discovery response may be a reason for no additional discovery traffic being received.