Position output via fieldbus

I have an application where we have a task capturing the current joint position and spitting it out over a socket message, where we use it for monitoring robot position. I've been asked to investigate what options we'd have if we chose to do this over a fieldbus. Currently what I think is available from ABB is EGM, which we've investigated but have some qualms about, and isn't over a standard industrial fieldbus. Does anyone know how this could be done over EIP or Profi? The only options I see right now for that is to dump robot position to group outputs and then interpret those. Any other ideas around?

Ah, that's good to know. Right now our bottle neck is rapid program pulling the joint angles and mapping them, which EGM gets around, but has other downsides for us. I was having a fit getting group outputs to work the way I wanted them to, so analog is a good shout, anyway.