Internal Var (Modbus)

Greetings,
I’m using a UR3 robot, and i need to use a internal Var when the robot is on standby/stop or some program is running, is that possible to get a internal register by modbus tcp?

Kind regards,

Hi,
with profinet is possibile, i think also with modbus.
see this page:

and this:
https://www.universal-robots.com/articles/ur/interface-communication/profinet-how-to-guide-cb3/

you can check if there is an article in this page:
Articles | Support site | Universal Robots?