I have never used the Hetronic radio myself, but this must be their implementation of the Parker IQAN XR module.
If you make a new application with the XR protocol, be aware of this 5.03 issue (will be fixed in 5.04):
If you are in a hurry, setting up the radio as XR should be quick. Just add an XR module to the IQANdesign system layout and start adding channels to it.
If you can spend a bit more time and prepare the machine for future additions like hand held units with display, then I think it could be worth going for a design where you can use a J1939 or CANopen version of the radio module.
A mix between the two would be to use XR now, but place it on a separate bus away from normal IQAN expansions, which makes it possible for you to later change to e.g. CANopen without re-wiring the machine.
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