You mean having display pages in separate files for re-use in multiple project files?
Similar to the way external functions can be used for application logic today.
That is a good idea to consider for future versions.
Put the COUT in an adjust group. This creates an Adjust item where you can edit the limits, and set the max to 2500 mA
There seems to be a small issue with the project check, if you do not have any adjust item, it looks as if the project check use the value 2000 mA as the check limit for max current, rather than 2500 mA that the MC4x and XC4x can have.
2000 mA used to be the limit with the older modules XA2, MC2 and MC3.
So it is not about J1939 DM1 and SPN at all?
Is it CANopen EMCY messages with EMCY-codes you are working on?
This is how to use a parameter for the J1939 baudrate:
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