I have a user-space app that discovers slaves on the network and dynamically builds the ec_pdo_entry_reg_t struct to be used in registration of PDO's for a domain based on a mix of discovery and user configuration. I've since found that it's quite difficult to pick data out of a single domain destined for multiple endpoints which has led me to consider the use of multiple domains as an option.

If I did go with multiple domains, the data in this case would be exchanged at the same frequency. My reasoning for considering multiple domains is so that each endpoint receives only the data required for that endpoint.

I was hoping to get some recommended guidelines when it comes to implementing multiple domains, up to how many, what are the impacts on performance (whether same or different frequencies), etc...? Any suggestions/advice much appreciated.





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