You can get the list of avaiable ethercat adresses with IL_ECATGetConfigEthercatAddrList https://docs.automation.boschrexroth.com/doc/2240960790/il-ecatgetconfigethercataddrlist/latest/en/ And then you can call IL_ECATGetSlaveConfigInfo for each slave, and in the SlaveConfig output there is a SlaveName property. https://docs.automation.boschrexroth.com/doc/1999814701/il-ecatgetslaveconfiginfo/latest/en/
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