Hi all I found that in the last Ethercat master release (4.8.0.0) the Mailbox Gateway feature has been added. This would be useful for me to connect to a specific slave in my system, since its configuration software supports this type of gateway communication. Anyway I don't find usage information or examples. At the moment I tried to enable it in the ethercat master device settings and I configured with an IP address on the subnet of the ethercat adapter (i.e. ethercat nic configured with static...