The gateway address of the BMEAHI0810 module must correspond to the IP address of the fieldbus network managed by the BMENOC0321.
For example, in the Ethernet Network Manager screen shown below, the gateway of the AHI module is set to the IP address of the router:
In the BMEAHI0812 DTM instance, you need to enable the option "Firmware upgrade" as follow :
And always perform a transfer to FDR server after each modification of the BMEAHI0812 DTM instance.
Next, open Unity Loader and connect to the IP address of your BMEAHI0812 module to perform the upgrade :