if in your application, the number of identification of your device - the ACS580 drive - is 2, yes is correct.
From the manual of ACS580:
"Parameter 58.03 - Defines the node address of the converter on the connection of the field bus. Allowed values are 1 ... 247.It is also called station ID, address MAC or Device Address.They are not allowed to be online two devices with the same address. Changes to this parameter are valid after restart of the control unit or after confirming the new settings with parameter 58.06 Communication control (Update settings)."