There is no option to add an Ethernet option on the non E suffix ATV340 drives.  If the Ethernet port on the ATV340.....E  fails you can not replace the module its not replaceable.  The non E suffix version or Standard ATV340 does support modbus but not Modbus TCP.

Only the E version of the ATV340.....E   drive supports Both Modbus TCP and Ethernet IP.
On a side note only the none E suffix version allow the other option cards not the E suffix version.
1:) CANopen
2: )PROFIBUS DP V1
3:) DeviceNet
4:) EtherCAT
5:) ProfiNet

Released for: Schneider Electric United Arab Emirates