Ethercat is a standard created by and registered to beckhoff. Codesys and Twincat are a blanket term for programming and runtime environments along with related technologies.
Ethercat does not use TCP nor can you have TCP on the bus.
This is the esi file, I haven't tried it yet but the OEM sent it over along with an older version.
<!-- AX58100 EVB ESI Sample File - "AX58100 EVB (Digital 16-Input/16-Output)" -->
<EtherCATInfo xmlns:xsi="
www.w3.org/2001/XMLSchema-instance
" xsi:noNamespaceSchemaLocation="EtherCATInfo.xsd" Version="1.2">
<Vendor>
...
</Vendor>
<Descriptions>
<Groups>
<Group>
...
</Group>
</Groups>
<Devices>
<!-- DIO, GPIO, FMMU=2, SM=3, DI=16, DO=16, ProductCode="#x00010200" RevisionNo="#x00000001" -->
<Device Physics="YY">
<Type ProductCode="#x00010200" RevisionNo="#x00000001">AX58100_EVB_DIO_16</Type>
<Name LcId="1031">AX58100 EVB (Digital 16-Input/16-Output)</Name>
<GroupType>AX58100_EVB</GroupType>
<Fmmu>Outputs</Fmmu>
<Fmmu>Inputs</Fmmu>
<Sm StartAddress="#x0f02" ControlByte="#x44" Enable="1" OpOnly="1">Outputs</Sm>
<Sm StartAddress="#x0f03" ControlByte="#x44" Enable="1" OpOnly="1">Outputs</Sm>
<Sm StartAddress="#x1000" ControlByte="0" Enable="1">Inputs</Sm>
<RxPdo Fixed="1" Sm="0">
<Index>#x1a00</Index>
<Name>Byte 0</Name>
<Entry>
<Index>#x3101</Index>
<SubIndex>1</SubIndex>
<BitLen>8</BitLen>
<Name>Output</Name>
<DataType>BITARR8</DataType>
</Entry>
</RxPdo>
<RxPdo Fixed="1" Sm="1">
<Index>#x1a01</Index>
<Name>Byte 1</Name>
<Entry>
<Index>#x3101</Index>
<SubIndex>2</SubIndex>
<BitLen>8</BitLen>
<Name>Output</Name>
<DataType>BITARR8</DataType>
</Entry>
</RxPdo>
<TxPdo Fixed="1" Sm="2">
<Index>#x1600</Index>
<Name>Byte 0</Name>
<Entry>
<Index>#x3001</Index>
<SubIndex>1</SubIndex>
<BitLen>8</BitLen>
<Name>Input</Name>
<DataType>BITARR8</DataType>
</Entry>
</TxPdo>
<TxPdo Fixed="1" Sm="2">
<Index>#x1601</Index>
<Name>Byte 1</Name>
<Entry>
<Index>#x3001</Index>
<SubIndex>2</SubIndex>
<BitLen>8</BitLen>
<Name>Input</Name>
<DataType>BITARR8</DataType>
</Entry>
</TxPdo>
<Dc>
<OpMode>
<Name>DcOff</Name>
<Desc>DC unused</Desc>
<AssignActivate>#x0000</AssignActivate>
</OpMode>
<OpMode>
<Name>DcSync</Name>
<Desc>DC for synchronization</Desc>
<AssignActivate>#x0100</AssignActivate>
<CycleTimeSync0 Factor="1">0</CycleTimeSync0>
<ShiftTimeSync0>0</ShiftTimeSync0>
</OpMode>
</Dc>
<Eeprom>
<ByteSize>2048</ByteSize>
<ConfigData>040f0044102700ff000000000000</ConfigData>
</Eeprom>
</Device>
</Devices>
</Descriptions>
</EtherCATInfo>
