| Feature | Description | Implementation |
| Distributed Clocks | By using distributed clocks the EtherCAT real-time Ethernet protocol is able to synchronize the time in all local bus devices within a very narrow tolerance range. | Yes |
| Object Dictionary | Freely definable, only limited by available resources. | Yes |
| CiA 402 | This profile standardizes the functional behavior of controllers for servo drives, frequency inverters, and stepper motors. | Yes |
| Mailbox Queue | Mailbox services will be stored in a queue. Mailbox services can be processed in parallel. | Yes |
| AoE | ADS over EtherCAT service support. | No |
| CoE | CANopen over EtherCAT service support. | Yes |
| Complete Access support | Accessing all entries of an object with one SDO service is supported. | Yes |
| Segmented SDO support | Segmented SDO service is supported. | Yes |
| SDO Response Interface | If a SDO response cannot be generated immediately, return ABORTIDX_WORKING. | Yes |
| Diagnosis support | Diagnosis messages are supported. | Yes |
| Emergency support | Emergency messages are supported. | Yes |
| VoE | Vendor Specific Protocol over EtherCAT service support. | No |
| SoE | Sercos over EtherCAT service support. | Planned |
| EoE | Ethernet over EtherCAT service support. | Planned |
| FoE | File access over EtherCAT service support. | Planned |
| OP State requires process data | Transition from SafeOP to OP State requires process data. | Yes |
| Explicit device ID | Explicit device ID requests are handled. | No |
| Error Counters | RX Invalid Frame Counter Port 0/1 | Yes |
| RX ERR Counter Port 0/1 | Yes |
| Forwarded Error Counter Port 0/1 | Yes |
| EtherCAT Processing Unit Error Counter Port 0/1 | Yes |
1.8.17