Different generations of the protocol stack exist. Please refer to Firmware Generation Status Definition for further details.
The following table shows main differences between the generations.
| Protocol Firmware Generation | Firmware Generation Status | Remark | Availability |
|---|---|---|---|
| EtherCAT Master V4 | ACTIVE | fit for new projects, supporting comX, netJACK, cifX and other products | netX 100/500  |
| EtherCAT Master V3 | OBSOLETE | not recommended for new projects, replaced by EtherCAT Master V4 | netX 100/500 |
Releases
 | Current release V4 | For other versions of V4 see version history. | |
| Current release V3 | For other versions of V3 see version history. |
Availability
| EtherCAT Master Version | netX 50 | netX 51 | netX 52 | netX 100 | netX 500 | netX 90 |
|---|---|---|---|---|---|---|
| EtherCAT Master V4 |  | | | | | |
| EtherCAT Master V3 | | | | | | |
Overview
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