01
Key Points
EtherCAT I/O selection should consider more than a single model parameter. Master platform, point count, I/O type, installation structure, and documentation all matter.
The article guides readers to review ESI/XML files, manuals, wiring notes, and application scenarios together.
Confirm the master platform and communication documents first.
Match models by point count and signal type.
Include downloads and engineering support in the selection decision.
02
Who Should Read It
The content is useful for engineers working on control cabinet expansion, equipment I/O acquisition, EtherCAT slave integration, and distributed I/O selection.

