Beckhoff EtherCAT & Automation Parts
Browse Beckhoff automation components by terminal and coupler code. Use the EL and EK collection links to compare listed modules and identify the components needed for your I/O station. What to check... Read full introduction ↓ Show less ↑
Browse Beckhoff automation components by terminal and coupler code. Use the EL and EK collection links to compare listed modules and identify the components needed for your I/O station.
What to check before ordering
- Complete terminal or coupler code.
- Signal type and channel count.
- System topology and power requirements.
Send the exact part number, required quantity and delivery destination to request a quote from KOEED. Include a nameplate photo or parts list when available, and ask us to confirm the item details, condition and lead time.
Related collections: Beckhoff EL EtherCAT Terminals · Beckhoff EK EtherCAT Couplers & Junctions · PLC I/O Modules & Bus Couplers.
Beckhoff EtherCAT & Automation Parts: buying questions
What is the difference between a Beckhoff EtherCAT terminal, coupler and junction?
An I/O terminal performs a field signal function. An EtherCAT coupler connects a terminal station to the network, while a junction provides a network branch. Beckhoff lists EK1100 as a coupler and EK1122 as a two-port junction; they serve different roles.
What else may be needed besides the I/O module itself?
Check whether the installation also requires a terminal base, removable connector, network adapter or separate power component. Confirm each item against the station documentation and the quotation contents. An individual module should not be assumed to include a complete wired station.
Quick comparison
| Item or reference | Meaning | What to verify |
|---|---|---|
| EK1100 | EtherCAT coupler | Terminal station connection |
| EK1122 | Two-port EtherCAT junction | Network branch requirement |
| EL terminal | A terminal with a model-specific function | Complete code and signal requirements |
Manufacturer references for the distinctions above: Beckhoff EtherCAT product roles. Consult the documentation for the exact model being ordered.
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