In sourcing discussions, EK1828 is often placed next to Beckhoff Ek1110 0008, Beckhoff Ek1122 and Beckhoff Ek1100 so procurement teams can align budgets and technical requirements effectively.
EK1828 - Beckhoff EtherCAT Coupler
Beckhoff EK1828 EtherCAT Coupler connects EtherCAT Terminals to 100BASE-TX networks, offering fast data transfer and reliable control for modern industrial automation systems.

| Brand | Beckhoff |
| Product Type | EtherCAT Coupler |
| Product | EK1828 |
EK1828 Beckhoff EtherCAT Coupler Technical Specifications
| Specification | Value |
|---|---|
| Task within EtherCAT system | coupling of EtherCAT Terminals (ELxxxx) to 100BASE-TX EtherCAT networks |
| Data transfer medium | Ethernet/EtherCAT cable (min. Cat.5), shielded |
| Distance between stations | max. 100 m (100BASE-TX) |
| Number of EtherCAT Terminals | up to 65,534 |
| Protocol | EtherCAT |
| Delay | approx. 1 µs |
| Data transfer rates | 100 Mbit/s |
| Bus interface | 2 x RJ45 |
| Current consumption from U S | 40 mA + load |
| Current consumption from U P | 100 mA + (â E-bus current/4) |
| Current supply E-bus | 1000 mA |
| Nominal voltage | 24 V DC (-15%/+20%) |
| Number of inputs | 4 |
| Number of outputs | 8 |
| Load type | ohmic, inductive, lamp load |
| Max. output current | 0.5 A (short-circuit proof) per channel |
| Short-circuit current | typ. < 2 A |
| Reverse voltage protection | yes |
| Breaking energy | < 150 mJ/channel |
| Switching times | typ. T ON : 60 µs, typ. T OFF : 300 µs |
| Input current | typ. 3 mA (EN 61131-2, type 3) |
| Electrical isolation | 500 V (power contact/supply voltage/Ethernet), 500 V (E-bus/field potential) |
| Operating temperature | -25…+60°C |
| Storage temperature | -40…+85°C |
| EMC immunity/emission | conforms to EN 61000-6-2/EN 61000-6-4 |
| Relative humidity | 95%, no condensation |
| Vibration/shock resistance | conforms to EN 60068-2-6/EN 60068-2-27 |
| Protect. rating/installation pos. | IP20/variable |
| Approvals/markings | CE, UL |
The Beckhoff EK1828 EtherCAT Coupler is designed to couple EtherCAT Terminals into standard 100BASE-TX networks with high efficiency. It supports up to 65,534 terminals, making it highly scalable for large automation setups. With a nominal voltage of 24 V DC, an E-bus current of 1000 mA, and dual RJ45 interfaces, it ensures stable communication. The device achieves 100 Mbit/s transfer rates with a minimal delay of about 1 µs, meeting real-time control requirements.
Each of the four inputs and eight outputs of the EK1828 can handle ohmic, inductive, or lamp loads, with short-circuit proof channels rated at 0.5 A. Safety is reinforced with reverse voltage protection, 500 V electrical isolation, and short-circuit current limitation below 2 A. The unit conforms to EMC standards EN 61000-6-2/6-4, ensuring reliable performance in harsh industrial environments. Approvals such as CE and UL strengthen its global acceptance, while its IP20 housing provides dependable protection for installation in varied conditions.
Applications of the Beckhoff EK1828 EtherCAT Coupler extend across factory automation, robotics, packaging machinery, and process industries where synchronized communication and precise I/O handling are critical. With switching times of 60 µs for ON and 300 µs for OFF, engineers benefit from fast responsiveness and dependable operation. Built for long-term industrial use, the Beckhoff EK1828 stands as a trusted solution for expanding EtherCAT Terminals in complex automation projects.







