Many procurement teams check EK1122 against Beckhoff Ek1110 0008, Beckhoff Ek1100 and Beckhoff Ek1501 before signing purchase orders, verifying quality, compliance, and after-sales support availability.
EK1122 - Beckhoff EtherCAT Coupler
Beckhoff EtherCAT Terminals model EK1122 is a compact EtherCAT Coupler designed for coupling EtherCAT junctions, enabling fast and reliable communication in automation systems.
| Brand | Beckhoff |
| Product Type | EtherCAT Coupler |
| Product | EK1122 |
EK1122 Beckhoff EtherCAT Coupler Technical Specifications
| Specification | Value |
|---|---|
| Task within EtherCAT system | coupling of EtherCAT junctions |
| Data transfer medium | Ethernet/EtherCAT cable (min. Cat.5), shielded |
| Distance between stations | 100 m (100BASE-TX) |
| Protocol | EtherCAT |
| Delay | approx. 1 µs |
| Data transfer rates | 100 Mbit/s |
| Bus interface | 2 x RJ45 |
| Power supply | from E-bus |
| 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, CCC, UL, ATEX, IECEx, cFMus |
| Ex marking | ATEX: II 3 G Ex ec IIC T4 Gc IECEx: Ex ec IIC T4 Gc cFMus: Class I, Division 2, Groups A, B, C, D Class I, Zone 2, AEx ec IIC T4 Gc |
| Weight | approx. 75 g |
The Beckhoff EK1122 EtherCAT Coupler enables seamless junction coupling with 100 Mbit/s data transfer over shielded Cat.5 cables, supporting 100 m distance between stations. With two RJ45 interfaces, it simplifies integration into EtherCAT networks. Operating via the E-bus power supply, it removes cabling complexity while offering stable performance from -25°C to +60°C. Built to IEC and EN standards, the unit delivers vibration resistance, EMC reliability, and long-term durability in industrial automation.
Built for reliability, the EK1122 EtherCAT Coupler connects EtherCAT junctions with strong electrical resilience. It runs on E-bus power and provides high-speed Ethernet communication through dual RJ45 ports. With IP20 protection, -25°C to +60°C operating tolerance, and 95% RH humidity endurance, it performs safely in varied environments. Certifications such as CE, UL, ATEX, and IECEx ensure international compliance, while EMC immunity and vibration resistance guarantee dependable operation under industrial stress.
The Beckhoff EK1122 is a lightweight EtherCAT Coupler (75 g) designed for flexible system expansion. It supports two RJ45 connections and 100BASE-TX communication for fast and reliable data exchange. Drawing power directly from the E-bus, it eliminates extra wiring, making integration easy in compact control cabinets. Its -40°C to +85°C storage range, shock resistance, and EMC compliance underline its robust design, ensuring engineers can deploy it confidently in scalable EtherCAT systems.
The EK1122 EtherCAT Coupler is widely applied in distributed automation systems requiring modular and scalable communication. It supports flexible topologies for factory automation, robotics, packaging, and process industries where reliable high-speed data exchange is critical. Engineers appreciate its simple plug-and-play setup with Beckhoff EtherCAT Terminals, reducing installation time and complexity. Maintenance teams value its rugged build, global certifications such as CE, UL, ATEX, and IECEx, and safe operation even in hazardous areas. For engineering students and trainees, the EK1122 demonstrates how EtherCAT technology enables efficient communication and system expansion, making networks both scalable and future-proof.
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