ELX1054 - Beckhoff EtherCAT Terminal
Beckhoff introduces the ELX1054 EtherCAT Terminal, a compact digital input terminal with NAMUR compliance, designed for safe and precise industrial automation systems.

| Brand | Beckhoff |
| Product Type | EtherCAT Terminal |
| Product | ELX1054 |
ELX1054 Beckhoff EtherCAT Terminal Technical Specifications
| Specification | Value |
|---|---|
| Specification | NAMUR (IEC 60947-5-6) |
| Number of inputs | 4 |
| Current consumption power contacts | typ. 15 mA + load |
| Current consumption E-bus | typ. 70 mA |
| Weight | approx. 55 g |
| Operating temperature | -25…+60°C |
| Storage temperature | -40…+85°C |
| Relative humidity | 95%, no condensation |
| Vibration/shock resistance | conforms to EN 60068-2-6/EN 60068-2-27 |
| EMC immunity/emission | conforms to EN 61000-6-2/EN 61000-6-4 |
| Protect. rating/installation pos. | IP20/see documentation |
| Approvals/markings | CE, UL, ATEX, IECEx, cFMus, CCC |
| Ex marking | ATEX:  II 3(1)G Ex ec [ia Ga] IIC T4 Gc  II (1)D [Ex ia Da] IIIC  I (M1) [Ex ia Ma] IIECEx:  Ex ec [ia Ga] IIC T4 Gc  [Ex ia Da] IIIC  [Ex ia Ma] IcFMus:  AIS Class I, II, III, Division 1, Groups A thru G  Class I, Division 2, Groups A, B, C, D Class I, Zone 2, AEx ec [ia Ga] IIC T4 Gc  [AEx ia Da] IIIC T4 |
| Housing - Design form | compact terminal housing with signal LEDs |
| Housing - Material | polycarbonate, blue |
| Housing - Dimensions (W x H x D) | 12Â mm x 100Â mm x 68 mm |
| Housing - Installation | on 35 mm DIN rail, conforming to EN 60715 with lock |
| Housing - Side by side mounting by means of | double slot and key connection |
| Housing - Marking | labeling of the BZxxxx series |
| Housing - Wiring | solid conductor (s), flexible conductor (st) and ferrule (f): spring actuation by screwdriver |
| Housing - Connection cross-section | s*: 0.08â¦2.5 mm²,st*: 0.08â¦2.5 mm²,f*: 0.14â¦1.5 mm² |
| Housing - Connection cross-section AWG | s*: AWG28...14,st*: AWG28...14,f*: AWG26...16 |
| Housing - Stripping length | 8…9 mm |
| Technology | digital input |
| Open circuit voltage | typ. 8.2 V DC |
| Switching hysteresis | typ. 200 µA |
| Short-circuit current | typ. 7 mA |
| Fault detection | I ⤠200 µA (cable break), I ⥠6.3 mA (short circuit) |
| Max. switching frequency | typ. 5 kHz (duty factor 50 %) |
| Supply voltage electronics | 24 V DC (via power contacts), ELX9560 power supply |
| Connection method | 2-wire |
| Housing - Power contacts | 2 blade/spring contacts |
The Beckhoff ELX1054 EtherCAT Terminal is designed as a digital input terminal with 4 NAMUR inputs (IEC 60947-5-6), optimized for reliable field signal processing. With a compact housing of 12 × 100 × 68 mm and spring-actuated wiring for conductors from 0.08 mm² to 2.5 mm², it ensures secure installation on a 35 mm DIN rail. The unit operates with 24 V DC supply via power contacts and consumes approx. 70 mA from the E-bus, balancing efficiency and performance. Its IP20-rated polycarbonate housing includes clear signal LEDs for quick diagnostics, reducing downtime during maintenance. The ELX1054 achieves robust fault detection, identifying cable breaks below 200 µA and short circuits above 6.3 mA, making it highly dependable in safety-critical setups. Additional resilience comes from its compliance with EMC immunity (EN 61000-6-2) and emission standards (EN 61000-6-4), along with vibration and shock resistance per EN 60068. Certified for ATEX, IECEx, UL, and cFMus approvals, the terminal supports hazardous environment use, operating reliably across -25℃ to +60℃ with up to 95% humidity. With a maximum switching frequency of 5 kHz and built-in switching hysteresis, it provides fast and stable performance for modern automation networks.
Applications of the ELX1054 Beckhoff EtherCAT Terminal include hazardous area installations in oil and gas plants, chemical processing facilities, and manufacturing units where safety and reliability are critical. Its NAMUR-compatible digital input makes it suitable for interfacing with sensors in intrinsically safe environments, while the compact modular design enables integration into large-scale control cabinets. In automotive and machine-building industries, engineers use the ELX1054 for real-time signal acquisition, ensuring high-speed synchronization with other EtherCAT devices. Maintenance teams appreciate its LED diagnostics and robust design that minimizes troubleshooting time, while training institutes use it to demonstrate advanced EtherCAT I/O applications to engineering students. With its ATEX-certified design, rugged housing, and Beckhoff’s proven EtherCAT technology, the ELX1054 stands as a dependable choice for industries seeking durability, performance, and compliance.







