During technical comparisons, EL1004 appears alongside Beckhoff El9410, El9550 Beckhoff and Beckhoff El2809 so engineers assess signal types, ingress protection, and ambient tolerances accurately.
EL1004 - Beckhoff EtherCAT Terminal
The Beckhoff EtherCAT Terminal EL1004 is a compact digital input module that ensures reliable 24 V DC signal processing and smooth integration in industrial automation.
| Brand | Beckhoff |
| Product Type | EtherCAT Terminal |
| Product | EL1004 |
EL1004 Beckhoff EtherCAT Terminal Technical Specifications
| Specification | Value |
|---|---|
| Connection technology | 2-wire |
| Specification | EN 61131-2, type 1/3 |
| Number of inputs | 4 |
| Nominal voltage | 24 V DC (-15%/+20%) |
| “0” signal voltage | -3...+5 V (EN 61131-2, type 3) |
| “1” signal voltage | 11...30 V (EN 61131-2, type 3) |
| Input current | typ. 3 mA (EN 61131-2, type 3) |
| Input filter | typ. 3.0 ms |
| Current consumption power contacts | typ. 2 mA + load |
| Current consumption E-bus | typ. 90 mA |
| Electrical isolation | 500 V (E-bus/field potential) |
| Configuration | no address or configuration setting |
| Special features | standard input terminals for 2-wire connection |
| Weight | approx. 50 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/variable |
| Pluggable wiring | for all ESxxxx terminals |
| Approvals/markings | CE, CCC, UL, ATEX, IECEx, DNV GL, cFMus |
| Ex marking | ATEX:II 3 G Ex ec IIC T4 GcIECEx:Ex ec IIC T4 GccFMus:Class I, Division 2, Groups A, B, C, DClass I, Zone 2, AEx ec IIC T4 Gc |
| Housing - Design form | compact terminal housing with signal LEDs |
| Housing - Material | polycarbonate |
| 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 |
| Housing - Current load power contacts | Imax: 10 A |
| Bit width in the process image | 4 inputs |
The EL1004 Beckhoff EtherCAT Terminal delivers 4 digital inputs using 2-wire connection technology, built to EN 61131-2 type 1/3 standards. With a nominal 24 V DC supply and a typical 3.0 ms input filter, it ensures accurate signal detection. Electrical isolation of 500 V protects system stability, while its 90 mA E-bus consumption and 10 A power contact capacity make it both efficient and robust. Housed in durable polycarbonate with IP20 protection, it withstands tough industrial environments and is certified for EMC, CE, ATEX, and UL standards.
The Beckhoff EL1004 EtherCAT Terminal ensures safe and efficient signal processing with 4 digital inputs and a 24 V DC operating voltage. Its 500 V electrical isolation between E-bus and field potential offers strong protection against interference, while the 3 mA input current and 3.0 ms input filter provide reliable switching performance. Consuming only 90 mA via the E-bus, the terminal supports 10 A power contacts for heavy-duty use. With a compact polycarbonate housing, IP20 rating, and certifications including CE, UL, and ATEX, it is engineered for high-reliability industrial automation.
The Beckhoff EL1004 EtherCAT Terminal is widely applied in machine automation, process monitoring, packaging equipment, and material handling systems. Its ability to handle standard 24 V DC inputs makes it ideal for detecting sensors, push buttons, and limit switches in real time. Maintenance engineers value its straightforward wiring, compact design, and durability, while system integrators benefit from seamless integration into EtherCAT-based control networks. Engineering students and professionals can also use this module to learn practical automation concepts with real-world reliability. In industries like automotive, pharmaceuticals, and heavy machinery, the EL1004 enhances operational efficiency by ensuring fast and secure signal processing. This combination of performance, certification, and easy installation makes it a trusted choice for modern automation solutions.
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