EL1904 - Beckhoff EtherCAT Terminal
The Beckhoff EtherCAT Terminal EL1904 is a 4-channel digital input module designed for safety and precision, delivering reliable signal acquisition in industrial automation systems.
| Brand | Beckhoff |
| Product Type | EtherCAT Terminal |
| Product | EL1904 |
EL1904 Beckhoff EtherCAT Terminal Technical Specifications
| Specification | Value |
|---|---|
| Connection technology | 1-/2-wire |
| Number of inputs | 4 |
| Current consumption power contacts | see documentation |
| Current consumption E-bus | typ. 200 mA |
| Weight | approx. 50 g |
| Ex marking | ATEX:II 3 G Ex ec IIC T4 GcIECEx:Ex ec IIC T4 Gc |
| Housing - Design form | compact terminal housing with signal LEDs |
| Housing - Material | polycarbonate |
| Housing - Dimensions (W x H x D) | 12Γ mm x 100Γ 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*: 0.08Γ’ΒΒ¦2.5Γ mmΓΒ²,st*: 0.08Γ’ΒΒ¦2.5Γ mmΓΒ²,f*: 0.14Γ’ΒΒ¦1.5Γ mmΓΒ² |
| Housing - Connection cross-section AWG | s*: AWG28...14,st*: AWG28...14,f*: AWG26...16 |
| Housing - Stripping length | 8β¦9 mm |
| Housing - Current load power contacts | Imax: 10 A |
The Beckhoff EtherCAT Terminal EL1904 features 4 digital inputs with flexible 1-/2-wire connection technology, making it suitable for diverse automation setups. With a typical 200 mA E-bus current draw, the EL1904 EtherCAT Terminal ensures efficient operation. It is housed in a compact polycarbonate enclosure with IP20 protection and includes signal LEDs for quick status identification. Built with 500 V isolation and supporting up to 10 A power contacts, the module is designed for robust and safe integration. Certified under CE, UL, ATEX, and IECEx, it meets international standards for demanding automation environments.
The Beckhoff EL1904 EtherCAT Terminal is widely applied in machine automation, material handling, and safety-related systems. Its compact design makes it easy to integrate into control panels, while maintenance engineers benefit from direct spring-actuated wiring for simplified connections. With DIN rail mounting and support for EtherCAT networking, the terminal allows precise synchronization and monitoring of digital inputs, improving system reliability and diagnostic capabilities.
Trusted across industries such as automotive, electronics, and packaging, the Beckhoff EtherCAT Terminal EL1904 delivers reliable input handling, safety compliance, and long-term durability. Its strong specifications, compact housing, and global approvals make it a dependable choice for engineers seeking efficiency and security in automation projects.
