In sourcing discussions, EL1809 is often placed next to El9550 Beckhoff, Beckhoff El2809 and Beckhoff El9100 so procurement teams can align budgets and technical requirements effectively.
EL1809 - Beckhoff EtherCAT Terminal
The Beckhoff EtherCAT Terminal EL1809 is a high-density 16-channel digital input module designed for efficient 24 V DC signal processing in industrial automation systems.
| Brand | Beckhoff |
| Product Type | EtherCAT Terminal |
| Product | EL1809 |
EL1809 Beckhoff EtherCAT Terminal Technical Specifications
| Specification | Value |
|---|---|
| Connection technology | 1-wire |
| Specification | EN 61131-2, type 1/3 |
| Number of inputs | 16 |
| Nominal voltage | 24 V DC (-15%/+20%) |
| “0” signal voltage | -3..+5 V (EN 61131-2, type 1/3) |
| “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. 4 mA + load |
| Current consumption E-bus | typ. 100 mA |
| Electrical isolation | 500 V (E-bus/field potential) |
| Configuration | no address or configuration setting |
| Special features | standard terminal with high number of channels for slow 24 V DC edges, direct plug-in technique |
| Weight | approx. 65Â 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 (see documentation) |
| Approvals/markings | CE, CCC, UL, ATEX, IECEx |
| Ex marking | ATEX:II 3 G Ex ec IIC T4 GcIECEx:Ex ec IIC T4 Gc |
| Housing - Design form | HD (High Density) 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 conductors (s): direct plug-in technique; fine-stranded conductors (st) and ferrule (f): spring actuation by screwdriver |
| Housing - Connection cross-section | s*: 0.08â¦1.5 mm²,st*: 0.25â¦1.5 mm²,f*: 0.14â¦0.75 mm² |
| Housing - Connection cross-section AWG | s*: AWG28...16,st*: AWG22...16,f*: AWG26...19 |
| Housing - Stripping length | 8…9 mm |
| Housing - Current load power contacts | Imax: 10 A |
The Beckhoff EtherCAT Terminal EL1809 delivers 16 digital inputs with 1-wire connection technology, conforming to EN 61131-2 type 1/3 standards. It operates on a nominal 24 V DC supply with a typical 3 mA input current, ensuring reliable and stable signal acquisition. With a 3.0 ms input filter, 500 V electrical isolation between E-bus and field potential, and a 100 mA E-bus consumption, the EL1809 EtherCAT Terminal offers both precision and efficiency. Its compact polycarbonate housing, IP20 protection, and compliance with CE, UL, ATEX, and IECEx certifications make it a robust choice for demanding environments.
The Beckhoff EL1809 EtherCAT Terminal is widely used in machine automation, packaging systems, process monitoring, and material handling applications. Its high channel density allows engineers to connect multiple sensors, switches, and push buttons within a single module, reducing wiring complexity and saving panel space. Maintenance teams benefit from its direct plug-in wiring and DIN rail installation, while integrators value its seamless compatibility with EtherCAT networks for fast signal transmission.
Combining a high number of inputs, reliable 24 V DC signal processing, and international certifications, the Beckhoff EtherCAT Terminal EL1809 is trusted by industries such as automotive, food processing, electronics, and logistics. Its durability, accuracy, and efficient design make it a long-term solution for modern automation projects.
