EL1859 | Beckhoff EtherCAT Terminal With 8 Digital Inputs and 8 Digital Outputs

BECKHOFF · HMIs & Displays

Description   The Beckhoff EL1859 is a compact EtherCAT terminal that combines eight digital inputs and eight digital outputs for efficient signal handling in automation systems. Operating at 24 V DC, it supports fast response times and reliable switching for real-time industrial control tasks.     Technical Specifications  Condition New/Never Used Surplus Manufacturer Beckhoff Category PLCs/Machine Control Part Number EL1859 Subcategory PLC Programming Terminal Connection Technology 1-Wire Standards Compliance EN 61131-2 Type 1/3 Channels 8 Digital Inputs + 8 Digital Outputs Nominal Voltage 24 V DC (−15% / +20%) Input “0” Signal Voltage −3…+5 V Input “1” Signal Voltage 11…30 V Input Current Typ. 3 mA Input Filter Typ. 3.0 ms Load Type Ohmic, Inductive, Lamp Load Max Output Current 0.5 A per Channel Reverse Voltage Protection Yes Breaking Energy < 150 mJ per Channel Switching Times TON 60 µs, TOFF 300 µs Current Consumption (Power Contacts) Typ. 15 mA + Load Current Consumption (E-Bus) Typ. 130 mA Electrical Isolation 500 V (E-Bus/Field Potential) Configuration No Address or Configuration Required Operating Temperature 0…+55°C Storage Temperature −25…+85°C Relative Humidity Up to 95%, Non-Condensing Vibration/Shock Resistance EN 60068-2-6 / EN 60068-2-27 EMC EN 61000-6-2 / EN 61000-6-4 Ingress Protection IP20 Approvals CE, UL, ATEX, IECEx     Information About EL1859 The EL1859 is part of Beckhoff’s EtherCAT terminal system, designed to integrate both digital input and output functionality in a compact module. It provides eight input channels and eight output channels, enabling flexible signal control without increasing terminal count or cabinet width. All inputs share the 0 V DC power contact as reference, while outputs are supplied via the 24 V DC power contact, supporting a wide range of industrial loads. With fast input filtering, protected outputs, and reliable EtherCAT communication, the EL1859 is engineered to meet the needs of modern automation infrastructures that require precise timing and robust signal switching. Key Features Combined I/O architecture: integrates eight digital inputs and eight digital outputs in a single EtherCAT terminal for space-efficient installations. Fast input filtering: includes a typical 3 ms filter to eliminate bounce from mechanical switches and improve input stability. Robust output protection: provides short-circuit resistance and reverse polarity protection with a maximum output current of 0.5 A per channel. Wide load compatibility: supports ohmic, inductive, and lamp loads for flexible field device integration. LED channel indication: displays input and output status directly on the terminal for easy diagnostics and monitoring. Tool-free push-in wiring: supports direct plug-in connection for solid conductors to reduce installation time. Industrial-grade isolation: 500 V separation between E-bus and field potential enhances operational safety and system reliability. Certified for global use: meets CE, UL, ATEX, and IECEx standards for deployment in diverse industrial environments. The EL1859 delivers the reliability and precision required for compact, real-time digital I/O processing in advanced EtherCAT automation systems.

Brand: BECKHOFF · Category: HMIs & Displays

Key features

• Combined I/O architecture: integrates eight digital inputs and eight digital outputs in a single EtherCAT terminal for space-efficient installations.
• Fast input filtering: includes a typical 3 ms filter to eliminate bounce from mechanical switches and improve input stability.
• Robust output protection: provides short-circuit resistance and reverse polarity protection with a maximum output current of 0.5 A per channel.
• Wide load compatibility: supports ohmic, inductive, and lamp loads for flexible field device integration.
• LED channel indication: displays input and output status directly on the terminal for easy diagnostics and monitoring.
• Tool-free push-in wiring: supports direct plug-in connection for solid conductors to reduce installation time.
• Industrial-grade isolation: 500 V separation between E-bus and field potential enhances operational safety and system reliability.
• Certified for global use: meets CE, UL, ATEX, and IECEx standards for deployment in diverse industrial environments.

Specifications

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