Description

The BECKHOFF EL2872 is a 16-channel digital output terminal designed for the EtherCAT industrial Ethernet system. Operating at a nominal voltage of 24 V DC, this EtherCAT Terminal switches binary control signals from the automation unit to the actuators on the process level with a maximum output current of 0.5 A per channel. Featuring a compact terminal housing equipped with signal LEDs, the device is engineered to handle ohmic, inductive, and lamp loads while incorporating short-circuit proof output channels and reverse voltage protection.

Connection to the field level is established via a flat-ribbon cable interface, making the EL2872 ideally suited for multi-pin connector valve terminals and high-density signal distribution applications. The terminal communicates via the E-bus, integrating seamlessly into modular Beckhoff I/O stations. It requires no manual address or configuration settings during setup, as parameters are automatically assigned by the EtherCAT master.

Features

• 16 digital output channels operating at 24 V DC
• 0.5 A max. output current per channel with short-circuit proof design
• Supports ohmic, inductive, and lamp loads
• Flat-ribbon cable connection interface optimized for multi-pin connector valve terminals
• E-bus communication for direct integration into EtherCAT terminal segments
• Plug-and-play configuration with no manual address setting required
• Integrated signal LEDs for channel state diagnostics

Applications

• Controlling multi-pin connector valve terminals in automated machinery
• Interfacing multi-channel digital actuators in modular production lines
• Managing 24 V DC indicator lamps and inductive loads in control cabinets
• High-density digital output distribution within EtherCAT-based control architectures

Technical Specifications

General

Signal and I/O

Electrical

Performance and Switching

Connection

Mechanical and Environmental

Compliance and Certifications

Installation Guidelines

1. Ensure the entire control system is safely de-energized and locked out before performing any mechanical or electrical installation work.
2. Inspect the BECKHOFF EL2872 terminal housing and flat-ribbon cable interface for any signs of transit damage or contamination.
3. Mount the terminal onto a standard 35 mm DIN rail conforming to EN 60715 by engaging the locking mechanism until it clicks securely into place.
4. Interlock adjacent terminals side-by-side using the integrated double slot and key connection system.
5. Connect the appropriate flat-ribbon cable (AWG 28, 1.27 mm spacing) to the terminal interface, ensuring correct pin alignment and secure latching.
6. Verify that the 24 V DC power supplies and field-side potentials are correctly connected and operating within specified voltage tolerances.
7. Restore power to the system and verify operational status via the integrated diagnostic signal LEDs and the TwinCAT engineering environment.