EL2889 Beckhoff
Wake Industrial LLC is not an authorized distributor of this product.
MPN: EL2889-0000
The Beckhoff EL2889 is part of the EL EtherCAT Terminals series and features 16 digital outputs with 1-wire connection technology. This terminal operates at a nominal voltage of 24 V DC and supports load types such as ohmic, inductive, and lamp, with each channel rated for a maximum output current of 0.5 A. It has IP20 protection, short-circuit proof outputs, and reverse voltage protection.
Internal Product Review
The EL2889 is a Beckhoff EL EtherCAT Terminal with 16 digital outputs and a 24 V DC nominal voltage. Support for ohmic, inductive, and lamp loads plus short-circuit-proof outputs makes the terminal a strong choice for dependable control cabinet integration.
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Product Description:
The EL2889 digital output terminal is produced by Beckhoff within the EL EtherCAT Terminals series. It occupies one slot on an EtherCAT I/O segment and provides switching capability for 24-volt field devices in decentralized control cabinets. By translating controller commands in the process image into discrete output states, the module drives coils, lamps, and other loads directly, simplifying wiring in industrial automation cells. Because it shares the bus and power contacts common to the series, the device fits next to analog or safety terminals without requiring additional gateways.
The terminal provides 16 digital output channels, and each channel uses ground-switching outputs so that the positive side of the load can remain common. The nominal supply voltage for the output electronics is 24 V DC, which is compatible with many sensors and solenoid coils used in machinery. The output current reaches 0.5 A per channel, allowing direct actuation of small pneumatic valves or filament indicators without interposing relays. The compact spring-clamp terminals accommodate 1-wire connection technology. Using a single conductor for each output reduces wiring density while keeping diagnostic data available through the EtherCAT protocol. The process image permits the controller to address the channels individually for coordinated machine operation.
The housing has an IP20 protection rating, providing finger-safe terminals when the module is installed inside a control enclosure. Active electronics include reverse-voltage protection, which helps prevent damage if the supply lines are wired backward during installation. All channels use short-circuit-proof outputs, so an overcurrent condition is limited internally and reported to the controller for fault handling. The output stages support ohmic, inductive, and lamp loads, covering common resistive devices, coils, and indicators. Internal mapping presents a 16-bit output image that assigns one bit to each channel for deterministic updates. This mapping allows the EtherCAT master to transmit output states efficiently within the cyclic process data. Fault reporting also helps the control system identify affected channels without interrupting communication with the remaining I/O terminals.
