EL4114 Beckhoff
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MPN: EL4114-0000
The Beckhoff EL4114 is an analog output terminal in the EL EtherCAT Terminals series, featuring four simultaneous 16-bit outputs with single-ended ground reference. It supports a maximum load under 350 Ohms, an output supply of 24 VDC, and an IP20 protection rating. The terminal operates at up to 4 kSps max output rate with a minimum cycle time of 250 microseconds when DC is off.
Internal Product Review
The EL4114 is a Beckhoff EtherCAT terminal designed for analog current output, with 4 outputs. Simultaneous sampling and a 250 µs minimum cycle time support clean, responsive signal updates in precise control loops. IP20 protection makes this terminal a strong fit for orderly cabinet installations.
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Product Description:
The EL4114 is a four-channel analog current output terminal produced by Beckhoff within the EL EtherCAT Terminals series. It mounts on a standard EtherCAT I/O stack and converts digital setpoints from the bus coupler into controlled current loops for drives, valves, or other actuators used in industrial automation. By integrating the I/O function directly on the DIN rail, the terminal reduces panel wiring and provides deterministic update times that align with EtherCAT’s distributed clock features.
Each channel can refresh at up to 4 kSps when distributed clocks are disabled and at 2.5 kSps when clock synchronization is active, allowing the application to balance speed with precise timestamping. The controller may schedule new output data every 250 µs with distributed clocks disabled or every 400 µs with distributed clocks enabled. These values indicate the minimum permissible EtherCAT cycle for each operating mode. With a digital resolution of 16 bits, the terminal supplies finely graduated current steps while driving loads with resistance below 350 Ω. All four outputs use a simultaneous update structure, so commanded changes on multiple channels appear at the same instant. This synchronized response supports coordinated motion and applications that use multiple control loops.
The current stages draw their operating power from a field supply of 24 V DC, eliminating the need for separate analog power rails. An IP20 protection rating makes the terminal suitable for installation inside an enclosed control cabinet. Tool-free push-in wiring allows conductors to be connected without conventional screw terminals. In the PLC process image, the module occupies 4 × 16 bits, simplifying address mapping for the controller program. Signals use a single-ended ground reference, so cable shield routing must account for common-mode limits when long cables are installed. Because all outputs provide analog current rather than voltage, the terminal supports applications that use 0–20 mA or 4–20 mA loops. Current signaling also provides resistance to electrical noise when commands must travel across longer distances in an industrial facility.
