EL2202-0100 Beckhoff
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The Beckhoff EL2202-0100 is part of the EL EtherCAT Terminals series and features two digital outputs with a maximum output current of 0.5 A at a rated output voltage of 24 VDC. This terminal supports distributed clocks and offers push-pull output stage with a protection class of IP20. It is suited for ohmic, inductive, and lamp loads and has a typical E-bus current consumption of 130 mA.
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Product Description:
The EL2202-0100 is a digital output terminal manufactured by Beckhoff as a member of the EL EtherCAT Terminals series. Intended for DIN-rail installation beside other I/O slices, the unit converts distributed EtherCAT process data into discrete switching signals for machine actuators. In an industrial automation line, it provides a compact method for energizing relays, indicator lamps, or small solenoid valves under bus-synchronous control.
The terminal provides 2 isolated switch points referenced to the supply and operates at a nominal field voltage of 24 VDC. Each output supports a maximum continuous load of 0.5 A through the push-pull stage, allowing sourcing or sinking operation without external wiring changes. Fast transistor dynamics provide turn-on and turn-off times of less than 1 µs, while an internal current clamp limits surges to 4 A for 150 µs to protect the wiring. The outputs can drive resistive, inductive, and lamp loads. The power side draws 30 mA in addition to the load current, while the logic electronics require 130 mA from the E-bus. Installation inside a control cabinet is appropriate for the IP20 protection class, which guards against contact with hazardous internal components but does not provide water protection.
Precise timing is handled by the EtherCAT distributed clock mechanism, and the terminal latches its outputs to the SYNC0 bus event so that connected slices switch during the same network phase. When distributed clocks are active, the process image occupies 4 bits, and edge placement varies by less than 100 ns from cycle to cycle, supporting deterministic motion and packaging tasks. The design tolerates ambient relative humidity up to 95%, enabling installation in enclosures with high moisture levels as long as condensation is prevented. Bus-synchronous switching helps coordinate actuator responses across distributed I/O stations without relying on independently timed output updates. The narrow terminal format also allows multiple channels to be installed along a DIN rail while preserving space for adjacent input, communication, and power-distribution terminals.
