EL2002 Beckhoff
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MPN: EL2002-0000
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The Beckhoff EL2002 is part of the EL EtherCAT Terminals series and features two non-reactive outputs, each rated at a maximum output current of 0.5 A. This terminal supports ohmic, inductive, and lamp loads with a nominal output voltage of 24 VDC and is designed for mounting on a 35 mm rail. The unit operates with IP20 protection class and has typical switch-off and switch-on times of 300 microseconds and 60 microseconds, respectively.
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Product Description:
The EL2002 is a digital output terminal produced by Beckhoff within the EL EtherCAT Terminals series. It occupies a single slot on a DIN-mounted I/O stack and provides two switching points for actuators or indicator lamps in machine control systems. By translating binary data from the EtherCAT process image into galvanically isolated field voltages, the terminal supports deterministic on-and-off commands in industrial automation lines.
The terminal drives field devices at a nominal output voltage of 24 VDC. Each channel can source up to 0.5 A per channel and safely absorb inductive release energy limited to 150 mJ per channel. Turn-on propagation typically takes 60 µs, while deenergizing takes approximately 300 µs; these values establish the timing margin for high-speed control sequences. The outputs support resistive, inductive, and lamp loads, allowing the terminal to control several common types of field devices. Mechanical installation uses a 35 mm mounting rail, which allows the terminal to connect directly to compatible units in the I/O stack. The power contacts forward the field supply through the terminal assembly without requiring separate supply wiring for each adjacent module. A typical power-contact current draw of 15 mA keeps internal power consumption low even when both outputs are active.
The module presents 2 individually driven outputs to the controller, allowing separate loads to respond to distinct process commands. Its process image has a width of 2 output bits, with one bit assigned to each channel for direct binary control. Enclosure protection is rated at IP20, making the terminal suitable for installation inside a protected control cabinet. The control electronics receive power exclusively through the E-Bus, which separates the logic supply path from the field-side power contacts. The logic section requires a typical E-Bus current of 100 mA, and this demand must be included when calculating the power requirements of the complete terminal station. EtherCAT communication carries the output commands within the process data, enabling the two channels to follow controller updates without mechanical relay operation.
