Product Description:

The EL1852 is a digital combination terminal produced by Beckhoff within the EL EtherCAT Terminals series. Installed on a DIN rail, the unit links field wiring to an EtherCAT segment, allowing control systems to read discrete sensors and actuate outputs through the same housing. By integrating input and output channels in one slice, the terminal reduces node count and cabling in modular machines and material-handling cells. It uses the EtherCAT E-bus to transfer process data cyclically with low latency, providing deterministic signal exchange suitable for packaging, assembly, and motion auxiliaries.

At the supply side, the terminal accepts a nominal logic level of 24 V DC. Each input draws only 3 mA typical, so dense installations place little load on control power supplies. Input signals pass through a 3 ms filter that suppresses contact bounce before the controller samples them. High-side drivers on every output can deliver up to 0.5 A per channel, and the channels energize in approximately 60 µs typical, supporting fast interlocks. The module provides eight digital inputs and an equal number of transistor outputs, allowing sensors, solenoids, or indicator lamps to be mapped to cyclic variables without external wiring marshaling.

Internal electronics receive bus power from the EtherCAT backplane and draw only 100 mA typical, so segment loading remains predictable. The housing carries an IP20 rating and clips onto a 35 mm mounting rail, aligning with standard control cabinet practices. Output stages release load current within 300 µs typical, limiting residual energy when coils are de-energized. Reverse-voltage protection prevents accidental polarity faults on the supply line, while the dual 10-pin male connectors follow the IEC 60603-13 standard to maintain pin compatibility across the EL family.