EL5122 Incremental Encoder Interface Technical Manual

This document is the technical manual for the Beckhoff EL5122 EtherCAT terminal, a 2-channel incremental encoder interface supporting 5 V single-ended signals (TTL and Open Collector). It covers product description, technical data, mounting, wiring, communication basics (EtherCAT, CoE, Distributed Clock), and connection modes for the encoder interface.