ELX3181 and ELX3184 Analog Input Terminals Operating Manual

This document is an operating manual for the Beckhoff ELX3181 and ELX3184 analog input terminals, which support single-ended 4-20 mA signals with 16-bit resolution and HART communication in intrinsically safe (Ex i) applications. It covers safety instructions, technical data, mounting and wiring procedures, EtherCAT basics, and parameterization using TwinCAT software.