ELX3312 and ELX3314 Analog Input Terminals Operating Manual

This document is the operating manual for the Beckhoff ELX3312 and ELX3314 analog input terminals, which are 2- and 4-channel devices for thermocouple measurement with 16-bit resolution and Ex i (intrinsic safety) certification. It covers safety instructions, technical data, mounting and wiring guidelines, basic function principles including thermoelectricity and measurement uncertainties, and parameterization for EtherCAT systems.