HIO3404 Control Panel Expansion Module Installation Guide

This guide provides instructions for installing, configuring, and wiring the HIO3404 control panel expansion module, which adds 12 bi-directional digital inputs, 12 digital outputs (2 PNP transistor, 10 relay), and 2 analog inputs (16-bit) to compatible ABB control panels. It covers safety warnings, mounting procedures, software configuration using Compact Soft, wiring diagrams for various I/O modes (including high-speed counter and quadrature encoder), and detailed technical specifications.