ABB i-bus KNX Input Devices Product Selection Guide

This document is a product selection guide for ABB i-bus® KNX input devices, detailing supported functions across models BE/S x.20.3.2, BE/S x.230.3.2, US/U x.3, and US/U 12.2. It covers general specifications, device functions (including KNX Data Secure, logic functions, and manual operation), and input-specific capabilities such as switching, blind/shutter control, dimming, scenes, and counter functions.