SA/S Switch Actuator Application Program Version History

This document details version history and feature updates for ABB i-bus EIB/KNX switch actuator application programs (SA/S series), including transitions from Switch xf y/2 to Switch xf y/2a and from Switch xf 16CS/3.0 to 3.1. It covers optimizations for current detection, parameter changes, wording updates, and conversion compatibility between hardware variants such as SA/S x.16.5S and SA/S x.16.6.1.