SIO4022 Honeywell Sylk I/O Expansion Module for Spyder Controllers
Description
TheHoneywell SIO4022is aSylk? I/O expansion moduledesigned to extend the input/output capacity ofSpyder controllersin HVAC systems. It communicates via theSylk? bus, a two-wire, polarity-insensitive protocol that simplifies wiring and reduces installation complexity. This module is ideal for applications requiring additional I/O points without increasing panel space or wiring burden.