Edwards EST SIGA-IO I/O ModuleThe Edwards EST SIGA IO input output module for Signature Series loops provides a programmable dry contact input with Form A or Form B relay control, selectable personalities for latching, non latching, and delayed waterflow applications, and electronic addressing with automatic device mapping. A standard 1 gang mount makes single point installs straightforward. Key Specifications: Type: Intelligent addressable input output module (standard mount)