The UMM Series universal math module is a unique multifunction micro-computer based interface that can solve a variety of signal selection and manipulation applications in building automation systems, BAS, and other environments. The UMM-1 is furnished in a unique slim-line design housing, which saves panel space. It can be ordered with an optional DIN rail-mounting adapter. The UMM-2 is a snap-track mounted version that operates the same as the UMM-1. These universal math modules accept up to four analog inputs, providing a single analog output according to the selected operating mode. This versatile product allows the user to select from many operating modes.