Product Description
. . . . . The IOM3721 input/output expansion module is a part of the Metasys® system Field Equipment Controller family. Input/Output expansion modules (IOMs) expand the number of input/output points connected to a Network Automation Engine (NAE), Network Control Engine (NCE), Advanced Application Field Equipment Controller (FAC), Field Equipment Controller (FEC), or Variable Air Volume Modular Assembly (VMA) to monitor and control a wide variety of HVAC equipment.
IOM expansion modules operate on an RS-485 BACnet® MS/TP Bus and integrate into Johnson Controls® and third-party BACnet systems. IOMs.. Johnson Controls. Johnson Controls. MS-IOM3721-0.