Product Description
. . . . . The IOM3731-0A expansion module is part of the Metasys® system Field Equipment Controller family. Input/Output expansion modules (IOMs) expand the number of input/output points connected to either 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 communicate using the BACnet MS/TP protocol when directly connected to the FC bus.. Johnson Controls. Johnson Controls. MS-IOM3731-0A.