Johnson Controls MS-IOM3721-0 Metasys Input/Output Expansion Module [Refurbished]

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.