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A range of Input/Output modules compatible with Metasys. IOMs can serve in one of two capacities depending on where they are installed on the Metasys system. When installed on the Sensor Actuator (SA) Bus of an Field Equipment Controller (FEC), the IOMs expand the point count of these controllers. When installed on the Field Controller (FC) Bus as point multiplexers, IOMs allow a Network Automation Engine (NAE) or Network Controller Engine (NCE) to monitor and control supervisory points directly. A full range of FEC/FAC models combined with the IOM models can be applied to a wide variety of building applications ranging from simple fan coil or heat pump control, to advanced central plant management.


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Input/Output Module Series

The Input/Output Expansion Module has 16 Input points (16 BI) and is BTL-listed and certified at Protocol Revision 15.


  • Expands controllers for larger applications
  • Flexible configurations: 4, 6, 12 and 17-point expandability
  • Integrates at both field and supervisory levels
  • Models with 16 inputs for monitoring applications

Inputs16 BI


Communications BusBACnet® MS/TP, RS-485

ProcessorRX631 Renesas® 32-bit microcontroller

Memory4 MB external serial flash memory and 768 KB internal flash and 128 KB internal RAM

Supply Voltage24 V AC

Max. Power Consumption14 max. VA

Operating Ambient Conditions0 to 50°C; 10 to 90% RH noncondensing

MountingHorizontal on single 35 mm DIN rail mount (preferred), or screw mount on flat surface with three integral mounting clips on controller

HousingEnclosure material: ABS and polycarbonate UL94 5VB; Self-extinguishing, Plenum-rated Protection Class: IP20 (IEC529)

Net Weight: 0.5kg

Product Dimension:Width 164 Length53 Height150

Working Days

Document TypeLanguage
Last Update DatePreviewDownloadsCopy Link
IOM European Catalog Page
EN 2021
Input/Output Module (IOM) Series_LIT 1900349
EN 10 2020
Metasys System Field Equipment Controllers and Related_LIT 12011042
EN 10 2020