{"product_id":"johnson-controls-ms-iom3721-0-16-point-input-output-expansion-module-for-metasys-building-automation","title":"Johnson Controls MS-IOM3721-0 16-Point Input Output Expansion Module for Metasys Building Automation","description":"\u003ch4 class=\"PDq2pG_selectionAnchorContainer\"\u003eDescription\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eThe Johnson Controls MS-IOM3721-0 is a 16-point Input\/Output Expansion Module designed to increase the binary input capacity of Metasys building automation systems. The module provides sixteen binary inputs for monitoring switches, contacts, alarms, and pulse-count devices while communicating over the BACnet MS\/TP network through the FC Bus and SA Bus. The MS-IOM3721-0 is engineered for reliable expansion of HVAC and facility control systems in commercial buildings.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eJohnson Controls\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePLCs\/Machine Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMS-IOM3721-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePLC Module\/Rack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInput\/Output Expansion Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIOM37 Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 Binary Inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDry Contact or Pulse Counter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 VAC Nominal (20–30 VAC), 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14 VA Maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication Protocol\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBACnet MS\/TP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFC Bus and SA Bus (RS-485)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAddress Configuration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDIP Switch Block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStatus Indication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLED Indicators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProcessor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRenesas H8SX\/166xR 32-Bit Microcontroller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMemory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e640 KB Flash Memory, 128 KB RAM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eElectrical Termination\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFixed and Pluggable Screw Terminal Blocks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e35 mm DIN Rail or Panel Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.54 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About MS-IOM3721-0\u003c\/h4\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cmeta charset=\"utf-8\"\u003eThe MS-IOM3721-0 is part of the Johnson Controls IOM37 Series of expansion modules developed for the Metasys Field Equipment Controller family. It is designed to work with Network Automation Engines (NAE), Network Control Engines (NCE), Field Equipment Controllers (FEC), Advanced Application Field Equipment Controllers (FAC), and Variable Air Volume Modular Assembly (VMA) controllers to expand binary input capacity. The module communicates using BACnet MS\/TP over the RS-485 FC Bus and SA Bus while utilizing a 32-bit Renesas microcontroller and onboard Flash memory for dependable operation. A built-in DIP switch block simplifies device addressing, and LED status indicators provide clear diagnostics during commissioning and maintenance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e16 Binary Inputs: Provides sixteen dry-contact or pulse counter inputs for field device monitoring.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eBACnet MS\/TP Communication: Integrates with Metasys controllers through the FC Bus and SA Bus.\u003c\/li\u003e\n\u003cli\u003eDIP Switch Addressing: Allows quick configuration of controller network addresses.\u003c\/li\u003e\n\u003cli\u003eLED Status Indicators: Provide visual diagnostics for power, communication, and module status.\u003c\/li\u003e\n\u003cli\u003e24 VAC Operation: Operates from a standard Class 2 24 VAC power source.\u003c\/li\u003e\n\u003cli\u003eHigh-Performance Processor: Utilizes a Renesas 32-bit microcontroller for reliable field operation.\u003c\/li\u003e\n\u003cli\u003eFlexible Installation: Supports DIN rail or panel mounting with pluggable screw terminal connections.\u003c\/li\u003e\n\u003cli\u003eBuilding Automation Integration: Compatible with FEC, FAC, VMA, NAE, and NCE controllers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe MS-IOM3721-0 delivers the reliability and precision required for expanding binary input capacity in commercial HVAC and building automation systems.\u003c\/p\u003e","brand":"JOHNSON CONTROLS","offers":[{"title":"Default Title","offer_id":52170348495146,"sku":"MS-IOM3721-0","price":947.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/s-l1600_127b1bd4-e100-47ad-ac41-f5ab94df464c.webp?v=1785940044","url":"https:\/\/iqelectro.com\/products\/johnson-controls-ms-iom3721-0-16-point-input-output-expansion-module-for-metasys-building-automation","provider":"IQElectro","version":"1.0","type":"link"}