{"product_id":"distech-controls-ecx-400-ddc-expansion-module-for-bacnet-programmable-controllers","title":"Distech Controls ECX-400 DDC Expansion Module for BACnet Programmable Controllers","description":"\u003ch4 class=\"PDq2pG_selectionAnchorContainer\"\u003eDescription\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe Distech Controls ECX-400 is a DDC expansion module designed to increase the input and output capacity of compatible BACnet programmable controllers in commercial HVAC and building automation systems. It provides scalable field I\/O expansion while maintaining seamless communication with host controllers for centralized equipment management. Although discontinued by the manufacturer, the ECX-400 remains a reliable solution for maintaining and expanding existing Distech Controls automation installations.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\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\u003eDistech 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\u003eECX-400\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\u003eDDC 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\u003eECx-400 Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eController Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eECB-600 and ECL-600 Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRS-485 Expansion Bus\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 Compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e320 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDIN Rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCommercial HVAC and Building Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eControl Panel Mounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer Status\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDiscontinued by Manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.43 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 ECX-400\u003c\/h4\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe ECX-400 is part of the Distech Controls ECx-400 Series of I\/O expansion modules developed for use with ECB-600 and ECL-600 Series BACnet programmable controllers. It extends controller capacity by providing additional configurable field inputs and outputs for integrating sensors, actuators, valves, dampers, and other HVAC equipment without requiring a separate controller. The module communicates with the host controller through an RS-485 expansion interface while operating from a 15 VDC supply with a maximum current draw of 320 mA. Its compact enclosure and DIN rail mounting design make it suitable for commercial HVAC control panels serving air handling units, boilers, chillers, cooling towers, and central plant applications.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eDDC Expansion Module: Increases controller I\/O capacity for building automation systems.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eBACnet Controller Compatibility: Designed for ECB-600 and ECL-600 Series programmable controllers.\u003c\/li\u003e\n\u003cli\u003eFlexible System Expansion: Supports additional field devices without replacing the primary controller.\u003c\/li\u003e\n\u003cli\u003eRS-485 Communication: Provides reliable expansion communication with the host controller.\u003c\/li\u003e\n\u003cli\u003e15 VDC Operation: Operates from a regulated 15 VDC supply with a maximum 320 mA current draw.\u003c\/li\u003e\n\u003cli\u003eDIN Rail Mounting: Compact housing enables quick installation in HVAC control panels.\u003c\/li\u003e\n\u003cli\u003eCommercial HVAC Integration: Supports air handling units, chillers, boilers, pumps, and central plant equipment.\u003c\/li\u003e\n\u003cli\u003eModular Architecture: Allows scalable system growth while maintaining centralized control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe ECX-400 delivers the reliability and precision required for expanding BACnet programmable controllers in commercial HVAC and building automation systems.\u003c\/p\u003e","brand":"Distech Controls","offers":[{"title":"Default Title","offer_id":52181681799466,"sku":"ECX-400","price":2785.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/s-l1200_1dd805aa-ecf7-4a1d-80f1-802afc31fbe3.png?v=1786012490","url":"https:\/\/iqelectro.com\/products\/distech-controls-ecx-400-ddc-expansion-module-for-bacnet-programmable-controllers","provider":"IQElectro","version":"1.0","type":"link"}