{"product_id":"3-sddc1-edwards-est-dual-signature-loop-controller-module","title":"3-SDDC1 | Edwards EST Dual Signature Loop Controller Module","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-start=\"144\" data-end=\"396\"\u003eThe Edwards EST 3-SDDC1 is a dual Signature loop controller module that supports up to two Class A, Class B, or Class X data circuits for Signature Series detectors and modules. It integrates distributed intelligence through digital communication, enabling fast response, accurate supervision, and compatibility with the full range of Signature and Signature II devices.\u003c\/p\u003e\n\u003cp data-start=\"284\" data-end=\"574\" class=\"\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"284\" data-end=\"574\" class=\"\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"width: 100%; height: 411.47px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 22.3538%; height: 19.5938px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 77.2825%; height: 19.5938px;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 22.3538%; height: 19.5938px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 77.2825%; height: 19.5938px;\"\u003eEdwards EST\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 22.3538%; height: 19.5938px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 77.2825%; height: 19.5938px;\"\u003eFire Alarm Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 22.3538%; height: 19.5938px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 77.2825%; height: 19.5938px;\"\u003e3-SDDC1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 22.3538%; height: 19.5938px;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 77.2825%; height: 19.5938px;\"\u003eLoop Controller Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 22.3538%; height: 19.5938px;\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 77.2825%; height: 19.5938px;\"\u003eDual Signature Driver Controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 22.3538%; height: 19.5938px;\"\u003e\u003cstrong\u003eCircuits Supported\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 77.2825%; height: 19.5938px;\"\u003eTwo Signature data circuits (Class A, B, or X)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 22.3538%; height: 19.5938px;\"\u003e\u003cstrong\u003eDevice Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 77.2825%; height: 19.5938px;\"\u003e250 Signature detectors + 250 Signature modules per controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 22.3538%; height: 19.5938px;\"\u003e\u003cstrong\u003eNode Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 77.2825%; height: 19.5938px;\"\u003eUp to 5 modules per node (10 circuits total)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 22.3538%; height: 19.5938px;\"\u003e\u003cstrong\u003eCommunication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 77.2825%; height: 19.5938px;\"\u003eDigital, noise-resistant, distributed intelligence\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 22.3538%; height: 19.5938px;\"\u003e\u003cstrong\u003eProcessor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 77.2825%; height: 19.5938px;\"\u003eDedicated onboard microprocessor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 22.3538%; height: 19.5938px;\"\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 77.2825%; height: 19.5938px;\"\u003eSignature and Signature II devices (including CO detection)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 22.3538%; height: 19.5938px;\"\u003e\u003cstrong\u003eResponse Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 77.2825%; height: 19.5938px;\"\u003eLoop alarm in under 750 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 22.3538%; height: 19.5938px;\"\u003e\u003cstrong\u003eDevice Supervision\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 77.2825%; height: 19.5938px;\"\u003eDetects missing, unexpected, or relocated devices\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 22.3538%; height: 19.5938px;\"\u003e\u003cstrong\u003eMapping\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 77.2825%; height: 19.5938px;\"\u003eAutomatic nonvolatile as-built mapping with stored device data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 22.3538%; height: 19.5938px;\"\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 77.2825%; height: 19.5938px;\"\u003eOccupies one rail space in EST3 cabinet, mounts to local rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 22.3538%; height: 19.5938px;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 77.2825%; height: 19.5938px;\"\u003e5 in W × 5 in H × 10 in D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 22.3538%; height: 19.5938px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 77.2825%; height: 19.5938px;\"\u003e1 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003eInformation About 3-SDDC1\u003c\/h4\u003e\n\u003cp\u003eThe 3-SDDC1 is an Edwards EST Signature Dual Driver Controller module designed to expand the capabilities of EST3 fire alarm control systems. It supports two fully supervised Signature data circuits, accommodating up to 250 detectors and 250 modules per controller. Each unit features a dedicated microprocessor to manage communication, increasing accuracy and reducing susceptibility to electrical noise. With built-in mapping, device location supervision, and compatibility with the entire Signature II line, the 3-SDDC1 ensures reliable operation in both new and retrofit installations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDual Circuit Support: Provides two Class A, B, or X Signature data circuits for large system capacity.\u003c\/li\u003e\n\u003cli\u003eDistributed Intelligence: Equipped with its own processor for faster and more accurate device communication.\u003c\/li\u003e\n\u003cli\u003eDevice Capacity: Supports up to 250 detectors and 250 modules per circuit for scalable installations.\u003c\/li\u003e\n\u003cli\u003eAdvanced Supervision: Monitors device addresses, unexpected additions, and location changes.\u003c\/li\u003e\n\u003cli\u003eAutomatic Mapping: Stores both expected and actual device data, including wiring sequence.\u003c\/li\u003e\n\u003cli\u003eCompatibility: Fully backward compatible with earlier Signature loop controllers.\u003c\/li\u003e\n\u003cli\u003eFast Response: Processes loop alarms in less than 750 milliseconds for timely detection.\u003c\/li\u003e\n\u003cli\u003eExpandable: Up to five 3-SDDC1 modules per node provide 10 Signature circuits in total.\u003c\/li\u003e\n\u003cli\u003eConvenient Installation: Removable field wiring terminals simplify service and system setup.\u003c\/li\u003e\n\u003cli\u003eAdaptive Sensitivity: Automatic day\/night sensitivity adjustment improves system accuracy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 3-SDDC1 delivers the reliability and precision required for advanced fire alarm detection and control in complex installations.\u003c\/p\u003e","brand":"Edwards EST","offers":[{"title":"Default Title","offer_id":49105201266944,"sku":"3-SDDC1","price":2182.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/edwards_est_3-sddc1_dual_signature_driver_controller_module_600x_c49a6e2c-7760-47d9-9462-259dd780e530.jpg?v=1785542429","url":"https:\/\/alotechparts.com\/products\/3-sddc1-edwards-est-dual-signature-loop-controller-module","provider":"Alo Tech Solutions","version":"1.0","type":"link"}