{"product_id":"edwards-est-4-sddc-est4-dual-signature-driver-controller-with-two-4-sdc-cards","title":"Edwards EST 4-SDDC EST4 Dual Signature Driver Controller with Two 4-SDC Cards","description":"\u003ch4 class=\"PDq2pG_selectionAnchorContainer\"\u003eDescription\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp dir=\"auto\" data-start=\"16\" data-end=\"396\"\u003e\u003cmeta charset=\"UTF-8\"\u003eThe Edwards EST 4-SDDC is an EST4 Dual Signature Driver Controller designed to provide two intelligent Signature Series signaling line circuits for commercial fire alarm and life-safety systems. Edwards EST part number 4-SDDC includes two 4-SDC Signature Driver Cards and supports digital communication, supervision, addressing, and control of Signature detectors and modules.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\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\u003eEdwards EST\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFire Alarm \u0026amp; Life Safety\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4-SDDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSignature Loop Controllers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEST4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDual Signature Driver Controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncluded Driver Cards\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 × 4-SDC Signature Driver Cards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Signature Circuits\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDetector Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 125 Detectors per Circuit \/ 250 Total\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Address Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 125 Module Addresses per Circuit \/ 250 Total\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCircuit Wiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClass B, Class A, or Class X\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Isolators\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 64 per Signature Circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication Protocol\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEdwards Signature Series Fully Digital Communication\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 VDC Nominal via Panel Rail Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSLC Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e21 VDC Maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandby Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e268 mA, Including Connected Signature Device Load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAlarm Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e309 mA, Including Connected Signature Device Load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDevice Addressing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAutomatic Electronic Addressing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDevice Mapping\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAutomatic Mapping with Nonvolatile Storage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Controllers per Supported Node\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 5 Dual-Loop Controllers \/ 10 Signature Circuits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Footprint\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Local Rail Module Space\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eField Wiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRemovable Terminal Blocks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePrimary Application\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIntelligent Fire Detection and Signature Device Loop Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 13.5 × 7 × 4 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 1.5 lb (0.68 kg)\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\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003e4-SDDC\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eThe 4-SDDC is an EST4 Series intelligent dual-loop controller assembly built around two removable 4-SDC Signature Driver Cards installed on a common controller platform. Each Signature circuit supports up to 125 detector addresses and 125 module addresses, providing combined controller capacity for as many as 250 detectors and 250 modules when both loops are fully configured. The circuits support Class B, Class A, and Class X wiring while providing electronic addressing, automatic device mapping, nonvolatile mapping data, device-location supervision, detector sensitivity management, and maintenance reporting. Installed on the EST4 local rail architecture, the controller receives its operating power and system communications through the panel and can be combined with additional dual-loop controllers to create high-capacity Signature device networks.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eDual Signature Circuits: Includes two 4-SDC driver cards providing two independently supervised Signature signaling line circuits.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigh Device Capacity: Each circuit supports up to 125 Signature detectors plus 125 Signature module addresses.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e500-Address Total Capacity: Two fully populated circuits can accommodate up to 250 detectors and 250 module addresses.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDigital Signature Communication: Provides fully digital communication with compatible Edwards Signature Series field devices.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMultiple Wiring Classes: Supports Class B, Class A, and Class X Signature circuit configurations.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eElectronic Device Addressing: Signature devices use electronic addressing rather than conventional mechanical address switches.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAutomatic Device Mapping: Maintains a map of connected devices and assists in identifying missing, added, or relocated equipment.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNonvolatile Mapping Data: Retains Signature circuit mapping information without depending on volatile operating memory.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDetector Management: Supports automatic day\/night sensitivity functions and maintenance reporting for compatible Signature detectors.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCO Sensor Monitoring: Supports service-life monitoring for compatible Signature devices incorporating carbon monoxide sensing.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCircuit Isolation Support: Accommodates up to 64 compatible isolators per Signature circuit for enhanced fault isolation and survivability.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eScalable EST4 Architecture: Up to five dual-loop controllers can be used per supported node configuration, providing as many as ten Signature circuits.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThe 4-SDDC delivers the reliability and precision required for intelligent detection, device supervision, and high-capacity Signature loop control in Edwards EST4 fire alarm and life-safety systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp id=\"p-rc_c7b8f4fae39e183e-25\"\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Edwards","offers":[{"title":"Default Title","offer_id":52804794253610,"sku":"4-SDDC","price":2592.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/43312-554x1024.png?v=1790793862","url":"https:\/\/iqelectro.com\/products\/edwards-est-4-sddc-est4-dual-signature-driver-controller-with-two-4-sdc-cards","provider":"IQElectro","version":"1.0","type":"link"}