{"product_id":"edwards-est-qs4-cpu-1-quickstart-qs4-fire-alarm-control-cpu-board","title":"Edwards EST QS4-CPU-1 QuickStart QS4 Fire Alarm Control CPU Board","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 QS4-CPU-1 is a QuickStart Series central processing unit board designed to manage fire alarm detection, notification, system logic, and communications within compatible QS4 control panels. Edwards EST part number QS4-CPU-1 serves as the primary processing module for the panel, coordinating installed circuits and option modules while monitoring system alarm, supervisory, and trouble conditions.\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\u003eQS4-CPU-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFire Alarm CPU Boards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eQuickStart QS4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFire Alarm Control Panel CPU Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Function\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCentral Processing and System Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Platform\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEdwards EST QuickStart QS4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEvent Processing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAlarm, Supervisory and Trouble Conditions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eControl Functions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDetection, Notification and Programmed System Responses\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSystem Logic\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eProgrammable Fire Alarm Control Logic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Communication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInternal QS4 Panel Communications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupervision\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSystem and Compatible Module Monitoring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInternal Control Panel Circuit Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eService Application\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eQS4 CPU Replacement \/ System Maintenance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePrimary Application\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFire Alarm Control and Life-Safety System Processing\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 lb (0.45 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 \u003cspan data-sheets-root=\"1\"\u003eQS4-CPU-1\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eThe QS4-CPU-1 is a central processor board developed for the Edwards EST QuickStart QS4 fire alarm control platform. Its electronics provide the processing and system-control functions required to coordinate addressable detection devices, notification circuits, user-programmed system responses, and compatible expansion hardware installed within the control panel. The CPU continuously evaluates system events and executes programmed alarm, supervisory, trouble, notification, and control functions while supporting communication between the panel's internal modules. Designed as a service-replaceable control board, the QS4-CPU-1 is primarily used for maintaining or restoring compatible legacy QuickStart QS4 fire alarm systems.\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\u003eCentral Processing Function: Provides the primary logic and processing functions for compatible QuickStart QS4 fire alarm control panels.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eQuickStart QS4 Compatibility: Engineered specifically for the Edwards EST QS4 fire alarm control platform.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSystem Event Processing: Evaluates fire alarm, supervisory, trouble, and other programmed system events.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDetection Coordination: Processes information received through compatible QS4 detection and signaling circuitry.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNotification Control: Coordinates programmed operation of compatible notification appliance circuits and related output functions.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProgrammable System Logic: Executes configured system responses based on incoming events and programmed operating sequences.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInternal Module Communication: Coordinates data exchange among compatible modules and electronics installed in the QS4 panel.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSystem Supervision: Supports continuous monitoring of connected system components for abnormal and fault conditions.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDiagnostic Support: Provides the processing foundation for panel status reporting, troubleshooting, and system service functions.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eModular Construction: Board-level design allows replacement of the processor assembly without replacing the complete fire alarm control panel.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLegacy System Support: Suitable for maintenance and repair of existing Edwards EST QuickStart QS4 installations.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLife-Safety Application: Designed for centralized control of commercial and institutional fire detection and notification systems.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThe QS4-CPU-1 delivers the reliability and precision required for central processing, event management, supervision, and coordinated control within Edwards EST QuickStart QS4 fire alarm 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":52805968134442,"sku":"QS4-CPU-1","price":2382.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/s-l1600_fa9e8cc8-da43-4fdf-a2cb-0286aa8949d1.webp?v=1790804699","url":"https:\/\/iqelectro.com\/products\/edwards-est-qs4-cpu-1-quickstart-qs4-fire-alarm-control-cpu-board","provider":"IQElectro","version":"1.0","type":"link"}