{"product_id":"woodward-8440-1878-dslc-2-digital-synchronizer-load-control","title":"Woodward 8440-1878 DSLC-2 Digital Synchronizer Load Control","description":"\u003carticle\u003e\n\u003ch3\u003e\n\u003cstrong\u003eProduct Description\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e8440-1878 (DSLC-2)\u003c\/strong\u003e from \u003cstrong\u003eWoodward\u003c\/strong\u003e is a microprocessor-controlled synchronizing and load management module designed for three-phase generator systems. It combines synchronizing control, real power load sharing, and process management in a single integrated unit.\u003c\/p\u003e\n\u003cp\u003eEngineered for generator paralleling applications, this controller ensures precise matching of generator voltage, frequency, and phase before breaker closure. Once synchronized, the device automatically manages active load distribution and system stability across multiple generators operating on a common bus.\u003c\/p\u003e\n\u003cp\u003eThe DSLC-2 platform is widely deployed in industrial power plants, marine power systems, and standby generator installations where accurate synchronization and dependable load balancing are critical.\u003c\/p\u003e\n\u003ch3\u003e\n\u003cstrong\u003eKey Technical Specifications\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003e\nParameter\n\u003c\/th\u003e\n\u003cth\u003e\nSpecification\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nModel\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e8440-1878 (DSLC-2)\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nManufacturer\n\u003c\/td\u003e\n\u003ctd\u003e\nWoodward\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nDevice Type\n\u003c\/td\u003e\n\u003ctd\u003e\nDigital Synchronizer and Load Control Module\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nGenerator System Type\n\u003c\/td\u003e\n\u003ctd\u003e\nThree-phase AC generator systems\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nSynchronizing Methods\n\u003c\/td\u003e\n\u003ctd\u003e\nPhase-matching synchronization, Slip-frequency synchronization\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nCurrent Inputs\n\u003c\/td\u003e\n\u003ctd\u003e\n5 A CT inputs\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nBus Voltage Input\n\u003c\/td\u003e\n\u003ctd\u003e\n120 VAC \/ 480 VAC\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nControl Functions\n\u003c\/td\u003e\n\u003ctd\u003e\nSynchronizing, Load Control, VAR Control, Power Factor Control, Dead Bus Closing\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nPower Supply\n\u003c\/td\u003e\n\u003ctd\u003e\n12 \/ 24 VDC\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nCommunication Interfaces\n\u003c\/td\u003e\n\u003ctd\u003e\n2 × Ethernet, 1 × RS-485, 1 × RS-232\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nRelay Outputs\n\u003c\/td\u003e\n\u003ctd\u003e\n12 \/ 24 VDC\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nMounting\n\u003c\/td\u003e\n\u003ctd\u003e\nRear panel installation\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nDimensions\n\u003c\/td\u003e\n\u003ctd\u003e\n250 × 227 × 84 mm\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nWeight\n\u003c\/td\u003e\n\u003ctd\u003e\n​2.95 lb\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nOperating Temperature\n\u003c\/td\u003e\n\u003ctd\u003e\n–40 °C to +70 °C\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nCertifications\n\u003c\/td\u003e\n\u003ctd\u003e\nUL, cUL, CSA, GOST-R\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\n\u003cstrong\u003eCore Functional Capabilities\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003e• Digital generator synchronizer for automatic breaker closure\r\n• Integrated load sensor for active power sharing between generators\r\n• Dead-bus closing functionality for black-start or bus restoration scenarios\r\n• Reactive power control through VAR and power factor regulation\r\n• Ethernet and serial communication for integration with SCADA or plant control networks\r\n• Wide environmental operating range suitable for power plants and industrial facilities\u003c\/p\u003e\n\u003ch3\u003e\n\u003cstrong\u003eTypical Application Scenarios\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e8440-1878 (DSLC-2)\u003c\/strong\u003e is commonly installed in generator control panels and power management systems where multiple generators must operate in parallel.\u003c\/p\u003e\n\u003cp\u003eTypical installations include:\u003c\/p\u003e\n\u003cp\u003e• Industrial standby and prime power plants\r\n• Data center backup generator systems\r\n• Marine and offshore generator control systems\r\n• Utility peak-shaving generator installations\r\n• Distributed energy or microgrid systems\u003c\/p\u003e\n\u003cp\u003eIn these environments the controller coordinates generator synchronization, ensures smooth breaker engagement, and balances electrical load between multiple machines.\u003c\/p\u003e\n\u003ch3\u003e\n\u003cstrong\u003eOperational Considerations\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003eProper CT wiring and voltage sensing configuration are essential to guarantee accurate load sharing and synchronization performance. During commissioning, the synchronizing parameters such as voltage matching window, frequency slip limits, and phase angle tolerance should be configured according to the generator system design.\u003c\/p\u003e\n\u003cp\u003ePeriodic verification of synchronization accuracy and load distribution behavior is recommended as part of routine generator maintenance.\u003c\/p\u003e\n\u003ch3\u003e\n\u003cstrong\u003eFAQ\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the primary function of the DSLC-2 module?\u003c\/strong\u003e\r\nIt synchronizes generators to a common electrical bus and then manages load sharing between generators operating in parallel.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this module be connected to SCADA systems?\u003c\/strong\u003e\r\nYes. With Ethernet, RS-485, and RS-232 interfaces, the unit can communicate with supervisory control or plant monitoring systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the controller support dead-bus closing?\u003c\/strong\u003e\r\nYes. The DSLC-2 includes a dead-bus closing feature, allowing a generator to energize a de-energized bus during system start-up or restoration.\u003c\/p\u003e\n\u003c\/article\u003e","brand":"Woodward","offers":[{"title":"Default Title","offer_id":52762106495261,"sku":"8440-1878","price":9.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/5387\/3181\/files\/8440-1878-2_1000.jpg?v=1787222525","url":"https:\/\/www.6gcontrols.com\/products\/woodward-8440-1878-dslc-2-digital-synchronizer-load-control","provider":"6G Controls","version":"1.0","type":"link"}