{"product_id":"basler-electric-decs-200-2l-decs-200-series-digital-excitation-controller","title":"Basler Electric DECS-200-2L | DECS-200 Series Digital Excitation Controller","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBasler DECS-200-2L (Part Number: DECS-200-2L)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-performance\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003edigital excitation control module\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edesigned to regulate the DC field current of synchronous generators. It delivers precise voltage regulation, advanced reactive power control, and integrated generator protection, ensuring stable operation across a wide range of generator types, from conventional thermal units to renewable energy installations.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eCore Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMicroprocessor-Based Control:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eProvides real-time voltage and current monitoring to maintain optimal generator excitation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWide Input Voltage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOperates with 100–240 VAC supply for versatile installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh Output Capability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUp to 125 VDC output and 20 A maximum current for high-capacity generators.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePrecision Regulation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMaintains voltage within ±0.25% of the setpoint.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFlexible Communication:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupports RS-232, RS-485, Modbus™, DeviceNet, and Ethernet protocols for SCADA or DCS integration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRugged Design:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIP65 protection and wide operating temperature (-20°C to +70°C) for harsh industrial environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCompact Form Factor:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eLightweight and space-saving, dimensions 140 x 100 x 60 mm, ideal for generator control cabinets.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eDECS-200-2L\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a digital Automatic Voltage Regulator (AVR) that continuously monitors generator output and adjusts the excitation current to maintain stability under varying load conditions. Its\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTrue RMS sensing\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eensures accurate voltage measurement even in non-linear or high-harmonic environments.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eControl Modes:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAutomatic Voltage Regulation (AVR), Field Current Regulation (FCR), Constant Reactive Power (VAR), Constant Power Factor (PF).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRedundancy Options:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupports Master\/Follower configuration for seamless transfer in dual-exciter systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Stage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePWM-based output provides fast response and efficient field control.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003ePerformance Characteristics\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cstrong\u003e1. Accurate Voltage Regulation\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eMaintains generator voltage within ±0.25% across full load.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSmooth autotracking between operational modes to prevent excitation transients.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUser-selectable stability and response characteristics for various generator types.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e2. Integrated Limiting \u0026amp; Protection\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eMinimum and Maximum Excitation Limiters to prevent under- or over-excitation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStator current and V\/Hz limiters protect generator windings and prevent saturation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExciter Diode Monitoring (EDM) detects open or shorted exciter diodes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e3. Monitoring and Diagnostics\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eSequence-of-Events (SOE) recording with timestamps for troubleshooting.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOscillography captures voltage and current waveforms during disturbances.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLocal backlit LCD display for configuration, status, and basic diagnostics.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e4. Connectivity \u0026amp; Integration\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eRS-232 and RS-485 serial ports for remote monitoring and control.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eModbus™, DeviceNet, and Ethernet communication support for integration with SCADA\/DCS systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConfigurable via Basler’s BESTCOMS™ software for precise tuning and commissioning.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eQuick Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth align=\"left\"\u003eFeature\u003c\/th\u003e\n\u003cth align=\"left\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eDECS-200-2L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eDECS-200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e100–240 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e0–125 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eMaximum Output Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e20 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eControl Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e±0.25%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eCommunication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eRS-232, RS-485, Modbus, DeviceNet, Ethernet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e-20°C to +70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eProtection Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eIP65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e140 x 100 x 60 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e1.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Plants:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eStable excitation control for hydro, thermal, and renewable generators.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIndustrial Power Systems:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEnsures voltage stability and protects equipment under varying load conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRenewable Energy:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWind and solar generator excitation management.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSystem Upgrades:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eReplacement or retrofit for older generator excitation systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFault Response:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eProvides rapid protection and limiting during abnormal conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can DECS-200-2L handle both single-phase and three-phase sensing?\u003c\/strong\u003e\u003cbr\u003eA: Yes, it supports True RMS sensing for accurate control in both single-phase and three-phase configurations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What modes of operation does it support?\u003c\/strong\u003e\u003cbr\u003eA: AVR, FCR, VAR, and PF control modes with autotracking between modes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What communication protocols are supported?\u003c\/strong\u003e\u003cbr\u003eA: RS-232, RS-485, Modbus™, DeviceNet, and Ethernet for SCADA\/DCS integration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is it suitable for harsh environmental conditions?\u003c\/strong\u003e\u003cbr\u003eA: Yes, it is IP65 rated and operates reliably from -20°C to +70°C.\u003c\/p\u003e","brand":"BASLER","offers":[{"title":"Default Title","offer_id":44118928785507,"sku":"DECS-200-2L","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/2775\/3315\/files\/DECS-200-2L-1.jpg?v=1774864321","url":"https:\/\/precisemodule.com\/products\/basler-electric-decs-200-2l-decs-200-series-digital-excitation-controller","provider":"Precise Module Ltd.","version":"1.0","type":"link"}