{"product_id":"3adt306311p2103-abb-sdcs-fex-2-dcs500-dcs600-exciter","title":"3ADT306311P2103 ABB SDCS-FEX-2 | DCS500 DCS600 Exciter","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eABB SDCS-FEX-2 (Part Number: 3ADT306311P2103)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a high-precision two-phase field excitation module for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eDCS500\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eDCS600\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDC drive systems. It regulates the current supplied to the motor’s field windings, maintaining constant torque and facilitating operation beyond base speeds through advanced field weakening logic. This board bridges the gap between the drive's control software and the physical motor excitation, ensuring stable performance across varying thermal and load profiles. We supply this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto ensure long-term reliability for legacy drive maintenance.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSDCS-FEX-2\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3ADT306311P2103\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Phase\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2-Phase AC Input\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMaximum Field Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e500 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMaximum Field Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e40 A (Configuration dependent)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eABB DCS500 \/ DCS600 Converter Systems\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eControl Logic\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eThyristor-based phase regulation\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eInternal Plug-in PCB (Open-frame)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e140 mm × 205 mm × 38 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.32 kg – 1.0 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDynamic Field Weakening:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe SDCS-FEX-2 enables constant horsepower operation at speeds exceeding the motor's rated base speed. This capability allows engineers to optimize machine throughput for applications requiring high-speed, low-torque cycles.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eThyristor-Phase Regulation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBy utilizing thyristor-based control, the board delivers exceptionally smooth DC excitation. This precision minimizes torque ripple and reduces mechanical stress on the motor shaft and connected gearboxes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated Safety Supervision:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module monitors field current in real-time. It triggers an immediate drive trip upon detecting field loss, overcurrent, or overheating, preventing catastrophic motor runaway or winding insulation failure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSimplified Modular Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe plug-in design interfaces directly with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSDCS-POW-1\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSDCS-CON\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eboards via standard ribbon cables and headers. This reduces wiring complexity and allows for rapid \"swap-and-run\" replacement during critical downtime windows.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOptimized Thermal Dissipation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe open-frame PCB layout utilizes the converter cabinet’s internal airflow to maintain component temperatures. This design ensures the board handles up to 40A of excitation current without requiring dedicated external cooling fans.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs the SDCS-FEX-2 compatible with the newer DCS800 series?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The SDCS-FEX-2 (3ADT306311P2103) specifically targets the legacy\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eDCS500 and DCS600\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003earchitectures. For DCS800 systems, you must utilize the SDCS-FEX-4 or subsequent excitation units designed for the newer firmware and hardware interfaces.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this board for a 1-phase field application?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe SDCS-FEX-2 is designed as a 2-phase module to provide a more stable and higher-capacity DC output. While some configurations might allow limited input, you should strictly follow the DCS500\/DCS600 manual wiring diagrams to avoid damaging the thyristor bridge.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat precautions should I take during installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAlways discharge the DC drive’s bus capacitors before installing the plug-in board. Ensure the ribbon cable connectors seat firmly in the headers of the control and power boards. Improperly seated connectors can lead to intermittent field loss faults.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this unit come with factory warranty?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Despite being a legacy component, our\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eunits come with a full 12-month factory warranty. We ship these modules in anti-static factory packaging to preserve the integrity of the thyristors and logic components.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":43324216803418,"sku":"SDCS-FEX-2 3ADT306311P2103","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/464_61da07db-fa6e-4361-af99-8a537bd1adc8.jpg?v=1778118988","url":"https:\/\/www.spareoil.com\/products\/3adt306311p2103-abb-sdcs-fex-2-dcs500-dcs600-exciter","provider":"SpareOil Automation","version":"1.0","type":"link"}