{"product_id":"abb-sdcs-fex-2-3adt306311p2103-field-excitation-board","title":"ABB SDCS-FEX-2 3ADT306311P2103 Field Excitation Board","description":"\u003ch3\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eABB SDCS-FEX-2 (3ADT306311P2103)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-performance\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003efield exciter module\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edesigned for ABB DCS500 and DCS600 DC drive systems. It provides controlled DC current to the motor’s field windings, enabling precise torque and speed regulation. Compact and robust, it integrates directly into the drive’s converter module, acting as the interface between the drive’s control electronics and the motor field circuit.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eAccurate Field Current Control\u003c\/strong\u003e\u003cbr\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSDCS-FEX-2\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003euses advanced feedback and thyristor-based phase control to maintain a stable field current under varying voltage and thermal conditions. This ensures consistent motor torque and smooth operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eField Weakening Capability\u003c\/strong\u003e\u003cbr\u003eAllows operation beyond the motor’s base speed by reducing field current while maintaining constant horsepower in high-speed regions. Ideal for applications where speed flexibility is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated Protection \u0026amp; Diagnostics\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOvercurrent Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSafeguards thyristors from excessive current\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eField Loss Detection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePrevents motor runaway by safely shutting down the drive\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTemperature Monitoring:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePrevents overheating during continuous or heavy-duty operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSeamless Installation\u003c\/strong\u003e\u003cbr\u003eThe module is designed for plug-and-play installation with ribbon cable connectors and screw terminals. Its internal mounting format eliminates the need for bulky external field controllers.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical 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 Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eSDCS-FEX-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e3ADT306311P2103\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e2-Phase Field Excitation Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eField Voltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eUp to 500 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eField Current Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eUp to 40 A (dependent on cooling and configuration)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eInput Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003ePowered via internal drive control electronics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eCooling Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eAir-cooled within converter cabinet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eProtection Features\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eOvercurrent, Field Loss Detection, Temperature Monitoring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eMounting Format\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003ePlug-in open-frame PCB module\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\"\u003e14 cm × 20.5 cm × 3.8 cm\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\"\u003e0.32 kg (approx. 0.71 lbs)\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\"\u003e0°C to +55°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eSwitzerland\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eCompatible Drives\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eABB DCS500, DCS600, selected DCS800 configurations\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\u003eDC motor speed and torque control in industrial drives\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSteel mills, paper production, and other heavy-duty processes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReplacement or upgrade for internal drive field excitation modules\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSystems requiring precise field weakening for high-speed operation\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 the SDCS-FEX-2 be used in other ABB drives outside DCS500\/DCS600?\u003c\/strong\u003e\u003cbr\u003eA: It may be compatible with certain DCS800 configurations, but verification is required per drive model.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What protection mechanisms are built in?\u003c\/strong\u003e\u003cbr\u003eA: Includes overcurrent protection, loss-of-field detection, and temperature monitoring.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How is the module cooled?\u003c\/strong\u003e\u003cbr\u003eA: It is air-cooled within the converter cabinet and designed for standard industrial operating conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the field current range?\u003c\/strong\u003e\u003cbr\u003eA: Up to 40 A, depending on drive configuration and cooling.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does installation require modifications?\u003c\/strong\u003e\u003cbr\u003eA: No. It is designed as a plug-in PCB module compatible with ABB drive backplanes.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":43659449729123,"sku":"SDCS-FEX-2 3ADT306311P2103","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/2775\/3315\/files\/ABBSDCS-FEX-23ADT306311P2103.jpg?v=1756696122","url":"https:\/\/precisemodule.com\/products\/abb-sdcs-fex-2-3adt306311p2103-field-excitation-board","provider":"Precise Module Ltd.","version":"1.0","type":"link"}