{"product_id":"abb-drives-sdcs-fex-2a-3adt311500r1-field-exciter-board","title":"ABB SDCS-FEX-2A 3ADT311500R1 Field Exciter Board","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe ABB SDCS-FEX-2A (3ADT311500R1) is a specialized field exciter board designed for integration into ABB DCS 500 and DCS 600 DC drive systems. This module regulates the field current of DC motors to ensure stable and efficient motor operation. The assembly integrates both the power section and the control logic into a single, compact unit intended for internal mounting within the armature converter module.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eIntegrated power and control circuitry for DC motor field excitation.\u003c\/li\u003e\n\u003cli\u003eHalf-controlled bridge configuration utilizing two power modules, each containing one diode and one thyristor.\u003c\/li\u003e\n\u003cli\u003eDigital control system based on an 80C198 microcontroller with PI current control.\u003c\/li\u003e\n\u003cli\u003eAutomatic current range selection (3 A to 16 A) to optimize resolution for smaller field currents.\u003c\/li\u003e\n\u003cli\u003eCompatible with DCS 500B and DCS 600 MultiDrive systems.\u003c\/li\u003e\n\u003cli\u003eNon-volatile parameter storage via the armature converter, updated during initialization via RS485 link.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDC motor control in steel and chemical processing plants.\u003c\/li\u003e\n\u003cli\u003eIndustrial drive systems for heavy-duty manufacturing.\u003c\/li\u003e\n\u003cli\u003ePower island management for large-scale industrial infrastructure.\u003c\/li\u003e\n\u003cli\u003eRetrofit and maintenance support for legacy DCS 500\/600 drive series.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Model\u003c\/td\u003e\n\u003ctd\u003eSDCS-FEX-2A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrder Code\u003c\/td\u003e\n\u003ctd\u003e3ADT311500R1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e110 V to 500 V AC (Single-phase)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax DC Output Current\u003c\/td\u003e\n\u003ctd\u003e8 A (for 25-75 A converters) \/ 16 A (for 100-2000 A converters)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 degC to +60 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 degC to +85 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5-95% (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMounting: Install inside the armature converter module adjacent to the SDCS-POW-1 electronic power supply. Compatible with DCS module types C1, C2, and A5.\u003c\/li\u003e\n\u003cli\u003eConnection: Use the X14 flat cable to establish communication with the SDCS-CON-2 controller.\u003c\/li\u003e\n\u003cli\u003eEMC Compliance: It is highly recommended to install a commutating reactor in the field power converter's supply circuit to minimize electromagnetic interference.\u003c\/li\u003e\n\u003cli\u003eHandling: Ensure the system is powered down before inserting or removing the board. Follow standard ESD (Electrostatic Discharge) precautions during handling.\u003c\/li\u003e\n\u003cli\u003eConfiguration: Ensure parameter 15.05 in the drive software is set to the correct field exciter type (typically value 2) upon installation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eWhat is the primary function of this board?\u003c\/h3\u003e\u003cp\u003eIt serves as a field exciter power supply for DC drive systems, regulating the excitation current required for stable DC motor operation.\u003c\/p\u003e\u003ch3\u003eWhich drive systems are compatible with this board?\u003c\/h3\u003e\u003cp\u003eThe SDCS-FEX-2A is designed for the ABB DCS 500 and DCS 600 series. It must be correctly configured in the drive software parameters to ensure proper communication and control.\u003c\/p\u003e\u003ch3\u003eHow is the board controlled?\u003c\/h3\u003e\u003cp\u003eThe board is controlled by an onboard 80C198 microcontroller that receives firing pulses and control signals from the main controller (SDCS-CON-2) via a dedicated flat cable connection.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":50919986462972,"sku":"SDCS-FEX-2A 3ADT311500R1","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_2de4654d-3d82-4019-b98a-d2b39ebc5c0f.jpg?v=1785911671","url":"https:\/\/www.electronicplc.com\/products\/abb-drives-sdcs-fex-2a-3adt311500r1-field-exciter-board","provider":"Electronic PLC","version":"1.0","type":"link"}