{"product_id":"abb-sdcs-pin-3a-3adt312200r1-power-interface-board","title":"ABB SDCS-PIN-3A 3ADT312200R1 Power Interface Board","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eABB SDCS-PIN-3A\u003c\/strong\u003e (Part Number \u003cstrong\u003e3ADT312200R1\u003c\/strong\u003e) is a specialized power interface board designed for integration within ABB DCS 400 thyristor power converter modules. Situated directly between the main thyristor power bridge, high-voltage feedback networks, and the \u003cstrong\u003eSDCS-CON-3A\u003c\/strong\u003e control board, this board provides signal conditioning, firing pulse routing, and voltage\/current measurement isolation across two-quadrant (DCS 401) and four-quadrant (DCS 402) DC drive systems.\u003c\/p\u003e\n\u003cp\u003eOperating as the primary internal power interface across DCS 400 module frame sizes (A1 through A4), the \u003cstrong\u003eSDCS-PIN-3A\u003c\/strong\u003e manages critical low-voltage and high-voltage signal paths. It handles line voltage sensing, AC line frequency detection, phase sequence evaluation, and thyristor gate drive signal distribution. By converting high-power feedback signals into safe, scaled analog inputs for processing, it ensures real-time armature voltage, field excitation, and current loop control execution.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGating Pulse Distribution:\u003c\/strong\u003e Routes isolated firing pulse signals generated by the main control board directly to the power converter's thyristor modules.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Line \u0026amp; Voltage Sensing:\u003c\/strong\u003e Measures 3-phase AC mains voltage supply and DC armature output voltage for system voltage regulation and phase sequence detection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectronics Supply Interfacing:\u003c\/strong\u003e Manages single-phase auxiliary supply power routing (115 V AC to 230 V AC) for internal control circuit operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOnboard Current \u0026amp; Thermal Monitoring:\u003c\/strong\u003e Interfacing for current feedback measurements and heat sink overtemperature sensor evaluation (PTC\/thermal switch).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCross-Frame Compatibility:\u003c\/strong\u003e Native board architecture scaled to serve DCS 400 converter frame sizes A1, A2, A3, and A4 across current ratings from 20 A to 1000 A.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eABB DCS 400 DC Converter Modules:\u003c\/strong\u003e Internal power supply, gate driving, and feedback signal processing for DCS 401 (2-quadrant) and DCS 402 (4-quadrant) thyristor drives.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArmature \u0026amp; Field Power Interfacing:\u003c\/strong\u003e Real-time signal conditioning for DC motor speed control, torque current regulation, and automatic field weakening loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial DC Motor Drives:\u003c\/strong\u003e Control electronics interface for industrial DC drive systems running pumps, fans, extruders, conveyors, and heavy industrial machinery.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eABB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e3ADT312200R1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoard Model\u003c\/td\u003e\n\u003ctd\u003eSDCS-PIN-3A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003ePower Interface Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Drive Platform\u003c\/td\u003e\n\u003ctd\u003eABB DCS 400 Thyristor Power Converters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Drive Models\u003c\/td\u003e\n\u003ctd\u003eDCS 401 (2-Quadrant), DCS 402 (4-Quadrant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Frame Sizes\u003c\/td\u003e\n\u003ctd\u003eSize A1, Size A2, Size A3, Size A4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectronics Auxiliary Voltage\u003c\/td\u003e\n\u003ctd\u003e115 V AC \/ 230 V AC (1-phase, -15% \/ +10%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAuxiliary Voltage Frequency\u003c\/td\u003e\n\u003ctd\u003e45 Hz to 65 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConverter Main Voltage Range\u003c\/td\u003e\n\u003ctd\u003e230 V AC to 500 V AC (3-phase, ±10% permanent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMain Supply Rated Frequency\u003c\/td\u003e\n\u003ctd\u003e50 Hz \/ 60 Hz (Static: ±2%; Dynamic: 50 Hz ±5 Hz, 60 Hz ±5 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Control Board\u003c\/td\u003e\n\u003ctd\u003eSDCS-CON-3A Control Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Field Board\u003c\/td\u003e\n\u003ctd\u003eSDCS-FIS-3A Field Interface Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Ambient Temperature\u003c\/td\u003e\n\u003ctd\u003e+5 degC to +40 degC (rated current); up to +55 degC with derating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 degC to +55 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransport Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 degC to +70 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5% to 95% (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePollution Degree\u003c\/td\u003e\n\u003ctd\u003eGrade 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eConnections \/ Interfaces\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eInterface \/ Connector\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eX1, X2, X3\u003c\/td\u003e\n\u003ctd\u003eInternal signal Ribbon\/Cable connections to SDCS-CON-3A Control Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eX4, X7\u003c\/td\u003e\n\u003ctd\u003eInterface connection paths to SDCS-FIS-3A Field Interface Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eX11, X12, X13, X14\u003c\/td\u003e\n\u003ctd\u003eHigh-voltage mains sensing, phase feedback, and thyristor gate firing pulse outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eX99\u003c\/td\u003e\n\u003ctd\u003eSingle-phase 115 V AC \/ 230 V AC auxiliary electronics power supply input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Precaution:\u003c\/strong\u003e Disconnect and lock out all 3-phase main AC line supplies, 1-phase auxiliary supplies, and external field control supplies before opening the DCS 400 module cover.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrostatic Discharge (ESD):\u003c\/strong\u003e Use a grounded ESD wrist strap and anti-static mat when handling the replacement board to avoid electrostatic damage to sensitive CMOS circuitry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule Access:\u003c\/strong\u003e Remove the light-grey front cover (RAL 9002) of the DCS 400 converter module to expose the internal card cage and control board stack.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Identification:\u003c\/strong\u003e Mark all internal ribbon cables, multi-pin harness plugs, and high-voltage connection leads prior to removal to ensure exact re-assembly mapping.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware Mounting:\u003c\/strong\u003e Carefully unfasten retaining screws, ensuring non-conductive standoffs and spacers are retained and reinstalled properly. Secure the board using factory-specified mounting points.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring Verification:\u003c\/strong\u003e Ensure all push-on connectors and ribbon cable plugs (X1–X14, X99) are fully seated and securely latched.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eCommissioning Recommendations\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupply Voltage Verification:\u003c\/strong\u003e Before applying main power, verify that the 1-phase auxiliary supply on terminal block X99 matches the board tap configuration (115 V AC or 230 V AC).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCold Inspection:\u003c\/strong\u003e Check for proper insulation clearances between high-voltage sensing lines on the board and adjacent metallic frame structural components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower-Up Diagnostic:\u003c\/strong\u003e Apply auxiliary power. Monitor the 7-segment display on the connected \u003cstrong\u003eSDCS-CON-3A\u003c\/strong\u003e control board to confirm that the internal watchdog self-test passes without supply or reset faults.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eParameter Verification:\u003c\/strong\u003e Verify drive armature voltage, field voltage, and AC mains nominal parameters in the DCS 400 control software or keypad panel before enabling thyristor bridge firing outputs.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":53764827939179,"sku":"SDCS-PIN-3A 3ADT312200R1","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/SDCS-PIN-3A-3ADT312200R1_003_1200x1200_71f09443-43a8-4f29-96cb-9ca86bbdc8b9.jpg?v=1787667337","url":"https:\/\/www.plcprotech.com\/products\/abb-sdcs-pin-3a-3adt312200r1-power-interface-board","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}