{"product_id":"abb-dsai146-3bse007949r1-rtd-analog-input-board-module","title":"ABB DSAI146 3BSE007949R1 RTD Analog Input Board Module","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe ABB S100 I\/O DSAI146 (Engineering Part Number: 3BSE007949R1) operates as a high-precision, industrial-grade RTD Analog Input Board engineered explicitly for the legacy Advant OCS and MasterPiece 200 series Distributed Control Systems. This vital processing module directly reads resistance temperature detectors to track core thermal states across large plant networks. It delivers unmatched reliability in critical applications, such as monitoring large motor bearings, supervising turbine winding temperatures, and handling distillation column heat profiles.\u003c\/p\u003e\n\u003cp\u003eIn high-capacity manufacturing complexes, unmitigated thermal drift or intermittent signal fluctuations compromise process safety margins and can trigger unnecessary emergency shutdowns. The DSAI146 module prevents this by providing deep physical isolation and direct hardware-level mains frequency suppression filtering at 20 Hz and 60 Hz. This onboard active filter design blocks heavy inductive noise generated by adjacent switchgear. By implementing this ruggedized thermal conversion module, instrumentation teams preserve raw signal accuracy and maintain absolute operational safety across thermal processes.\u003c\/p\u003e\n\u003ch2\u003eSignal Processing Matrix and Mains Filtering Engine\u003c\/h2\u003e\n\u003cp\u003eThis analog hardware board utilizes a multi-channel analog-to-digital converter framework optimized for resistive element tracking. The dedicated internal circuitry continuously injects a stabilized, low-level sensing current through the field RTD elements to calculate precise resistance variances without inducing self-heating errors at the sensor tip.\u003c\/p\u003e\n\u003ch3\u003eDual Frequency Noise Rejection\u003c\/h3\u003e\n\u003cp\u003eThe built-in filtering matrix addresses the specific challenges of industrial power grids by incorporating selectable 20 Hz and 60 Hz mains frequency line attenuation profiles. This hardware-level filter actively suppresses electromagnetic hum and common-mode grid interference before the signal reaches the internal data conversion bus.\u003c\/p\u003e\n\u003ch3\u003eBroken Wire Lead Compensation\u003c\/h3\u003e\n\u003cp\u003eThe card architecture integrates automated three-wire lead resistance compensation circuitry. It measures and cancels out the inherent copper wire resistance present over long cable paths from the marshalling rack to the field sensor, guaranteeing true process value registration at the control desk.\u003c\/p\u003e\n\u003ch2\u003ePhysical Specifications and Functional Constants\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eOperational Engineering Matrix\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCertified Factory Attribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eManufacturer\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eABB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel Core Identifier\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDSAI146\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSpare Part Registry Number\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3BSE007949R1\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSystem Platform Architecture\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eS100 I\/O \/ Advant OCS \/ MasterPiece\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eNative Signal Interface Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eResistance Temperature Detector (RTD) Inputs\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eIntegrated Hardware Filter Profiles\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e20 Hz \/ 60 Hz Selectable Line Suppression\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eNet Module Weight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.34 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePhysical Shipping Outer Dimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.0 cm x 25.0 cm x 24.5 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSubstrate Base Construction\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMulti-Layer Conformal Coated Glass Epoxy\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCountry of Origin\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSweden\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eGlobal Export Tariff HS Code\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8537101190\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePermissible System Scan Cycle\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDeterministic Hardware Block Scan\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eIngress Security Rating\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIP20 Open Chassis Classification\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eField Wiring Protocols and Module Mounting Guidelines\u003c\/h2\u003e\n\u003cp\u003eInsert the DSAI146 board carefully along the designated card guide channels of the S100 I\/O subrack enclosure, pushing firmly until the heavy-duty rear multi-pin DIN plug seats fully into the active backplane.\u003c\/p\u003e\n\u003ch3\u003eShielded Field Twisted Pair Termination\u003c\/h3\u003e\n\u003cp\u003eTechnicians must route all field RTD signal cables through dedicated low-voltage cable trays away from 380V\/410V AC power distribution lines. Ground the overall cable shield braid at a single instrumentation clean earth terminal bar within the local marshalling cabinet to eliminate stray ground current loops.\u003c\/p\u003e\n\u003ch3\u003eThree-Wire Lead Balancing\u003c\/h3\u003e\n\u003cp\u003eAlways utilize matching wire lengths and equal gauge cross-sections for all three conductors connected to a single RTD channel. Mismatched conductor properties upset the bridge balance calculations inside the module, introducing permanent calibration offsets into the processed temperature readout.\u003c\/p\u003e\n\u003ch2\u003eThermal Endurance and System Integration Capabilities\u003c\/h2\u003e\n\u003cp\u003eThe DSAI146 board relies on a hardened, passive thermal design that allows continuous operation across hot marshalling cubicles without requiring individual spot cooling fans. The factory coating prevents trace tracking faults caused by humid environments and salty coastal air.\u003c\/p\u003e\n\u003ch3\u003eUnified Advant System Synergy\u003c\/h3\u003e\n\u003cp\u003eThe module bridges directly into existing S100 rack arrangements, maintaining complete data bus compatibility with primary Advant controllers. This direct hardware replication allows facilities to swap aging or damaged input boards seamlessly, avoiding the extensive costs, safety risks, and lengthy validation procedures associated with a complete DCS migration.\u003c\/p\u003e\n\u003ch2\u003eOrdering info\u003c\/h2\u003e\n\u003cp\u003eThe factory-certified spare parts fulfillment package contains the following verified components:\u003c\/p\u003e\n\u003cp\u003e(1) Brand New ABB DSAI146 RTD Analog Input Board Module\u003c\/p\u003e\n\u003cp\u003e(2) Pre-Configured Edge Alignment Rails\u003c\/p\u003e\n\u003cp\u003e(3) Original Factory Quality Clearance Documentation\u003c\/p\u003e\n\u003ch2\u003eExpedited Global Freight and Protective Warehousing\u003c\/h2\u003e\n\u003cp\u003eDelivery time: 2-7 days when payment finish. All critical automation spares route through leading international courier services including DHL, FEDEX, and UPS to secure rapid, fully insured distribution worldwide. To protect the delicate CMOS components from damage, every board travels sealed inside specialized multi-layer anti-static industrial packaging complete with dense shock-deflecting open-cell foam padding.\u003c\/p\u003e\n\u003ch2\u003eTemperature Input Module Operations FAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: How does the DSAI146 identify and display a broken field sensor wire or a completely burned-out RTD element?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA1: The module incorporates built-in over-range threshold monitoring logic. If a field wire snaps or the sensor opens, the loop resistance leaps toward infinity; the hardware immediately detects this value spike, marks the specific channel data flag as invalid on the system bus, and turns on the front panel red error LED to guide field service technicians.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: What is the primary operational purpose of the 20 Hz and 60 Hz filter ratings specified on this board?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA2: These frequencies specify the exact notch settings of the onboard hardware filters. Technicians configure these parameters to match the local power grid frequency or nearby heavy machinery rotation signatures, enabling the card to drop out cyclical harmonic noise while reading sensitive low-voltage resistance signals.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: Can an operator mix different sensor elements like Pt100 and Cu50 on the same DSAI146 board?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA3: The fundamental hardware channel matrix is optimized for standard industrial RTD curves. While the card reads basic resistance variations, engineers must configure the individual channel sensor types and scale curves inside the database software to ensure accurate translation of different metals across the shared input board.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":46021164040365,"sku":"3BSE007949R1","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/3BSE007949R1-2.jpg?v=1779259864","url":"https:\/\/www.maxwellplc.com\/products\/abb-dsai146-3bse007949r1-rtd-analog-input-board-module","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}