{"product_id":"abb-57520001-ds-dstc404-powered-terminator-for-dstc-452","title":"ABB 57520001-DS DSTC404 Powered Terminator for DSTC 452","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong style=\"color: #0056b3;\"\u003eABB DSTC 404 (Part Number: 57520001-DS)\u003c\/strong\u003e is a specialized powered termination module designed for the ABB Advant Master Process Control and DCS series. Engineered as a dedicated bus terminator, the DSTC 404 is used in conjunction with the \u003cstrong\u003eDSTC 452 modem\u003c\/strong\u003e to bridge communications between the Sub-System Bus (SDB) and the Local Bus (LDB). It provides essential electrical termination on the SDB side—especially in architecture layouts utilizing \"intermediate\" modem connections—to maintain signal integrity, suppress signal reflections, and ensure high-speed control network stability. Weighing an ultra-lightweight 0.02 kg (0.044 lbs), its compact slimline body easily integrates into crowded cabinet spaces.\u003c\/p\u003e\n\n\u003ch2\u003eCore Technical Advantages\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCritical Network Termination:\u003c\/strong\u003e Eliminates bus noise, signal bounce, and cross-talk across SDB-to-LDB modem links, securing predictable automation communication.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Light Compact Profile:\u003c\/strong\u003e With a net weight of just 0.02 kg and slim dimensions (260 mm x 120 mm x 10 mm), it minimizes physical strain on rail mountings and maximizes cabinet space efficiency.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eActive 24V DC Power Support:\u003c\/strong\u003e Powered directly via standard industrial 24V DC supplies (±10%), ensuring steady signal stabilization under active plant operating conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlame-Retardant Construction:\u003c\/strong\u003e Built with a high-grade polycarbonate housing rated for operating environments from -20°C to +60°C.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 15px 0;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color: #f2f2f2;\"\u003e\n      \u003cth style=\"border: 1px solid #dddddd; text-align: left; padding: 8px;\"\u003eParameter\u003c\/th\u003e\n      \u003cth style=\"border: 1px solid #dddddd; text-align: left; padding: 8px;\"\u003eSpecification Details\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px; font-weight: bold;\"\u003eBrand \/ Manufacturer\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eABB Automation\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px; font-weight: bold;\"\u003eABB Type Designation\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eDSTC 404\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px; font-weight: bold;\"\u003eProduct ID \/ Part Number\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003e57520001-DS\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px; font-weight: bold;\"\u003eGross Weight\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003e0.02 kg (0.044 lbs)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px; font-weight: bold;\"\u003eCatalog Description\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eDSTC 404 Terminator, powered\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px; font-weight: bold;\"\u003eSystem Compatibility\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eAdvant Master \/ Advant OCS \/ S400 I\/O \/ DSTC 452 Modems\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px; font-weight: bold;\"\u003eOperating Voltage\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003e24V DC ± 10%\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px; font-weight: bold;\"\u003eOperating Temperature Range\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003e-20°C to +60°C (-4°F to +140°F)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px; font-weight: bold;\"\u003eDimensions (L x W x H)\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003e260 mm x 120 mm x 10 mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px; font-weight: bold;\"\u003eEnclosure Housing Material\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eFlame-retardant polycarbonate\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px; font-weight: bold;\"\u003eCertifications \u0026amp; Compliance\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eCE Certified, RoHS Compliant\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px; font-weight: bold;\"\u003eCustoms Tariff (HS Code)\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003e85389091\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eInstallation \u0026amp; Engineering Guide\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication Layout:\u003c\/strong\u003e One 0.02 kg DSTC 404 powered terminator is required on the Sub-System Bus (SDB) side per active DSTC 452 modem connection. Ensure it is selected whenever the modem functions in an \"intermediate\" configuration along the line.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Supply Wiring:\u003c\/strong\u003e Wire the unit to a regulated 24V DC industrial power rail. Always double-check source polarity prior to powering up to prevent potential protection circuit trips.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCabinet Environmental Management:\u003c\/strong\u003e Mount the lightweight 0.02 kg module flat inside the enclosure, ensuring adequate airflow to keep operating temperatures strictly within the -20°C to +60°C rating.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical FAQs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: Why is a powered terminator required instead of a passive resistor line?\u003c\/strong\u003e\u003cbr\u003e\nA1: The DSTC 404 actively maintains signal voltage levels and impedes reflection across complex Advant Master bus topologies, providing superior noise immunity compared to passive termination in noisy industrial electromagnetic environments.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ2: Which ABB modem requires the DSTC 404 terminator?\u003c\/strong\u003e\u003cbr\u003e\nA2: The DSTC 404 is primarily used alongside the ABB DSTC 452 modem for connecting Sub-System Bus (SDB) and Local Bus (LDB) networks.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ3: How does the ultra-light 0.02 kg design benefit installation in complex control cabinets?\u003c\/strong\u003e\u003cbr\u003e\nA3: At just 0.02 kg with a 10 mm thin profile, it imposes practically zero mechanical load on cabinet mounting structures, making it extremely easy to place in tight cable ducts or high-density rack configurations without thermal or structural concerns.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":51050797924484,"sku":"DSTC404","price":158.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/7454\/7844\/files\/DSTC404-2.jpg?v=1784725564","url":"https:\/\/www.etowonauto.com\/de\/products\/abb-57520001-ds-dstc404-powered-terminator-for-dstc-452","provider":"Etowon Auto","version":"1.0","type":"link"}