{"product_id":"abb-3bdh000378r0001-tu715f-freelance-s700-i-o-terminal-unit","title":"ABB 3BDH000378R0001 TU715F Freelance S700 I\/O Terminal Unit","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong style=\"color: #0066cc;\"\u003eABB 3BDH000378R0001 (Model: TU715F)\u003c\/strong\u003e is a rugged, passive **I\/O Terminal Unit Base** developed for the \u003cstrong style=\"color: #0066cc;\"\u003eS700 Remote I\/O System\u003c\/strong\u003e within the ABB Freelance Distributed Control System (DCS) framework. It serves as the physical mounting foundation and field wiring interface for S700 electronic input\/output modules. Featuring high-durability \u003cstrong style=\"color: #0066cc;\"\u003escrew-type terminals\u003c\/strong\u003e, the TU715F handles a high common-mode voltage rating of \u003cstrong style=\"color: #0066cc;\"\u003e24 VDC\u003c\/strong\u003e and an impressive cumulative current load capacity of up to \u003cstrong style=\"color: #0066cc;\"\u003e10 A\u003c\/strong\u003e. Housed in a compact, \u003cstrong style=\"color: #0066cc;\"\u003eIP20-rated\u003c\/strong\u003e enclosure weighing only \u003cstrong style=\"color: #0066cc;\"\u003e0.19 kg (0.42 lbs)\u003c\/strong\u003e, this terminal unit simplifies panel building by separating permanent field wiring from active system electronics.\u003c\/p\u003e\n\n\u003ch2\u003eCore Technical Advantages\u003c\/h2\u003e\n\u003ch3\u003eSeparation of Field Wiring and Active Electronics\u003c\/h3\u003e\n\u003cp\u003eThe passive terminal unit architecture of the TU715F allows plant assembly teams to completely wire, terminate, and test field instrumentation signals before the active S700 electronic I\/O processor modules are clicked into place. This operational flow accelerates commissioning and shields sensitive digital components from commissioning-phase wiring faults.\u003c\/p\u003e\n\n\u003ch3\u003eHigh-Capacity 10 Amp Current Bus\u003c\/h3\u003e\n\u003cp\u003eEngineered to handle dense field arrays, the integrated bus rails inside the TU715F support a robust total current throughput of 10 A. This allows efficient power distribution across multiple connected loops, sensors, or actuator circuits directly through the terminal terminal blocks without requiring secondary distribution blocks.\u003c\/p\u003e\n\n\u003ch3\u003eIndustrial-Grade Screw Terminal Arrays\u003c\/h3\u003e\n\u003cp\u003eThe unit features heavy-duty, industrial-grade screw terminals supporting a broad wire size configuration of 0.08 to 2.5 mm² (solid or stranded). The 1\/2 wire terminal configuration provides secure clamping force, preventing localized terminal resistance and loose wire connections caused by continuous ambient machine vibration.\u003c\/p\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; border-bottom: 2px solid #ddd;\"\u003e\n      \u003cth style=\"padding: 10px; text-align: left; border: 1px solid #ddd;\"\u003eParameter Category\u003c\/th\u003e\n      \u003cth style=\"padding: 10px; text-align: left; border: 1px solid #ddd;\"\u003eSpecification Details\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eBrand \/ Manufacturer\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eABB Automation\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eCatalog Part Number\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3BDH000378R0001\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eModel Identification\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eTU715F (Freelance System Base)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eComponent Profile\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003ePassive S700 I\/O Field Termination Base Unit\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eContinuous Current Load\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e10 Amperes Max (Total Cumulative Bus Path)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eCommon Mode Voltage\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e24 VDC Nominal Working Envelope\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eAcceptable Cross-Sections\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.08 mm² to 2.5 mm² (Solid\/Stranded Conductors Supported)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eChannel Terminal Capacity\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eSupports up to 12 I\/O field connections per mounted unit\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003ePhysical Footprint Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e68 mm W x 30 mm D x 135 mm H\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eHazardous Certifications\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003ecULus Class 1 Division 2 (Groups A, B, C, D), CE, UL, RoHS\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eInstallation and Maintenance\u003c\/h2\u003e\n\u003ch3\u003eDIN Rail Mounting and Base Interlocking\u003c\/h3\u003e\n\u003cp\u003eThe TU715F is designed for standard 35mm DIN rail mounting inside industrial control enclosures. Snap the unit vertically onto the DIN rail track. When expanding the local remote cluster, slide adjacent terminal units flush against each other to lock the integrated side connectors, creating a reliable lateral communication and power bus backbone.\u003c\/p\u003e\n\n\u003ch3\u003eField Conductor Termination Procedures\u003c\/h3\u003e\n\u003cp\u003eStrip the jacket of the solid or stranded copper wires back according to standard guidelines. Insert the exposed conductor into the designated screw-clamp terminal slot, ensuring no loose strands remain outside the barrel. Tighten the clamping screw to specification to create a high-integrity, gas-tight electrical contact points.\u003c\/p\u003e\n\n\u003ch3\u003eHot-Swap Electronic Replacement Protocols\u003c\/h3\u003e\n\u003cp\u003eBecause the TU715F base retains all field wiring on its stationary housing, the active electronic S700 I\/O modules can be hot-swapped or replaced without disconnecting a single field wire. Simply release the module's mechanical lock, pull the module forward out of the TU715F base, and insert the replacement card to resume processing operations.\u003c\/p\u003e\n\n\u003ch2\u003eEngineering Advantages\u003c\/h2\u003e\n\u003ch3\u003eStreamlined Long-Term Facility Maintenance\u003c\/h3\u003e\n\u003cp\u003eBy keeping field wiring secured to the stationary TU715F terminal unit, plants reduce human error during equipment updates. Maintenance technicians can replace active electronic modules within seconds without risking incorrect field wiring re-connections or loose terminals.\u003c\/p\u003e\n\n\u003ch3\u003eClass 1 Div 2 Hazardous Environment Certification\u003c\/h3\u003e\n\u003cp\u003eWith official cULus Class 1 Division 2 certification, this terminal unit base is built for safe operation in harsh or volatile environments where explosive vapors may occasionally occur, making it ideal for petrochemical skids, water treatment operations, and oil and gas processing hubs.\u003c\/p\u003e\n\n\u003ch3\u003eCompact High-Density Control Panels\u003c\/h3\u003e\n\u003cp\u003eThe compact 68mm width provides high channel concentration within a small footprint, allowing system engineers to design smaller distributed marshaling boxes and reduce overall hardware footprints and control room infrastructure costs.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical FAQs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: Does the TU715F include any active microprocessor chips or built-in configuration firmware?\u003c\/strong\u003e\u003cbr\u003e\nA1: No. The TU715F is a completely passive hardware base unit that contains structural copper routing paths, internal backplane jumpers, and mechanical screw terminals. All intelligence, software configurations, and signal processing reside within the electronic S700 I\/O modules that plug into it.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ2: Can I mix solid and stranded conductor profiles on the same TU715F terminal block?\u003c\/strong\u003e\u003cbr\u003e\nA2: Yes. The high-performance screw-type terminals accommodate both solid and stranded copper wire profiles ranging from 0.08 to 2.5 mm². However, it is a recommended engineering practice to install crimp ferrules on stranded wires to prevent fraying and ensure clean connections.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ3: What is the benefit of the 10A current rating on a passive base unit?\u003c\/strong\u003e\u003cbr\u003e\nA3: The 10A current load capacity ensures the internal bus lines can handle the combined power draw of up to 12 active I\/O field devices or loop-powered transmitters simultaneously. This robust rating prevents overheating and trace failure under continuous full-load operating conditions.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":51050876502148,"sku":"3BDH000378R0001","price":195.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/7454\/7844\/files\/3BDH000378R0001.jpg?v=1783248742","url":"https:\/\/www.etowonauto.com\/az\/products\/abb-3bdh000378r0001-tu715f-freelance-s700-i-o-terminal-unit","provider":"Etowon Auto","version":"1.0","type":"link"}