{"product_id":"allen-bradley-1794-tb62ds-terminal-base-unit","title":"Allen-Bradley 1794-TB62DS Flex I\/O Terminal Base Unit","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe Allen-Bradley 1794-TB62DS is an ultra-high-density, 62-pin D-Shell terminal base unit designed for the Flex I\/O 1794 modular platform. Unlike standard terminal bases that rely on individual screw or spring-clamp terminals, this unit features a high-density DB-62 D-Sub female connector interface. It serves as the mechanical and electrical foundation for multi-point discrete and analog Flex I\/O modules, facilitating rapid deployment and simplified maintenance.\u003c\/p\u003e\n\u003cp\u003eBy consolidating field wiring into a single pre-fabricated cable harness, the 1794-TB62DS significantly reduces cabinet assembly time and minimizes wiring errors. It is an ideal solution for high-density I\/O applications where space is constrained and rapid module replacement is required.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Density Interface:\u003c\/strong\u003e Equipped with a 62-pin D-Shell (DB-62) female connector for streamlined multi-core cable connectivity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Power Zones:\u003c\/strong\u003e Supports independent V1 and V2 power routing, allowing for flexible voltage source management within a single base.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexBus Integration:\u003c\/strong\u003e Features an integrated backplane rail to pass system data and logic power horizontally across the rack.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Interlock:\u003c\/strong\u003e Includes a rotatable keyswitch guide to ensure correct module alignment and prevent improper installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust Construction:\u003c\/strong\u003e Rated for a 10 A aggregate current capacity with a 5 A per-pin threshold.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eThe 1794-TB62DS is widely utilized in industrial automation environments requiring high-density signal termination, such as:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRemote I\/O marshalling panels.\u003c\/li\u003e\n\u003cli\u003eAutomated assembly lines and material handling systems.\u003c\/li\u003e\n\u003cli\u003eComplex process control skids requiring rapid I\/O reconfiguration.\u003c\/li\u003e\n\u003cli\u003eControl cabinets with limited space for traditional terminal blocks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1794-TB62DS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Type\u003c\/td\u003e\n\u003ctd\u003e62-Pin D-Sub Female\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Current (Aggregate)\u003c\/td\u003e\n\u003ctd\u003e10 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Current (Per Pin)\u003c\/td\u003e\n\u003ctd\u003e5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Voltage\u003c\/td\u003e\n\u003ctd\u003e24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e35 mm DIN-Rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 55 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.17 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Snap the base unit directly onto a standard 35 x 7.5 mm Top-Hat DIN-rail. Ensure the unit is securely seated.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eESD Precautions:\u003c\/strong\u003e Always handle the module using proper electrostatic discharge (ESD) prevention techniques to protect internal circuitry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e Ensure all system power is disconnected before installing or removing modules from the base.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e When connecting the D-Shell cable, ensure the connector is fully seated and the mounting screws are tightened to a torque of 0.6 Nm (5 lb-in) to maintain a gas-tight connection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeyswitch:\u003c\/strong\u003e Verify the mechanical keyswitch is set to the position corresponding to the intended I\/O module before mating.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":50910162223356,"sku":"1794-TB62DS","price":91.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_74c82b25-d8a7-4154-850d-e1449ba4359b.jpg?v=1785644796","url":"https:\/\/www.electronicplc.com\/ar\/products\/allen-bradley-1794-tb62ds-terminal-base-unit","provider":"Electronic PLC","version":"1.0","type":"link"}