{"product_id":"allen-bradley-1794-tb62ds-i-o-terminal-base-unit","title":"Allen-Bradley 1794-TB62DS I\/O Terminal Base Unit","description":"\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1794-TB62DS\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1794-TB62DS\u003c\/strong\u003e Terminal Base Unit, operates as a dedicated hardware component for field signal termination and module backplane interfacing within Allen-Bradley Flex I\/O systems. The unit provides a 62-pin D-shell interface to connect high-density field wiring harnesses to inserted Flex I\/O functional modules.\u003c\/p\u003e\n\u003ch3\u003eHardware 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\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1794-TB62DS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.37 lbs (0.17 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard Flex I\/O Base Dimensions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive Terminal Base Component\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface Connector\u003c\/td\u003e\n\u003ctd\u003e62-pin D-shell female connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Rating\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003eTS35 DIN rail or panel mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Category\u003c\/td\u003e\n\u003ctd\u003eTerminal Base Unit \/ Panel Accessory\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication Velocity \u0026amp; EtherNet\/IP Networks\u003c\/h3\u003e\n\u003cp\u003eThe 1794-TB62DS terminal base establishes the physical path for the internal Flexbus backplane, facilitating deterministic communication between attached I\/O modules and EtherNet\/IP adapter interfaces. Integrating a 62-pin D-shell termination layout enables rapid disconnect and high-density signal consolidation, reducing wiring latencies and panel footprint in multi-channel control racks. Electrical isolation barriers built into the base chassis safeguard signal pathways against inter-channel crosstalk and high-frequency backplane electrical interference.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What physical field wiring connection style is used on the 1794-TB62DS base unit?\u003c\/p\u003e\n\u003cp\u003eA: The module features an integrated high-density 62-pin D-shell female connector for direct connection to pre-wired harness assemblies.\u003c\/p\u003e\n\u003cp\u003eQ: What ingress protection rating applies to the 1794-TB62DS chassis?\u003c\/p\u003e\n\u003cp\u003eA: The terminal base unit carries an IP20 environmental enclosure rating, requiring installation within a protective enclosure.\u003c\/p\u003e\n\u003cp\u003eQ: How is the 1794-TB62DS terminal base mechanically mounted in a control cabinet?\u003c\/p\u003e\n\u003cp\u003eA: The unit snaps directly onto standard TS35 DIN rails or can be fastened directly to an enclosure backpanel using mounting screw holes.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eSnap the 1794-TB62DS terminal base unit onto a grounded TS35 DIN rail, or secure it to the panel using appropriate mounting screws.\u003c\/li\u003e\n\u003cli\u003eSlide adjacent terminal base units together on the rail to interlock the Flexbus backplane connectors before inserting functional I\/O cards.\u003c\/li\u003e\n\u003cli\u003eAttach the pre-wired 62-pin D-shell cable assembly to the terminal base connector, tightening retaining screws to secure the interface.\u003c\/li\u003e\n\u003cli\u003eGround the DIN rail or mounting plate continuously to provide a low-impedance path for noise suppression and electrostatic discharge.\u003c\/li\u003e\n\u003cli\u003eSet the module mechanical keyswitch on the terminal base to the required position for the intended I\/O module prior to module insertion.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52786882674968,"sku":"1794-TB62DS","price":270.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/3483\/3688\/files\/1794-TB62DS_Cocoai.jpg?v=1790650378","url":"https:\/\/www.innoplcsync.com\/products\/allen-bradley-1794-tb62ds-i-o-terminal-base-unit","provider":"InnoPLC Sync Co., Ltd.","version":"1.0","type":"link"}