{"product_id":"allen-bradley-1794-tb3t-flex-i-o-terminal-base-unit","title":"Allen Bradley 1794-TB3T Flex I\/O Terminal Base Unit","description":"\u003ch2\u003eAllen Bradley 1794-TB3T Flex I\/O Terminal Base Unit\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen Bradley 1794-TB3T\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1794-TB3T\u003c\/strong\u003e Flex I\/O Terminal Base Unit, operates as a dedicated hardware component for field wiring termination and I\/O signal connection within the Flex I\/O 1794 system network.\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\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\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-TB3T\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\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.51 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to 70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eFlexBus supply: 5 VDC \/ 640 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eFlex I\/O Terminal Base Unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Line\u003c\/td\u003e\n\u003ctd\u003eFlex I\/O 1794\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI\/O Capacity\u003c\/td\u003e\n\u003ctd\u003e16 I\/O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGround Terminals\u003c\/td\u003e\n\u003ctd\u003e8 chassis ground terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Rating\u003c\/td\u003e\n\u003ctd\u003eUp to 125 VAC\/VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Rating\u003c\/td\u003e\n\u003ctd\u003e10 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Range\u003c\/td\u003e\n\u003ctd\u003e50 to 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiring Type\u003c\/td\u003e\n\u003ctd\u003eCage clamp terminal connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Function\u003c\/td\u003e\n\u003ctd\u003e3-wire temperature module terminal base\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eEtherNet\/IP and Flex I\/O Bus Interface Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e1794-TB3T\u003c\/strong\u003e functions as a terminal base interface within the Allen Bradley Flex I\/O architecture. The unit provides electrical termination between field devices and Flex I\/O modules while maintaining FlexBus communication and power distribution requirements. The terminal base supports 3-wire temperature module connections and provides chassis grounding through dedicated terminals.\u003c\/p\u003e\n\u003cp\u003eThe FlexBus interface operates with a 5 VDC supply and 640 mA current capacity for connected I\/O module communication. Proper installation requires correct terminal assignment, field wiring separation, and grounding continuity to maintain signal integrity across the I\/O assembly.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003eQ: Can the 1794-TB3T terminal base be hot-swapped during operation?\u003cbr\u003eA: The terminal base is a passive connection component within the Flex I\/O assembly. Hot-swapping procedures must follow the applicable Flex I\/O system installation requirements and module replacement guidelines.\u003c\/p\u003e\n\u003cp\u003eQ: What type of field wiring connection does the 1794-TB3T provide?\u003cbr\u003eA: The unit uses cage clamp terminals for field wiring termination and includes dedicated chassis ground terminals for grounding connections.\u003c\/p\u003e\n\u003cp\u003eQ: Is the 1794-TB3T compatible with temperature input modules?\u003cbr\u003eA: The terminal base is designed for 3-wire temperature module applications within the Flex I\/O 1794 product family.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the terminal base on the Flex I\/O assembly according to the system mechanical installation procedure.\u003c\/li\u003e\n\u003cli\u003eVerify terminal assignments before connecting field conductors.\u003c\/li\u003e\n\u003cli\u003eMaintain separation between signal wiring and high-voltage power conductors to reduce electrical interference.\u003c\/li\u003e\n\u003cli\u003eConnect chassis grounding terminals using appropriate industrial grounding practices.\u003c\/li\u003e\n\u003cli\u003eConfirm cage clamp terminal engagement and conductor retention before energizing the I\/O system.\u003c\/li\u003e\n\u003cli\u003eVerify FlexBus alignment between adjacent Flex I\/O components before module installation.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43784062206042,"sku":"1794-TB3T","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1794-TB3T2.jpg?v=1785837400","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1794-tb3t-flex-i-o-terminal-base-unit","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}