{"product_id":"1794-tb3gs-flex-i-o-terminal-base-unit-allen-bradley","title":"1794-TB3GS FLEX I\/O Terminal Base Unit | Allen-Bradley","description":"\u003cp\u003eConfigured for signal distribution and modular I\/O connectivity in FLEX I\/O systems, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1794-TB3GS\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(\u003cstrong\u003e1794-TB3GS\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTerminal Base) provides direct physical\/electrical execution of field wiring termination.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1794-TB3GS\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAllen-Bradley\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOrigin\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUSA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.20 kg (0.44 lbs)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot specified (Standard 1794 Module footprint)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Temp\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Consumption\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e10.0 A (Max. Current)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTerminal Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSpring Clamp Terminals\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eI\/O Capacity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e36 Terminals\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInput Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24 V AC\/DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eProfinet \/ EtherNet\/IP Deterministic Networks\u003c\/h3\u003e\n\u003cp\u003eThe 1794-TB3GS acts as a passive interconnection point within the FLEX I\/O architecture. It facilitates the routing of field signals to the installed I\/O modules while maintaining the electrical integrity required for deterministic network communication. The base supports backplane bus communication by providing mechanical alignment and electrical pins for the module-to-module interlink. Proper seating of the module into the base is required to ensure consistent communication velocity and prevent signal attenuation across the backplane bus.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003eQ: What is the primary difference between this and screw-clamp terminal bases?\u003c\/p\u003e\n\u003cp\u003eA: The 1794-TB3GS utilizes spring clamp technology, which provides vibration resistance for field wiring without the need for periodic torque verification.\u003c\/p\u003e\n\u003cp\u003eQ: Does this base support hot-swapping of I\/O modules?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The 1794-TB3GS supports the removal and insertion of compatible 1794 I\/O modules while the system is powered. However, ensure that the module is fully latched to the base to establish reliable electrical contact with the backplane bus.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDIN-Rail Mounting:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe terminal base is designed for standard 35 mm DIN-rail mounting. Ensure the rail is securely grounded to the enclosure backplane to provide a common reference for the system shield.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWiring Termination:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUtilize appropriate wire gauges for the spring clamp terminals to ensure secure mechanical retention. Strip insulation according to the specified depth to prevent exposed conductors while maintaining contact surface area.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCommon Terminals:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUtilize the 2 common and 2 voltage terminals provided on the base to distribute power to field devices. Ensure the total current load across the base does not exceed 10.0 A to prevent thermal degradation of the terminal interconnects.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnvironment:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAs an IP20 rated open-style component, the unit must be installed within a cabinet or enclosure providing adequate protection against conductive dust, moisture, and extreme temperatures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":53511091388600,"sku":"1794-TB3GS","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1794-TB3S_88da0b92-0d1b-4fd3-9273-9eabcb59e926.jpg?v=1779764796","url":"https:\/\/www.globalpetroparts.com\/products\/1794-tb3gs-flex-i-o-terminal-base-unit-allen-bradley","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}