{"product_id":"allen-bradley-1794-tb3g-flex-i-o-grounded-terminal-base-unit","title":"Allen Bradley 1794-TB3G FLEX I\/O Grounded Terminal Base Unit","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen Bradley 1794-TB3G\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a high-performance grounded terminal base unit within the FLEX I\/O product family. It provides the necessary termination points for I\/O wiring and serves as the mounting platform for FLEX I\/O modules. This unit specifically supports high-resolution analog applications, offering a stable environment for 15-bit + sign precision signaling. We offer this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoriginal equipment to ensure maximum signal integrity and backplane reliability for your distributed I\/O architecture.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe 1794-TB3G excels in high-accuracy environments, maintaining tight tolerances even during temperature fluctuations.\u003c\/p\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\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\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\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1794-TB3G\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Resolution\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e15 bit + sign (0.656 µA\/cnt ; 0.320 mV\/cnt)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eData Formats\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2’s complement, binary, offset binary, percent\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Conversion Rate\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.5 \/ 5.0 ms\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIsolation Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e250V (continuous) with 1794-TBN\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDielectric Type Test\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1500V AC for 60s ; 2550V DC for 1s\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCurrent Load (Voltage Out)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3 mA (Maximum)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAccuracy (at 25 °C)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.1% Full Scale for Current and Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\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\u003e\u003cstrong\u003eCalibration\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFactory Calibrated\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePrecision Signal Processing:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe unit manages a 15-bit plus sign resolution, allowing the system to detect minute changes in current (0.656 µA) and voltage (0.320 mV). This sensitivity supports advanced process control where precision determines product quality.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSuperior Isolation Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis terminal base features reinforced isolation, withstanding type tests up to 2550V DC. This protects the sensitive system backplane from field-side electrical surges and eliminates cross-channel interference.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRapid Response Dynamics:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe digital-to-analog converter achieves a step response to 63% of full scale in less than 25 µs. This speed enables real-time adjustments in fast-acting closed-loop control systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Stability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAdvanced circuitry limits accuracy drift to just 0.0012% Full Scale per degree Celsius for voltage inputs. This stability ensures the controller maintains calibrated accuracy even in cabinets subject to significant heat fluctuations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat makes the \"G\" version different from the standard 1794-TB3?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1794-TB3G includes additional grounding terminals specifically designed for modules requiring a functional ground. This reduces electromagnetic noise and improves the performance of sensitive analog input and output modules.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this unit require field calibration?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Allen Bradley factory-calibrates the 1794-TB3G before shipment. You can integrate the unit directly into your system without performing manual adjustments, ensuring the 0.1% full-scale accuracy immediately upon startup.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this terminal base with digital I\/O modules?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile primarily optimized for analog modules due to its resolution and grounding capabilities, the 1794-TB3G remains compatible with a wide range of FLEX I\/O modules. Always verify the specific module's installation manual to confirm pin-out compatibility with the TB3G base.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a Brand New unit or a surplus item?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe guarantee this product is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e. It arrives in the original factory packaging, ensuring the terminal screws, backplane connectors, and mounting clips have never been subjected to mechanical wear or environmental oxidation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":53361252237496,"sku":"1794-TB3G","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1794-TB3G.jpg?v=1776331543","url":"https:\/\/www.globalpetroparts.com\/products\/allen-bradley-1794-tb3g-flex-i-o-grounded-terminal-base-unit","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}