{"product_id":"allen-bradley-1794-tb37ds-terminal-base-module","title":"Allen-Bradley 1794-TB37DS Flex I\/O Terminal Base Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe 1794-TB37DS is a high-density 37-pin D-Shell terminal base unit designed for the Allen-Bradley Flex I\/O 1794 modular platform. This unit serves as the mechanical and electrical interface for Flex I\/O modules, replacing traditional screw or spring-clamp terminals with a standardized DB-37 female connector. This design facilitates the use of pre-fabricated cable harnesses, significantly reducing wiring labor and minimizing potential human error during commissioning and maintenance.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Density Interface:\u003c\/strong\u003e Features a 37-pin D-Sub female connector for rapid, reliable field wiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlex I\/O Compatibility:\u003c\/strong\u003e Supports both discrete digital and analog Flex I\/O modules within the 1794 platform.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimplified Maintenance:\u003c\/strong\u003e Enables efficient hot-swapping of modules, reducing downtime in critical automation environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust Power Handling:\u003c\/strong\u003e Supports a maximum aggregate current capacity of 10 A for field power distribution.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Interlock:\u003c\/strong\u003e Includes a rotatable keyswitch guide to ensure correct module-to-base alignment and prevent improper installation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThe 1794-TB37DS is ideal for control cabinet applications where space is at a premium and high-density I\/O connectivity is required. It is commonly used in remote marshalling panels, custom breakout board assemblies, and test sets where rapid, error-free signal routing is necessary.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1794-TB37DS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley \/ Rockwell Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003e37-Pin D-Shell (DB-37) Female\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Current\u003c\/td\u003e\n\u003ctd\u003e10 A Aggregate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 55 degC (32 to 131 degF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVibration Resistance\u003c\/td\u003e\n\u003ctd\u003e5 g at 10 to 500 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e5 to 95 percent (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eDIN-rail or Panel Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Ensure the base is securely snapped onto a standard Top-Hat DIN-rail or bolted to a flat enclosure sub-panel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e Use a compatible DB-37 cable harness. Ensure the connector is fully seated and secured with mounting screws to a torque of 0.6 Nm (5.3 lb-in) for a gas-tight connection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety:\u003c\/strong\u003e Always verify the mechanical keyswitch position matches the intended I\/O module before attempting to seat the module into the base.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandling:\u003c\/strong\u003e This is an open-style component; ensure it is installed within a suitable industrial enclosure to protect against environmental contaminants.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e Ensure all field power is disconnected before installing or removing any Flex I\/O modules from the terminal base.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: Can I use this base with any Flex I\/O module?\u003c\/strong\u003e\u003cbr\u003eA: The 1794-TB37DS is compatible with most 1794 Flex I\/O modules, but you must ensure the mechanical keyswitch is set correctly to match the specific module type to prevent damage.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the maximum current capacity?\u003c\/strong\u003e\u003cbr\u003eA: The terminal base is rated for a maximum aggregate current of 10 A.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":50980952277244,"sku":"1794-TB37DS","price":87.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_c586c872-76e3-4639-baae-6847e298fc25.jpg?v=1786734210","url":"https:\/\/www.electronicplc.com\/products\/allen-bradley-1794-tb37ds-terminal-base-module","provider":"Electronic PLC","version":"1.0","type":"link"}