{"product_id":"allen-bradley-1734-tops-point-i-o-terminal-base","title":"Allen-Bradley 1734-TOPS POINT I\/O Terminal Base","description":"\u003ch1\u003eAllen-Bradley 1734-TOPS POINT I\/O Terminal Base\u003c\/h1\u003e\n\u003cp\u003eConfigured for field wiring termination and backplane interfacing in POINT I\/O systems, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1734-TOPS\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(\u003cstrong\u003e1734-TOPS\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTerminal Base) provides direct electrical execution. The one-piece assembly incorporates integrated spring-clamp terminals for connection of field devices to compatible POINT I\/O modules through the POINTBus architecture.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cp\u003eThe supplied documentation identifies\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1734-TOPS\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eas a fixed catalog number representing the spring-clamp version of the 1734-TOP terminal base. No additional suffix matrix or ordering breakdown is specified in the provided data.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth class=\"last:pe-10\"\u003eParameter\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\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\u003e1734-TOPS\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\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003ePOINT I\/O One-Piece Terminal Base\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Family\u003c\/td\u003e\n\u003ctd\u003ePOINT I\/O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Style\u003c\/td\u003e\n\u003ctd\u003e8 Spring-Clamp Terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003eOne-Piece Design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Style\u003c\/td\u003e\n\u003ctd\u003eDIN Mounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Style\u003c\/td\u003e\n\u003ctd\u003eOpen Style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePOINTBus Current (Max)\u003c\/td\u003e\n\u003ctd\u003e75 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Supply Voltage\u003c\/td\u003e\n\u003ctd\u003e5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField Power Input Range\u003c\/td\u003e\n\u003ctd\u003e10-28.8 VDC, 220 mA, Class 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e50 V, tested at 1500 VAC for 60 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003e1.86 W @ 750 ohm load; 2.15 W @ 0 ohm load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Dissipation\u003c\/td\u003e\n\u003ctd\u003e6.34 BTU\/hr @ 750 ohm load; 7.33 BTU\/hr @ 0 ohm load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWire Size\u003c\/td\u003e\n\u003ctd\u003e0.25-2.5 mm2 (23-13 AWG)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWire Type\u003c\/td\u003e\n\u003ctd\u003eShielded Copper, Solid or Stranded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e56.0 x 12.0 x 75.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e36.9 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Rating\u003c\/td\u003e\n\u003ctd\u003eOpen Style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Code\u003c\/td\u003e\n\u003ctd\u003eT4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eNot specified in provided data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eUp to 2.15 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eRockwell Automation Manufacturing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eI\/O Density Scaling in POINT I\/O Architectures\u003c\/h3\u003e\n\u003cp\u003eThe 1734-TOPS supports modular I\/O density scaling by providing a compact termination platform for field signals and power distribution. The spring-clamp connection method eliminates screw-tightening requirements during conductor installation while maintaining electrical continuity. Within POINT I\/O assemblies, the terminal base serves as the physical interface between field wiring and installed I\/O modules, preserving PointBus backplane connectivity across the node.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 1734-TOPS require tools for conductor retention?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe unit utilizes spring-clamp terminals designed for tool-assisted wire insertion and retention without terminal screw adjustment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the maximum POINTBus current requirement of the terminal base?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe specified POINTBus current requirement is 75 mA.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the 1734-TOPS be used with both analog and digital POINT I\/O modules?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe terminal base is designed for compatibility with supported POINT I\/O modules. Module compatibility should be verified against the applicable POINT I\/O installation documentation.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eMount the terminal base securely onto a grounded DIN rail before installing the associated I\/O module.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUse shielded copper conductors within the specified 0.25-2.5 mm2 wire size range.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRoute signal wiring separately from motor feeders, contactor wiring, and other high-energy conductors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVerify correct conductor insertion and spring-clamp engagement before energizing field circuits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMaintain proper grounding practices for cable shields according to plant electrical standards.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConfirm module-to-terminal-base alignment before applying power to the POINT I\/O assembly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDo not exceed the specified field power input range during commissioning.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInspect terminal connections periodically in installations subject to vibration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43484637659226,"sku":"1734-TOPS","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1734-TOPS2.jpg?v=1781234893","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1734-tops-point-i-o-terminal-base","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}