{"product_id":"allen-bradley-1756-tbnh-controllogix-removable-terminal-block","title":"Allen-Bradley 1756-TBNH ControlLogix Removable Terminal Block","description":"\u003ch2\u003eAllen-Bradley 1756-TBNH ControlLogix Removable Terminal Block\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1756-TBNH\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1756-TBNH\u003c\/strong\u003e Removable Terminal Block, operates as a dedicated hardware component for field signal termination within ControlLogix I\/O module platforms. The RTB provides a 20-position screw-clamp interface for connecting solid or stranded copper conductors to compatible 1756 I\/O modules.\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\u003e1756-TBNH\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\u003e0.25 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eWiring temperature rating 90 deg C or higher\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive terminal component, no external power consumption\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eRemovable Terminal Block (RTB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Line\u003c\/td\u003e\n\u003ctd\u003eControlLogix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Modules\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley 1756 I\/O Modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Positions\u003c\/td\u003e\n\u003ctd\u003e20 positions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Method\u003c\/td\u003e\n\u003ctd\u003eScrew clamp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Wire Type\u003c\/td\u003e\n\u003ctd\u003eSolid and stranded copper wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWire Size\u003c\/td\u003e\n\u003ctd\u003e22 to 14 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Conductors per Terminal\u003c\/td\u003e\n\u003ctd\u003e2 conductors per terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScrew Torque\u003c\/td\u003e\n\u003ctd\u003e1.36 N m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScrewdriver Width\u003c\/td\u003e\n\u003ctd\u003e8 mm maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpare Part \/ Accessory\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eControlLogix I\/O Interface Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe 1756-TBNH provides a removable field wiring interface for ControlLogix I\/O modules. The screw-clamp terminal structure allows field conductors to be installed or removed while maintaining a modular connection between the wiring assembly and the I\/O module.\u003c\/p\u003e\n\u003cp\u003eThe terminal block supports I\/O density scaling within ControlLogix chassis systems by providing multiple termination points in a single interface assembly. The component is configured for industrial control cabinet wiring where conductor identification, termination access, and module service procedures are required.\u003c\/p\u003e\n\u003ch3\u003eFirmware and ControlLogix Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe 1756-TBNH functions as a passive hardware interface and does not contain firmware or communication circuitry. Compatibility is determined by the connected 1756 I\/O module mechanical and electrical interface requirements.\u003c\/p\u003e\n\u003cp\u003eThe terminal block operates within ControlLogix I\/O architectures where EtherNet\/IP deterministic networks and controller firmware configurations manage higher-level system communication.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003eQ: How many wiring positions are available on the 1756-TBNH?\u003cbr\u003eA: The 1756-TBNH provides 20 terminal positions for field wiring connections.\u003c\/p\u003e\n\u003cp\u003eQ: What conductor types are supported by this terminal block?\u003cbr\u003eA: The terminal block supports both solid and stranded copper conductors within the specified 22 to 14 AWG wire range.\u003c\/p\u003e\n\u003cp\u003eQ: Does the 1756-TBNH require firmware configuration?\u003cbr\u003eA: No. The 1756-TBNH is a passive removable terminal block and does not contain electronic processing or firmware.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the 1756-TBNH on compatible ControlLogix 1756 I\/O modules by aligning the terminal block with the module interface and securing the connection according to the module installation procedure.\u003c\/p\u003e\n\u003cp\u003ePrepare conductors according to the specified wire size range and tighten terminal screws using the required torque value. Avoid over-tightening, which may damage terminal hardware or conductors.\u003c\/p\u003e\n\u003cp\u003eRoute field wiring separately from high-current power cables and switching circuits where required. Apply appropriate shielding and grounding methods for analog or noise-sensitive signals connected through the associated I\/O module.\u003c\/p\u003e\n\u003cp\u003eVerify terminal assignments, conductor identification, and I\/O module configuration before placing the ControlLogix system into operation.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43649322975322,"sku":"1756-TBNH","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1756-TBNH2.jpg?v=1783913836","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1756-tbnh-controllogix-removable-terminal-block","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}