{"product_id":"1756-n2-allen-bradley-controllogix-empty-slot-cover","title":"1756-N2 Allen-Bradley ControlLogix Empty Slot Cover","description":"\u003cp\u003eConfigured for closing unused module positions in standard ControlLogix chassis, the \u003cstrong\u003eAllen-Bradley 1756-N2\u003c\/strong\u003e (\u003cstrong\u003e1756N2\u003c\/strong\u003e ControlLogix Empty Slot Cover) provides a physical filler for unoccupied chassis slots. Rockwell Automation identifies it as a slot filler for standard ControlLogix chassis.\u003c\/p\u003e\n\u003ch3\u003eModel Identification\u003c\/h3\u003e\n\u003cp\u003eThe catalog number is \u003cstrong\u003e1756-N2\u003c\/strong\u003e. The supplied references \u003cstrong\u003e1756N2\u003c\/strong\u003e, \u003cstrong\u003e1756-N2\/A\u003c\/strong\u003e, and \u003cstrong\u003e1756-N2\/B\u003c\/strong\u003e are retained as ordering references; no functional suffix relationship is inferred from the supplied data.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure\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-N2\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\u003eControlLogix Empty Slot Cover\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eControlLogix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eEmpty slot filling for standard ControlLogix chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUnited States, as supplied\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.1 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e15 x 5.7 x 3.6 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eUse the temperature rating of the installed standard ControlLogix chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eNo electrical power consumption specified for this passive slot filler\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChassis Type\u003c\/td\u003e\n\u003ctd\u003eStandard ControlLogix chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eControlLogix chassis slot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Function\u003c\/td\u003e\n\u003ctd\u003eNo active backplane communication function\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCatalog Number\u003c\/td\u003e\n\u003ctd\u003e1756-N2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlternate References\u003c\/td\u003e\n\u003ctd\u003e1756N2, 1756-N2\/A, 1756-N2\/B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cp\u003eRockwell Automation specifies the 1756-N2 for empty slots in standard ControlLogix chassis. The 1756-N2XT is the corresponding filler for ControlLogix-XT and ControlLogix-ZXT chassis.\u003c\/p\u003e\n\u003ch3\u003eControlLogix Chassis Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe 1756-N2 is intended for standard ControlLogix chassis. Compatible standard chassis families include the 1756-A4, 1756-A7, 1756-A10, 1756-A13, and 1756-A17 families.\u003c\/p\u003e\n\u003cp\u003eThe chassis backplane provides the communication path between installed modules and distributes power to those modules. The 1756-N2 itself is a slot filler and does not constitute an active I\/O, controller, or communication module.\u003c\/p\u003e\n\u003ch3\u003eIndustrial Control Platform Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe 1756-N2 is a passive mechanical component within the ControlLogix modular chassis architecture. It does not establish EtherNet\/IP communication, execute controller firmware, process I\/O signals, or consume a configured module power budget as an active electronic module.\u003c\/p\u003e\n\u003cp\u003eBecause it has no firmware or communication interface, firmware flash compatibility and network configuration do not apply to the 1756-N2. The relevant compatibility requirement is the physical chassis family and slot configuration.\u003c\/p\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Allen-Bradley 1756-N2 ControlLogix Empty Slot Cover\u003c\/li\u003e\n\u003cli\u003eCatalog reference: 1756-N2\u003c\/li\u003e\n\u003cli\u003eAlternate references supplied: 1756N2, 1756-N2\/A, 1756-N2\/B\u003c\/li\u003e\n\u003cli\u003eNo controller, I\/O module, terminal block, communication adapter, or additional electronic assembly is included unless separately specified.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003ch4\u003eChassis Selection\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the 1756-N2 only in a compatible standard ControlLogix chassis.\u003c\/li\u003e\n\u003cli\u003eDo not substitute the 1756-N2 for the 1756-N2XT where an XT or ZXT chassis configuration requires the corresponding filler.\u003c\/li\u003e\n\u003cli\u003eVerify the chassis catalog number before installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eMechanical Installation\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eAlign the filler with the vacant chassis slot.\u003c\/li\u003e\n\u003cli\u003eSecure the component using the chassis mounting mechanism intended for the slot.\u003c\/li\u003e\n\u003cli\u003eConfirm that the filler is seated correctly and does not obstruct adjacent module installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eElectrical Considerations\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eThe 1756-N2 is not an active I\/O or communication device.\u003c\/li\u003e\n\u003cli\u003eNo field signal wiring is connected directly to the filler.\u003c\/li\u003e\n\u003cli\u003eNo firmware download or controller configuration is required for the passive filler itself.\u003c\/li\u003e\n\u003cli\u003eMaintain normal cabinet grounding, shielding, and wiring practices for the surrounding ControlLogix installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThermal and Service Considerations\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eUse the environmental limits specified for the applicable standard ControlLogix chassis.\u003c\/li\u003e\n\u003cli\u003eDo not use the 1756-N2 as a substitute for an active module.\u003c\/li\u003e\n\u003cli\u003eBefore service work, follow the installed chassis and system documentation for power isolation and module removal procedures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the 1756-N2 require a power connection?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. It is a passive slot filler and has no specified power input or active electronic circuitry.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the 1756-N2 communicate over the ControlLogix backplane?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The part does not provide controller, I\/O, or communication functions. It physically occupies an unused chassis position.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan the 1756-N2 be used in a ControlLogix-XT chassis?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRockwell Automation specifies the 1756-N2 for standard chassis. XT and ZXT chassis use the 1756-N2XT slot filler.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the 1756-N2 have firmware?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo firmware function is applicable to this passive slot filler. Firmware installation and flash compatibility therefore do not apply.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the 1756-N2 process field signals?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. It has no field terminals, signal channels, analog circuitry, digital I\/O circuitry, or communication interface.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the filler affect chassis backplane communication?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt does not participate in backplane communication. Active modules continue to use the chassis backplane for inter-module communication and power distribution.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs the 1756-N2 an I\/O module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Rockwell Automation classifies it as a slot filler module for empty positions in standard ControlLogix chassis.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan an empty ControlLogix slot remain unused instead?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRockwell Automation documentation specifies the 1756-N2 as the slot-filler component for empty positions in standard ControlLogix chassis.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066420416685,"sku":"1756-N2","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/allen-bradley_1756-n2.jpg?v=1787189527","url":"https:\/\/www.maxwellplc.com\/ga\/products\/1756-n2-allen-bradley-controllogix-empty-slot-cover","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}