{"product_id":"allen-bradley-1756-l7spk-controllogix-guardlogix-safety-partner-controller","title":"Allen Bradley 1756-L7SPK ControlLogix GuardLogix Safety Partner Controller","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen Bradley 1756-L7SPK\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as the mandatory Safety Partner for GuardLogix 5570 primary controllers. This module provides the redundant processing power required to achieve up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSIL 3 (IEC 61508)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePLe (ISO 13849-1)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esafety ratings. It operates in tandem with a primary GuardLogix processor (such as the 1756-L71S, L72S, or L73S) to cross-check safety logic execution and ensure a fail-safe state in the event of hardware or software discrepancies. We supply this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoriginal equipment, specifically featuring conformal coating for enhanced protection in harsh industrial environments.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Details\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 \/ Rockwell Automation\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProduct Line\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eGuardLogix 5570\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSafety Partner Controller\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eConformal Coated\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYes (Indicated by \"K\" suffix)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCurrent Draw (1.2V DC)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCurrent Draw (5.1V DC)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e802 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Dissipation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.5 Watts\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eThermal Dissipation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8.5 BTU per hour\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\u003e30V Continuous\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eEnclosure Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNone (Open-Style)\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\u003e0.81 lbs (0.37 kg)\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\u003eRedundant Safety Verification:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 1756-L7SPK executes a mirrored image of the safety task from the primary controller. By comparing logic results in real-time, the partner module detects any processing errors or internal hardware failures, immediately triggering a safe system shutdown to prevent equipment damage or personnel injury.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eConformal Coating for Extreme Environments:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe \"K\" designation signifies that the internal circuitry features a specialized conformal coating. This protective layer shields the electronics against moisture, salt spray, dust, and corrosive chemical vapors, significantly extending the module's lifespan in wastewater, oil and gas, or heavy chemical facilities.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSimplified Safety Architecture:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis module eliminates the need for external safety relays and complex hard-wiring. It integrates directly into the standard ControlLogix chassis, allowing engineers to manage safety and standard control over the same EtherNet\/IP network.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOptimized Power Consumption:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDespite its high-speed processing capabilities, the 1756-L7SPK draws only\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e802 mA at 5.1V DC\u003c\/strong\u003e. This low power signature minimizes the heat load within the electrical cabinet and reduces the overall demand on the 1756-Series power supply.\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\u003eCan the 1756-L7SPK operate as a standalone controller?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The 1756-L7SPK functions exclusively as a safety partner. It does not possess its own user memory for standard programs. You must install it in the same chassis as a primary GuardLogix controller to complete a safety-rated system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does the \"K\" at the end of the part number represent?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \"K\" indicates that the module is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003econformal coated\u003c\/strong\u003e. This makes it the preferred choice for applications where the equipment faces exposure to humidity or contaminants that would otherwise cause corrosion or short circuits in non-coated modules.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs this module compatible with older 1756-L6S GuardLogix systems?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The 1756-L7SPK specifically supports the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eGuardLogix 5570 (L7 series)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econtrollers. For legacy L6 series safety controllers, you would require the 1756-LSP safety partner.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs this product a refurbished or surplus item?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. This is a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e, original factory-sealed unit. It includes all original packaging and technical documentation, ensuring your safety system meets all regulatory audit requirements for \"new\" hardware installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52804151836981,"sku":"1756-L7SPK","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/1756-L7SPK.png?v=1777528996","url":"https:\/\/www.5gplc.com\/products\/allen-bradley-1756-l7spk-controllogix-guardlogix-safety-partner-controller","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}