{"product_id":"allen-bradley-1756-l72k-logix5572-harms-protected-controller","title":"Allen-Bradley 1756-L72K Logix5572 Harms-Protected Controller","description":"\u003ch2 style=\"color: #003366; font-weight: bold; margin-bottom: 12px;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp style=\"font-size: 14px; line-height: 1.5; color: #333333;\"\u003eThe \u003cstrong style=\"color: #003366;\"\u003eAllen-Bradley 1756-L72K\u003c\/strong\u003e is a ruggedized ControlLogix Logix5572 Programmable Automation Controller (PAC) engineered by Rockwell Automation for premium performance in highly demanding settings. Equipped with 4 MB of user memory, this high-speed processor handles complex instruction execution and intensive communication routines with an ultra-fast logic processing capability of 0.08 ms per K instruction. What differentiates the 1756-L72K is its specialized \u003cstrong\u003econformal coating\u003c\/strong\u003e, which forms a dense protective barrier over the electronic internal circuits. Weighing approximately \u003cstrong\u003e0.55 lbs (0.25 kg)\u003c\/strong\u003e, this compact, lightweight, yet highly durable processor integrates seamlessly into the backplane of any standard ControlLogix chassis while safeguarding against harsh atmospheric elements.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #003366; font-weight: bold; margin-top: 20px; margin-bottom: 12px;\"\u003eKey Advantages\u003c\/h2\u003e\n\u003cul style=\"font-size: 14px; line-height: 1.5; color: #333333; padding-left: 20px; margin-bottom: 15px;\"\u003e\n    \u003cli style=\"margin-bottom: 6px;\"\u003e\n\u003cstrong\u003eEnvironmental Stress Protection:\u003c\/strong\u003e The precision-applied conformal coating makes it the perfect fit for heavy-industrial plants where atmospheric dust, moisture, and mild corrosive agents are frequently present.\u003c\/li\u003e\n    \u003cli style=\"margin-bottom: 6px;\"\u003e\n\u003cstrong\u003eHigh-Density Control Capabilities:\u003c\/strong\u003e The large 4 MB onboard user memory provides adequate memory capacity to house extensive automation programs and manage hundreds of localized or distributed I\/O nodes without splitting logic across multiple processors.\u003c\/li\u003e\n    \u003cli style=\"margin-bottom: 6px;\"\u003e\n\u003cstrong\u003eCompact \u0026amp; Lightweight Architecture:\u003c\/strong\u003e With a net weight of just \u003cstrong\u003e0.55 lbs (0.25 kg)\u003c\/strong\u003e, this unit optimizes slot density and panel configuration without creating unwanted mechanical strain on the chassis framework.\u003c\/li\u003e\n    \u003cli style=\"margin-bottom: 6px;\"\u003e\n\u003cstrong\u003eExtreme Shock and Vibration Resistance:\u003c\/strong\u003e Hardened against severe mechanical stress, the module is operational up to 5g of continuous vibration (10 to 500 Hz) and safely absorbs non-operational physical shocks up to 30g peak.\u003c\/li\u003e\n    \u003cli style=\"margin-bottom: 6px;\"\u003e\n\u003cstrong\u003eSeamless Multi-Network Integration:\u003c\/strong\u003e Supports major plant floor protocols, enabling engineers to tie disparate networks together over the backplane and minimize messy point-to-point field wiring loops.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"color: #003366; font-weight: bold; margin-top: 20px; margin-bottom: 12px;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #003366; font-size: 14px; color: #333333;\"\u003e\n    \u003ctbody\u003e\n        \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n            \u003ctd style=\"border: 1px solid #003366; padding: 6px; font-weight: bold; width: 35%;\"\u003eModel Number\u003c\/td\u003e\n            \u003ctd style=\"border: 1px solid #003366; padding: 6px;\"\u003e1756-L72K\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"border: 1px solid #003366; padding: 6px; font-weight: bold; background-color: #f9f9f9;\"\u003eManufacturer\u003c\/td\u003e\n            \u003ctd style=\"border: 1px solid #003366; padding: 6px;\"\u003eAllen-Bradley \/ Rockwell Automation\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n            \u003ctd style=\"border: 1px solid #003366; padding: 6px; font-weight: bold;\"\u003eSeries \/ Family\u003c\/td\u003e\n            \u003ctd style=\"border: 1px solid #003366; padding: 6px;\"\u003eControlLogix Logix5572 Range\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"border: 1px solid #003366; padding: 6px; font-weight: bold; background-color: #f9f9f9;\"\u003eSpecial Protection\u003c\/td\u003e\n            \u003ctd style=\"border: 1px solid #003366; padding: 6px;\"\u003eConformal Coating (Corrosion\/Moisture Resistant)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n            \u003ctd style=\"border: 1px solid #003366; padding: 6px; font-weight: bold;\"\u003eUser Memory Size\u003c\/td\u003e\n            \u003ctd style=\"border: 1px solid #003366; padding: 6px;\"\u003e4 Megabytes (MB)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"border: 1px solid #003366; padding: 6px; font-weight: bold; background-color: #f9f9f9;\"\u003eProcessing Speed\u003c\/td\u003e\n            \u003ctd style=\"border: 1px solid #003366; padding: 6px;\"\u003e0.08 milliseconds per K instruction\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n            \u003ctd style=\"border: 1px solid #003366; padding: 6px; font-weight: bold;\"\u003eBackplane Current Draw\u003c\/td\u003e\n            \u003ctd style=\"border: 1px solid #003366; padding: 6px;\"\u003e1.5 Amperes @ 5 Volts DC\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"border: 1px solid #003366; padding: 6px; font-weight: bold; background-color: #f9f9f9;\"\u003eNet Module Weight\u003c\/td\u003e\n            \u003ctd style=\"border: 1px solid #003366; padding: 6px;\"\u003e\u003cstrong\u003e0.55 lbs (0.25 kg)\u003c\/strong\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n            \u003ctd style=\"border: 1px solid #003366; padding: 6px; font-weight: bold;\"\u003eOperating Temperature\u003c\/td\u003e\n            \u003ctd style=\"border: 1px solid #003366; padding: 6px;\"\u003e0°C to 60°C (32°F to 140°F)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"border: 1px solid #003366; padding: 6px; font-weight: bold; background-color: #f9f9f9;\"\u003eVibration \/ Shock Specs\u003c\/td\u003e\n            \u003ctd style=\"border: 1px solid #003366; padding: 6px;\"\u003e5g @ 10-500Hz \/ 30g peak limits\u003c\/td\u003e\n        \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2 style=\"color: #003366; font-weight: bold; margin-top: 20px; margin-bottom: 12px;\"\u003eIndustrial Applications\u003c\/h2\u003e\n\u003cp style=\"font-size: 14px; line-height: 1.5; color: #333333; margin-bottom: 8px;\"\u003eThanks to its resilient architecture, the 1756-L72K module excels across an array of demanding vertical markets:\u003c\/p\u003e\n\u003cul style=\"font-size: 14px; line-height: 1.5; color: #333333; padding-left: 20px; margin-bottom: 15px;\"\u003e\n    \u003cli style=\"margin-bottom: 6px;\"\u003e\n\u003cstrong\u003eOil, Gas \u0026amp; Chemical Control Systems:\u003c\/strong\u003e Resists the atmospheric compounds and vapors common near refining areas.\u003c\/li\u003e\n    \u003cli style=\"margin-bottom: 6px;\"\u003e\n\u003cstrong\u003eWater and Wastewater Treatment:\u003c\/strong\u003e Sustains long-term operation inside high-humidity pump rooms and chemical dosing areas.\u003c\/li\u003e\n    \u003cli style=\"margin-bottom: 6px;\"\u003e\n\u003cstrong\u003eAutomotive \u0026amp; Assembly Manufacturing:\u003c\/strong\u003e Swiftly manages advanced multi-axis motion control loops on highly vibratory production floors.\u003c\/li\u003e\n    \u003cli style=\"margin-bottom: 6px;\"\u003e\n\u003cstrong\u003eFood \u0026amp; Pharmaceutical Production:\u003c\/strong\u003e Offers stability in sterile zones subjected to aggressive washdown procedures or chemical wipe-downs nearby.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"color: #003366; font-weight: bold; margin-top: 20px; margin-bottom: 12px;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp style=\"font-size: 14px; line-height: 1.5; color: #333333; margin-bottom: 2px;\"\u003e\u003cstrong\u003eQ1: What exactly does the \"K\" suffix indicate on this module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; line-height: 1.5; color: #555555; margin-bottom: 10px;\"\u003eA1: The letter \"K\" in the Allen-Bradley numbering format indicates that the processor comes standard with a factory-applied conformal coating. This makes it identical in performance to the standard 1756-L72 module, but adds specific physical defenses against harsh industrial elements.\u003c\/p\u003e\n\n\u003cp style=\"font-size: 14px; line-height: 1.5; color: #333333; margin-bottom: 2px;\"\u003e\u003cstrong\u003eQ2: Can I install this processor in a chassis next to standard, non-coated modules?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; line-height: 1.5; color: #555555; margin-bottom: 10px;\"\u003eA2: Yes, the 1756-L72K communicates across any standard 1756 ControlLogix backplane slot. Even though it shares the same physical profile and a light \u003cstrong\u003e0.55 lbs\u003c\/strong\u003e footprint as standard units, it is highly recommended to pair it with conformally coated I\/O modules and power supplies to ensure complete atmospheric protection across the entire frame.\u003c\/p\u003e\n\n\u003cp style=\"font-size: 14px; line-height: 1.5; color: #333333; margin-bottom: 2px;\"\u003e\u003cstrong\u003eQ3: How much power does this processor draw from the chassis backplane?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; line-height: 1.5; color: #555555; margin-bottom: 10px;\"\u003eA3: The unit draws a continuous current load of 1.5A at a standard backplane voltage of 5V DC. Make sure that your chosen slot supply (such as a 1756-PA75 or similar supply) has enough overhead to deliver this along with any other modules inside the same chassis.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":51047655374980,"sku":"1756-L72K","price":166.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/7454\/7844\/files\/1756-L72K.jpg?v=1785077111","url":"https:\/\/www.etowonauto.com\/tr\/products\/allen-bradley-1756-l72k-logix5572-harms-protected-controller","provider":"Etowon Auto","version":"1.0","type":"link"}