{"product_id":"1756-l55-allen-bradley-controllogix-5555-programmable-controller","title":"1756-L55 | Allen Bradley | ControlLogix 5555 Programmable Controller","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003cstrong\u003eAllen Bradley 1756-L55\u003c\/strong\u003e is a ControlLogix programmable controller designed for modular automation systems. It provides reliable processing capability with integrated battery backup and efficient thermal management. The controller is engineered for use in open-style enclosures and supports a wide operating temperature range, making it suitable for demanding industrial environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e Allen Bradley\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eProduct Line\u003c\/strong\u003e ControlLogix 1756 Series\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e Programmable Controller\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e \u003cstrong\u003e1756-L55\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e 0.75 lbs (0.34 kg)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eUser Memory\u003c\/strong\u003e None (external memory modules required)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eBackplane Current Load\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e1.23–1.25 A @ 5.1 V DC\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e0.014 A @ 24 V DC\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003ePower Dissipation\u003c\/strong\u003e 5.6–5.7 W\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eThermal Dissipation\u003c\/strong\u003e 19.1–19.4 BTU\/hr\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eIsolation Voltage\u003c\/strong\u003e 30 V continuous\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eBattery\u003c\/strong\u003e Included (1756-BA1)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eEnclosure Type\u003c\/strong\u003e Open-style\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e 0–60 °C (32–140 °F)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e –40–85 °C (–40–185 °F)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eApplication Scenarios\u003c\/h4\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eControlLogix-based automation systems requiring modular controllers\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIndustrial environments with wide temperature ranges\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eApplications needing battery-backed operation for reliability\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFAQ\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eQ: Does the 1756-L55 include onboard memory?\u003c\/strong\u003e  A: No, it requires external memory modules.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eQ: What battery is included with the controller?\u003c\/strong\u003e  A: The 1756-BA1 battery is supplied.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eQ: What is the operating temperature range?\u003c\/strong\u003e  A: 0–60 °C (32–140 °F).\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003eComparable Models\u003c\/h4\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e1756-L55\u003c\/strong\u003e: ControlLogix 5555 controller (this model)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e1756-L61\u003c\/strong\u003e: Enhanced ControlLogix controller with larger memory\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e1756-L71\u003c\/strong\u003e: High-performance ControlLogix controller\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":52702938300600,"sku":"1756-L55","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/85e729a95ec2c968157fbc4a585e1c62.jpg?v=1770630852","url":"https:\/\/www.globalpetroparts.com\/products\/1756-l55-allen-bradley-controllogix-5555-programmable-controller","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}