{"product_id":"allen-bradley-1756-l1-logix5550-processor-quick-delivery","title":"1756-L1 | Allen-Bradley ControlLogix PAC Processor With RS232 Communication and 64 KB User Memory","description":"\u003ch4\u003eDescription\u003c\/h4\u003e\n\u003cp\u003eThe Allen-Bradley 1756-L1 is a ControlLogix processor module designed for medium-scale automation control using the Logix 5550 architecture. This controller features a built-in RS232 interface and 64 KB user memory, supporting discrete and analog I\/O for varied process requirements. The 1756-L1 provides dependable execution for standalone or multi-controller ControlLogix systems where reliable communication and processing speed are essential.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eProcessor Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1756-L1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eControlLogix Controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eControlLogix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRockwell Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eControlLogix Processor Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUser Memory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e64 KB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication Port\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 × RS232\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIsolation Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30 V continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Memory Modules\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1756-M1, 1756-M2, 1756-M3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBackplane Current (5V)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBackplane Current (24V)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Dissipation (Max)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.1 W at 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0–60°C (32–140°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e–40 to 85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShock Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30 G operating, 50 G non-operating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVibration Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10–500 Hz at 2.0 G\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Backup\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1756-BA1 \/ 1756-BA2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProgramming Cable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1756-CP3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSlot Width\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 slot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOpen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eI\/O Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eControlLogix, Flex I\/O, POINT I\/O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupported Languages\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLadder, FBD, SFC, STL (IEC-61131)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About 1756-L1\u003c\/h4\u003e\n\u003cp\u003eThe 1756-L1 is a ControlLogix 5550 processor designed for the original generation of Allen-Bradley ControlLogix PAC platforms. It installs into any standard 1756 chassis and supports communication with other controllers across the backplane while running independently. This module integrates an RS232 port for direct communication with programming devices, HMIs, and SCADA systems, and it supports a variety of network protocols through optional communication modules. The 1756-L1 is compatible with 1756-M1, 1756-M2, and 1756-M3 memory modules for nonvolatile storage, making it suitable for diverse industrial control architectures.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIntegrated RS232 port: Enables DF1\/DH-485 communication with programming devices, HMIs, and SCADA systems.\u003c\/li\u003e\n\u003cli\u003e64 KB user memory: Supports medium-scale logic applications within the ControlLogix platform.\u003c\/li\u003e\n\u003cli\u003eWide network compatibility: Works with DeviceNet, DH+, ControlNet, and EtherNet\/IP via expansion modules.\u003c\/li\u003e\n\u003cli\u003eChassis flexibility: Installs in any slot of 1756-A4, A7, A10, A13, or A17 ControlLogix chassis.\u003c\/li\u003e\n\u003cli\u003eBattery-backed RAM: Supports memory retention using 1756-BA1 or 1756-BA2 batteries.\u003c\/li\u003e\n\u003cli\u003eProgrammable in IEC languages: Supports Ladder, Function Block, SFC, and Structured Text.\u003c\/li\u003e\n\u003cli\u003eIndustrial-grade durability: Designed for 0–60°C operation with robust shock and vibration tolerance.\u003c\/li\u003e\n\u003cli\u003eDiagnostic front panel LEDs: Provides real-time module status and operational feedback.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 1756-L1 delivers the reliability and precision required for ControlLogix-based industrial automation and process control systems.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":47209005121834,"sku":"1756-L1","price":672.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/1756-L1.webp?v=1702662570","url":"https:\/\/iqelectro.com\/products\/allen-bradley-1756-l1-logix5550-processor-quick-delivery","provider":"IQElectro","version":"1.0","type":"link"}