{"product_id":"compactlogix-dual-serial-processor-1769-l31-allen-bradley","title":"CompactLogix Dual Serial Processor 1769-L31 Allen Bradley","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1769-L31\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a CompactLogix chassis-less controller optimized for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eserial communication applications\u003c\/strong\u003e. Featuring\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003etwo RS-232 serial ports\u003c\/strong\u003e, this processor enables simultaneous programming and peripheral connectivity, supporting devices such as HMIs, barcode scanners, and legacy drives. Ideal for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003estand-alone machinery or localized control systems\u003c\/strong\u003e, the L31 delivers reliable logic execution without the need for Ethernet networking.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eFeature\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\u003eCatalog Number\u003c\/td\u003e\n\u003ctd\u003e1769-L31\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUser Memory\u003c\/td\u003e\n\u003ctd\u003e512 KB SRAM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSerial Interfaces\u003c\/td\u003e\n\u003ctd\u003e2 × RS-232 ports (Port 0 \u0026amp; Port 1), supporting DF1, DH-485, Modbus RTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLocal I\/O Expansion\u003c\/td\u003e\n\u003ctd\u003eUp to 16 1769 Compact I\/O modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI\/O Bank Support\u003c\/td\u003e\n\u003ctd\u003eUp to 3 banks using expansion cables\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply Distance Rating\u003c\/td\u003e\n\u003ctd\u003eWithin 4 slots of 1769-PA2 or 1769-PB2 power supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThroughput\u003c\/td\u003e\n\u003ctd\u003eHigh-speed execution of Boolean logic and floating-point math\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStatus Indicators\u003c\/td\u003e\n\u003ctd\u003eLEDs for Run, Force, Battery, and I\/O status\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemory Backup\u003c\/td\u003e\n\u003ctd\u003eRequires 1747-BA lithium battery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProgramming Software\u003c\/td\u003e\n\u003ctd\u003eRSLogix 5000 \/ Studio 5000 Logix Designer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0–60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDual Serial Ports:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDedicated channels for programming and peripheral communication.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eChassis-Less Design:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCompact modular footprint for space-constrained control panels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFull Logix Functionality:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupports symbolic programming and multitasking for consistent performance across the Integrated Architecture platform.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBattery-Backed Memory:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRetains program and tag data during power loss with the 1747-BA lithium battery.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFlexible I\/O Expansion:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupports up to 16 local I\/O modules and 3 I\/O banks via expansion cables.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eIndustrial Applications\u003c\/h2\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003ePump stations and water treatment facilities\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMaterial handling and conveyor control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStand-alone machinery requiring Modbus RTU or DF1 connectivity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSystems with HMIs or barcode scanners that need dedicated serial communication\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDoes the 1769-L31 support Ethernet\/IP?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eNo, this is a serial-only processor. For Ethernet\/IP communication, use the 1769-L32E or 1769-L35E.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHow many I\/O points can it handle?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUp to 16 local 1769 modules; the total I\/O count depends on the module types used.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCan I use it for motion control?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIt supports basic motion via local I\/O or serial devices but\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003edoes not support Integrated Motion on EtherNet\/IP\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":52501371453624,"sku":"1769-L31","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1769-L31.jpg?v=1769411064","url":"https:\/\/www.globalpetroparts.com\/products\/compactlogix-dual-serial-processor-1769-l31-allen-bradley","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}