{"product_id":"1769-l31-industrial-automation-module-by-allen-bradley","title":"1769-L31 Industrial Automation Module by Allen-Bradley","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe Allen-Bradley 1769-L31 is a CompactLogix Programmable Automation Controller (PAC) engineered for small to medium-scale industrial applications. As part of the 1769 CompactLogix family, this controller delivers dependable logic execution, flexible I\/O expansion, and dual serial communication capabilities. With 512 KB of user memory and support for up to 16 local I\/O modules across 3 banks, the 1769-L31 serves as a robust control solution for machine builders and system integrators.\u003c\/p\u003e\u003cp\u003eThis module is manufactured by Rockwell Automation under the Allen-Bradley brand, ensuring high reliability and long-term availability. The 1769-L31 is available in Series A and B, offering compatibility with existing CompactLogix installations.\u003c\/p\u003e\u003ch2\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual RS-232 Ports:\u003c\/strong\u003e Two serial communication channels support DF1, DH-485, and ASCII protocols, with channel 0 fully isolated for noise immunity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e512 KB User Memory:\u003c\/strong\u003e Ample space for control programs, data tables, and recipe management.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpandable I\/O:\u003c\/strong\u003e Supports up to 16 local I\/O modules and 3 I\/O banks, allowing scalable system design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Mounting:\u003c\/strong\u003e DIN-rail or panel mounting with an open-style enclosure for easy integration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiagnostic LEDs:\u003c\/strong\u003e RUN, FORCE, BAT, OK, I\/O, and channel status indicators simplify troubleshooting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-Volatile Memory Option:\u003c\/strong\u003e Use 1784-CF64 or 1784-CF128 CompactFlash cards for program backup.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e1769-L31\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Line\u003c\/td\u003e\n\u003ctd\u003eCompactLogix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eControl Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemory\u003c\/td\u003e\n\u003ctd\u003e512 kilobytes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Ports\u003c\/td\u003e\n\u003ctd\u003eTwo (2) RS-232\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Isolation\u003c\/td\u003e\n\u003ctd\u003eChannel 0: Fully isolated; Channel 1: Non-isolated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Protocols\u003c\/td\u003e\n\u003ctd\u003eDH485; DF1; ASCII\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax I\/O Modules\u003c\/td\u003e\n\u003ctd\u003e16 Modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax I\/O Banks\u003c\/td\u003e\n\u003ctd\u003e3 banks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply Distance Rating\u003c\/td\u003e\n\u003ctd\u003e1747-CP3 \/ 1756-CP3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery\u003c\/td\u003e\n\u003ctd\u003e1747-BA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVibration\u003c\/td\u003e\n\u003ctd\u003eOperating: 10 to 500 Hz, 5G, 0.030 in. peak-to-peak\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0° to +60°C (+32° to +140°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eNone (Open Style)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eA and B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e2 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e8 x 8 x 5 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWire Type\u003c\/td\u003e\n\u003ctd\u003eCopper – 90°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWire Size (Solid)\u003c\/td\u003e\n\u003ctd\u003e22-14 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e10612598313652\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eIndustry Applications\u003c\/h2\u003e\u003cp\u003eThe 1769-L31 excels in applications requiring reliable sequential control and moderate I\/O counts. Common use cases include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging Machinery:\u003c\/strong\u003e Control of conveyors, labeling stations, and wrapping equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Handling:\u003c\/strong\u003e Coordination of sorters, lifts, and transfer lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcess Skids:\u003c\/strong\u003e Monitoring and control of pumps, valves, and sensors in small process units.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBecause the 1769-L31 supports up to 16 local I\/O modules and 3 I\/O banks, it scales efficiently as production demands grow, reducing the need for a full controller upgrade.\u003c\/p\u003e\u003ch2\u003eInstallation \u0026amp; Setup Guidance\u003c\/h2\u003e\u003cp\u003eMount the 1769-L31 on a DIN rail or panel using the open-style enclosure. Position the controller as the leftmost module in the CompactLogix system and ensure it sits within four modules of the power supply. Use the 1756-CP3 or 1747-CP3 serial cable for programming and communication wiring, and connect solid copper wire sized 22-14 AWG rated for 90°C. Always install the 1747-BA battery to maintain user memory during power loss. For non-volatile storage, insert a 1784-CF64 or 1784-CF128 CompactFlash card.\u003c\/p\u003e\u003ch2\u003eMaintenance \u0026amp; Reliability\u003c\/h2\u003e\u003cp\u003eRoutine maintenance focuses on verifying battery health and checking for loose wiring. The BAT LED indicates when the 1747-BA battery needs replacement, ensuring program memory remains intact. Periodically inspect the controller for dust accumulation and ensure the operating temperature stays within 0° to +60°C. With proper care, the 1769-L31 delivers long service life and minimal downtime, making it a cost-effective choice for continuous operations.\u003c\/p\u003e\u003ch2\u003eCompatibility \u0026amp; Integration\u003c\/h2\u003e\u003cp\u003eThe 1769-L31 integrates seamlessly with other CompactLogix components and supports DH-485, DF1, and ASCII protocols through its dual RS-232 ports. It pairs with 1769 I\/O modules and is compatible with Rockwell Automation programming software. For system expansion, the controller supports up to 16 local I\/O modules and 3 I\/O banks. The battery (1769-BA) and serial cables (1756-CP3 or 1747-CP3) are specifically designed for this controller.\u003c\/p\u003e\u003ch2\u003eSelection Guide \u0026amp; Purchasing Advice\u003c\/h2\u003e\u003cp\u003eBefore purchasing a 1769-L31, verify your system requirements: number of I\/O points, communication needs, and memory capacity. Ensure the controller’s 512 KB memory and dual serial ports match your application. Confirm the operating environment stays within the specified temperature and vibration limits. When sourcing this module, rely on a reputable supplier like PLC Source PRO to guarantee authentic Allen-Bradley components and reliable after-sales support.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default","offer_id":44438681223267,"sku":"1769-L31","price":296.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/8635\/0435\/files\/1769-ADN_133c2d88-667e-4640-b022-d647eb09f151.jpg?v=1785842627","url":"https:\/\/www.plcsourcepro.com\/ar\/products\/1769-l31-industrial-automation-module-by-allen-bradley","provider":"PLC Source PRO","version":"1.0","type":"link"}