{"product_id":"1785-l80b-industrial-automation-module-by-allen-bradley","title":"1785-L80B Industrial Automation Module by Allen-Bradley","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe Allen-Bradley 1785-L80B is an enhanced PLC-5 programmable logic controller designed for complex industrial automation. With 100,000 words of user memory and support for up to 3072 I\/O points, this processor excels in applications requiring high-density control and robust communication.\u003c\/p\u003e\u003ch2\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Memory Capacity:\u003c\/strong\u003e 100 Kilowords battery-backed static RAM ensures reliable program retention.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Communication:\u003c\/strong\u003e Four DH+\/Remote I\/O ports (channels 1A, 1B, 2A, 2B) plus one serial port (RS-232\/423\/422A) for versatile connectivity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScalable I\/O:\u003c\/strong\u003e Supports up to 32 remote I\/O racks and 93 total chassis, accommodating extensive systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRedundancy Support:\u003c\/strong\u003e Built-in controller redundancy for high-availability applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Power Dissipation:\u003c\/strong\u003e 12 W power draw and 2.3 A backplane current minimize heat load.\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\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eRockwell Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003ePLC5 Processor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e1785-L80B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcessor\u003c\/td\u003e\n\u003ctd\u003ePLC-5\/80\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax User Memory\u003c\/td\u003e\n\u003ctd\u003e100 Kilowords\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery-Backed RAM\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Total I\/O\u003c\/td\u003e\n\u003ctd\u003e3072 (any mix or 3072 in + 3072 out)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Analog I\/O\u003c\/td\u003e\n\u003ctd\u003e3072\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax I\/O Chassis Total\u003c\/td\u003e\n\u003ctd\u003e93\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax I\/O Chassis Universal Remote\u003c\/td\u003e\n\u003ctd\u003e32 per I\/O link\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Ports\u003c\/td\u003e\n\u003ctd\u003e4 DH+\/RIO (Adapter\/Scanner), 1 serial (RS-232\/423\/422A), 2 programming terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtocols\u003c\/td\u003e\n\u003ctd\u003eDF1, ASCII, DH+, RIO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eController Redundancy\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003e12 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current Draw\u003c\/td\u003e\n\u003ctd\u003e2.3 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery\u003c\/td\u003e\n\u003ctd\u003e1770-XYC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEEPROM Backup\u003c\/td\u003e\n\u003ctd\u003eYes (1785-ME16\/ME32\/ME64\/M100)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI\/O Scan Time Per Rack\u003c\/td\u003e\n\u003ctd\u003e10 ms @57.6 kbps, 7 ms @115.2 kbps, 3 ms @230.4 kbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eReal-World Applications\u003c\/h2\u003e\u003cp\u003eThe 1785-L80B is ideal for manufacturing lines, material handling systems, and process control where high I\/O counts and multiple communication protocols are required. Its DH+ capability allows peer-to-peer networking between PLC-5 controllers, while remote I\/O scanning enables distributed I\/O architectures.\u003c\/p\u003e\u003ch2\u003eInstallation \u0026amp; Setup\u003c\/h2\u003e\u003cp\u003eMount the 1785-L80B in a compatible 1771 chassis (e.g., 1771-A1B, A2B, A3B, A4B). Connect the backplane and ensure proper power supply (1770-P1, P45, P5, 1771-PE, P4S1, P6S1, P4R, P6R). Configure channels via programming software, selecting DH+ or RIO modes as needed.\u003c\/p\u003e\u003ch2\u003eMaintenance \u0026amp; Reliability\u003c\/h2\u003e\u003cp\u003eMonitor the front-panel BATT indicator; replace the 1770-XYC battery every 2-3 years to preserve memory. Keep the controller free of dust and within specified temperature ranges. Periodic checks of communication cables and connectors prevent intermittent faults.\u003c\/p\u003e\u003ch2\u003eCompatibility \u0026amp; Integration\u003c\/h2\u003e\u003cp\u003eThe 1785-L80B integrates with 1771 I\/O modules, other PLC-5 controllers, and higher-level systems via DH+ or RIO. It supports DF1 and ASCII protocols for serial communication, and its control coprocessor expansion port allows additional functionality.\u003c\/p\u003e\u003ch2\u003eBuying Guide\u003c\/h2\u003e\u003cp\u003eWhen purchasing a 1785-L80B, verify the processor revision and included accessories. PLC Source PRO offers genuine Allen-Bradley modules with fast shipping and warranty support.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default","offer_id":44436176207971,"sku":"1785-L80B","price":233.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/8635\/0435\/files\/1785-BCM_3fa33a20-7613-4893-bbd1-830033695699.jpg?v=1785794485","url":"https:\/\/www.plcsourcepro.com\/he\/products\/1785-l80b-industrial-automation-module-by-allen-bradley","provider":"PLC Source PRO","version":"1.0","type":"link"}