{"product_id":"allen-bradley-1785-l20b","title":"1785-L20B","description":"\u003ch2\u003eOverview of Allen-Bradley 1785-L20B PLC-5\/20 Processor Module Series C\u003c\/h2\u003e\n\u003cp\u003eThe Allen-Bradley 1785-L20B is a PLC-5\/20 processor module designed for medium-sized industrial control applications. It features 16K words of user memory and supports up to 2048 discrete I\/O points. With two communication ports (RS-232 and RS-485), it supports protocols including DF1, Data Highway Plus (DH+), and ControlNet. The Series C version offers enhanced performance and additional firmware features over earlier versions.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features of 1785-L20B\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e16K words of user program and data memory.\u003c\/li\u003e\n  \u003cli\u003eSupports up to 2048 discrete I\/O points and multiple I\/O chassis.\u003c\/li\u003e\n  \u003cli\u003eDual communication ports: RS-232 and RS-485 supporting DF1, DH+, and ControlNet.\u003c\/li\u003e\n  \u003cli\u003eModular design compatible with PLC-5 I\/O and communication adapters.\u003c\/li\u003e\n  \u003cli\u003eEfficient program scan and real-time processing for automation tasks.\u003c\/li\u003e\n  \u003cli\u003eEnhanced protocol support including optional Modbus and Profibus DP.\u003c\/li\u003e\n  \u003cli\u003eRobust operation in industrial environments with operating temperature range 0 to 60 °C.\u003c\/li\u003e\n  \u003cli\u003eTypical uses include manufacturing automation, process control, and remote I\/O monitoring.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcessor Type\u003c\/td\u003e\n\u003ctd\u003ePLC-5\/20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUser Memory\u003c\/td\u003e\n\u003ctd\u003e16K words\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiscrete I\/O Capacity\u003c\/td\u003e\n\u003ctd\u003eUp to 2048 points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Ports\u003c\/td\u003e\n\u003ctd\u003eRS-232, RS-485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Protocols\u003c\/td\u003e\n\u003ctd\u003eDF1, DH+, ControlNet, optional Modbus, Profibus DP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProgram Scan Time\u003c\/td\u003e\n\u003ctd\u003eFast, dependent on program size\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\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e5 V DC (via chassis)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard PLC-5 processor size\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApproximately 0.5 kg (1.1 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eApplications \/ Use Cases\u003c\/h2\u003e\n\u003cp\u003eThe 1785-L20B processor is ideal for medium-scale automation systems in industries such as manufacturing, water treatment, and food and beverage processing. It offers versatile communication options and broad compatibility with I\/O modules, enabling efficient control and monitoring for complex industrial processes.\u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":47809560805675,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/4671\/7995\/files\/Leadtime_930447f2-c2d7-4aea-ae4e-617943064054.png?v=1723546395","url":"https:\/\/leadtime.ca\/products\/allen-bradley-1785-l20b","provider":"LEADTIME","version":"1.0","type":"link"}