{"product_id":"1785-l60b-allen-bradley-plc-5-60-classic-processor-module","title":"1785-L60B | Allen-Bradley PLC-5\/60 Classic Processor Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1785-L60B\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as a high-capacity processing core for the PLC-5 platform. This PLC-5\/60 processor manages large-scale industrial operations by providing\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e64 Kilowords\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eof battery-backed static RAM. It excels in complex environments requiring extensive distributed I\/O and peer-to-peer networking. We supply this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoriginal factory stock, ensuring the internal architecture maintains peak performance for legacy system longevity and mission-critical reliability.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe 1785-L60B integrates powerful communication and memory management features:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAllen-Bradley \/ Rockwell Automation\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProcessor Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePLC-5\/60\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eUser Memory\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e64K Words (Battery-Backed RAM)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMax Total I\/O\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3072 (Any Mix) or 3072 In + 3072 Out\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCommunication Ports\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4 DH+\/Remote I\/O, 1 Serial (RS-232\/422A\/423), 2 Programming Terminals\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProtocols Supported\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDH+, Remote I\/O (RIO), DF1, ASCII\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMax I\/O Racks\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24 Racks\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eScan Time (Per Rack)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3 ms @ 230.4 kbits\/s; 7 ms @ 115.2 kbits\/s\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBackup Options\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eEEPROM (via 1785-ME16, -ME32, -ME64, -M100)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBattery Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1770-XYC Lithium Battery\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3.19 lbs (1.45 kg)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExtensive Network Capability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFour on-board ports support\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eData Highway Plus (DH+)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eor\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRemote I\/O (RIO)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econfigurations. This allows the 1785-L60B to act as a scanner for remote racks or a peer on a plant-wide DH+ network, facilitating high-speed data exchange across large distances.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMassive I\/O Scalability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe processor manages up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3072 I\/O points\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eacross 24 racks. This capacity supports large-scale assembly lines and complex process control applications without requiring a transition to more expensive, modern platforms.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Speed Execution:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAdvanced scan time capabilities (as low as 3 ms at 230.4 kbits\/s) ensure responsive control over high-speed machinery. The dedicated control coprocessor expansion port allows for even further computational enhancement.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNon-Volatile Security:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhile the RAM is battery-backed, the unit supports optional EEPROM modules. This enables hardware-based program backup, ensuring immediate system recovery and protection against intellectual property loss during extended power outages.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I expand the memory of the 1785-L60B beyond 64K words?\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eYou can use the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1785-ME64\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eor other ME-series modules for program backup, but the processor's active runtime memory remains capped at 64K words.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which battery does this processor require for memory retention?\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 1785-L60B uses the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1770-XYC\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elithium battery. As we sell this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e, it includes a fresh battery, but we recommend checking the \"Battery Low\" LED on the front panel during routine maintenance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this unit support RS-232 communication directly?\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eYes. The single 25-pin serial port supports RS-232, RS-423, and RS-422A standards. You can configure it for DF1 protocol to interface with HMIs, weigh scales, or non-Rockwell serial devices.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the 1785-L60B a direct replacement for an older PLC-5\/40?\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eYes, the PLC-5\/60 offers a larger memory capacity and higher I\/O limits than the PLC-5\/40. You can typically download an existing PLC-5\/40 program into the 1785-L60B using RSLogix 5 after updating the processor type in the software.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":53286166823096,"sku":"1785-L60B","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1785-L60B.jpg?v=1775816551","url":"https:\/\/www.globalpetroparts.com\/products\/1785-l60b-allen-bradley-plc-5-60-classic-processor-module","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}