{"product_id":"1785-l80c-series-allen-bradley-plc-5-80c-controlnet-processor","title":"1785-L80C Series Allen-Bradley PLC-5\/80C ControlNet Processor","description":"\u003ch3\u003eEngineering Architecture \u0026amp; System Matrix\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong style=\"color: #0056b3;\"\u003e1785-L80C\u003c\/strong\u003e controller engineered by \u003cstrong style=\"color: #0056b3;\"\u003eAllen-Bradley\u003c\/strong\u003e is a high-capacity \u003cstrong style=\"color: #0056b3;\"\u003eControlNet Processor Module\u003c\/strong\u003e belonging to the legacy \u003cstrong style=\"color: #0056b3;\"\u003ePLC-5 Series\u003c\/strong\u003e. This flagship automation controller combines heavy-duty logic processing with native ControlNet networking to direct complex industrial machinery and distributed I\/O racks.\u003c\/p\u003e\n\u003cul style=\"list-style-type: none; padding-left: 0;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCatalog Number:\u003c\/strong\u003e \u003cstrong style=\"color: #0056b3;\"\u003e1785-L80C\u003c\/strong\u003e (Processor Model: PLC-5\/80C)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer \u0026amp; Brand:\u003c\/strong\u003e Rockwell Automation \/ Allen-Bradley\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModule Type:\u003c\/strong\u003e ControlNet Programmable Automation Controller\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUser Memory Capacity:\u003c\/strong\u003e 100 Kilowords of static RAM backed by battery backup\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMemory Backup Options:\u003c\/strong\u003e Compatible with 1785-ME32, 1785-ME64, and 1785-M100 EEPROM modules\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChassis Backplane Power Draw:\u003c\/strong\u003e 3.3A at 5V DC\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications \u0026amp; Performance Metrics\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; text-align: left;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color: #f2f2f2;\"\u003e\n      \u003cth style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003ePerformance Parameter\u003c\/strong\u003e\u003c\/th\u003e\n      \u003cth style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eEngineering Specification\u003c\/strong\u003e\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eMaximum I\/O Capacity\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e3,072 total I\/O (any mix) or 3,072 inputs + 3,072 outputs (complementary)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eProgram Execution Speed\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e0.5 ms per K word (bit logic); 2.0 ms per K word (word\/math logic)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eControlNet Network Port\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eRJ-45 Network Access Port (NAP) with 5 Mbit\/s transfer rate and 2–100ms update time\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eNetwork Node \u0026amp; Distance Limits\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e99 max nodes with repeaters; 1000m link length (2 nodes); up to 6000m with repeaters\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eCommunication Ports\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eDH+, Remote I\/O, and RS-232-C\/422-A\/423-A serial ports (57.6k to 230.4 kbit\/s rates)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eThermal \u0026amp; Power Dissipation\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e59 BTU\/hour max heat dissipation; 0°C to 60°C operating temperature envelope\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eEnvironmental Ruggedness\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eWithstands 2G operational vibration (10–500Hz) and 30G operational shock\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eEnclosure \u0026amp; Physical Weight\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eOpen enclosure style; Weight approximately 3.0 lbs (1.36 kg)\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eIndustrial Applications \u0026amp; Rotary Machinery\u003c\/h3\u003e\n\u003cul style=\"list-style-type: none; padding-left: 0;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLarge Continuous Process Plants:\u003c\/strong\u003e Coordinates high-node-count distributed control networks across petroleum refineries and chemical facilities.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeavy Manufacturing Production Lines:\u003c\/strong\u003e Manages large-scale discrete I\/O matrices (up to 3,072 points) across multi-chassis plant floors.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Speed Variable Drive Integration:\u003c\/strong\u003e Interfacing seamlessly with industrial variable speed drives and HMI workstations via ControlNet.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDiagnostic Capabilities \u0026amp; System Health Tracking\u003c\/h3\u003e\n\u003cul style=\"list-style-type: none; padding-left: 0;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInternal Real-Time Clock\/Calendar:\u003c\/strong\u003e Maintains precise time-stamping with ±5 minutes per month accuracy variation at 60°C.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery Voltage Supervision:\u003c\/strong\u003e Dedicated low-battery monitoring triggers front-panel indicators before static RAM data degradation occurs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHot Backup Redundancy Support:\u003c\/strong\u003e Integrates with the 1785-CHBM ControlNet hot backup cartridge to ensure zero-loss plant controller failover.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eGlobal PLC Spare HUB's Insight\u003c\/h3\u003e\n\u003cp\u003eMaintaining legacy PLC-5 architectures requires careful management of backplane power budgeting and memory backup hardware. The \u003cstrong style=\"color: #0056b3;\"\u003e1785-L80C\u003c\/strong\u003e demands a substantial 3.3A from the 5V DC chassis backplane, meaning power supply loading must be verified when populating 1771 I\/O racks. For high-availability applications, field engineers should deploy the 1785-CHBM hot backup module alongside an appropriate EEPROM memory backup card (such as the 1785-M100) to protect against prolonged power loss or processor failure. When configuring ControlNet node drops, ensure coaxial cable lengths and repeater limits strictly adhere to physical layer specifications to prevent packet drops on high-speed deterministic loops.\u003c\/p\u003e\n\n\u003ch3\u003eLogistics, Packaging \u0026amp; Warranty Terms\u003c\/h3\u003e\n\u003cul style=\"list-style-type: none; padding-left: 0;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondition Status:\u003c\/strong\u003e 100% New \u0026amp; Original factory-sealed hardware.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty Coverage:\u003c\/strong\u003e Comprehensive 12 Months factory warranty from date of purchase.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrder Handling:\u003c\/strong\u003e Rapid 24 to 48 hour processing and dispatch window.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGlobal Express Shipping:\u003c\/strong\u003e Fast, secure air delivery worldwide via FedEx, UPS, and DHL.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch3\u003eHow does the ControlNet hot backup cartridge (1785-CHBM) function with this controller?\u003c\/h3\u003e\n\u003cp\u003eThe 1785-CHBM module synchronizes primary and secondary PLC-5\/80C processors in real time, allowing automatic, bumpless switchover of control loops if the primary controller faults.\u003c\/p\u003e\n\n\u003ch3\u003eWhat battery module is required to maintain static RAM memory during power outages?\u003c\/h3\u003e\n\u003cp\u003eThe controller relies on the 1770-XYC battery module to maintain user memory programs and data tables inside the battery-backed static RAM during extended shutdowns.\u003c\/p\u003e\n\n\u003ch3\u003eCan the 1785-L80C address I\/O modules using fractional-slot addressing modes?\u003c\/h3\u003e\n\u003cp\u003eYes, the controller fully supports 2-slot, 1-slot, and ½-slot addressing modes to accommodate legacy 1771 8-point, 16-point, and 32-point I\/O modules.\u003c\/p\u003e\n\n\u003ch3\u003eWhat is the maximum scan time overhead introduced by ControlNet network communications?\u003c\/h3\u003e\n\u003cp\u003eNetwork update times are user-selectable between 2 ms and 100 ms, allowing engineers to balance determinism against scan execution overhead depending on process criticality.\u003c\/p\u003e\n\n\u003ch3\u003eWhy is EEPROM program backup recommended alongside battery-backed RAM?\u003c\/h3\u003e\n\u003cp\u003eInstalling an optional EEPROM module (such as the 1785-M100) provides non-volatile program storage, preventing total program loss if the backup battery discharges completely over time.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":45013904392374,"sku":"1785-L80C","price":112.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/1785-L80C_89fc0dac-69ac-47fe-bb51-33382b70769c.jpg?v=1793168602","url":"https:\/\/www.plcsparehub.com\/products\/1785-l80c-series-allen-bradley-plc-5-80c-controlnet-processor","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}