Liebert Emerson 02-790871-30 REV.2 P/L3 Display Controller Board

The Liebert Emerson 02-790871-30 REV.2 P/L3 Display Controller Board is an intelligent display interface and control module designed for use in Liebert UPS and environmental control systems. It processes communication between the system’s main controller and front-panel display, enabling monitoring, data visualization, and user interface functions for operational control. Technical Specifications: Manufacturer: Liebert Corporation (Emerson Network Power Division) Model Number: 02-790871-30 Revision: REV.2 (P/L3) Product Type: Display Controller Board Function: Manages data processing and signal communication between system controller and front display or monitoring panel Processor Type: Embedded microcontroller with integrated firmware for display management Memory Type: EPROM and RAM modules for firmware storage and operational buffering Communication Interface: Parallel/serial bus through gold-plated edge connector Display Support: Compatible with LCD or LED front panel assemblies used in Liebert UPS systems Input Voltage: Operates on low-voltage DC supply (typically 5V DC) Main Components: Microcontroller, EPROM chips, logic ICs, capacitors, connectors, and communication interface components PCB Material: FR4 multi-layer glass epoxy with high dielectric strength and EMI shielding Mounting Style: Slot-in card type with retention brackets for secure chassis installation Protection Features: Surge suppression and input filtering circuitry Operating Temperature Range: 0°C to 50°C (32°F to 122°F) Compatible Systems: Liebert UPS front display modules and environmental control units Quality Assurance: Factory-tested and firmware-verified for operational stability under Emerson Network Power standards Manufacture Country: USA Please review pictures carefully and let us know if you have any questions!