Technical Parameters Category Specification Product Model EASY821-DC-TC Product Line EASY800 Device Type Programmable Logic Relay (PLR) / Smart Relay Supply Voltage 24 V DC (Range: 19.2 - 28.8 V DC) Power Consumption Typically 12 W (including loads) Core Processor 8-bit microcontroller User Program Memory 1,000 function blocks (non-volatile) Data Memory 128 flags (non-volatile) Real-Time Clock (RTC) Integrated (buffered for approx. 80 hours at 25°C) Digital Inputs 8 x Digital Inputs • 24 V DC (sinking/sourcing) • 2 inputs are multi-functional and can be used as analog inputs (0-10 V) or high-speed counters (5 kHz) Digital Outputs 6 x Relay Outputs • Switching Capacity: 250 V AC / 30 V DC Max. • 8 A (at 250 V AC Resistive) • 5 A (at 250 V AC Inductive, cos φ=0.4) Analog Inputs 2 x Analog Inputs (shared with 2 multi-functional digital inputs) • Voltage Range: 0 - 10 V DC • Resolution: 8 bit High-Speed Counters 2 x High-Speed Counters (shared with 2 multi-functional digital inputs) • Frequency: up to 5 kHz Display & Operation Integrated Text Display (TC) • 2-line, 16-character backlit LCD • 4 navigation keys for programming and operation Programming Interface Integrated EASY-PC interface (via RJ12 connector) Communication • EASY-LINK: For networking up to 12 EASY800 devices (via RJ12) • PC Connection: For programming with EASY-SOFT software Programming Software Eaton EASY-SOFT (Version 6 or higher recommended) Protection Rating Front panel: IP65 (when mounted) Housing: IP20 Mounting DIN rail mounting (35 mm) Ambient Temperature -25 °C to +55 °C (Operation) -40 °C to +70 °C (Storage) Dimensions (H x W x D) Approx. 126 x 90 x 64 mm