LOGO! 24RCE, LOGIC MODULE, DISPLAY POWER SUPPLY I/O: 24VAC/DC 24V/RELAY, 8 DI/4 DO, MEMORY 800 blocks, MODULARTY EXPENDABLE, Ethernet, INTEGRATED WEB SERVER, DATA LOG, USER-DEFINED WEB PAGES, STANDARD microSD card for LOGO! Soft Comfort V9.0 or higher