LOGO! 24RCEO (AC), logicmodule, PS/I/O: 24 V DC/24 VAC/relay, 8 DI/4 DO, withoutdisplay, Memory 400 blocks,modular expandable, Ethernet,integr. web server, data log,user-defined Web pages,standard microSD card for LOGO!Soft Comfort V8 or higher,older projects executable