Universal Programmable Logic Controller (PLC) CPU / main unit bundle with pow. suppl. unit + backplan. – 5 x slots rack – Mitsubishi Electric (MELSEC-Q Series (QnU)) – 10Ksteps / 40KBytes (Program) memory capacity – connection capacity 256 x I/O points – with USB connector + 9-pin D-Sub female connector (RS-232) – with RS-232 communication capability – Supply voltage 5Vdc (from dedicated Qseries P.S.U.) – Backplane / rack mounting