Programmable Logic Controller (PLC) CPU unit - Mitsubishi Electric (MELSEC iQ-R Series) - 10Ksteps / 40KBytes (Program) memory capacity - connection capacity 4096 x I/O points max - with USB2.0 connector - with Ethernet communication capability - Supply voltage 5Vdc (from dedicated iQ-R series P.S.U.) - Backplane / rack mounting