Digital Inputs = 26 / Digital Input Type = 24 VDC / Digital Output Type = Transistor / Number of Transistor Outputs = 16 / Input/Output Max. = 42 I/O Points / Operating Voltage Min. V = 20 / Operating Voltage Max. V = 24 / Baud Rate Max. kbps = 115.2 / Communication Interface Type = USB / Communication Interface Type = Ethernet / Communication Interface Type = MODBUS / Communication Interface Type = RS-232 / Communication Interface Type = RS-485 / Communication Interface Type = CANopen / Real-Time Clock = Yes / Termination Type = Spring Terminal / Mounting Type = DIN Rail Mount / Battery Backup = Yes / Protection Rating = IP20 / Program Capacity = 64 MB / Series = Modicon