Mitsubishi Electric PLC, FX3U Base Unit AC 100-240 V; 32 inputs DC 24 V; 32 relay outputs, Type: FX3U, Power Supply (V): 100-240, Current Type: AC, Program Memory: 64K STEPS, Program Memory Unit: RAM, Integrated Digital Inputs: 32, Integrated Digital Outputs: 32, Output Type: RELAY, Local I/O Points: 256, Local + Remote I/O Points: 384, Expandable: YES, Cycle Time LD (ns): 65, Cycle Time MOV (ns): 642, USB: OPTION, RS-422: 1, Power Consumption (W): 45, Buffer Battery: YES, Protection Class: IP10, Min. Ambient Temperature (°C): 0, Max. Ambient Temperature (°C): 55, Series: MELSEC-F