Mitsubishi FX3S PLC CPU, Ethernet, ModBus Networking, 4000 Steps Program Capacity, 12 Inputs, 8 Outputs. For Use With: FX3 Series. Number of I/O: 20. Input Type: DC. Voltage Category: 100 → 240 V ac. Output Type: Relay, Transistor. Communication Port Type: RS422, USB. Depth: 90mm. Minimum Operating Temperature: 0°C. Dimensions: 75 x 75 x 90 mm. Programming Language Used: Instruction List, SFC, Step Ladder. MPN: FX3S-20MR-ES