The CJ1W-OC211 is an Output Unit from Omron's CJ1 Series of Programmable Logic Controllers (PLC). It is a specialty Output Unit designed to control three-phase induction motors, both rotor- and stator-driven. It features a built-in PLC relay output, 24VDC power output, and a control voltage output of 1V. It also features a built-in Frequency Inverter and overvoltage protection. This Output Unit is especially designed for motor control, and is designed to be used in conjunction with Omron’s CJ1 series PLCs.