An incremental rotary encoder is a type of electromechanical device that converts the angular motion or position of a rotary shaft into analog or digital code that represents that motion or position. Specification: Series: E6B Encoding Method: Incremental Resolution: P/R 256 Control Output (Output type): NPN open-collector output Max: Force Radial 30 N Max Force: Thrust 20 N IP Rating: IP50 Power Supply: Voltage 5 VDC -5% to 24 VDC +15% (ripple (p-p): 5% Max.) Max Rotation Frequency: r/min 6000 r/min Height: (mm) 40 Width: (mm) 40 Depth: (mm) 39 Weight: (kg) 0.252 Packages Include: 1 x  256PPR OMRON Incremental Rotary Encoder E6B2-CWZ6C