Specification: Part Number 1038039 Start up torque: 0.8 Ncm (20 °C) Storage temperature range: -40 °C ... 100 °C, without package Reverse polarity protection: 1 Interface signals: Clock +, Clock -, Data +, Data- Bearing lifetime: 3.0 x 10^9 revolutions Max. number of revolutions: 1 Mechanical interface: Blind hollow shaft Moment of inertia of the rotor: 40 gcm² MTTFd: mean time to dangerous failure: 250 a (EN ISO 13849-1) Resistance to shocks: 60 g, 6 ms (according to EN 60068-2-27) Measuring step deviation: ± 0.002 ° EMC: (according to EN 61000-6-2 and EN 61000-6-3) Clock frequency: 2 MHz SET (electronic adjustment): H-active (L &;8801; 0 - 1,5 V, H &;8801; 2,0 - Us V) Mass: 0.2 kg Resistance to vibration: 20 g, 10 Hz ... 2,000 Hz (according to EN 60068-2-6) Maximum operating speed: 6,000 /min Error limits: ± 0.03 ° CW/CCW (counting sequence when turning): L-active (L &;8801; 0 - 1,5 V, H &;8801; 2,0 - Us V) Working temperature range: -30 °C ... 100 °C Max. number of steps per revolution: 262,144 Measuring step: 0.014 ° 360 ° / number of steps Type of mounting shaft: Blind hollow shaft Initialization time: 50 ms Electrical interface: SSI/Gray, programmable Connection type: Connector M23, 12-pin, radial Operating voltage range: 4.5 V DC ... 32 V DC Enclosure rating: IP 65 (according to IEC 60529), shaft side, IP 67 (according to IEC 60529), housing side Power consumption: 0.5 W (without load) Max. angular acceleration: 500,000 rad/s² Resolution power: 262,144 x 1 Code type: Gray Repeat accuracy: 0.002 ° Permissible movement radial static/dynamic: ± 0.3 mm, ± 0.05 mm Operating torque: 0.6 Ncm (20 °C) Shaft diameter: 12 mm Permissible movement axial static/dynamic: ± 0.5 mm, ± 0.01 mm Permissible relative humidity: 90 % (condensation of the optical scanning not permitted) Code sequence: CW/CCW, parameter adjustable