Position Encoders for Servo Drives - DR. JOHANNES HEIDENHAIN GmbH - #49

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49 Absolute ECI 1118 EQI 1130 Incremental signals » 1 VPP None » 1 VPP None Line count 16 – 16 – Cutoff frequency –3 dB ‡ 6 kHz – ‡ 6 kHz – Absolute position values EnDat 2.1 Ordering designation* EnDat 01 EnDat 21 EnDat 01 EnDat 21 Position values per rev 262 144 (18 bits) Revolutions – 4 096 (12 bits) Elec. permissible speed/ deviations1) 4 000 min–1/± 400 LSB 15 000 min–1/± 800 LSB 15 000 min–1 (for continuous position value) 4 000 min–1/± 400 LSB 12 000 min–1/± 800 LSB 12 000 min–1 (for continuous position value) Calculation time tcal † 8 ìs System accuracy ± 280" Power supply DC 5 V ± 5 % Power consumption (maximum) † 0.85 W † 1.00 W Current consumption (typical) 120 mA (without load) 145 mA (without load) Electrical connection Via PCB connector, 15-pin Shaft Blind hollow shaft ¬ 6 mm, axial clamping Mech. permissible speed n †15 000 min–1 †12 000 min–1 Moment of inertia of rotor 0.76 · 10–6 kgm2 Permissible axial motion of measured shaft ± 0.2 mm Vibration 55 to 2 000 Hz Shock 6 ms † 300 m/s2 (EN 60 068-2-6) † 1 000 m/s2 (EN 60 068-2-27) Max. operating temp. 115 °C Min. operating temp. –20 °C Protection EN 60 529 IP 20 when mounted Weight Approx. 0.06 kg * Please select when ordering 1) Velocity-dependent deviation between the absolute and incremental signals