IncrementalERN 1321ERN 1381ERN 1387ERN 1326Incremental signals TTL V
PP1) TTLLine count * / System accuracy1 024/± 64"2 048/± 32" 4 096/± 16" 512/± 60"2 048/± 20"4 096/± 16"2 048/± 20"1 024/± 64"2 048/± 32"4 096/± 16"Reference markOne Scanning frequencyEdge separation 300 kHz 300 kHz a 0.35 µs–– 0.35 µs– Cutoff frequency –3 dB 210 kHz Absolute position values – V
PP1) TTLPosition values per rev–Z1 track
2) 3 x TTL
3) Power supply 5 V ± 10 %5 V ± 5 % Current consumption 120 mA 130 mA 150 mA without load Electrical connection via Pcb connector 12-pin14-pin16-pin Shaft Taper shaft 9.25 mm; taper 1:10 Mech. permissible speed n 15 000 min
–1 Starting torque at 20 °C 0.01 Nm Moment of inertia of rotor2.6 · 10
–6 kgm
2 Natural frequency of the stator coupling 1 800 Hz Permissible axial motion of measured shaft ± 0.5 mm Vibration 55 to 2 000 Hz 300 m/s
2 4) 2 (EN 60 068-2-6) Shock 6 ms 1 000 m/s / 2 000 m/s
2 (EN 60 068-2-27) Max. operating temp. 120 °C120 °C 4 096 lines: 80 °C120 °C Min. operating temp. –40 °C Protection EN 60 529IP 40 when mounted Weight (approx.) 0.25 kg
1) * Please indicate when ordering Limited tolerances Signal amplitude: 0.75 to 1.2 V
PP Asymmetry: 0.05 Signal ratio: 0.9 to 1.1 Phase angle: 90° ± 5° elec. Signal-to-noise ratio E, F: 100 mV
2) 3) One sine and one cosine signal per revolution
4) Three square-wave signals with signal periods of 90° or 120° mechanical phase shift As per standard for room temperature; the following applies for operating temperature Up to 100 °C: 300 m/s
2 Up to 115 °C: 150 m/s
2

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