IncrementalERO 1225ERO 1285Incremental signals TTL 1 V
PP Line count * 1 0242 048System accuracy
1) /Accuracy of the graduation
2) 1 024 lines: ± 92"/± 6" 1 024 lines: ± 67"/± 6" 2 048 lines: ± 73"/± 6" 2 048 lines: ± 60"/± 6"Reference markOneScanning frequencyEdge separation 300 kHz Typically 180 kHz a 0.39 µs––– Power supply Cutoff frequency –3 dB 5 V ± 10 % Current consumption 150 mA without load Electrical connection Via 12-pin Pcb connector Shaft* Hollow through shaft 10 mm or 12 mm Moment of inertia of rotor Shaft 10 mm: 2.2 · 10
–6 –6 kgm
2 Shaft 12 mm: 2.15 · 10 kgm
2 Mech. permissible speed n 25 000 min
–1 Permissible axial motion of measured shaft 1 024 lines: ± 0.2 mm 2 048 lines: ± 0.05 mm± 0.03 mm Vibration 55 to 2 000 Hz 100 m/s
2 2 (EN 60 068-2-6) Shock 6 ms 1 000 m/s (EN 60 068-2-27) Max. operating temp. 100 °C Min. operating temp. –40 °C Protection EN 60 529IP 00 Weight (approx.) 0.07 kg
1) * Please indicate when ordering
2) Before installation. Additional errors caused by mounting inaccuracy and inaccuracy from the bearing of the drive shaft are not included. For other errors, see Measuring Accuracy

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