AbsoluteIncrementalSingleturnMultiturn ECN 425ECN 413ECN 413EQN 437EQN 425EQN 425ERN 420ERN 460ERN 430ERN 480Absolute position values*EnDat 2.2EnDat 2.2SSIEnDat 2.2EnDat 2.2SSI– Ordering designationEnDat 22EnDat 01EnDat 22EnDat 01 Positions per revolution33 554 432 (25 bits)8192 (13 bits)33 554 432 (25 bits)8192 (13 bits)–Revolutions–4096–CodePure binaryGrayPure binaryGray– Elec. permissible speedDeviations
–1 –1 –1 •
–1 Flange socket M23, radial and axial (with blind hollow shaft)
1) 12 000 min 512 lines: 12 000 min 12 000 min 512 lines: 12 000 min for continuous position value 5000/12 000 min
–1 ± 12 LSB for continuous position value • 5000/10 000 min
–1 ± 12 LSB–Calculation time t ± 1 LSB/± 100 LSB 1500/12 000 min • ± 1 LSB/± 100 LSB 1500/10 000 min Flange socket M23, radialCable 1 m, with M23 coupling or without connector 2048 lines: 180 kHz– –
–1 2048 lines: •
–1 300 kHz System accuracy ± 20“ ± 1 LSB/± 50 LSB 512 lines: ± 60“; 2048 lines: ± 20“± 20“ ± 1 LSB/± 50 LSB 512 lines: 512 lines: ± 60“; 130 kHz; 2048 lines: 2048 lines: ± 20“1/20 of grating period 400 kHz– –– 0.39 µs • Flange socket M12, radial Cable 1 m, with M12 coupling Power supply*Current consumption
cal 3.6 to 14 V 5 µs • 3.6 to 14 V 3.6 to 14 V 5 µs– 3.6 to 14 V 5 V ± 10 %120 mA 10 to 30 V 10 to 30 V 5 V ± 10 %120 mA • Flange socket M23, radialCable 1 m, with M23 coupling or without connector 10 to 30 V 10 to 30 V Incremental signals None 150 mA 512 lines: 160 mA5 V ± 5 % or 1 V
PP2) 130 kHz; 2048 lines: 160 mA 400 kHz– ––– – None 180 mA 200 mA5 V ± 5 % or 1 V
PP2) 200 mA TTL 100 mA 150 mA HTL 1 V
PP2) without load • Line counts * –– – – 512 2048 512 – 512 2048 512 250
4) 500
4) 1000 1024 1250 2000 2048 2500 3600 4096 5000 Electrical connection*Flange socket M12, radial Cable 1 m, with M12 coupling Cutoff frequency –3 dBScanning frequency Edge separation a Cable 1 m, without connecting element••Shaft*Blind hollow shaft or hollow through shaft; D = 8 mm or D = 12 mmBlind hollow shaft or hollow through shaft; D = 8 mm or D = 12 mmMech. perm. speed n
3) 6000 min
–1 / 12 000 min
–1 5) 6000 min
–1 / 12 000 min
–1 5) Starting torque at 20 °Cbelow –20 °C Blind hollow shaft: 0.01 Nm Blind hollow shaft: 0.01 Nm Hollow through shaft: 0.025 Nm Hollow through shaft: 0.025 Nm 1 Nm 1 Nm Moment of inertia of rotor 4.3 · 10
–6 kgm
2 4.3 · 10
–6 kgm
2 Permissible axial motion of measured shaft ± 1 mm± 1 mm Vibration 55 to 2000 Hz 300 m/s
2 2 2 2 ; Flange socket version:
2 150 m/s
2 (EN 60 068-2-6) 300 m/s
2 ; Flange socket version:
2 150 m/s (EN 60 068-2-6) Shock 6 ms/2 ms 1000 m/s / 2000 m/s (EN 60 068-2-27) 1000 m/s / 2000 m/s (EN 60 068-2-27) Max. operating temp.
3) U
P = 5 V: 100 °C U
P = 10 to 30 V: 85 °C100 °C70 °C100 °C Min. operating temperature Flange socket or fi xed cable: –40 °C Flange socket or fi xed cable: –40 °C For frequent fl exing: –10 °C For frequent fl exing: –10 °C Protection EN 60 529IP 67 at housing; IP 64 at shaft inletIP 67 at housing (IP 66 with hollow through shaft); IP 64 at shaft inlet Weight (approx.) 0.3 kg0.3 kg Bold: These preferred versions are available on short notice
2) Restricted tolerances: Signal amplitude 0.8 to 1.2 V
4) PP3) 5) Not with ERN 480 *
1) Please indicate when ordering For the correlation between the operating temperature and the shaft speed or supply voltage, see With two shaft clamps (only for hollow through shaft) Velocity-dependent deviations between the absolute value and incremental signal General Mechanical Information

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