
53
Absolute
ECN 413 ECN 425 EQN 425 EQN 437
Interface
EnDat 2.2
Ordering designation EnDat01 EnDat22 EnDat01 EnDat22
Position values/rev 8 192 (13 bits) 33 554 432 (25 bits) 8 192 (13 bits) 33 554 432 (25 bits)
Revolutions – 4 096 (12 bits)
Elec. permissible speed/
Deviation
2)
1 500 min
–1
/± 1 LSB
12 000 min
–1
/± 50 LSB
15 000 min
–1
(for
continuous
position value)
1 500 min
–1
/± 1 LSB
12 000 min
–1
/± 50 LSB
15 000 min
–1
(for
continuous
position value)
Calculation time t
cal
Clock frequency
i 9 μs
i 2 MHz
i 7 μs
i 8 MHz
i 9 μs
i 2 MHz
i 7 μs
i 8 MHz
Incremental signals 1 V
PP
1)
– 1 V
PP
1)
–
Line count 2 048
Cutoff frequency –3 dB j 400 kHz – j 400 kHz –
System accuracy
± 20“
Electrical connection*
Cable 5 m, with or
without M23 coupling
Cable 5 m,
with M12 coupling
Cable 5 m, with or
without M23 coupling
Cable 5 m,
with M12 coupling
Voltage supply 3.6 V to 14 V DC
Power consumption
(maximum)
3.6 V: i600 mW
14 V: i 700 mW
3.6 V: i 700 mW
14 V: i 800 mW
Current consumption
(typical)
5 V: 85 mA (without load) 5 V: 105 mA (without load)
Shaft
Taper shaft 9.25 mm; taper 1:10
Mech. permiss. speed n i 15 000 min
–1
i 12 000 min
–1
Starting torque i 0.01 Nm (at 20 °C)
Moment of inertia of rotor 2.6 · 10
–6
kgm
2
Natural frequency of the
stator coupling
j 1800 Hz
Permissible axis motion of
measured shaft
± 0.5 mm
Vibration 55 to 2 000 Hz
Shock 6 ms
i 300 m/s
2
(EN 60 068-2-6)
i 2 000 m/s
2
(EN 60 068-2-27)
Max. operating temp.
100 °C
Min. operating temp.
Fixed cable: –40 °C
Moving cable: –10 °C
Protection EN 60 529 IP 64 when mounted
Weight
Approx. 0.25 kg
* Please select when ordering
1)
Restricted tolerances Signal amplitude: 0.8 to 1.2 V
PP
Asymmetry: 0.05
Amplitude ratio: 0.9 to 1.1
Phase angle: 90° ± 5° elec.
2)
Velocity-dependent deviations between the
absolute and incremental signals
Functional Safety for ECN 425 and EQN 437 upon request. For dimensions and specifi cations see the Product Information document.
Antriebsgeber_en_2013.indd 53 12.11.2013 06:55:26
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