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Optical Encoders
48 mm ,
Incremental, Cone Shaft, UVW Phase Type.
Cone blind and hollow shaft encoder, axis inside diameter Φ9mm, housing diameter Φ48mm, with flex bracket flange, easy for installing, low price at high performance.
Extensive to use for servomechanism, especially for servomotor.
| Output Waveform |
°90 Output phase difference, CW rotation
(CW rotation as seen from fit surface)
Square-wave accuracy: X1 + X2 = 1/2T ± 1/12T, X3 + X4 = 1/2T± 1/12T
Pitch error of period: ±0.01T
Pitch error of phase position: ≤1/18T
Z Phase: Tz=1/4T (1T,1/2T,1/4T...)
Period of pulses: T=360° /N (N: output pulses)
Signal accuracy: Xn=1/4T±1/12T (n=1,2,3,4)
A leads B clockwise when viewing the encoder shaft end.
The position of Z shaft against A,B phase is not specified.
Period of UVW phase: P=360° /N1±1.5°(N1=2p,3p,4p...)
Phase difference: Yn=P/6±1.5° (n=1,2,3,4,5,6)
Difference of phase Z and phase U: C≤±1°
Positional relationship of A&B phases and U, V&W phases are not specified.
| Technical Specifications |
| Electrical specifications | |
Output wave |
Square wave |
| Output signals | A,B,Z, U,V,W(line driver output A,A,B,B,Z,Z, U,U,V,V,W,W phase) |
| Current consumption | ≤160mA |
| response frequency | 0~120KHz |
| Output phase difference | 90°± 45° |
| Supply voltage | 5V DC |
| Signal level | VH ≥85% Vcc, VL ≤ 0.3V |
| Number of pulses | 1000,1024,2048(2P,3P,4P); 2000(2P,3P,4P,6P); 2500(2P,3P,4P,5P,6P) (other number of pulse available on request) |
| Output circuit | Line driver |
| Mechanical Specifications | |
| Speed without sealing | 6000rmp |
| Rotor moment of inertia | Appr. 4.0x10-6 Kgm2 |
| Starting torque without sealing | ≤2.5x10-3Nm (+25°C) |
| Shock resistance | 980m/s2, 6ms, 2 hours each on XYZ |
| Vibration proof | 50m/s2, 10~200Hz, 2 hours each on XYZ |
| Working life | MTBF ≥50000h (+25°C, 2000rpm) |
| Weight | Appr. 140g (with 0.35 meter cable) |
| Environmental Specifications | |
| Working humidity | 30~85% (no condensation) |
| Storage temperature | -40°C~110°C |
| Working temperature | -25°C~100°C |
| Protection class | IP54 |
| Terminal Assignment |
| Signal | +5V | 0V | SIG A | SIG A | SIG B | SIG B | SIG Z | SIG Z | SIG U | SIG U | SIG V | SIG V | SIG W | SIG W | Shield |
| Cable Color | Red | Bla | Gre | Bla/ Gre | Whi | Bla/ Whi |
Yel | Bla/ Yel |
Bro | Bla/ Bro |
Gre | Bla/ Gre |
Ora | Bla/ Ora |
N.C |
Note: Shield is attached to connector housing, 0.35 meter cable lengths (other cable lengths on order) |
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| Ordering Code |
| ICU4809 | 001 | G | 2000 | BZ1 | 6P | 5 | L |
| Series | Sequence Number | Connection | Number of Pulses | Output Signals | Periof of UVW Phase | Supply Voltage | Output Circuit |
| Dimensions |
Motors described above are typical and can be customized upon request.
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