
Shaft diameter 8mm , clamping flange, housing diameter 52mm.
Low price at high performance, small volume, light weight, easy for installing.
Applications:
Suitable for measuring the length or speed of target by wheel types: (S1=200mm, S2=204mm, S3=300mm)
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
ZPhase: 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 postition of Z phase against A,B phase is not specified.
Technical Specifications
| Electrical specifications | |
|---|---|
| Output wave | Square wave |
| Output signals | A,B,Z (line driver output A,A,B,B,Z,Z phase) |
| Current consumption | 150mA |
| response frequency | 0~100KHz |
| Output phase difference | 90 45 |
| Supply voltage | 5V DC, 5-12V DC, 12-24V DC |
| Signal level | VH 85% Vcc, VL 0.3V |
| Number of pulses | 120,200,250,300,360,400,500,600,740,800, 900,1000,1024,1200,1500,1800,2000,2048, 2500,3000,3600 (other number of pulse available on request) |
| Output circuit | Open collector NPN, Push pull, Voltage, Line driver |
| Mechanical Specifications | |
| Speed without sealing | 5000rmp |
| Rotor moment of inertia | Appr. 7.5×10-6 Kgm2 |
| Starting torque without sealing | 4.0×10-3Nm (+25 C) |
| Maximum load permitted on shaft | Radial 75N, Axial 50N |
| Shock resistance | 980m/s2, 6ms, 2 hours each on XYZ |
| Vibration proof | 50m/s2, 10~200Hz, 2 hours each on XYZ |
| Working life | MTBF 25000h (+25 C, 2000rpm) |
| Weight | Appr. 440g (with 0.5 meter cable) |
| Environmental Specifications | |
| Working humidity | 30~85% (no condensation) |
| Storage temperature | -30 C~85 C |
| Working temperature | -10 C~70 C |
| Protection class | IP54 |
Terminal Assignment
| Signal | +5V | 0V | SIG A | SIG A | SIG B | SIG B | SIG Z | SIG Z | Shield |
|---|---|---|---|---|---|---|---|---|---|
| Cable Color | Red | Black | Green | Brown | White | Grey | Yellow | Orange | N.C |
| Note: Shield is attached to connector housing, 1 meter cable lengths (other cable lengths on order) |
Ordering Code
| ISA5208 | -401 | G | 300 | BZ1 | 5 | L |
|---|---|---|---|---|---|---|
| Series | Sequence Number | Connection | Number of Pulses | Output Signals | Supply Voltage | Output Circuit |
Dimensions
Motors described above are typical and can be customized upon request.


