ISA5208 overall

Shaft diameter 8mm , clamping flange, housing diameter 52mm.

Low price at high performance, small volume, light weight, easy for installing.


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)

ISA5208 rotation

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

Selection Guide (2)


ISA5208 dimensions

Motors described above are typical and can be customized upon request.

© Copyright 2024. Sinotech, Inc. All rights reserved.