ISN4005 overall

Shaft diameter 5mm, synchronous flange, housing diameter 40mm.

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


Measure the speed and the rotational speed, textile machines, embroidery machines.

Output Waveform

90 Output phase difference, CW rotation

(CW rotation as seen from fit surface)

ISN4005 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

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.

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 100mA
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 100, 120,150,200,300,360,400,500,512,600,720, 800,900,960,1000,1024,1200,1250,1440,1500, 1800,2000,2048,2500 (other number of pulse available on request)
Output circuit Open collector NPN, Push pull, Voltage, Line driver
Mechanical Specifications
Speed without sealing 3000rmp
Rotor moment of inertia Appr. 3.5×10-6 Kgm2
Starting torque without sealing 1.5×10-3Nm (+25 C)
Maximum load permitted on shaft Radial 20N, Axial 10N
Shock resistance 980m/s2, 6ms, 2 hours each on XYZ
Vibration proof 50m/s2, 10~200Hz, 2 hours each on XYZ
Working life MTBF 10000h (+25 C, 2000rpm)
Weight Appr. 165g (with 1 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

ISN4005 -401 E 720 BZ1 12-24 F
Series Sequence Number Connection Number of Pulses Output Signals Supply Voltage Output Circuit

Selection Guide


ISN4005 dimensions

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

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