GOS38A02 Incremental Rotary Encoder with Semi-Hollow Shaft & IP65

The GOS38A02 incremental rotary encoder is designed for precision motion control in industrial automation applications. Featuring a compact 38mm diameter and semi-hollow shaft, it delivers accurate position and speed feedback with resolutions up to 10,000 pulses per revolution.

  • Characteristic: Able to completely replace Tianjin Yike EB38A6 and Yierchuang El40A series
  • Resolution: The resolution can be up to: 10000P/R
  • Purpose: Printing machine, packing machine etc. automation, semi-automation control systems
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Description

The GOS38A02 incremental rotary encoder is designed for precision motion control in industrial automation applications. Featuring a compact 38mm diameter and semi-hollow shaft, it delivers accurate position and speed feedback with resolutions up to 10,000 pulses per revolution. Its robust IP65-rated construction guarantees reliable performance in harsh environments. Compatible with various PLCs and control systems, the GOS38A02 offers versatile output signals including open collector, push-pull, and line driver, ensuring seamless integration in conveyor, robotics, CNC, and packaging machines.

Key Features

  • Incremental optical rotary encoder with high-resolution options from 100 to 10,000 PPR

  • Semi-hollow shaft design (typically 8mm diameter) for direct motor installation and easy coupling

  • IP65-rated housing protects against dust and water ingress for industrial durability

  • Wide DC input voltage range from 5 to 24V for flexible system compatibility

  • Multiple output signal types: open collector (NPN), complementary push-pull, and 5V line driver differential signals

  • Anti-interference circuitry for stable, noise-resistant signal output

  • Compact 38mm outer diameter facilitating integration in tight mechanical assemblies

  • Long cable options with protective rubber sleeves available

Product Advantages

  • High-resolution measurement enabling precise speed and position control

  • Semi-hollow shaft supports easier installation and shaft alignment

  • Robust IP65 protection increases encoder longevity in tough environments

  • Versatile outputs support a wide range of industrial control applications

  • Enhanced signal noise immunity ensures consistent feedback in electrically noisy settings

  • Space-saving compact size suits applications with limited installation room

Product model and meaning

G0S38A022000C32M
Category of

product

Type of productForm of

main shaft

Contour of

product

Size of main  shaft,shaft holeOutlet and

sealing form

Outline

structure

ResolutionOutput formOutput signalCable
G:incremental

type

0:megneto-  electricityS:solid shaft38:φ38mm□:φ6mmA:side outlet rubber02:2outline

structure2

10,20,50,60,

100,200,360,

400,500,600,

800,1000,

1024,1200,

2000,2048,

2500,3000,

3600,5000

C:open collector output

F:complementary output

T:push pull output

L:5V drive output

A:24V drive output

1:phase Asignal

2:phase AB signal

3:phase ABZ signal

4:phase ABA/B/ signal

5:phase ABZA/B/Z/ signal

Default

2m

line,For

non 2m,

labeling is

sufficient

Wiring table

Line colorC/F output signalLine colorLoutput signal
brownVCCbrownVCC
blueGND
blueGND
blackA phase
blackA phasewhiteB phase
orangeZ phase
whiteB phase
black redAphase
orangeZ phasewhite redBphase
orange redZ phase
shieldF ·G
shieldF ·G

Output phase difference

complementary output/NPN collector open circuitoutput/push pull output1 (2)

long line drive output

1 (3)

Mechanical drawings(mm)

1 (1)

Product Parameter

1. Model / Series: GOS38A02
2. Product Type: Motor Shaft Encoder
3. Function: Speed, position, and direction feedback
4. Applications: Motors, CNC machines, conveyors, robotics, automation systems

Meta Description

Buy GOS38A02 Motor Shaft Encoder from a trusted supplier, manufacturer and factory. OEM/ODM custom service at wholesale price.

Product Details

The GOS38A02 Motor Shaft Encoder Supplier product is a rotary feedback device designed to convert motor shaft rotation into accurate electrical pulse signals. It helps industrial automation systems monitor speed, position, direction, and motion control status with stable performance.

This motor shaft encoder is widely used in motors, CNC machines, conveyors, packaging equipment, robotics, elevators, textile machinery, printing machines, and industrial control panels. It is suitable for industrial users, commercial users, electrical contractors, distributors, and bulk B2B procurement buyers.

As a professional GOS38A02 Motor Shaft Encoder Supplier, manufacturer, wholesaler, distributor, factory, and OEM/ODM partner, we provide stable quality, custom specifications, bulk supply, and competitive wholesale price solutions.

Key features include compact GOS38A02 design, accurate rotary feedback, stable signal output, fast response, easy installation, durable construction, and long service life for demanding industrial applications.

Application Scenarios

  • Industrial motor speed and position measurement for automation

  • CNC machinery for precision tool positioning and rotation feedback

  • Conveyor belt speed and position control in packaging lines

  • Robotics requiring accurate joint and axis feedback

  • Printing machines for synchronizing roller and sheet movements

  • Automated assembly lines demanding high reliability rotary feedback

Installation & Maintenance

  1. Verify shaft diameter and match with the semi-hollow 8mm encoder shaft for secure fitting.

  2. Align shafts carefully to prevent mechanical stress and ensure accurate feedback. Flexible coupling is recommended.

  3. Secure the encoder firmly with mounting screws to prevent vibrations or rotational movement.

  4. Connect the power supply between 5 to 24V DC, and wire output signals according to required interface (refer to wiring diagrams).

  5. Use shielded, twisted-pair cables wherever possible to minimize electromagnetic interference.

  6. Keep the encoder housing clean and free of dust buildup.

  7. Periodically inspect electrical connections for tightness and signs of wear.

  8. Replace the encoder promptly if signal integrity degrades or mechanical damage occurs.

FAQ

Q1: What is the GOS38A02 Motor Shaft Encoder used for?
It is used for motor speed measurement, position feedback, direction detection, and motion control in automation systems.

Q2: Are you a GOS38A02 Motor Shaft Encoder Supplier and manufacturer?
Yes, we are a factory supplier supporting wholesalers, distributors, electrical contractors, and industrial users.

Q3: Can the GOS38A02 Motor Shaft Encoder be customized?
Yes, OEM/ODM and custom options are available for shaft type, resolution, cable length, output signal, voltage, and connector type.

Q4: Do you offer wholesale price for distributors?
Yes, we provide competitive wholesale price options for distributors, wholesalers, and bulk B2B buyers.

Q5: Where can this motor shaft encoder be applied?
It is suitable for motors, CNC machines, conveyors, packaging equipment, robotics, elevators, and industrial control systems.

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