Hollow Shaft Rotary Encoder

The EC35 Hollow Shaft Rotary Encoder is a compact incremental rotary encoder featuring a 35mm hollow shaft structure and an integrated digital tube display in the center. Designed for applications that require precise rotary input and convenient visual indication, this encoder is suitable for car audio systems, automotive multimedia equipment, small household appliances, and other electronic control devices.

Available with different pulse and pin configurations, the EC35 provides flexible options for equipment manufacturers. Its rotational torque can also be customized according to application requirements, allowing the encoder to deliver either a light or heavy operating feel.

Product Specifications

Key Features of the EC35 Hollow Encoder

35mm Hollow Shaft Design

The EC35 features a 35mm hollow rotary structure that provides flexibility for equipment integration. The hollow design can be useful for applications where a rotary knob, shaft, or related mechanical structure needs to be integrated into a compact control panel.

Incremental Rotary Encoding

As an incremental encoder, the EC35 converts rotational movement into electrical pulse signals. The control system can process these signals to determine changes in rotary position and direction, making the encoder suitable for electronic adjustment and control functions.

Integrated Digital Tube Display

One of the distinctive features of this 35mm Hollow Encoder is the digital tube positioned in the center of the rotary structure. The display can provide a visual indication as part of the equipment's user interface, helping combine rotary control and display functions within a compact component.

Multiple Pin and Pulse Options

The EC35 is available in different configurations, including 3-pin and 4-pin versions. Pulse positioning options include 15P30 and 10P30, allowing manufacturers to select a configuration that matches their control system and product requirements.

Customizable Rotational Torque

Different applications require different knob operating feels. The EC35 supports light torque and heavy torque options, allowing the rotational resistance to be selected according to the user's operating preferences and equipment design.

30,000-Cycle Durability

The EC35 is designed with a durability rating of 30,000 cycles, making it suitable for electronic products that require repeated rotary operation. Actual service life can vary depending on operating conditions, installation, load, and usage frequency.

Available EC35 Encoder Configurations

How Does the EC35 Incremental Rotary Encoder Work?

The EC35 works by detecting rotational movement and generating incremental pulse signals. When the rotary control is turned, the internal contact mechanism changes the electrical state and produces corresponding output pulses.

The connected control circuit can interpret these pulses to identify rotary movement. Depending on the system design, the encoder can be used to adjust settings such as volume, mode selection, temperature, speed, or other user-controlled parameters.

Because the EC35 combines rotary input with a central digital display, it can help equipment designers integrate control and visual feedback into a relatively compact interface.

EC35 Hollow Encoder for Car Audio and Automotive Multimedia

The EC35 is particularly suitable for car audio rotary control applications. In automotive multimedia systems, rotary controls are commonly used for functions such as volume adjustment, menu navigation, mode selection, and other user interface operations.

The 35mm hollow structure provides a flexible mechanical configuration, while the integrated digital tube can be used to display selected information depending on the equipment design.

For automotive electronics manufacturers, the combination of rotary input, visual indication, compact structure, and customizable torque makes the EC35 a practical option for developing physical control interfaces.

Applications of the EC35 35mm Hollow Encoder

• Car Audio Systems: Used for volume adjustment, menu control, mode selection, and other rotary input functions.

• Automotive Multimedia: Suitable for control panels and user interfaces in vehicle entertainment systems.

• Small Household Appliances: Can be used for selecting operating modes, adjusting settings, and controlling appliance functions.

• Consumer Electronics: Suitable for electronic products requiring rotary user input and visual indication.

• Control Panels: Can be integrated into compact control interfaces where rotary operation is required.

• Customized Electronic Equipment: Suitable for OEM applications requiring specific pin, pulse, torque, or mechanical configurations.

Why Choose a Hollow Shaft Rotary Encoder?

A hollow shaft configuration can provide greater flexibility for mechanical integration compared with conventional solid-shaft structures. Depending on the equipment architecture, the hollow opening can accommodate related mechanical components and help designers develop a more integrated rotary control structure.

For applications with limited panel space, integrating multiple functions into one component can also simplify the overall interface design. The EC35 combines an incremental rotary encoder with a central digital display, making it possible to incorporate rotary input and visual indication into one control component.

Customization Options for OEM Applications

Different electronic products may require different operating characteristics. The EC35 can be configured with different pin numbers, pulse positioning specifications, and rotational torque options.

Manufacturers developing customized equipment can select the appropriate configuration according to their circuit design, mechanical structure, and user interface requirements. For OEM projects, it is recommended to confirm the required dimensions, electrical specifications, pulse configuration, torque feel, display requirements, and installation method before mass production.

How to Choose the Right EC35 Configuration?

When selecting an EC35 encoder configuration, manufacturers should first determine the required number of signal pins and the pulse positioning specification. The control circuit should be compatible with the selected encoder output configuration.

The required rotational torque should also be considered. A light torque version may provide a smoother and easier operating experience, while a heavy torque version can provide a more pronounced tactile feel during adjustment.

Finally, designers should confirm the available installation space and mechanical interface to ensure that the 35mm encoder can be properly integrated into the final product.

FAQ

What is the diameter of the EC35 encoder?

The EC35 is a 35mm hollow rotary encoder designed for applications requiring a compact rotary control structure.

Is the EC35 an incremental encoder?

Yes. The EC35 uses an incremental working principle and generates pulse signals according to rotational movement.

What pin configurations are available?

The EC35 is available in 3-pin and 4-pin configurations, depending on the required application and electrical design.

What pulse positioning options are available?

The available pulse positioning specifications are 15P30 and 10P30.

Can the rotational torque be customized?

Yes. The EC35 supports different rotational torque options, including light torque and heavy torque, according to application requirements.

Where is the EC35 commonly used?

The EC35 is mainly designed for applications such as car audio, automotive multimedia equipment, small household appliances, consumer electronics, and other rotary control systems.