LEC-51.2B-S156A Sumtak Rotary Encoder (LEC–512B–S156A)
| Body Diameter |
66mm |
|---|---|
| Resolution |
512 PPR |
| Shaft Size |
8mm |
| Shaft Type |
Solid Shaft |
| Technology |
Incremental Encoder |
Sumtak LEC-51.2B-S156A Rotary Encoder | LEC-512B-S156A Incremental Encoder
Looking for the Sumtak LEC-51.2B-S156A incremental rotary encoder? This LEC-512B-S156A 512 PPR encoder delivers accurate position and speed feedback for CNC machines and servo motors. Order from EncoderMarket with global supply, competitive pricing, and expert support.
Brand: Sumtak
Model: LEC-51.2B-S156A
Alternative Code: LEC-512B-S156A
Product Category: Rotary Encoders
Encoder Type: Incremental Encoders
Origin: Made in Japan
Resolution: 512 P/R
Shaft Type: Solid Shaft
Shaft Diameter: 8mm
LEC-51.2B-S156A Sumtak Encoder – LEC-512B-S156A Incremental Rotary Encoder
LEC-51.2B-S156A Sumtak Rotary Encoder (LEC-512B-S156A) is a reliable incremental rotary encoder designed for precision motion control in CNC machines and industrial automation systems. Manufactured by Sumtak, a well-known Japanese producer of motion feedback devices, this encoder converts mechanical rotation into electrical pulse signals that allow controllers to determine position, direction, and rotational speed with high accuracy. Incremental encoders such as the LEC-51.2B-S156A are widely used in modern manufacturing equipment where precise motion feedback is required to maintain production accuracy and machine reliability.
High-Precision Motion Feedback for Industrial Machinery
The Sumtak LEC-51.2B-S156A encoder belongs to the LEC-51 series of incremental optical encoders. Encoders in this series typically provide 512 pulses per revolution (PPR) and use a push-pull (totem-pole) output circuit, allowing stable signal transmission in demanding industrial environments. The encoder features a solid shaft design with an 8 mm shaft diameter and a compact housing, enabling easy integration into servo motors, CNC machines, and various automation systems.
These specifications make the encoder suitable for applications where high-precision rotational feedback and reliable signal output are required. The robust mechanical structure ensures stable performance even under continuous industrial operation.
Reliable Incremental Encoder Technology
Incremental rotary encoders work by generating electrical pulses corresponding to the rotational movement of the shaft. Each pulse represents a specific angular movement, allowing the machine controller to calculate speed and position in real time. The LEC-512B-S156A encoder produces 512 pulses per revolution, providing accurate motion feedback suitable for servo control systems, CNC machines, and automated manufacturing equipment.
This technology ensures smooth motion control, synchronized machine movements, and improved operational efficiency across industrial applications.
Industrial Applications
The LEC-51.2B-S156A Sumtak rotary encoder is widely used in industrial automation systems where accurate rotational feedback is essential. Typical applications include CNC machining centers, servo motor feedback systems, robotics, automated production lines, packaging machinery, and textile machines. In these environments, the encoder continuously monitors shaft rotation and transmits position data to the control system, ensuring precise machine movements and stable process control.
Technical Specifications
| Specification | Details |
|---|---|
| Manufacturer | Sumtak |
| Model | LEC-51.2B-S156A |
| Alternative Model Code | LEC-512B-S156A |
| Encoder Type | Incremental Rotary Encoder |
| Resolution | 512 PPR |
| Output Circuit | Push-Pull (Totem Pole) |
| Shaft Type | Solid Shaft |
| Shaft Diameter | 8 mm |
| Typical Application | CNC Machines / Industrial Automation |
| Country of Origin | Japan |
Drawing
The following technical drawing illustrates the mechanical dimensions and mounting structure of the LEC-51.2B-S156A Sumtak rotary encoder (LEC-512B-S156A). This diagram provides a detailed view of the encoder housing, shaft configuration, and mounting hole layout used for installation in industrial machinery and CNC systems.
The encoder features a solid shaft design and circular flange mounting structure, allowing stable mechanical installation in servo motors and automation equipment. The front view shows the mounting hole arrangement and flange diameter, while the side view highlights the shaft position, housing body, and cable outlet. These dimensions allow engineers and maintenance technicians to verify compatibility before installation or replacement.
Rotary encoders in the Sumtak LEC-51 series are designed for durable industrial use and provide reliable motion feedback in demanding automation environments. The mechanical design ensures precise alignment, stable rotation detection, and long service life when installed correctly in machine assemblies.
Wiring Diagram
| Signal | Color |
| DC15V | Red |
| 0V | Black |
Reliable Encoder for CNC Maintenance
Rotary encoders are critical components in industrial machines because they provide the feedback necessary for accurate motion control. If an encoder becomes damaged or worn, machine positioning accuracy and productivity may be affected. The Sumtak LEC-51.2B-S156A encoder is often used as a replacement encoder in industrial machines to restore precise motion feedback and ensure stable machine performance.
Installing the correct encoder helps reduce machine downtime, maintain production accuracy, and extend the lifespan of CNC and automation equipment.
Global Supply of Sumtak Rotary Encoders
At EncoderMarket.com, we supply original Sumtak rotary encoders, including the LEC-51.2B-S156A (LEC-512B-S156A) model for industrial applications. Our company specializes in sourcing rotary encoders, resolvers, sensors, and motion control components used in CNC machines and industrial automation systems. With competitive pricing and worldwide shipping, EncoderMarket helps manufacturers and maintenance engineers quickly obtain the spare parts they need.
Featured Snippet
The LEC-51.2B-S156A Sumtak rotary encoder is an incremental motion feedback device that provides 512 pulses per revolution (PPR) for accurate position and speed detection in industrial machines. It converts shaft rotation into electrical pulse signals that allow CNC controllers and automation systems to monitor motion precisely. This encoder is commonly used in servo motors, CNC machines, and automated production equipment where reliable rotational feedback is essential.
FAQ – LEC-51.2B-S156A Sumtak Rotary Encoder
What is the LEC-51.2B-S156A Sumtak encoder used for?
The LEC-51.2B-S156A is an incremental rotary encoder used to provide position and speed feedback in CNC machines, servo motors, and industrial automation systems.
What does the LEC-512B-S156A model code mean?
LEC-512B-S156A is an alternative code used to identify the same encoder model in the Sumtak LEC-51 series with 512 pulses per revolution resolution.
Is the LEC-51.2B-S156A an incremental encoder?
Yes, the LEC-51.2B-S156A is an incremental optical encoder that generates electrical pulses corresponding to shaft rotation.
Where is the Sumtak LEC-51 encoder commonly used?
This encoder is commonly used in CNC machines, servo motors, robotics systems, textile machinery, and other industrial automation equipment.
Where can I buy the LEC-51.2B-S156A Sumtak rotary encoder?
The encoder can be sourced from industrial suppliers such as EncoderMarket, which provides worldwide supply of rotary encoders and motion control components.
