Encoder Products for Accurate, Reliable Motion Feedback
When motion accuracy matters, reliable feedback is essential. The right encoder helps ensure precise speed and position monitoring—supporting consistent performance, repeatability, and system confidence across a wide range of applications.
Encoder Products Company (EPC) has been designing and manufacturing motion feedback devices since 1969, delivering encoders built for accuracy, durability, and dependable availability. All EPC encoders are manufactured in an ISO 9001:2015–certified facility in Idaho, USA, supporting applications where quality, consistency, and long-term reliability are non-negotiable.
Explore Our Encoder Products Solutions
Model A36R Absolute Encoder for Compact, High-Accuracy Feedback
When applications demand precise position data but space is limited, the A36R absolute encoder delivers reliable feedback in a compact form factor. Its slim profile simplifies integration into tight designs without sacrificing accuracy or performance.
Developed by Encoder Products Company (EPC), the A36R provides absolute position tracking to help eliminate homing routines and maintain consistent system awareness—even after power loss. TMMI works with EPC encoders to ensure proper selection and seamless integration within the complete motion system.
Well suited for applications requiring:
- High-resolution absolute feedback (single-turn or multi-turn)
- BiSS-C or SSI communication
- Compact 36 mm encoder with thru-bore options up to 10 mm
Model 260 Compact Thru-Bore Encoder for Flexible Machine Integration
When applications require a larger shaft opening but still demand a low-profile encoder, the Model 260 provides a practical, space-saving solution. Its compact design supports easy integration into motors and machinery without adding unnecessary bulk.
Developed by Encoder Products Company (EPC), the Model 260 is available in both blind hollow bore and full thru-bore configurations—giving designers flexibility to match mounting style to application needs. TMMI helps ensure the right encoder configuration is selected and integrated properly within the overall motion system.
Well suited for applications requiring:
- Larger bore sizes up to 0.625″ in a low-profile encoder
- Thru-bore or blind hollow bore mounting options
- Reliable commutation support for motor applications
- Simple, flexible mounting with long-term stability
- Proven Opto-ASIC technology and CE compliance options
Model TR1 Tru-Trac® for Reliable Linear Measurement Across Surfaces
Linear measurement becomes challenging when surfaces vary or mounting options are limited. The Model TR1 Tru-Trac® addresses both by combining the encoder, measuring wheel, and spring-loaded torsion arm into a single compact assembly that maintains consistent contact in any orientation.
Developed by Encoder Products Company (EPC), the TR1 supports accurate tracking of speed, position, and distance at operating speeds up to 3,000 feet per minute. TMMI applies the TR1 where simplified integration and dependable linear feedback are essential.
Designed to support:
- Accurate measurement across a wide range of surface types
- Vertical, horizontal, or inverted mounting configurations
- High-speed linear motion without loss of contact
- Reduced system complexity through an integrated measurement unit
Models 15S & 15T/H for Low-Profile, High-Performance Feedback
When space is limited but motion performance can’t be compromised, the Models 15S, 15T, and 15H provide dependable feedback in a compact form factor. Designed to support demanding motor and machine applications, these encoders balance accuracy, durability, and cost efficiency.
Built by Encoder Products Company (EPC), the 15S shafted and 15T/H hollow-bore options give designers flexibility in mounting while maintaining a slim, low-profile footprint. TMMI helps select and apply the right configuration to ensure reliable feedback and smooth integration within the overall motion system.
These models are commonly applied where:
- High-performance feedback is needed in tight spaces
- Shafted, thru-bore, or blind hollow bore mounting flexibility matters
- Simple, secure mounting supports faster installation
- Optional commutation improves brushless motor control
Absolute Encoders for Position Awareness—Even After Power Loss
Absolute encoders assign a unique digital value to each shaft position, allowing systems to retain position information without re-homing—even after power is removed.
What absolute encoders provide:
- Immediate position data at startup
- Single-turn or multi-turn position tracking
- Reliable operation through power cycles
Available from Encoder Products Company (EPC) in shafted, blind hollow bore, and thru-bore configurations.
TMMI helps select and integrate the right absolute encoder for the complete motion system.
BiSS-C for High-Speed, Real-Time Encoder Communication
When applications require fast, deterministic feedback without communication lag, BiSS-C provides a reliable real-time interface. It supports high-speed data transfer and flexible system integration—making it well suited for precision motion and automation environments.
TMMI helps apply BiSS-C where fast, accurate encoder data is critical to overall system performance.
Why BiSS-C is used in motion systems:
- Real-time position and speed feedback
- High data rates for dynamic applications
- Simple, robust communication architecture
CANopen® for Reliable, Standardized Motion Communication
When systems require dependable communication across multiple devices, CANopen® provides a proven, standardized framework built on CAN technology. It defines higher-layer protocols and device profiles that support consistent data exchange and predictable system behavior.
Why CANopen® is used in motion systems:
- Standardized communication across devices and manufacturers
- Reliable data exchange for control and feedback
- Well suited for distributed motion and automation architectures
TMMI helps apply CANopen® where stable, interoperable communication is essential to overall system performance.
SSI for Simple, Predictable Encoder Communication
Designed for direct communication between controllers and smart sensors, SSI is a simple serial protocol that delivers reliable, timing-based data transfer. Its point-to-point architecture avoids unnecessary overhead, making it a practical choice for encoder feedback where predictable communication matters.
TMMI applies SSI in motion systems that prioritize straightforward integration and consistent speed and position data.
EtherCAT® for High-Speed, Deterministic Motion Control
EtherCAT® is optimized for real-time process data, using standard IEEE 802.3 Ethernet frames to deliver fast, predictable communication across motion systems.
What EtherCAT® enables:
- High-speed, low-latency data exchange
- Deterministic performance for synchronized motion
- Efficient handling of process data over Ethernet
TMMI applies EtherCAT® where precise timing and real-time control are critical to system performance.
EtherNet/IP™ for Standardized Industrial Ethernet Communication
EtherNet/IP™ allows industrial systems to leverage standard Ethernet technology for reliable control and data exchange in automation environments.
TMMI applies EtherNet/IP™ where compatibility, network flexibility, and proven industrial communication are key system requirements.
What EtherNet/IP™ supports:
- Use of standard Ethernet in industrial automation
- Consistent communication across devices and networks
- Scalable system architectures for control and monitoring
PROFINET® for Scalable Industrial and Motion Communication
PROFINET® is widely adopted across industrial automation, supporting both general control tasks and time-critical motion applications through real-time communication options.
TMMI applies PROFINET® where scalable networking and reliable real-time performance are essential to the motion system.
How PROFINET® is applied:
- PROFINET RT for PLC-based control and standard automation
- PROFINET IRT for time-critical, synchronized motion applications
- Flexible integration across a wide range of industrial equipment
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