REXRTOH SYHNC100-NIB-24-P-D-E23-A012 Absolute Rotary Encoder

The REXRTOH SYHNC100-NIB-24-P-D-E23-A012, identified by the article number R900978416, is a precision absolute rotary encoder designed for demanding motion control applications. As part of the SYHNC series, this device provides high-resolution absolute position feedback via a robust Synchronous Serial Interface (SSI). Its construction features a non-intrusive bearing (NIB) design, ensuring long-term mechanical stability and reliability. Engineered for seamless integration into industrial automation systems, this encoder is a key component for achieving accurate angular positioning, velocity monitoring, and synchronization in machinery and robotic systems.

Key Features and Design Specifications

The model number reveals several key attributes of the SYHNC100-NIB-24-P-D-E23-A012 encoder:

• Absolute SSI Output: Delivers a unique digital position value with every revolution, eliminating the need for a homing routine after power loss.

• Non-Intrusive Bearing (NIB) Design: Features a mechanically robust design where the encoder's internal bearings are not part of the primary load path of the installed shaft, leading to higher longevity and reduced susceptibility to external mechanical stress.

• 24V DC Operation (24): Standard industrial supply voltage for easy integration into common control cabinet power systems.

• Push-Pull Output (P): Provides a differential output signal (compliant with RS-422) for the SSI data and clock lines, offering superior noise immunity over longer cable runs compared to single-ended signals.

• Single-Turn Resolution (Implied by model): Provides high-resolution positioning within one revolution, suitable for applications requiring precise angular control.

• E23 Connector: Specifies a particular, robust industrial electrical connector type for secure and reliable cable connection.

• Rugged Industrial Housing: Built to withstand typical industrial environmental challenges such as vibration, shock, and contamination.

Technical Specifications Overview

The following table decodes the primary technical specifications derived from the model nomenclature and typical product characteristics.

Typical Industrial Applications

This encoder is suited for a wide range of high-performance automation tasks:

• Servo Motor Feedback: Providing absolute position feedback for precise control of robotic joints, CNC axes, and pick-and-place units.

• Rotary Tables and Indexers: Ensuring accurate angular positioning in machining, assembly, and inspection stations.

• Printing and Converting Machinery: Synchronizing print cylinders and web tension control systems.

• Packaging Machinery: Controlling the position of cams, cutters, and fillers in intermittent motion machines.

• Material Handling: Monitoring the angle of crane jibs, slewing rings, or conveyor deflectors.

Conclusion

The REXRTOH SYHNC100-NIB-24-P-D-E23-A012 (R900978416) represents a robust and precise solution for absolute position sensing in industrial automation. Its combination of SSI communication, NIB mechanical design, and industrial-grade construction ensures reliable and accurate performance in challenging environments. By delivering immediate and trustworthy position data, it forms a fundamental component in systems where motion accuracy, repeatability, and operational efficiency are critical success factors. For specific installation dimensions, wiring diagrams, and resolution details, consulting the official technical data sheet is essential.