1047321

Overview

The SICK model 1047321 is a safety encoder designed for high-integrity position monitoring in industrial automation. It supports Safety Integrity Level SIL 3 according to IEC 61508 and Performance Level PL e per EN ISO 13849-1. The device operates within Category 3 or Category 4 depending on the specific configuration. It provides precise angular data transmission for machine safety functions, ensuring reliable shutdown capabilities when critical limits are exceeded.

Feature Summary

• Certified for SIL 3 and PL e safety integrity levels
• Supports Category 3 and Category 4 machine architectures
• Provides accurate positioning error limits for safety functions

Applications

• Rotary axis position monitoring
• Safety-related speed monitoring
• Machine tool spindle protection

Procurement Notes

Verify the exact safety configuration required for your application against the official SICK documentation. Confirm that the external evaluation unit achieves the necessary diagnostic coverage of 99% as specified in the technical details. Ensure the operating temperature range aligns with the PFH values provided for 40 °C and 80 °C to maintain certified performance.

Selection Notes

Select this component based on the required safety integrity level and category compatibility with the existing control system. Consider the mission time of 20 years and potential bearing lifetime limitations. Evaluate the safety-related accuracy requirements (0.09° for Cat 3, 0.35° for Cat 4) to ensure they meet the maximum positioning error limits of the specific machine unit.

Part Context

This part belongs to the SICK safety encoder family, engineered for direct integration into safety circuits. It replaces standard encoders where functional safety is mandatory. The device is manufactured in Germany and includes specific safety-related parameters defined by international standards such as IEC 61508 and EN ISO 13849-1.

Replacement Considerations

Consult relevant SICK branch offices for detailed configuration information regarding exact machine setups. No direct public substitute part numbers are confirmed in the available documentation.