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Overview

The SICK M20S-081A2A122 is a safety light curtain sensor designed for personnel protection in industrial environments. It features 81 vertical light beams with a resolution of 25 mm and a maximum scanning range of 16 mm. The device supports protective operation, beam coding, and external device monitoring (EDM) functions to ensure high safety integrity levels. It utilizes an M12, 8-pin male connector for power and data transmission, facilitating integration into automated machinery safety circuits.

Feature Summary

• Provides personnel protection through precise detection of intrusions within the safeguarded area using encoded light beams.
• Integrates external device monitoring capabilities to verify the functional status of downstream safety relays or controllers.
• Ensures reliable operation through built-in beam coding technology that prevents interference from ambient light sources.

Applications

• Personnel guarding at press brakes and stamping machines
• Safety zones around robotic work cells
• Protection at automated assembly stations

Procurement Notes

Verify the specific suffix codes on the ordering label to confirm the connector type and safety functions. Ensure the selected model matches the required resolution and height for the intended application. Cross-reference the order number with official SICK documentation to validate compatibility with existing safety controllers.

Selection Notes

Select this model based on the required beam resolution of 25 mm for hand protection or larger object detection. Confirm the need for EDM functionality if interfacing with external safety devices. Evaluate the mounting space constraints against the 16 mm scan range capability.

Part Context

This component belongs to the SICK M2000 Standard series of safety light curtains. This family is engineered for robust performance in harsh industrial settings, offering modular configurations to meet various safety standards and machine requirements.

Replacement Considerations

Direct substitutes include the M20E-081A2A122 variant, which shares identical electrical and functional specifications but may differ in housing material or environmental rating. Verify mechanical dimensions before installation.