1121081

Overview

The SICK part number 1121081 corresponds to the M20S-04130A122 safety light curtain. This device features a single beam configuration with a vertical resolution of 130 mm and a maximum scanning range of 4300 mm. It supports protective operation, beam coding, and external device monitoring (EDM). The unit utilizes an M12, 8-pin male connector for interface connectivity.

Feature Summary

• Supports protective operation mode with integrated beam coding for reliable detection
• Includes external device monitoring (EDM) functionality for safety circuit verification
• Designed for high-resolution object detection within specified scanning ranges

Applications

• Industrial machine guarding applications requiring personnel protection
• Safety zones around automated manufacturing equipment
• Access control points in industrial automation systems

Procurement Notes

Verify that the specific order code matches the required scanning range and resolution for your application. Confirm connector type compatibility with existing cabling infrastructure. Ensure the device meets the necessary safety integrity level requirements for the intended machinery environment before procurement.

Selection Notes

Select this model based on the required 130 mm resolution and up to 4300 mm field of view. Consider the M12 connector interface when planning wiring layouts. Evaluate the need for EDM support if integrating with complex safety relay circuits or PLC-based safety architectures.

Part Context

This component belongs to the M20 series of safety light curtains manufactured by SICK. The series is designed for industrial safety applications, offering various resolutions and field sizes. The M20S variant specifically denotes the sender unit within the paired transmitter-receiver system architecture.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.