1101578

Overview

The SICK WTB250-2N1151 is a photoelectric proximity sensor designed for industrial automation applications. It operates as a background suppression device, utilizing retro-reflective technology to detect objects against any background. The unit features an NPN output configured for PNP functionality or vice versa via selectable switching modes, ensuring compatibility with various PLC inputs. It includes integrated electronics for stable signal processing and offers protection ratings suitable for demanding factory environments.

Feature Summary

• Background suppression capability for consistent detection regardless of object color or reflectivity
• Selectable switching mode allowing flexible integration with different control system logic levels
• Integrated signal processing for reliable operation in electrically noisy industrial settings

Applications

• Automated packaging machinery object detection
• Conveyor belt presence sensing in logistics systems
• Assembly line component verification

Procurement Notes

Verify the specific suffix code matches the required electrical interface and cable configuration. Confirm that the mounting bracket and lens accessories are included if not purchased separately. Ensure the operating voltage range aligns with the existing control panel power supply specifications before finalizing the order.

Selection Notes

Choose this model when background interference is a concern due to its specialized suppression technology. Consider the sensing distance requirements relative to the target material properties. Evaluate the housing size constraints within the machine design to ensure proper physical installation without obstruction.

Part Context

This component belongs to the WTB250 series of photoelectric sensors from SICK AG. The series is engineered for robust performance in general industrial automation tasks. It complements other SICK safety and positioning devices within comprehensive factory automation architectures.

Replacement Considerations

Check for direct cross-references within the WTB250 family such as WTB250-2N1131 or WTB250-2N1141. Verify functional equivalence regarding switching mode and mounting dimensions before substitution.