High-Reliability Personnel Protection: The SG4 Safety Series
Type 4 Safety and High-Resolution Detection
The Datalogic SG4-S3-080-PP-W is a state-of-the-art safety light curtain designed to provide the highest level of personnel protection (Type 4) in industrial manufacturing. With a protected height of 800mm and a specialized high-resolution beam pitch, it is specifically engineered for finger and hand detection applications. In hazardous zones such as robotic cells, pressing machines, and automated assembly lines, the SG4 series provides a non-physical barrier that instantly triggers a safety stop if any beam is interrupted, ensuring the highest standards of workplace safety and compliance with international machinery directives.
Optical Performance and Functional Safety
The SG4-S3-080-PP-W utilizes advanced optical technology to ensure reliable operation even in challenging industrial conditions. It features a robust range capability and high immunity to ambient light interference, such as weld flashes or overhead strobe lighting. The "PP" designation indicates the presence of dual PNP safety outputs, which are monitored for short circuits and cross-faults, providing a high-integrity link to safety PLCs or safety relay modules. The system’s internal self-diagnostics continuously verify the integrity of the emitter and receiver units, ensuring that the safety function is never compromised by internal hardware failure.

Simplified Installation and Maintenance
Datalogic has prioritized ease of integration with the SG4 series. The units feature a compact and rugged aluminum housing that can be easily mounted using standard brackets. Alignment is simplified by integrated LED indicators that provide visual feedback on the signal strength and beam synchronization. The "W" variant often includes specialized features for harsh environments or simplified wiring configurations. The absence of a separate control unit—as the safety logic is integrated directly into the light curtain—reduces cabinet space requirements and simplifies the overall safety system architecture.
Compliance and Industrial Reliability
The SG4-S3-080-PP-W is fully compliant with the latest global safety standards, including EN ISO 13849-1 and IEC 61508. Its robust mechanical construction and IP65 rating ensure stable performance in environments characterized by dust, moisture, and mechanical vibration. By utilizing the genuine Datalogic SG4-S3-080-PP-W safety barrier, plant managers ensure that their machinery operates within a secure and compliant safety envelope, protecting their most valuable asset—their workforce—while maintaining high operational efficiency through reliable safeguarding technology.




