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Light Curtains and Safety Light Curtains
Light Curtains and Safety Light Curtains
Light curtains, also known as safety light barriers or optoelectronic protective devices, are non-contact safety components designed to safeguard personnel around hazardous machinery. These devices typically consist of a transmitter and receiver pair that create an array of synchronized infrared beams. Car...
Light Curtains and Safety Light Curtains
Light curtains, also known as safety light barriers or optoelectronic protective devices, are non-contact safety components designed to safeguard personnel around hazardous machinery. These devices typically consist of a transmitter and receiver pair that create an array of synchronized infrared beams. Carlo Gavazzi light barriers feature a 7-segment display for fault diagnosis and offer compact dimensions with protected heights ranging from 150 to 1650 mm. They are available in finger, hand, and body detection versions, with response times optimized for applications up to category 4 (PLe / SIL 3) per ISO 13849-1 and IEC 61496. Key technical parameters include resolution (14 mm for finger, 30 mm for hand, 50 mm for body), operating range up to 20 meters, and supply voltage of 24 VDC.
These safety light curtains are deployed in industrial automation environments such as assembly lines, robotic cells, packaging machinery, press brakes, and material handling systems. They are commonly integrated into machine guarding solutions to create protective fields around stamping presses, injection molding machines, and automated welding stations. Their compact design allows installation in tight spaces within control cabinets or directly on machine frames, while the 7-segment display simplifies alignment and troubleshooting during commissioning and maintenance.
The category includes subcategories such as Type 2 and Type 4 safety light curtains, with article codes like SG2-xxx-xxxx and SG4-xxx-xxxx series from Carlo Gavazzi. The code structure typically follows the pattern: SG[Type]-[Resolution]-[Protected Height]-[Range], where Type indicates safety level (2 or 4), Resolution is in millimeters (14, 30, 50), Protected Height ranges from 150 to 1650 mm, and Range denotes maximum operating distance. Key articles include the SG2-30-0600-20 for hand detection with 600 mm height and the SG4-14-0900-10 for finger detection with 900 mm height.
Electric Automation Network provides express worldwide shipping and specialized engineering support for all safety light curtain selections. Our engineers assist with risk assessment, resolution selection, and integration into safety circuits. We offer real-time pricing, technical documentation including wiring diagrams and EPLAN macros, and ensure compliance with global safety standards. Whether you need a standard Type 2 barrier for packaging or a high-resolution Type 4 system for robotic guarding, we deliver tailored solutions with fast turnaround.
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