Light curtain widens safety applications
SICK is extending the benefits of its innovative miniTwin light curtain technology to a much wider audience, with the launch of the miniTwin 2, a cost-effective solution that meets level 'd' SIL2 safety requirements. This latest addition to the miniTwin family incorporates sender and receiver elements in a single miniature housing for continuous end-to-end field coverage.
SICK (UK) safety specialist Seb Strutt comments: "The miniTwin 2 provides a unique solution where traditional light curtains would be too big and awkward to install. It means that light curtain protection can be extended to a wide range of new applications and configurations, at a competitive price point." The new modular SICK miniTwin 2 units are 120-1200mm long and can be cascaded or daisy chained end-to-end to 3600mm without any blind spots.
Rapid response times permit safety monitoring with reduced reach distances for operators and therefore smaller machine footprints. Field coverage is continuous between adjacent units without loss of resolution or requiring special mountings or physical protection between curtains.
The miniTwin 2 units may be configured to protect L- shapes, V-shapes or even U-shapes, combining easy access to a work piece or to change tool bits or jigs, while offering complete protection. They are ideal where all round accessibility and visibility is required which is otherwise restricted by fixed barriers. Variable field lengths are possible to suit locations.
Each miniTwin 2 unit includes both send and receive functions and the inbuilt controls and LED status indication means any two identical units operate as a light curtain, without any requirement for an extra control unit. This allows spares to be stocked as single units.
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