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Low-cost light curtain system for reduced risk applications

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article image The Ez-Screen Type 2 is independently powered and optically synchronised.

BANNER Engineering Corp., represented in Australia by Micromax Pty Ltd , has introduced its Ez-Screen Type 2 light screen system designed for lower risk Type 2 applications (per IEC61496-1/-2, Category 2 per EN954-1).

Lower risk applications are those that will not cause serious bodily harm. The danger is limited to minor, normally reversible injuries including bumping, bruising, knock down, trapping but not crushing, and superficial cuts and abrasions.

With its 30mm resolution, a hand or ankle is safely detected across long spans up to 15m.

"The Ez-Screen Type 2 expands Banner's offering of Type 4 safety light screens, grids, and points into applications that require reliable operator safeguarding without the added expense of a Type 4/Category 4 system," said technical manager for Banner's safety products, Mike Carlson. "The Ez-Screen Type 2 provides a solid safety solution for 30% less than comparable alternatives."

The Ez-Screen Type 2 systems provide reliable, effective and economical machine safeguarding.

Appropriate application examples for a Type 2 system include:

* Small assembly equipment

* Table-top robotic work cells

* Pick-and-place machines

* Small packaging machines

* Equipment and process protection (non-personnel safety)

* Supplemental safeguarding.

Several attributes of the EZ-SCREEN Type 2 make them easy to install and use, such as intuitive, visible status LEDs indicate power on, fault (flashing LED), beam alignment (top and bottom) and beam/output status (blocked or clear). Trip output model automatically resets when an interrupted beam is cleared and latch output model requires a manual reset once an interrupted beam is cleared.

The Ez-Screen Type 2 is a compact two-piece system that is independently powered and optically synchronised. It does not require a separate control box, only a self-contained emitter and receiver pair.

Dedicated trip or latch models eliminate the need for configuring or programming.

The system requires standard 8-pin Euro-style cables, which are available in 5m, 8m, 15m, 23m and 30m lengths.

As an optional hookup, splitters (Y-cables) can be used to further simplify hookup by providing a single ‘homerun’ cable and the ability to interchange emitter and receiver position without rewiring (for example, ‘swapability’).

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