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Rockwell Automation released the new Allen-Bradley GuardShield 450L safety light curtain system, designed to be a more flexible, cost-effective solution that enhances safety while helping to improve productivity through more innovative transceiver technology.
Unlike more traditional safety light curtains based on pre-defined transmitter and receiver units, this next-generation light curtain system features a patented transceiver design that employs plug-in modules to establish each unit’s function as a transmitter or receiver. Once powered up, the transceiver learns its functionality from the plug-in module.
Five-pin plug-ins are available for basic on/off functionality, while eight-pin plug-ins provide manual and auto restart with external device monitoring (EDM). To help further simplify setup, advanced function settings are configured through dual in-line package (DIP) switches located on the plug-in module.
Suited for hand and finger detection, and offered in a broad range of protective heights, the light curtain system is also equipped with an active protective field that senses the entire length of the transceiver. This feature helps to reduce the inactive sensing areas that can appear at the top and bottom of other light curtains.
Unlike more traditional light curtain systems, the active sensing field and compact design allow customers to install the GuardShield 450L light curtain system inside a machine frame as opposed to outside of or on the machine. Additionally, flexible mounting kits and built-in alignment indication allow for quicker, less complex installations.
Keywords: Light Curtains, Transceiver Technology, External Device Monitoring (EDM), ARC Advisory Group.