The Allen-Bradley® GuardShield™ 450L safety light curtains are unlike traditional safety light curtains, which are based on separate transmitter and receiver units. Patented technology allows each transceiver to be used as a transmitter or receiver via an innovative plug-in module. The 450L-B is the basic model with on/off functionality. The advanced 450L-E model features integrated laser alignment, cascading, blanking, and integrated muting.

The enhanced Integrated Laser Alignment System (ILAS) of the GuardShield™ 450L-E reduces installation time by providing multiple visible laser points that optimize setup with a simple touch of the ILAS symbol on the front window of the stick. Plus, the compact design and full length protective field make it easy to integrate a GuardShield™ 450L-E system in hand and finger protection applications from 150 mm (5.9 in.) up to 1950 mm (76.7 in.) in increments of 150 mm (0.5 ft).

A cascading plug-in can also be installed for series connection of additional GuardShield™ 450L Safety Light Curtain systems for multi-sided machine guarding (up to four sides). All these special functions combined with the inherent flexibility of the GuardShield™ 450L transceiver design help to simplify your engineering logistics and minimize the stock required to address your full range of applications.

450L-B Features and Benefits:

• Patented technology allows each transceiver to be used either as a transmitter or receiver via an innovative plug-in module 
• Active protective field provides sensing over the entire length of a transceiver
• Wide range of protection heights 150…1950 mm (5.9…76.7 in.) in increments of 150 mm (0.5 ft)
• Compact design 30 mm x 30 mm (1.18 in. x 1.18 in.)
• Start mode, external device monitoring (EDM), scanning range are configured easily by DIP switches on the plug-in modules
• Two LEDs on the transceiver indicate the best alignment position
• Flexible mounting options allow for quick and easy installation
• Resolutions:
  • Finger resolution (14 mm): 0.5 to 4 m (1.64…13.12 ft)
  • Hand resolution (30 mm): 0.9 to 6.5 m (2.95…21.33 ft)

• Monitor and troubleshoot via Connected Components Workbench™ software 
• IP65 enclosure rating
• TÜV certified Type 4 IEC 61496-1/-2, Ple, SILcl3 per EN ISO 13849-1, IEC 62061

450L-E Features and Benefits:

• Extended features and functionality compared to the 450L-B such as cascading, built-in muting, blanking and multiple applications configuration
• Embedded functions configured quickly and easily via DIP switches or software, significantly reducing engineering effort.
  • These include: Muting, blanking, start mode, external device monitoring (EDM), scanning range
• Leverages patented transceiver technology – each stick can be used as a transmitter or receiver via innovative plug-in modules
• Enhanced Integrated Laser Alignment System (ILAS) for quick installation and reliable operation
• Active protective field provides sensing over the entire length of a transceiver
• Compact design 30 mm x 30 mm (1.18 in. x 1.18 in.)
• Wide range of protection heights 150…1950 mm (5.9…76.7 in.) in increments of 150 mm (0.5 ft)
• Resolutions:
  • Finger resolution: (14 mm): 0.5 to 9 m (1.64…29.53 ft)
  • Hand resolution (30 mm): 0.9 to 16.2 m (2.95…53.15 ft)

• Supports cascading of multiple systems in series 
• Flexible mounting options allow for quick and easy installation
• Configure, monitor and troubleshoot via Connected Components Workbench (CCW) software. Pre-configure multiple configurations. 
•  IP65 enclosure rating
• TÜV certified Type 4 IEC 61496-1/-2, Ple, SILcl3 per EN ISO 13849-1, IEC 62061

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