GuardShield Safety Light Curtains -
The Allen-Bradley Guardmaster GuardShield Safety Light Curtain is an economical, fully featured, Type 4 safety light curtain in a uniquely styled housing. A Type 2 version is also available for low risk applications.

• Type 4 or Type 2 versions available
• Rugged housing - one of the strongest light curtains on the market
• 14mm or 30mm beam resolution
• 160mm to 1760mm protected height
• Fixed blanking—teachable
• Floating blanking—one or two beam Beam coding
• External Device Monitoring (EDM) Start/restart interlock
• Quick disconnect connection for simple installation and maintenance

• Maintenance-free operation
• Control-reliable solid-state outputs
• State of the art microprocessor technology with custom-designed ASICs (Application Specific Integrated Circuits)
• Easy assembly and alignment
• Quick-disconnect M23 style connectors
• Long scanning range and high resolution
• Small housing cross section: 40mm x 48mm (1.57in x 1.77in)
• Fast response time
• Possibility to daisy-chain up to three sensors (to prevent personnel from standing between protective field and the point of operation)
• Construction in compliance with EN 61496 Parts 1 & 2 Category 4 (self-checking)
• Resolution (object sensitivity) 14mm / 30mm
• Maximum height of protective field 1800mm (72in)
• Minimum height of protective field 300mm (12in)