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Uninterrupted safety in automated production processes

Automated material transportation into and out of hazardous areas can be secured via a variety of solutions in order to avoid hazards to people and to ensure productivity:

Solution option 1: Muting with safety light curtain, photoelectric safety switch, or safety laser scanner

 
Securing a machine with a muting system, comprising a protective device combined with muting sensors 
(e.g., photoelectric retro-reflective sensors). The placement of the muting sensors means that the material to be transported is detected as such and the protective device is given a time limit and bridged depending on the process. People are safely detected. Safety light curtains, multiple light beam safety devices, or safety laser scanners are suitable safety sensors.
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Solution option 2: Pattern detection with safety light curtain

 

A horizontal safety light curtain protects input and output points without muting sensors. With the self-teaching dynamic pattern detection, the safety light curtain can reliably differentiate between humans and material. Without any additional secondary sensors, it is able to reliably distinguish between permitted object patterns and, for example, a person's legs. The light curtain tolerates faults due to small objects, such as electric cables or foil residues which protrude into the protective field. This solution offers maximum safety combined with the highest availability.
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Industries/applications

  • All applications in which an automated material flow occurs and persons could be endangered by machine movement
  • Automotive industry
  • Wood industry
  • Consumer goods industry
  • Storage and conveyor
 
Customer benefits
  • A rise in productivity, as maximum material flow is ensured thanks to reliable human-material differentiation
  • High flexibility for process adaptation through additional functionalities in the protective device 
  • Higher flexibility through the detection of geometric object shapes by the light curtain solution 
  • Lower overall costs for the light curtain solution through the reduction of the maintenance costs, savings on additional sensors, and lower amounts of wiring work
  • Standardization, as only two material numbers are needed for the light curtain solution 
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