safety systems

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Across
  1. 3. A safety device that creates an invisible barrier of infrared beams — when interrupted, it stops the machine.
  2. 6. Type of safety device often used on cranes and conveyors to stop a machine immediately in hazardous situations.
  3. 8. A type of safety switch that prevents a machine from operating when a guard or door is open.
Down
  1. 1. A protocol used with PROFINET that ensures safe communication by adding CRC checks and telegram numbering.
  2. 2. Technology used in safety scanners that measures distance using laser beams to detect obstacles.
  3. 4. A button designed to immediately stop a machine in an emergency situation.
  4. 5. This principle in safety systems uses duplication (e.g., dual channels) to maintain operation even if one part fails.
  5. 7. A device that creates safety and warning zones by detecting objects using laser beams.