Step 2: Interlocking/locking of physical guards

Special safety tasks


Locking of doors, flaps, etc.


Locking of physical guards with temporary prevention of entry or access 

  • During operation, stopping, shutdown of a machine.
  • The machine function that presents a hazard takes too long to stop. 
  • A manufacturing process should not be interrupted. 


  • Allows the machine to complete the whole cycle to prevent additional downtimes, rejects and material wastage. 



Eliminate fault masking on your machines with sensor solutions from SICK

Why safety switches?

How to choose the right safety switch?

Flexi Soft from SICK: The modular safety controller that cleverly incorporates advantages

Flexi Loop from SICK: Smart series connection of sensors with detailed diagnostics



Step 3: Technologies

Safety locking devices


suitable safe control solutions