Safety systems for movement monitoring
Safe Interlocking

Your Benefits

  • Safeguarding of processes and people in a single solution to ensure maximum productivity
  • Easy integration into existing systems
  • Easy-to-expand solution (e.g., for several safety doors)
  • Extremely reliable safety components from SICK
  • Fewer downtimes due to safe monitoring of machine speed
  • Standstill monitoring using safety encoders satisfies all common standard requirements
  • Can also be used for maintenance work thanks to the reliable detection of the rotation speed
  • Safe speed and standstill monitoring with the aid of SOS optimizes process safeguarding


Safe Interlocking is the safety locking solution with standstill monitoring – designed for applications with high requirements when it comes to safeguarding processes and people. The safe standstill monitoring function only unlocks the locking device when the system has come to a standstill. Thanks to SOS (safe operating stop), the drive does not need to be disconnected from the power supply. Safe Interlocking saves valuable space and ensures maximum productivity: no unnecessary downtimes, while ensuring safe, cost-effective, and standard-compliant operation of the system. The “safe monitoring of machine speed” function can be used when carrying out maintenance. Proven safety components from SICK increase availability and avoid follow-up costs.

At a glance
  • Process-optimized safety door monitoring
  • Safe monitoring of machine speed
  • Easy configuration with function blocks
  • Available as a complete package or with components that can be selected individually
  • Integration into all common fieldbuses (optional)
  • Monitoring when door opens with SOS


Technical overview

  • Technical data overview

    Technical data overview

    Safety taskAccess protection
    ApplicationMovement monitoring
    Safety levelPL d
All technical data can be found accompanying the individual product