Leuze electronic RSL 430 - Protective Function of RSL 400 Safety Sensors; Parameters for Protective Function; Device and Monitoring Functions

Device description
Leuze electronic RSL 430 15
3.1.1 Protective function of RSL400 safety sensors
The safety sensor transmits periodic light pulses via a rotating deflection unit. The light pulses are scattered
in all directions by obstacles, e.g. persons. A part of the light pulses is received again by the safety sensor
and evaluated. The safety sensor calculates the precise position of the object from the propagation time of
the radiated light and the current angle of the deflection unit at that time. If the object is within a predefined
area, the protective field, the safety sensor performs a safety-related switching function. It switches the
safety-related switching outputs off.
Only when the protective field is free again does the safety sensor reset the safety-related switching func-
tion, either automatically or following acknowledgment, depending on the operating mode.
The safety sensor can even detect people when they are wearing very dark clothes, which have a very
weak diffuse reflectance.
3.1.2 Parameters for protective function
The following parameters for switching off the safety-related switching outputs of the safety sensor are
taken into consideration for the protective function:
• Configurable protective fields
• Reference contour of protective fields
• Configurable field pair changeover
• Selectable resolution for hand, leg or body detection
• Safety sensor response time
• Selectable start-up behavior
The following non-safety-oriented functions and signals also belong to the protective function:
• Configurable warning fields
• Configurable indication signals
Additional functions of the protective function
• Warning field evaluation
• Selectable dynamic contactor monitoring (EDM)
• E-Stop
Two protective functions function mode
• The safety sensor can be configured for two independent protective functions.
• If the safety sensor is configured for one protective function, an internal safe time delay can be selected
for switch-off of the second OSSD pair.
3.1.3 Device and monitoring functions
• Monitoring and release of field pair changeover
• Configurable output of the indication signals for the following functions groups:
• Protective function
• Warning messages
• Error messages
• Diagnosis
• Status messages