8. Safety-related functions and interfaces
MiR250 Dynamic Integrator Manual (en) 09/2023 - v.2.1 ©Copyright 2020–2023: Mobile Industrial Robots A/S. 76
Function name Description PFHd, PL, and
architecture
Overspeed Triggering event: The average speed
exceeding 2.07 m/s in forward direction or
1.3 m/s in reverse. In addition, the speed
difference between the drive wheels
exceeding 0.303 m/s.
l
0.303m/s while the robot is driving less
than 0.9m/s.
l
0.129m/s while the robot is driving more
than 0.9m/s.
See "Overspeed avoidance" on page82.
Reaction: Category 0 stop (IEC 60204) and
mechanical spring-applied brakes engage.
The robot enters Protective stop.
Reset function: Press the Resume button on
the robot.
PFHd:
2.82 × 10
-7
PL:
c
Architecture:
Category 3
Field switching
1
Triggering event: Changing the robot speed
to another case interval—see "Field switching
and Personnel detection" on page82.
Reaction: Activate the Protective field that is
suitable for the speed of the robot.
Reset function: Continuous function. No
action required.
PFHd:
4.01 × 10
-7
PL:
d
Architecture:
Category 3
1
If you modify the SICKconfiguration file or apply another SICKconfiguration files, the PFHd and PLno longer apply. You
must determine the new functional safety of the new configuration. This also applies if you apply MiR250Dynamic SICK
configuration.