Input name Function
Inhibit Motion bits reaction The signal comes from component S
APP-FB Safe Position. The signal
prevents unintended switching off during the self-test of the safety
system.
1
The S
afe Stop function block triggers a fault while the override function or Sensor2 test is active.
As this is a permitted status that is monitored, the stop request is not forwarded to the drive. In this case,
the Safe Stop function block detects a ramp fault. This is automatically reset by the software following an
override function or Sensor2 test once the function has been processed successfully.
Table 36: Outputs of the function block
Output name Function
Enable torque This safety signal deactivates the drive’s torque. The signal is
t
ransmitted to the CPU logic and has an impact on the safe out‐
puts (dual-channel output signal switching device).
Enable brake This safety signal switches off the energy supply for the optional
br
ake. The signal is transmitted to the CPU logic and has an
impact on the safe outputs (dual-channel output signal switching
device).
Stop request This signal triggers the stop ramp of the drive. The signal is trans‐
mitted to the CPU logic and is forwarded either to the process con‐
troller or to the drive directly.
7.3.7.1 Safe Stop - Stop Ramps function block
1. Move the mouse cursor to the S
afe Stop function block.
2. Double-click on the function block.
✓
The view opens. The window containing the settings for the function block will
appear.
The Stop Ramps function block monitors the actual reduction in speed until the drive
comes to a standstill. The ramp settings will depend on the application and the compo‐
nents in use (e.g., the drive).
Refer to the Flexi Soft Designer operating instructions for further details on how to con‐
figure safe ramp monitoring. The screenshot below shows the standard configuration,
with ramp monitoring deactivated.
7 C
ONFIGURATION
46
O P E R A T I N G I N S T R U C T I O N S | Safe Linear Positioning 8020941/12O9/2019-08-05 | SICK
Subject to change without notice
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