Connecting sensors and actuators
8.6 Safe Brake Test (SBT)
Effectiveness of the torque limiting
Figure 8-35
①
When selecting the brake test, the holding torque required for the force due to the weight of
the axis is internally measured (m
②
The drive must only additionally provide the difference between this torque and the braking
torque from MD36966 $MA_SAFE_BRAKETEST_TORQUE. In the diagram, this torque is
designated m
③
For the non-automatic torque determination function, the following applies: The SINAMICS
drive sets its torque limits symmetrically around the torque from drive parameter p1532.
However, in the diagram the measured torque m
This is the reason that m
m
FXS
that parameterized in drive parameter p1532, m
$MA_SAFE_BRAKETEST_TORQUE.
294
Torque limiting for SINAMICS S120
.
Drive
from the diagram above is entered as torque limiting.
FXS
is the sum from m
and drive parameter p1532. If the measured torque m
Drive
).
Act
is less than p1532.
Act
becomes the value from the MD
FXS
Function Manual, 12/2017, 6FC5397-4BP40-6BA1
matches
Act
Safety Integrated