Siemens SINUMERIK 840D sl Function Manual page 306

Connecting sensors and actuators
8.6 Safe Brake Test (SBT)
Figure 8-37
SBC acceptance test
The safe brake test can be carried out under the acceptance test.
Figure 8-38
An overview of the recording can be obtained via the "Show trace" softkey.
306
Servo trace brake test
Acceptance test – safe brake test
Function Manual, 12/2017, 6FC5397-4BP40-6BA1
Safety Integrated