Siemens SINUMERIK 840D sl Function Manual page 534

Commissioning
10.2 Images of the user interface and softkeys
Safe Cams (SN)
With softkey "SN safe cams" the positions and assignments of the Safe Cams are displayed:
Figure 10-11
SBC
The "Safe Brake Control" function (SBC) is used to safely control holding brakes that function
according to the closed-circuit principle (e.g. motor holding brake).
The "SBC" softkey is reached by pressing the menu advance key. A wiring schematic for the
Safe Brake Control is displayed.
534
Safe software cams
Function Manual, 12/2017, 6FC5397-4BP40-6BA1
Safety Integrated