Selecting/Deselecting The Safe Operating Stop - Siemens Sinumerik 840D sl Function Manual

Safety functions integrated in the system/drive
6.2 Safe operating stop (SBH)
Figure 6-2 Standstill tolerance
Preconditions
The following conditions must be fulfilled:
S The option and functions must be enabled in the axis--specific machine data
S SGEs "SBH/SG deselection" and "SBH deselection" must be supplied in the
NCK and drive monitoring channel
6.2.1

Selecting/deselecting the safe operating stop

Selecting SBH
The safe operating stop function is selected using the following SGEs:
Table 6-1
SBH/SG
deselection
= 1
= 0
= 0
Note:
x --> Any signal state
1)
The active SG stage is displayed using SGA "SGA active bit 0" and "SG active bit 1".
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SINUMERIK 840D sl/SINAMICS S120 SINUMERIK Safety Integrated (FBSI sl) - - 10.2015 Edition
v
Standstill tolerance
Selecting/deselecting SBH
SGE SGA
SBH SBH
deselection active
x 0
= 0 1
= 1 0
= =
(actual value)
Meaning
SBH and SG are deselected
SBH is selected
SG is selected (see Chapter 6.5, "Safely redu-
1)
ced speed (SG)"),
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