p9530 SI Motion standstill tolerance (Control Unit)
Note
The width of the SBH tolerance window should be based on the standstill (zero speed)
monitoring limit - and should lie slightly above it. Otherwise, the standard monitoring functions
of the control could be ineffective. In this case, the encoder coarse position must be taken into
account for a 1-encoder system.
Figure 7-2
Preconditions
The following preconditions must be satisfied (see Chapter "System requirements (Page 41)"):
● The option and functions must be enabled in the axis-specific machine data
● SGEs "SBH/SG deselection" and "SBH deselection" must be supplied in the NCK and drive
monitoring channel
7.2.1
Selecting/deselecting the Safe Operating Stop
Selecting SBH
The Safe Operating Stop function is selected using the following SGEs:
SBH/SG se‐
lection
= 1
= 0
= 0
Note:
x → signal state is arbitrary
The active SG stage is displayed using SGA "SGA active bit 0" and "SG active bit 1".
1)
Safety Integrated
Function Manual, 12/2017, 6FC5397-4BP40-6BA1
Standstill tolerance
SGE
SGA
SBH dese‐
SBH active
lection
x
0
= 0
1
= 1
0
Safety functions integrated in the system/drive
7.2 Safe Operating Stop (SBH)
Meaning
SBH and SG are deselected
SBH is selected
SG is selected (see Chapter "Safely reduced speed
(SG) (Page 137)").
1)
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