Siemens Sinumerik 840D sl Function Manual page 501

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Table 8-5
SG selection
Bit 1
= 0
= 0
= 1
=1
SGE gearbox ratio selection, bits 2, 1, 0
The combination of these signals determines the selected gearbox ratio 1, 2, ... , 8.
Table 8-6
SGE gearbox ratio selection
Bit 2
0
0
0
1
SGE SE selection
When this signal is appropriately activated, and the SE function is activated, either
SE1 or SE2 is selected.
0 signal:
1 signal:
SGE SG correction selection/override, bits 3, 2, 1, 0
16 overrides for the limit value of safely reduced speeds 2 and 4 can be defined
using the SGEs. This means that the limit values for SG2 and SG4 can be more
finely graduated.
An override factor of between 1 and 100% can be assigned to the selected
override using the following machine data:
for 840D sl:
MD36932: $MA_SAFE_VELO_OVR_FACTOR[n]
for SINAMICS S120:
p9532[n]: SI Motion, override factor
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SINUMERIK 840D sl/SINAMICS S120 SINUMERIK Safety Integrated (FBSI sl) - - 10.2015 Edition
Selecting speed limit values for SGs
SGE
SG selection
Bit 0
=0
=1
=0
=1
Gear ratio selection
Bit 1 Bit 0
0 0 Gearbox stage 1 is selected
0 1 Gearbox stage 2 is selected
1 0 Gearbox stage 3 is selected
... ...
1 1 Gearbox stage 8 is selected
SE1 is selected
SE2 is selected
8.6 Interface signals
Meaning
Speed limit value is selected for SG1
Speed limit value is selected for SG2
Speed limit value is selected for SG3
Speed limit value is selected for SG4
Meaning
Data Description
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