11.03
3 Safety-Related Functions
3.5 Safely-reduced speed (SG)
© Siemens AG 2003 All Rights Reserved
SINUMERIK 840D/SIMODRIVE 611 digital SINUMERIK Safety Integrated (FBSI) - Edition 11.03
3-101
The active speed limit value (SG 1, 2, 3 or 4) is selected via SGEs "SG
selection bits 1 and 0". The desired override is selected by combining SGEs
"Override selection bits 3, 2, 1 and 0". The override is only valid for the speed
limit value for SG2 and SG4.
Table 3-26
Selecting SG override values for safely-reduced speeds
SGE
SG
Selection
Bit 1
SG
Selection
Bit0
SG
Override
Selection
Bit 3
SG
Override
Selection
Bit 2
SG
Override
Selection
Bit 1
SG
Override
Selection
Bit 0
Meaning
= 0
= 0
x
x
x
x
Speed limit value for SG1 active
= 0
= 1
= 0
= 0
= 0
= 0
Speed limit value for SG2 active
with override 0
- " -
= 0
= 0
= 0
= 1
... with override 1
- " -
= 0
= 0
= 1
= 0
... with override 2
- " -
= 0
= 0
= 1
= 1
... with override 3
- " -
= 0
= 1
= 0
= 0
... with override 4
- " -
= 0
= 1
= 0
= 1
... with override 5
- " -
= 0
= 1
= 1
= 0
... with override 6
- " -
= 0
= 1
= 1
= 1
... with override 7
- " -
= 1
= 0
= 0
= 0
... with override 8
- " -
= 1
= 0
= 0
= 1
... with override 9
- " -
= 1
= 0
= 1
= 0
... with override 10
- " -
= 1
= 0
= 1
= 1
... with override 11
- " -
= 1
= 1
= 0
= 0
... with override 12
- " -
= 1
= 1
= 0
= 1
... with override 13
- " -
= 1
= 1
= 1
= 0
... with override 14
- " -
= 1
= 1
= 1
= 1
... with override 15
= 1
= 0
x
x
x
x
Speed limit value for SG3 active
= 1
= 1
= 0
= 0
= 0
= 0
Speed limit value for SG4 active
with override 0
- " -
= 0
= 0
= 0
= 1
... with override 1
- " -
= 0
= 0
= 1
= 0
... with override 2
- " -
= 0
= 0
= 1
= 1
... with override 3
- " -
= 0
= 1
= 0
= 0
... with override 4
- " -
= 0
= 1
= 0
= 1
... with override 5
- " -
= 0
= 1
= 1
= 0
... with override 6
- " -
= 0
= 1
= 1
= 1
... with override 7
- " -
= 1
= 0
= 0
= 0
... with override 8
- " -
= 1
= 0
= 0
= 1
... with override 9
- " -
= 1
= 0
= 1
= 0
... with override 10
- " -
= 1
= 0
= 1
= 1
... with override 11
- " -
= 1
= 1
= 0
= 0
... with override 12
- " -
= 1
= 1
= 0
= 1
... with override 13
- " -
= 1
= 1
= 1
= 0
... with override 14
- " -
= 1
= 1
= 1
= 1
... with override 15
x: Signal status is optional since override values are not effective for SG1 and SG3
NCK SGEs (override selection bits 3, 2, 1, 0) are configured using the following
machine data:
Selecting SG
overrides
Configuring
NCK SGEs
