Siemens SINUMERIK 840D sl Function Manual page 158

Safety Functions Integrated in the System/Drive
6.5 Safely reduced speed (SG)
Table 6-15 Selecting the SG override for safely reduced speed
SG SG SG
selec- selec- override
tion tion selection
Bit 1 Bit0 Bit 3
– " – = 1
– " – = 1
– " – = 1
– " – = 1
– " – = 1
= 1 = 0 x
= 1 = 1 = 0
– " – = 0
– " – = 0
– " – = 0
– " – = 0
– " – = 0
– " – = 0
– " – = 0
– " – = 1
– " – = 1
– " – = 1
– " – = 1
– " – = 1
– " – = 1
– " – = 1
– " – = 1
x: Signal status is optional since override values are not effective for SG1 and SG3
Configuring NCK–SGEs
NCK–SGEs (override selection bits 3, 2, 1, 0) are configured using the following
machine data:
for 840D sl:
MD 36978: $MA_SAFE_OVR_INPUT[n]
6-158
SINUMERIK 840D sl/SINAMICS S120 SINUMERIK Safety Integrated (FBSI sl) – 05.2008 Edition
SG SG
override override
selection selection
Bit 2 Bit 1
= 0 = 1
= 1 = 0
= 1 = 0
= 1 = 1
= 1 = 1
x x
= 0 = 0
= 0 = 0
= 0 = 1
= 0 = 1
= 1 = 0
= 1 = 0
= 1 = 1
= 1 = 1
= 0 = 0
= 0 = 0
= 0 = 1
= 0 = 1
= 1 = 0
= 1 = 0
= 1 = 1
= 1 = 1
(input assignment for override selection)
SG Description
override
selection
Bit 0
= 1 ... with override stage 11
= 0 ... with override stage 12
= 1 ... with override stage 13
= 0 ... with override stage 14
= 1 ... with override stage 15
x Speed limit value for SG3
active
= 0 Speed limit value for SG4
active with override stage 0
= 1 ... with override stage 1
= 0 ... with override stage 2
= 1 ... with override stage 3
= 0 ... with override stage 4
= 1 ... with override stage 5
= 0 ... with override stage 6
= 1 ... with override stage 7
= 0 ... with override stage 8
= 1 ... with override stage 9
= 0 ... with override stage 10
= 1 ... with override stage 11
= 0 ... with override stage 12
= 1 ... with override stage 13
= 0 ... with override stage 14
= 1 ... with override stage 15
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05.08