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Functions
14.12 Safety Integrated
Description of function
Bit
00
01
02, 03 Reserved
04
05, 06 Reserved
07
08
09
10
11
12
13
14
15
16 ...
31
Bit
00
01
02, 03
04
05, 06
688
Safety Integrated
Explanation
Function
STO
1
0
SS1
1
0
–
SLS
1
0
–
Failsafe acknowl‐
0
edgment
1 → 0 Acknowledge "Internal event" for a 1 → 0 signal change
Reserved
–
SLS limit value bit
Select SLS limit val‐
0
ue
SLS limit value bit
1
Reserved
–
SDI positive active
1
0
SDI negative active 1
0
Reserved
–
SSM
1
0
Reserved
–
Safety status
Explanation
STO active
1
0
SS1 active
1
0
Reserved
–
SLS active
1
0
Reserved
–
Safety control word 2 (S_STW2)
Failsafe control → Converter
Deselect STO
Select STO
Deselect SS1
Select SS1
–
Deselect SLS
Select SLS
–
-
–
SLS1
SLS2
SLS3
SLS4
–
Deselect SDI with positive direction of rotation
Select SDI with positive direction of rotation
Deselect SDI with negative direction of rotation
Select SDI with negative direction of rotation
–
Deselect SSM
Select SSM
–
Safety status word 2 (S_ZSW2)
Converter → Failsafe control
STO is active
STO is not active
SS1 is active
SS1 is not active
–
SLS is active
SLS is not active
–
Operating Instructions, 04/2024, FW V6.2, A5E51781573B AB
Bit 1
Bit 0
0
0
0
1
1
0
1
1
SINAMICS G220 converter
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