Siemens Sinamics S120 Function Manual page 182

Cont rol of the safety functions
5.3 Activation via PROFIsafe
Safety status word 2 (S_ZSW2)
S_ZSW2, input signals
see function diagram [2806].
Table 5- 6 Description of safety status word 2 (S_ZSW2)
Byte Bi t
0 0
1
2
3
4
5
6
7
1 0
1
2
3
4
5
6, 7
2 0 ... 2
3
4, 5
6
7
3 0 ... 2
3
4
5
6
7
Signals not relevant for Basic Functions: Must not be evaluated.
1)
Only valid for CU310-2.
2)
182
Me a n i n g
STO active
SS1 active
SS2 active
SOS active
SLS active
Reserved
SLP active
Internal Event
Reserved
Active SLS level, bit 0
Active SLS level, bit 1
Reserved
SDI positive active
SDI negative active
Reserved
Reserved
SLP active position range
Reserved
Safe position valid
Safely referenced
F-DI 0 ... 2
2)
Reserved
SS2E active
SOS selected
SLP upper limit maintained
SLP lower limit maintained
R e m a rks
1 STO active
0 STO not active
1 SS1 active
0 SS1 not active
0 –
1)
0 –
1)
0 –
1)
– –
0 –
1)
1 Internal event
0 No internal event
– –
0 –
1)
0
– –
0 –
1)
0 –
1)
– –
– –
0 –
1)
– –
0 –
1)
0 –
1)
0 –
1)
– –
0 –
1)
0 –
1)
0 –
1)
0 –
1)
Function Manual, (FHS), 07/2016, 6SL3097-4AR00-0BP6
Safety Integrated