S_Stw2 And S_Zsw2 (Basic Functions) - Siemens Sinamics S120 Function Manual

5.3.4.2 S_ STW2 and S_ZSW2 (Basic Functions)
Safety control word 2 (S_STW2)
S_STW2, output signals
see function diagram [2806].
Table 5- 5 Description of safety-control word 2 (S_STW2)
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 ... 7
3 0 ... 3
4
5, 6, 7
Signals not relevant to Basic Functions should be set to "0".
1)
Safety Integrated
Function Manual, (FHS), 07/2016, 6SL3097-4AR00-0BP6
Me a n i n g
STO
SS1
SS2
SOS
SLS
Reserved
SLP
Internal Event ACK
Reserved
Select SLS bit 0
Select SLS bit 1
Reserved
SDI positive
SDI negative
Reserved
Reserved
Select SLP position range
Reserved
Reserved
SS2E
Reserved
R e m a rks
1 Deselect STO
0 Select STO
1 Deselect SS1
0 Select SS1
0 –
1)
0 –
1)
0 –
1)
– –
0 –
1)
1/0 Acknowledgment
0 No acknowledgment
– –
0 –
1)
0
– –
0 –
1)
0 –
1)
– –
– –
0 –
1)
– –
– –
0 –
1)
– –
Control of the safety functions
5.3 Activation via PROFIsafe
181