S_Stw1 And S_Zsw1 (Extended Functions) - Siemens Sinamics S120 Function Manual

5.3.4.3 S_ STW1 and S_ZSW1 (Extended Functions)
Safety control word 1 (S_STW1)
S_STW1, output signals
see function chart [2842].
Table 5- 7 Description of safety-control word1 (S_STW1)
Byte Bi t
0 0
1
2
3
4
5
6
7
1 0
1
2
3
4
5
6, 7
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
R e m a rks
1 Deselect STO
0 Select STO
1 Deselect SS1
0 Select SS1
1 Deselect SS2
0 Select SS2
1 Deselect SOS
0 Select SOS
1 Deselect SLS
0 Select SLS
– –
1 Deselect SLP
0 Select SLP
1/0 Acknowledgment
0 No acknowledgment
– –
– Selection of the speed limit for SLS (2 bits)
–
– –
1 Deselect SDI positive
0 Select SDI positive
1 Deselect SDI negative
0 Select SDI negative
– –
Control of the safety functions
5.3 Activation via PROFIsafe
183