S_Stw1 And S_Zsw1 (Extended/Advanced Functions) - Siemens SINAMICS S120 Function Manual

5.3.5.3

S_STW1 and S_ZSW1 (Extended/Advanced Functions)

Safety control word 1 (S_STW1)
S_STW1, output signals
see function chart [2842].
Table 5- 9 Description of safety-control word1 (S_STW1)
Byte Bit
0 0
1
2
3
4
5
6
7
1 0
1
2
3
4
5
6, 7
Signals not relevant for Extended Functions: It is not permissible that they are evaluated.
1)
Safety Integrated
Function Manual, 12/2018, 6SL3097-5AR00-0BP1
Meaning
STO
SS1
SS2
SOS
SLS
Reserved
SLP
1)
Internal Event ACK
SLA
Select SLS bit 0
Select SLS bit 1
Reserved
SDI positive
SDI negative
Reserved
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
1 Deselect SLA
0 Select SLA
– Select 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
Remarks
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