Process Data; S_Stw1 And S_Zsw1 (Basic Functions) - Siemens SINAMICS S120 Function Manual

5.3.5

Process data

5.3.5.1

S_STW1 and S_ZSW1 (Basic Functions)

Safety control word 1 (S_STW1)
S_STW1, output signals
see function chart [2806].
Table 5- 5 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 Basic Functions: Should be set to "0".
1)
Safety Integrated
Function Manual, 12/2018, 6SL3097-5AR00-0BP1
Meaning
STO
SS1
SS2
SOS
SLS
Reserved
SLP
Internal Event ACK
SLA
Select SLS bit 0
Select SLS bit 1
Reserved
SDI positive
SDI negative
Reserved
Remarks
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 –
1)
0
– –
0 –
1)
0
– –
Control of the safety functions
5.3 Activation via PROFIsafe
217