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

5.3.5.2

S_STW2 and S_ZSW2 (Basic Functions)

Safety control word 2 (S_STW2)
S_STW2, output signals
see function diagram [2806].
Table 5- 7 Description of safety-control word 2 (S_STW2)
Byte Bit
0 0
1
2
3
4
5
6
7
1 0
1
2
3
4
5
6, 7
2 0 ... 2
3
4 ... 6
7
3 0
1
2
3
4
5, 6, 7
Signals not relevant to 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 active
Select SLS bit 0
Select SLS bit 1
Reserved
SDI positive
SDI negative
Reserved
Reserved
Select SLP position range
Reserved
SCA
Select gearbox stage, bit 0
Select gearbox stage, bit 1
Select gearbox stage, bit 2
Gearbox stage switchover
SS2E
Reserved
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 –
1)
– –
– –
0 –
1)
– –
0 –
1)
0 –
1)
0 –
1)
0 –
1)
0 –
1)
0 –
1)
– –
Control of the safety functions
5.3 Activation via PROFIsafe
Remarks
219