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

5.3.4.4 S_ STW2 and S_ZSW2 (Extended Functions)
Safety control word 2 (S_STW2)
S_STW2, output signals
see function diagram [2843].
Table 5- 9 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
1
2
3
4
5 ... 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
Reserved
Select SLP position range
Reserved
Select gearbox stage, bit 0
Select gearbox stage, bit 1
Select gearbox stage, bit 2
Gearbox stage switchover
SS2E
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
– –
– –
1 Select SLP area 2 (SLP2)
0 Select SLP area 1 (SLP1)
– –
– Select gearbox stage (3 bits)
–
–
1 Deselect SS2E
0 Select SS2E
– –
Control of the safety functions
5.3 Activation via PROFIsafe
185