Technical data
Safety Integrated Functions   
8.6 Controlling the safety functions 
  Function Manual 
426  Function Manual, 06/2012, 6SL3097-4AB10-0BP4 
Structure of telegram 30 (Extended Functions) 
PROFIsafe control word (STW) 
S_STW1, PZD1 in telegram 30, output signals 
See function diagram [2840]. 
Table 8- 18  Description of the PROFIsafe STW 
Bit  Meaning  Remarks 
1  Deselect STO 0  STO 
0  Select STO 
1  Deselect SS1 1  SS1 
0  Select SS1 
1  Deselect SS2 2  SS2 
0  Select SS2 
1  Deselect SOS 3  SOS 
0  Select SOS 
1  Deselect SLS 4  SLS 
0  Select SLS 
5  Reserved  -  - 
6  Reserved  -  - 
1/0  Acknowledgment 7  Internal Event ACK 
0  No acknowledgment 
-  - 8  Reserved 
-  - 
9  Select SLS bit 0  - 
10  Select SLS bit 1  - 
Selection of the speed limit for SLS (2 bits) 
11  Reserved  -  - 
12  SDI positive  1  Deselect SDI positive 
    0  Select SDI positive 
13  SDI negative  1  Deselect SDI negative 
    0  Select SDI negative 
14, 15  Reserved  -  - 










