Siemens Sinamics S120 Function Manual page 184

Cont rol of the safety functions
5.3 Activation via PROFIsafe
Safety status word 1 (S_ZSW1)
S_ZSW1, input signals
see function diagram [2842].
Table 5- 8 Description of safety status word 1 (S_ZSW1)
Byte Bi t
0 0 STO active
1 SS1 active
2 SS2 active
3 SOS active
4 SLS active
5 Reserved
6 SLP active
7 Internal Event
1 0 Reserved
1 Active SLS level bit 0
2 Active SLS level bit 1
3 SOS selected
4 SDI positive active
5 SDI negative active
6 Reserved
7 SSM (speed)
184
Me a n i n g
1
0
1
0
1
0
1
0
1
0
–
1
0
–
1
0
–
–
–
1
0
1
0
1
0
–
1
0
R e m a rks
STO active
STO not active
SS1 active
SS1 not active
SS2 active
SS2 not active
SOS active
SOS not active
SLS active
SLS not active
–
SLP active
SLP not active
The status signal "SLP active" is not the same as the
diagnostic signal "SLP active" (r9722.6), but is the
AND logic operation of "SLP active" (r9722.6) and
"safely referenced" (r9722.23).
Internal event
No internal event
–
Display of the velocity limit for SLS (2 bits)
SOS selected
SOS deselected
SDI positive active
SDI positive not active
SDI negative active
SDI negative not active
–
SSM (speed below limit value)
SSM (speed higher than/equal to limit)
Function Manual, (FHS), 07/2016, 6SL3097-4AR00-0BP6
Safety Integrated