Siemens Sinamics S120 Function Manual page 186

Cont rol of the safety functions
5.3 Activation via PROFIsafe
Safety status word 2 (S_ZSW2)
S_ZSW2, input signals
see function diagram [2843].
Table 5- 10 Description of safety status word 2 (S_ZSW2)
Byte Bi t
0 0
1
2
3
4
5
6
7
1 0
1
2
3
4
5
6
7
186
Me a n i n g
STO active
SS1 active
SS2 active
SOS active
SLS active
Reserved
SLP active
Internal Event
Reserved
Active SLS level bit 0
Active SLS level bit 1
Reserved
SDI positive active
SDI negative active
Reserved
SSM (speed)
R e m a rks
1 STO active
0 STO not active
1 SS1 active
0 SS1 not active
1 SS2 active
0 SS2 not active
1 SOS active
0 SOS not active
1 SLS active
0 SLS not active
– –
1 SLP active
0 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).
1 Internal event
0 No internal event
– –
– Display of the velocity limit for SLS (2 bits)
–
– –
1 SDI positive active
0 SDI positive not active
1 SDI negative active
0 SDI negative not active
– –
1 SSM (speed below limit value)
0 SSM (speed higher than/equal to limit)
Function Manual, (FHS), 07/2016, 6SL3097-4AR00-0BP6
Safety Integrated