Siemens SINAMICS S120 Function Manual page 224

Control 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- 10 Description of safety status word 1 (S_ZSW1)
Byte Bit
0 0
1
2
3
4
5
6
7
1 0
1
2
3
4
5
6
7
Signals not relevant for Extended Functions: It is not permissible that they are evaluated.
1)
222
Meaning
STO active
SS1 active
SS2 active
SOS active
SLS active
Reserved
SLP active
1)
Internal Event
SLA active
Active SLS level bit 0
Active SLS level bit 1
SOS selected
SDI positive active
SDI negative active
Reserved
SSM (speed)
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
1 SLA active
0 SLA not active
– Display of the speed limit for SLS (2 bits)
–
1 SOS selected
0 SOS deselected
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, 12/2018, 6SL3097-5AR00-0BP1
Remarks
Safety Integrated