Siemens Sinamics S120 Function Manual page 178

Cont rol of the safety functions
5.3 Activation via PROFIsafe
Structure of telegram 31
Telegram 31 transfers safety control word 2 (S_STW2) and safety status word 2 (S_ZSW2)
as user data. It is structured as follows:
PZD1
PZD2
Structure of telegram 901
Telegram 901 transfers the S_STW2, the variable SLS limit (S_SLS_LIMIT_A), the S_ZSW2,
the active SLS value of level 1 (S_SLS_LIMIT_A_ACTIVE), a counter value
(S_CYCLE_COUNT) and the safe position value in 16-bit format (S_XIST16) as user data. It
is structured as follows:
PZD1
PZD2
PZD3
PZD4
PZD5
Structure of telegram 902
Telegram 902 transfers the S_STW2, the variable SLS limit (S_SLS_LIMIT_A), the S_ZSW2,
the active SLS value of level 1 (S_SLS_LIMIT_A_ACTIVE), a counter value
(S_CYCLE_COUNT) and the safe position value in 32-bit format (S_XIST32) as user data. It
is structured as follows:
PZD1
PZD2
PZD3
PZD4
PZD5
PZD6
Telegram 902 can only be used, if the higher-level controller (F-host) can process 32-bit
values.
Not e
Telegram 902 f or SIEMENS products
STEP 7 Safety in the TIA Portal can process this value. However, Distributed Safety in older
STEP 7 version cannot do this.
178
Ou tput data
S_STW2
Ou tput data
S_STW2
S_SLS_LIMIT_A
–
–
Ou tput data
S_STW2
S_SLS_LIMIT_A
–
–
Function Manual, (FHS), 07/2016, 6SL3097-4AR00-0BP6
In put data
S_ZSW2
In put data
S_ZSW2
S_SLS_LIMIT_A_ACTIVE
S_CYCLE_COUNT
S_XIST16
In put data
S_ZSW2
S_SLS_LIMIT_A_ACTIVE
S_CYCLE_COUNT
S_XIST32
Safety Integrated