Siemens SINAMICS S120 Function Manual page 218

Control of the safety functions
5.3 Activation via PROFIsafe
Structure of telegram 902
Telegram 902 transfers the following user data:
● S_STW2
● Variable SLS limit (S_SLS_LIMIT_A)
● S_ZSW2
● Active SLS value of level 1 (S_SLS_LIMIT_A_ACTIVE)
● One count value (S_CYCLE_COUNT)
● The safe position value in 32-bit format (S_XIST32).
Telegram 902 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.
Note
Telegram 902 for SIEMENS products
STEP7 Safety in the TIA Portal can process this value. However, Distributed Safety in older
STEP 7 version cannot do this.
Structure of telegram 903
Telegram 903 transmits the following user data: S_STW2, S_SLS_LIMIT_A, S_ZSW2,
S_ZSW_CAM1 and S_SLS_LIMIT_A_ACTIVE.
Telegram 903 is structured as follows:
PZD1
PZD2
PZD3
PZD4
PZD5
216
Output data
S_STW2
S_SLS_LIMIT_A
–
–
Output data
S_STW2
S_SLS_LIMIT_A
–
–
Function Manual, 12/2018, 6SL3097-5AR00-0BP1
Input data
S_ZSW2
S_SLS_LIMIT_A_ACTIVE
S_CYCLE_COUNT
S_XIST32
Input data
S_ZSW2
S_ZSW_CAM1
S_SLS_LIMIT_A_ACTIVE
Safety Integrated