Selection of a safety sub-function via safe communication

The response times for the safe communication always relate to the safe protocol and not to the external interface of the safety option. All response times must be multiplied by the factor 1.002.

Calculation factor

Calculation specification response time

STO

T_InputProcessing_F-PO + 2 × T_Sys

SS1-t

T_InputProcessing_F-PO + 2 × T_Sys + SSx‑t delay t1 (8706.8)