Siemens SIMATIC CP 541 Manual page 59

Result
Communications Processor CP 541
EWA 4NEB 812 6188-02
With the data in this example, a safety-related connection can be established
between the two programmable controllers via SINEC L2, using the CP 541,
because both the safety time of Station 1 and safety time for receiving of Sta-
tion 2 are less than the specified value.
CP 541 with S5-95F/S5-1 15F
5-23