Siemens Sinumerik 840D sl Function Manual page 205

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The useful (net) data of the safety function plus the safety measures are sent in a
standard data telegram. This does not require any additional hardware compo-
nents, since the protocol chips, drivers, repeaters, cables can still be used as they
are.
SINUMERIK Safety Integrated supports PROFIsafe V1 and PROFIsafe V2.
Communication profiles in accordance with IEC 61784
CP 3/1: PROFIBUS
CP 3/4: PROFINET CLASS A
CP 3/5: PROFINET CLASS B
CP 3/6: PROFINET CLASS C (IRT)
S V1 mode
This mode is designed for pure CP 3/1 networks (PROFIBUS DP).
S V2 mode
This mode has been designed for pure CP 3/4 -- CP 3/6 networks (Ethernet,
PROFINET), but can also be used for CP 3/1 networks (PROFIBUS DP).
Note
The designations F master and F slave for PROFIBUS DP are in this
documentation – also for the designations F host and the F device for PROFINET.
© Siemens AG 2015 All Rights Reserved
SINUMERIK 840D sl/SINAMICS S120 SINUMERIK Safety Integrated (FBSI sl) - - 10.2015 Edition
Connecting Sensors/Actuators
7.2 Connecting I/O via PROFIsafe
7-205