System Structure - Siemens Sinumerik 840D sl Function Manual

Connecting Sensors/Actuators
7.2 Connecting I/O via PROFIsafe
7.2.2

System structure

Figure 7-10 System structure: SI I/O using F modules connected to PROFIBUS/PROFINET
Just like Safety Integrated, the PROFIsafe system structure also has a 2--channel
diverse system design based on the PLC and NCK--PROFIsafe layer.
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SINUMERIK 840D sl/SINAMICS S120 SINUMERIK Safety Integrated (FBSI sl) - - 10.2015 Edition
SINUMERIK 840D sl
PLC
PLC- -SPL
SPL- -SGE/SGA
DB18: INSEP/OUTSEP
Safety Integr.--
Layer
SI data
PROFIsafe--
Layer
Bus interface
Communi--
cation layer
DP/PN I/O
(ET 200S)
User communication
Safety Integrated comm.
PROFIsafe comm.
PROFIBUS/PROFINET comm.
NCK
NCK- -SPL
SPL- -SGE/SGA
$A_INSE/OUTSE
- -
Safety Integr.--
Layer
SI data
PROFIsafe--
Layer
PROFIBUS/PROFINET
DP/PN I/O
(ET 200S)
Standard DP module
F modules
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