Pepperl+Fuchs HiD2022 Series - Page 16

2017-09
16
Functional Safety HiD2022*, KFD2-STC5-(Ex)*, KFD2-STV5-(Ex)*
Planning
Functional Safety Connection Configuration for KFD2-***-(Ex)1.2O*
Devices
Figure 3.1 SIL 2 application
Figure 3.2 SIL 3 application
KFD2-***-(Ex)1.2O*
DCS 1/
ESD system 1
DCS 2/
ESD system 2
Output 1 Input A
Output 2 Input B
SIL 2 transmitter
KFD2-***-(Ex)1.2O*
ESD system
Output 1 Input A
Output 2 Input B
Compare input A + B
1oo2
deviation max. 2 %
SIL 3 transmitter
Note!
See corresponding datasheets for further information.