The communications connection to the field devices remains established, even when an FF
cable or a module fails. The AFD or AFS automatically switches the connection to the available
signal path.
))GHYLFH
))GHYLFH
))GHYLFH
PD[0ESV
,0))
,0))
)'&
)'&
%XV
%XV
)281'$7,21)LHOGEXV
NELWV
352),%86'3
&38
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&38
&3
$)'$)'$)'
Figure 4-8 Schematic view for the installation with FF Link (2x IM 153‑2 FF, 2 x FDC 157)
Additional information
● Section "Connecting the FOUNDATION Fieldbus to PROFIBUS DP (Page 87)"
● Section "Configuring a bus link for FF and compact FF segment (Page 148)"
● Documentation
SIMATIC; Process Control System PCS 7; PCS 7 Readme
● Operating Instructions
SIMATIC; Bus Link; Compact FF Link
● Documentation
SIMATIC; PCS 7 process control system; PCS 7 - FOUNDATION Fieldbus
High availability solutions in PCS 7
4.3 Solutions for communication
High Availability Process Control Systems (V9.0)
92 Function Manual, 05/2017, A5E39221836-AA
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