Reference
For more detailed information about the configuration variants with Compact FF Link, refer to
the following documents:
● Operating Instructions
Active field distributors
● Function Manual
PCS 7 Process Control System, Fault-Tolerant Process Control
Systems (V8.1 SP1), section "Redundant PROFIBUS PA".
The statements in these documents apply accordingly, with the following exceptions:
Special features of the Compact FF Link
Number of FF segments per bus link
1
Diagnostics function
Yes
Power Conditioner redundancy
Available with ring or coupler redundancy
Intrinsically safe operation of field devices
Only with corresponding field distributor, see sec‐
tion "Active field distributor for connecting FF seg‐
Support of Ex [i] coupler
No
Application planning
4.3 Configuration variants of the Compact FF Link
Compact FF Link
20
Operating Instructions, 03/2015, A5E35651552-AA