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F
Fieldbus
™
OUNDATION
December 2022
Figure 8-23: Function Block Diagram for Cascade Control with Override
A. Master controller
B. PID function block
C. Out
D. In
E. AO function block
F. Control selector function block
G. AI function block
H. Slave controller
8.9.11
Troubleshooting
Refer to
Table 8-27: Troubleshooting
Symptom
Mode will not leave OOS.
190
Table 8-27
to troubleshoot any problems that you may encounter.
Possible causes
1. Target mode not set.
00809-0500-4880
Corrective action
1. Set target mode to something
other than OOS.
Emerson.com/Rosemount
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