Process Station ABB FieldController 800
47
7.6 States of the active FieldController (Primary)
The following redundancy states are displayed for the redundant resource reported on the re-
source (project tree).
not redundant The operating system is loaded but the user program is not yet completely
loaded.
no Secondary Operating system and user programs are completely loaded. The Secon-
dary has not yet logged on at the Primary.
not sync The Secondary FieldController is present, the operating system and the
user programs have been loaded but the process statuses have not yet
been adjusted and the synchronization is therefore not yet concluded.
sync Normal status of the redundant FieldController. The Secondary is synchro-
nized and ready for a redundancy toggle. The cyclic data adjustment be-
tween the two FieldControllers runs during the program processing.
redundancy error Redundancy not possible..
The FieldController cannot achieve “sync” status. By restopping and then restarting the re-
source, it was again attempted to reach “sync” status. The reason may be that it was not
possible to complete the loading of the user programs successfully.
The system loading is too high, the redundancy link cannot be maintained. The task cycle
times have been configured too short.
The volume of redundancy data to be transmitted for a task is too large. The system vari-
able xxxx.RedBufLow indicates the remaining memory location for the redundancy data
with 0. The user programs have been distributed to too many tasks.
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