AddFEM
Mode of Operation
3-3
AddFEM
C79000–G8076–C900–03
LINK–UP
PASSIVE
M/R state at module redundancy: Module is the RESERVE. It receives
the start–up update from the MASTER module via the optical–fiber cou-
pling.
LINK–UP
ACTIVE
M/R state at module redundancy: Module is the MASTER. It sends the
start–up update to the RESERVE module via the optical–fiber coupling.
RUN PASSIVE
Output disable, FEF (preprocessing function) is executed.
M/R state at module redundancy: Module is the RESERVE. It receives
the update data from the MASTER module via the optical–fiber cou-
pling.
RUN ACTIVE
Outputs are active, FEF (preprocessing function) is executed.
M/R state at module redundancy: Module is the MASTER. It sends the
update data to the RESERVE module via the optical–fiber coupling.
STOP
The STOP operating state can only be set via the key–operated switch.
The output disable is activated.
M/R state at module redundancy: The module becomes the RESERVE
(forced reserve). The partner module becomes the MASTER (master
transfer).
In STOP state the operating switch can be used to set the bus address
and reset the AddFEM.
FAULT
Internal error
No regular operation possible.
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