IEC13000016-2-en.vsd
IEC13000016 V2 EN-US
Figure 140: APC - Local remote function block
12.3.3
Switch controller SCSWI
M16596-3 v6
SCSWI may handle and operate on one three-phase device or three one-phase switching
devices.
After the selection of an apparatus and before the execution, the switch controller performs
the following checks and actions:
•
A request initiates to reserve other bays to prevent simultaneous operation.
•
Actual position inputs for interlocking information are read and evaluated if the operation
is permitted.
•
The synchrocheck/synchronizing conditions are read and checked, and performs
operation upon positive response.
•
The blocking conditions are evaluated
•
The position indications are evaluated according to given command and its requested
direction (open or closed).
The command sequence is supervised regarding the time between:
•
Select and execute.
•
Select and until the reservation is granted.
•
Execute and the final end position of the apparatus.
•
Execute and valid close conditions from the synchrocheck.
At error the command sequence is cancelled.
1MRK 505 370-UEN D
Section 12
Control
Busbar protection REB670
289
Application manual
Summary of Contents for REB670 Series
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