Switch Controller (Scswi) - ABB REB670 Applications Manual

Section 12
Control
12.3.1.2
328
IEC13000016 V2 EN
Figure 123: APC - Local remote function block

Switch controller (SCSWI)

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 synchronism check/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).
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IEC13000016-2-en.vsd
Application manual