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IEC09000668-1-en.vsd
IEC09000668 V1 EN
Figure 4. Select before operation with
confirmation of command
IEC09000669-2-en.vsd
Cancel
Ok
IEC09000669 V2 EN
Figure 5. Overriding of synchrocheck
Bay control QCBAY
The Bay control QCBAY function is used
together with Local remote and local remote
control functions is used to handle the
selection of the operator place per bay.
QCBAY also provides blocking functions that
can be distributed to different apparatuses
within the bay.
Local remote LOCREM /Local
remote control LOCREMCTRL
The signals from the local HMI or from an
external local/remote switch are applied via
the function blocks LOCREM and
LOCREMCTRL to the Bay control (QCBAY)
function block. A parameter in function block
LOCREM is set to choose if the switch signals
are coming from the local HMI or from an
external hardware switch connected via
binary inputs.
Interlocking
The interlocking functionality blocks the
possibility to operate high-voltage switching
devices, for instance when a disconnector is
under load, in order to prevent material
damage and/or accidental human injury.
Each control IED has interlocking functions
for different switchyard arrangements, each
handling the interlocking of one bay. The
interlocking functionality in each IED is not
dependent on any central function. For the
station-wide interlocking, the IEDs
communicate via the station bus or by using
hard wired binary inputs/outputs.
The interlocking conditions depend on the
circuit configuration and status of the system
at any given time.
Logic rotating switch for function
selection and LHMI presentation
SLGGIO
The logic rotating switch for function
selection and LHMI presentation function
(SLGGIO) (or the selector switch function
block) is used to get a selector switch
functionality similar to the one provided by a
hardware selector switch. Hardware selector
switches are used extensively by utilities, in
order to have different functions operating on
pre-set values. Hardware switches are
however sources for maintenance issues,
lower system reliability and an extended
purchase portfolio. The logic selector
switches eliminate all these problems.
Selector mini switch VSGGIO
The Selector mini switch VSGGIO function
block is a multipurpose function used for a
variety of applications, as a general purpose
switch.
VSGGIO can be controlled from the menu or
from a symbol on the single line diagram
(SLD) on the local HMI.
Bay control REC650
1MRK 511 249-BEN -
Product version: 1.1
Issued: February 2011
ABB
19
Summary of Contents for REC650 ANSI
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