ANSI09000668 V1 EN
Figure 4. Select before operation with confirmation of
command
Cancel
Ok
ANSI09000669-1-en.vsd
ANSI09000669 V1 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 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 primary
bus configuration and status of any breaker or
switch at any given time.
Logic rotating switch for function selection and
LHMI presentation SLGGIO
The logic rotating switch for function selection and
LHMI presentation (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.
Bay control REC650 ANSI
1MRK 511 265-BUS B
Product version: 1.2
20 ABB
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