![background image](http://html1.mh-extra.com/html/abb/rec650-ansi/rec650-ansi_applications-manual_3390438269.webp)
•
BC_12_CL = 0
•
VP_BC_12 = 1
If there is no second busbar B at the other side of the transformer and therefore no 489
disconnector, then the state for 489 is set to open by setting the appropriate module inputs
as follows:
•
489_OP = 1
•
489_CL = 0
10.5
Logic rotating switch for function selection and LHMI
presentation SLGGIO
10.5.1
Identification
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Logic rotating switch for function
selection and LHMI presentation
SLGGIO
-
-
10.5.2
Application
The logic rotating switch for function selection and LHMI presentation function
(SLGGIO) (or the selector switch function block, as it is also known) is used to get a
selector switch functionality similar with the one provided by a hardware multi-position
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 extended purchase portfolio.
The virtual selector switches eliminate all these problems.
SLGGIO function block has two operating inputs (UP and DOWN), one blocking input
(BLOCK) and one operator position input (PSTO).
SLGGIO can be activated both from the local HMI and from external sources (switches),
via the IED binary inputs. It also allows the operation from remote (like the station
computer). SWPOSN is an integer value output, giving the actual output number. Since
the number of positions of the switch can be established by settings (see below), one must
be careful in coordinating the settings with the configuration (if one sets the number of
positions to x in settings – for example, there will be only the first x outputs available from
the block in the configuration). Also the frequency of the (UP or DOWN) pulses should
be lower than the setting
tPulse
.
1MRK 511 286-UUS A
Section 10
Control
263
Application manual
Содержание REC650 ANSI
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