If there is no voltage supervision, then set the corresponding inputs as follows:
•
VOLT_OFF = 1
•
VOLT_ON = 0
12.5
Logic rotating switch for function selection and LHMI
presentation SLGAPC
SEMOD114936-1 v5
12.5.1
Identification
SEMOD167845-2 v3
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Logic rotating switch for function
selection and LHMI presentation
SLGAPC
-
-
12.5.2
Application
SEMOD114927-4 v7
The logic rotating switch for function selection and LHMI presentation function (SLGAPC) (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.
SLGAPC function block has two operating inputs (UP and DOWN), one blocking input (BLOCK)
and one operator position input (PSTO).
SLGAPC 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.
From the local HMI, the selector switch can be operated from Single-line diagram (SLD).
12.5.3
Setting guidelines
SEMOD115063-294 v7
The following settings are available for the Logic rotating switch for function selection and
LHMI presentation (SLGAPC) function:
Operation: Sets the operation of the function On or Off.
NrPos: Sets the number of positions in the switch (max. 32).
OutType: Steady or Pulsed.
tPulse: In case of a pulsed output, it gives the length of the pulse (in seconds).
Section 12
1MRK 505 370-UEN D
Control
330
Busbar protection REB670
Application manual
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