Function Range or value Accuracy
Time delay for alarms from power supervision (1–6000) s ±0.2% or ±600 ms
whichever is greater
Tap position for lowest and highest voltage (1–63) -
mA for lowest and highest voltage tap
position
(0.000–25.000) mA -
Type of code conversion BIN, BCD, GRAY, SINGLE, mA -
Time after position change before the value is
accepted
(1–60) s ±0.2% or ±200 ms
whichever is greater
Tap changer constant time-out (1–120) s ±0.2% or ±200 ms
whichever is greater
Raise/lower command output pulse duration (0.5–10.0) s ±0.2% or ±200 ms
whichever is greater
14.5 Logic rotating switch for function selection and LHMI
presentation SLGAPC
SEMOD114936-1 v4
14.5.1 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 - -
14.5.2 Functionality
SEMOD114908-4 v9
The logic rotating switch for function selection and LHMI presentation SLGAPC (or the selector
switch function block) is used to get an enhanced selector switch functionality compared 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 selector switch function eliminates all these problems.
Section 14 1MRK 502 066-UUS B
Control
906
Technical manual
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