Functionality - ABB REG650 Technical Manual

Generator protection
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Section 12
Control
12.3.2
12.3.3
12.3.4
342

Functionality

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.
Function block
SLGGIO
BLOCK
^P01
PSTO
^P02
UP
^P03
DOWN
^P04
^P05
^P06
^P07
^P08
^P09
^P10
^P11
^P12
^P13
^P14
^P15
^P16
^P17
^P18
^P19
^P20
^P21
^P22
^P23
^P24
^P25
^P26
^P27
^P28
^P29
^P30
^P31
^P32
SWPOSN
IEC09000091_1_en.vsd
IEC09000091 V1 EN
Figure 158:
SLGGIO function block
Signals
Table 206:
SLGGIO Input signals
Name
Type
BLOCK
BOOLEAN
PSTO
INTEGER
UP
BOOLEAN
DOWN
BOOLEAN
Default
Description
0
Block of function
0
Operator place selection
0
Binary "UP" command
0
Binary "DOWN" command
1MRK 502 043-UUS B
Technical Manual

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