tool PCM600. The inputs Qx_EXy on the interlocking modules are used to add these
specific conditions.
The input signals EXDU_xx shall be set to true if there is no transmission error at the
transfer of information from other bays. Required signals with designations ending in
TR are intended for transfer to other bays.
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 Functionality
The logic rotating switch for function selection and LHMI presentation SLGGIO (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 logic selector
switches eliminate all these problems.
Section 10 1MRK 511 287-UEN A
Control
322
Technical manual
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