Merging Unit
Bay level IED
XCBR
XCBR
XCBR
SCSWI
IEC 61850 on
station bus
XSWI
QCBAY
SCILO
SCSWI
GOOSEXLNRCV
SCILO
XLNPROXY
GOOSEXLNRCV XLNPROXY
-QA1
-QB1
-QB9
GOOSE over process bus
IEC16000070-1-EN.vsdx
IEC16000070 V1 EN-US
Figure 139: Signal flow between apparatus control functions with XCBR and XSWI located
in a breaker IED
Control operation can be performed from the local IED HMI. If users are defined in the IED,
then the local/remote switch is under authority control, otherwise the default user can
perform control operations from the local IED HMI without logging in. The default position of
the local/remote switch is on remote.
Accepted originator categories for PSTO
If the requested command is accepted by the authority control, the value will change.
Otherwise the attribute
blocked-by-switching-hierarchy
is set in the
cause
signal. If the PSTO
value is changed during a command, then the command is aborted.
1MRK 505 370-UEN D Section 12
Control
Busbar protection REB670 287
Application manual
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