Merging Unit
Bay level IED
XCBR
XCBR
XCBR
SCSWI
IEC 61850 on
station bus
QCBAY
SCILO
SCSWI
GOOSEXLNRCV
SCILO
XLNPROXY
GOOSEXLNRCV XLNPROXY
-QA1
-QB1
-QB9
GOOSE over process bus
IEC17000062=1=en=Original.vsdx
IEC17000062 V1 EN-US
Figure 109: 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.
1MRK 505 393-UEN B Section 12
Control
Line differential protection RED650 2.2 IEC 255
Application manual
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