ABB RELION RET670 - Page 707

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 315: Signal flow between apparatus control functions with XCBR and XSWI
located in a breaker IED
1MRK 504 163-UUS A Section 15
Control
Transformer protection RET670 2.2 ANSI 701
Application manual