ABB RET670 Applications Manual page 611

1MRK504116-UUS C
Application manual
QCBAY
SCILO
SCILO
ANSI05000116 V1 EN
Figure 233: Signal flow between apparatus control function blocks
The IEC 61850 communication has always priority over binary inputs,
e.g. a block command on binary inputs will not prevent commands over
IEC 61850.
Switch controller (SCSWI)
SCSWI may handle and operate on one three-phase device or three one-phase
switching devices.
After the selection of an apparatus and before the execution, the switch controller
performs the following checks and actions:
IEC 61850
SCSWI SXCBR
SXCBR
SXCBR
SCSWI SXSWI
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