ABB Relion 670 Series Applications Manual page 322

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For IEC 61850-8-1 communication, the Bay Control function can be set to discriminate between

commands with orCat station and remote (2 and 3). The selection is then done through the IEC

61850-8-1 edition 2 command LocSta.

QCBAY also provides blocking functions that can be distributed to different apparatuses within

the bay. There are two different blocking alternatives:

Blocking of update of positions

Blocking of commands

IEC13000016 V2 EN-US

Figure 128: APC - Local remote function block

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:

1MRK 511 401-UUS F

IEC13000016-2-en.vsd

Bay control REC670

Application manual